/brz/remove-bazaar : contents of breezy/tests/test_groupcompress.py at revision 7459.2.2

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5557.1.7 by John Arbash Meinel Merge in the bzr.dev 5582	1	# Copyright (C) 2008-2011 Canonical Ltd
3735.31.2 by John Arbash Meinel Cleanup trailing whitespace, get test_source to pass by removing asserts.	2	#
0.17.1 by Robert Collins Starting point. Interface tests hooked up and failing.	3	# This program is free software; you can redistribute it and/or modify
3735.31.2 by John Arbash Meinel Cleanup trailing whitespace, get test_source to pass by removing asserts.	4	# it under the terms of the GNU General Public License as published by
	5	# the Free Software Foundation; either version 2 of the License, or
	6	# (at your option) any later version.
	7	#
0.17.1 by Robert Collins Starting point. Interface tests hooked up and failing.	8	# This program is distributed in the hope that it will be useful,
	9	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	# GNU General Public License for more details.
3735.31.2 by John Arbash Meinel Cleanup trailing whitespace, get test_source to pass by removing asserts.	12	#
0.17.1 by Robert Collins Starting point. Interface tests hooked up and failing.	13	# You should have received a copy of the GNU General Public License
	14	# along with this program; if not, write to the Free Software
3735.36.3 by John Arbash Meinel Add the new address for FSF to the new files.	15	# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
0.17.1 by Robert Collins Starting point. Interface tests hooked up and failing.	16
	17	"""Tests for group compression."""
	18
	19	import zlib
	20
6624 by Jelmer Vernooĳ Merge Python3 porting work ('py3 pokes')	21	from .. import (
5755.2.4 by John Arbash Meinel Expose the max_entries_per_source into GroupCompressVersionedFiles	22	config,
3735.32.8 by John Arbash Meinel Some tests for the LazyGroupCompressFactory	23	errors,
3735.32.7 by John Arbash Meinel Implement partial decompression support.	24	osutils,
3735.31.1 by John Arbash Meinel Bring the groupcompress plugin into the brisbane-core branch.	25	tests,
4465.2.3 by Aaron Bentley Update to change redundant inserts into a warning.	26	trace,
6670.4.1 by Jelmer Vernooij Update imports.	27	)
	28	from ..bzr import (
	29	btree_index,
	30	groupcompress,
6744 by Jelmer Vernooĳ Merge lp:~jelmer/brz/move-errors-knit.	31	knit,
6670.4.1 by Jelmer Vernooij Update imports.	32	index as _mod_index,
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	33	versionedfile,
3735.31.1 by John Arbash Meinel Bring the groupcompress plugin into the brisbane-core branch.	34	)
6624 by Jelmer Vernooĳ Merge Python3 porting work ('py3 pokes')	35	from ..osutils import sha_string
	36	from .test__groupcompress import compiled_groupcompress_feature
	37	from .scenarios import load_tests_apply_scenarios
5559.2.2 by Martin Pool Change to using standard load_tests_apply_scenarios.	38
	39
	40	def group_compress_implementation_scenarios():
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	41	scenarios = [
	42	('python', {'compressor': groupcompress.PythonGroupCompressor}),
	43	]
4913.2.24 by John Arbash Meinel Track down a few more import typos.	44	if compiled_groupcompress_feature.available():
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	45	scenarios.append(('C',
7143.15.2 by Jelmer Vernooĳ Run autopep8.	46	{'compressor': groupcompress.PyrexGroupCompressor}))
5559.2.2 by Martin Pool Change to using standard load_tests_apply_scenarios.	47	return scenarios
	48
	49
	50	load_tests = load_tests_apply_scenarios
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	51
	52
0.25.2 by John Arbash Meinel First cut at meta-info as text form.	53	class TestGroupCompressor(tests.TestCase):
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	54
	55	def _chunks_to_repr_lines(self, chunks):
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	56	return '\n'.join(map(repr, b''.join(chunks).split(b'\n')))
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	57
	58	def assertEqualDiffEncoded(self, expected, actual):
	59	"""Compare the actual content to the expected content.
	60
	61	:param expected: A group of chunks that we expect to see
	62	:param actual: The measured 'chunks'
	63
	64	We will transform the chunks back into lines, and then run 'repr()'
	65	over them to handle non-ascii characters.
	66	"""
	67	self.assertEqualDiff(self._chunks_to_repr_lines(expected),
	68	self._chunks_to_repr_lines(actual))
	69
	70
	71	class TestAllGroupCompressors(TestGroupCompressor):
0.17.2 by Robert Collins Core proof of concept working.	72	"""Tests for GroupCompressor"""
0.17.2 by Robert Collins Core proof of concept working.	73
5559.2.2 by Martin Pool Change to using standard load_tests_apply_scenarios.	74	scenarios = group_compress_implementation_scenarios()
7143.15.2 by Jelmer Vernooĳ Run autopep8.	75	compressor = None # Set by scenario
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	76
0.17.2 by Robert Collins Core proof of concept working.	77	def test_empty_delta(self):
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	78	compressor = self.compressor()
3735.40.17 by John Arbash Meinel Change the attribute from 'lines' to 'chunks' to make it more	79	self.assertEqual([], compressor.chunks)
0.17.2 by Robert Collins Core proof of concept working.	80
	81	def test_one_nosha_delta(self):
	82	# diff against NUKK
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	83	compressor = self.compressor()
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	84	sha1, start_point, end_point, _ = compressor.compress(
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	85	('label',), [b'strange\ncommon\n'], None)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	86	self.assertEqual(sha_string(b'strange\ncommon\n'), sha1)
	87	expected_lines = b'f\x0fstrange\ncommon\n'
	88	self.assertEqual(expected_lines, b''.join(compressor.chunks))
3735.2.162 by John Arbash Meinel Change GroupCompressor.compress() to return the start_point.	89	self.assertEqual(0, start_point)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	90	self.assertEqual(len(expected_lines), end_point)
0.17.2 by Robert Collins Core proof of concept working.	91
3735.2.162 by John Arbash Meinel Change GroupCompressor.compress() to return the start_point.	92	def test_empty_content(self):
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	93	compressor = self.compressor()
3735.2.162 by John Arbash Meinel Change GroupCompressor.compress() to return the start_point.	94	# Adding empty bytes should return the 'null' record
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	95	sha1, start_point, end_point, kind = compressor.compress(
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	96	('empty',), [], None)
3735.2.162 by John Arbash Meinel Change GroupCompressor.compress() to return the start_point.	97	self.assertEqual(0, start_point)
	98	self.assertEqual(0, end_point)
	99	self.assertEqual('fulltext', kind)
	100	self.assertEqual(groupcompress._null_sha1, sha1)
	101	self.assertEqual(0, compressor.endpoint)
3735.40.17 by John Arbash Meinel Change the attribute from 'lines' to 'chunks' to make it more	102	self.assertEqual([], compressor.chunks)
3735.2.162 by John Arbash Meinel Change GroupCompressor.compress() to return the start_point.	103	# Even after adding some content
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	104	compressor.compress(
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	105	('content',), [b'some\nbytes\n'], None)
3735.2.162 by John Arbash Meinel Change GroupCompressor.compress() to return the start_point.	106	self.assertTrue(compressor.endpoint > 0)
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	107	sha1, start_point, end_point, kind = compressor.compress(
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	108	('empty2',), [], None)
3735.2.162 by John Arbash Meinel Change GroupCompressor.compress() to return the start_point.	109	self.assertEqual(0, start_point)
	110	self.assertEqual(0, end_point)
	111	self.assertEqual('fulltext', kind)
	112	self.assertEqual(groupcompress._null_sha1, sha1)
	113
0.17.11 by Robert Collins Add extraction of just-compressed texts to support converting from knits.	114	def test_extract_from_compressor(self):
	115	# Knit fetching will try to reconstruct texts locally which results in
	116	# reading something that is in the compressor stream already.
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	117	compressor = self.compressor()
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	118	sha1_1, _, _, _ = compressor.compress(
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	119	('label',), [b'strange\ncommon long line\nthat needs a 16 byte match\n'], None)
3735.40.17 by John Arbash Meinel Change the attribute from 'lines' to 'chunks' to make it more	120	expected_lines = list(compressor.chunks)
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	121	sha1_2, _, end_point, _ = compressor.compress(
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	122	('newlabel',), [b'common long line\nthat needs a 16 byte match\ndifferent\n'], None)
0.17.11 by Robert Collins Add extraction of just-compressed texts to support converting from knits.	123	# get the first out
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	124	self.assertEqual((b'strange\ncommon long line\n'
	125	b'that needs a 16 byte match\n', sha1_1),
4241.6.6 by Robert Collins, John Arbash Meinel, Ian Clathworthy, Vincent Ladeuil Groupcompress from brisbane-core.	126	compressor.extract(('label',)))
0.17.11 by Robert Collins Add extraction of just-compressed texts to support converting from knits.	127	# and the second
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	128	self.assertEqual((b'common long line\nthat needs a 16 byte match\n'
	129	b'different\n', sha1_2),
0.25.6 by John Arbash Meinel (tests broken) implement the basic ability to have a separate header	130	compressor.extract(('newlabel',)))
0.25.2 by John Arbash Meinel First cut at meta-info as text form.	131
4241.17.2 by John Arbash Meinel PythonGroupCompressor needs to support pop_last() properly.	132	def test_pop_last(self):
	133	compressor = self.compressor()
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	134	_, _, _, _ = compressor.compress(
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	135	('key1',), [b'some text\nfor the first entry\n'], None)
4241.17.2 by John Arbash Meinel PythonGroupCompressor needs to support pop_last() properly.	136	expected_lines = list(compressor.chunks)
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	137	_, _, _, _ = compressor.compress(
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	138	('key2',), [b'some text\nfor the second entry\n'], None)
4241.17.2 by John Arbash Meinel PythonGroupCompressor needs to support pop_last() properly.	139	compressor.pop_last()
	140	self.assertEqual(expected_lines, compressor.chunks)
	141
0.25.2 by John Arbash Meinel First cut at meta-info as text form.	142
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	143	class TestPyrexGroupCompressor(TestGroupCompressor):
	144
4913.2.24 by John Arbash Meinel Track down a few more import typos.	145	_test_needs_features = [compiled_groupcompress_feature]
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	146	compressor = groupcompress.PyrexGroupCompressor
	147
	148	def test_stats(self):
	149	compressor = self.compressor()
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	150	compressor.compress(
	151	('label',), [b'strange\n',
	152	b'common very very long line\n',
	153	b'plus more text\n'], None)
	154	compressor.compress(
	155	('newlabel',),
	156	[b'common very very long line\n',
	157	b'plus more text\n',
	158	b'different\n',
	159	b'moredifferent\n'], None)
	160	compressor.compress(
	161	('label3',),
	162	[b'new\n',
	163	b'common very very long line\n',
	164	b'plus more text\n',
	165	b'different\n',
	166	b'moredifferent\n'], None)
3735.40.7 by John Arbash Meinel Move even more functionality into EquivalenceTable.	167	self.assertAlmostEqual(1.9, compressor.ratio(), 1)
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	168
	169	def test_two_nosha_delta(self):
	170	compressor = self.compressor()
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	171	sha1_1, _, _, _ = compressor.compress(
	172	('label',),
	173	[b'strange\ncommon long line\nthat needs a 16 byte match\n'], None)
3735.40.17 by John Arbash Meinel Change the attribute from 'lines' to 'chunks' to make it more	174	expected_lines = list(compressor.chunks)
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	175	sha1_2, start_point, end_point, _ = compressor.compress(
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	176	('newlabel',), [b'common long line\nthat needs a 16 byte match\ndifferent\n'], None)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	177	self.assertEqual(sha_string(b'common long line\n'
	178	b'that needs a 16 byte match\n'
	179	b'different\n'), sha1_2)
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	180	expected_lines.extend([
	181	# 'delta', delta length
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	182	b'd\x0f',
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	183	# source and target length
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	184	b'\x36',
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	185	# copy the line common
7143.15.2 by Jelmer Vernooĳ Run autopep8.	186	b'\x91\x0a\x2c', # copy, offset 0x0a, len 0x2c
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	187	# add the line different, and the trailing newline
7143.15.2 by Jelmer Vernooĳ Run autopep8.	188	b'\x0adifferent\n', # insert 10 bytes
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	189	])
3735.40.17 by John Arbash Meinel Change the attribute from 'lines' to 'chunks' to make it more	190	self.assertEqualDiffEncoded(expected_lines, compressor.chunks)
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	191	self.assertEqual(sum(map(len, expected_lines)), end_point)
	192
	193	def test_three_nosha_delta(self):
	194	# The first interesting test: make a change that should use lines from
	195	# both parents.
	196	compressor = self.compressor()
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	197	sha1_1, _, _, _ = compressor.compress(
	198	('label',), [b'strange\ncommon very very long line\nwith some extra text\n'], None)
	199	sha1_2, _, _, _ = compressor.compress(
	200	('newlabel',), [b'different\nmoredifferent\nand then some more\n'], None)
3735.40.17 by John Arbash Meinel Change the attribute from 'lines' to 'chunks' to make it more	201	expected_lines = list(compressor.chunks)
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	202	sha1_3, start_point, end_point, _ = compressor.compress(
	203	('label3',), [b'new\ncommon very very long line\nwith some extra text\n',
	204	b'different\nmoredifferent\nand then some more\n'], None)
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	205	self.assertEqual(
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	206	sha_string(b'new\ncommon very very long line\nwith some extra text\n'
	207	b'different\nmoredifferent\nand then some more\n'),
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	208	sha1_3)
	209	expected_lines.extend([
	210	# 'delta', delta length
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	211	b'd\x0b',
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	212	# source and target length
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	213	b'\x5f'
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	214	# insert new
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	215	b'\x03new',
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	216	# Copy of first parent 'common' range
7143.15.2 by Jelmer Vernooĳ Run autopep8.	217	b'\x91\x09\x31' # copy, offset 0x09, 0x31 bytes
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	218	# Copy of second parent 'different' range
7143.15.2 by Jelmer Vernooĳ Run autopep8.	219	b'\x91\x3c\x2b' # copy, offset 0x3c, 0x2b bytes
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	220	])
3735.40.17 by John Arbash Meinel Change the attribute from 'lines' to 'chunks' to make it more	221	self.assertEqualDiffEncoded(expected_lines, compressor.chunks)
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	222	self.assertEqual(sum(map(len, expected_lines)), end_point)
	223
	224
	225	class TestPythonGroupCompressor(TestGroupCompressor):
	226
	227	compressor = groupcompress.PythonGroupCompressor
	228
	229	def test_stats(self):
	230	compressor = self.compressor()
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	231	compressor.compress(
	232	('label',), [b'strange\n',
	233	b'common very very long line\n',
	234	b'plus more text\n'], None)
	235	compressor.compress(
	236	('newlabel',), [
	237	b'common very very long line\n',
	238	b'plus more text\n',
	239	b'different\n',
	240	b'moredifferent\n'], None)
	241	compressor.compress(
	242	('label3',), [
	243	b'new\n',
	244	b'common very very long line\n',
	245	b'plus more text\n',
	246	b'different\n',
	247	b'moredifferent\n'], None)
3735.40.7 by John Arbash Meinel Move even more functionality into EquivalenceTable.	248	self.assertAlmostEqual(1.9, compressor.ratio(), 1)
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	249
	250	def test_two_nosha_delta(self):
	251	compressor = self.compressor()
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	252	sha1_1, _, _, _ = compressor.compress(
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	253	('label',), [b'strange\ncommon long line\nthat needs a 16 byte match\n'], None)
3735.40.17 by John Arbash Meinel Change the attribute from 'lines' to 'chunks' to make it more	254	expected_lines = list(compressor.chunks)
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	255	sha1_2, start_point, end_point, _ = compressor.compress(
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	256	('newlabel',), [b'common long line\nthat needs a 16 byte match\ndifferent\n'], None)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	257	self.assertEqual(sha_string(b'common long line\n'
	258	b'that needs a 16 byte match\n'
	259	b'different\n'), sha1_2)
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	260	expected_lines.extend([
	261	# 'delta', delta length
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	262	b'd\x0f',
3735.40.10 by John Arbash Meinel Merge in the new delta format code.	263	# target length
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	264	b'\x36',
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	265	# copy the line common
7143.15.2 by Jelmer Vernooĳ Run autopep8.	266	b'\x91\x0a\x2c', # copy, offset 0x0a, len 0x2c
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	267	# add the line different, and the trailing newline
7143.15.2 by Jelmer Vernooĳ Run autopep8.	268	b'\x0adifferent\n', # insert 10 bytes
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	269	])
3735.40.17 by John Arbash Meinel Change the attribute from 'lines' to 'chunks' to make it more	270	self.assertEqualDiffEncoded(expected_lines, compressor.chunks)
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	271	self.assertEqual(sum(map(len, expected_lines)), end_point)
	272
	273	def test_three_nosha_delta(self):
	274	# The first interesting test: make a change that should use lines from
	275	# both parents.
	276	compressor = self.compressor()
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	277	sha1_1, _, _, _ = compressor.compress(
	278	('label',), [b'strange\ncommon very very long line\nwith some extra text\n'], None)
	279	sha1_2, _, _, _ = compressor.compress(
	280	('newlabel',), [b'different\nmoredifferent\nand then some more\n'], None)
3735.40.17 by John Arbash Meinel Change the attribute from 'lines' to 'chunks' to make it more	281	expected_lines = list(compressor.chunks)
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	282	sha1_3, start_point, end_point, _ = compressor.compress(
	283	('label3',), [b'new\ncommon very very long line\nwith some extra text\n',
	284	b'different\nmoredifferent\nand then some more\n'], None)
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	285	self.assertEqual(
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	286	sha_string(b'new\ncommon very very long line\nwith some extra text\n'
	287	b'different\nmoredifferent\nand then some more\n'),
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	288	sha1_3)
	289	expected_lines.extend([
	290	# 'delta', delta length
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	291	b'd\x0c',
3735.40.10 by John Arbash Meinel Merge in the new delta format code.	292	# target length
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	293	b'\x5f'
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	294	# insert new
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	295	b'\x04new\n',
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	296	# Copy of first parent 'common' range
7143.15.2 by Jelmer Vernooĳ Run autopep8.	297	b'\x91\x0a\x30' # copy, offset 0x0a, 0x30 bytes
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	298	# Copy of second parent 'different' range
7143.15.2 by Jelmer Vernooĳ Run autopep8.	299	b'\x91\x3c\x2b' # copy, offset 0x3c, 0x2b bytes
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	300	])
3735.40.17 by John Arbash Meinel Change the attribute from 'lines' to 'chunks' to make it more	301	self.assertEqualDiffEncoded(expected_lines, compressor.chunks)
3735.40.4 by John Arbash Meinel Factor out tests that rely on the exact bytecode.	302	self.assertEqual(sum(map(len, expected_lines)), end_point)
	303
	304
0.25.2 by John Arbash Meinel First cut at meta-info as text form.	305	class TestGroupCompressBlock(tests.TestCase):
	306
3735.32.15 by John Arbash Meinel Change the GroupCompressBlock code to allow not recording 'end'.	307	def make_block(self, key_to_text):
	308	"""Create a GroupCompressBlock, filling it with the given texts."""
	309	compressor = groupcompress.GroupCompressor()
	310	start = 0
	311	for key in sorted(key_to_text):
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	312	compressor.compress(key, [key_to_text[key]], None)
3735.40.18 by John Arbash Meinel Get rid of the entries dict in GroupCompressBlock.	313	locs = dict((key, (start, end)) for key, (start, _, end, _)
6656.1.1 by Martin Apply 2to3 dict fixer and clean up resulting mess using view helpers	314	in compressor.labels_deltas.items())
3735.32.23 by John Arbash Meinel Add a _LazyGroupContentManager._check_rebuild_block	315	block = compressor.flush()
3735.40.18 by John Arbash Meinel Get rid of the entries dict in GroupCompressBlock.	316	raw_bytes = block.to_bytes()
3735.32.23 by John Arbash Meinel Add a _LazyGroupContentManager._check_rebuild_block	317	# Go through from_bytes(to_bytes()) so that we start with a compressed
	318	# content object
3735.40.18 by John Arbash Meinel Get rid of the entries dict in GroupCompressBlock.	319	return locs, groupcompress.GroupCompressBlock.from_bytes(raw_bytes)
3735.32.15 by John Arbash Meinel Change the GroupCompressBlock code to allow not recording 'end'.	320
0.25.2 by John Arbash Meinel First cut at meta-info as text form.	321	def test_from_empty_bytes(self):
3735.31.1 by John Arbash Meinel Bring the groupcompress plugin into the brisbane-core branch.	322	self.assertRaises(ValueError,
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	323	groupcompress.GroupCompressBlock.from_bytes, b'')
0.25.2 by John Arbash Meinel First cut at meta-info as text form.	324
0.25.4 by John Arbash Meinel We at least have the rudimentary ability to encode and decode values.	325	def test_from_minimal_bytes(self):
3735.32.4 by John Arbash Meinel Change the byte representation of a groupcompress block.	326	block = groupcompress.GroupCompressBlock.from_bytes(
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	327	b'gcb1z\n0\n0\n')
0.25.4 by John Arbash Meinel We at least have the rudimentary ability to encode and decode values.	328	self.assertIsInstance(block, groupcompress.GroupCompressBlock)
3735.32.6 by John Arbash Meinel A bit of reworking changes things so content is expanded at extract() time.	329	self.assertIs(None, block._content)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	330	self.assertEqual(b'', block._z_content)
3735.32.6 by John Arbash Meinel A bit of reworking changes things so content is expanded at extract() time.	331	block._ensure_content()
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	332	self.assertEqual(b'', block._content)
	333	self.assertEqual(b'', block._z_content)
7143.15.2 by Jelmer Vernooĳ Run autopep8.	334	block._ensure_content() # Ensure content is safe to call 2x
0.25.4 by John Arbash Meinel We at least have the rudimentary ability to encode and decode values.	335
4241.6.6 by Robert Collins, John Arbash Meinel, Ian Clathworthy, Vincent Ladeuil Groupcompress from brisbane-core.	336	def test_from_invalid(self):
	337	self.assertRaises(ValueError,
	338	groupcompress.GroupCompressBlock.from_bytes,
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	339	b'this is not a valid header')
4241.6.6 by Robert Collins, John Arbash Meinel, Ian Clathworthy, Vincent Ladeuil Groupcompress from brisbane-core.	340
3735.38.4 by John Arbash Meinel Another disk format change.	341	def test_from_bytes(self):
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	342	content = (b'a tiny bit of content\n')
3735.32.4 by John Arbash Meinel Change the byte representation of a groupcompress block.	343	z_content = zlib.compress(content)
	344	z_bytes = (
7143.15.2 by Jelmer Vernooĳ Run autopep8.	345	b'gcb1z\n' # group compress block v1 plain
	346	b'%d\n' # Length of compressed content
	347	b'%d\n' # Length of uncompressed content
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	348	b'%s' # Compressed content
3735.38.4 by John Arbash Meinel Another disk format change.	349	) % (len(z_content), len(content), z_content)
0.25.6 by John Arbash Meinel (tests broken) implement the basic ability to have a separate header	350	block = groupcompress.GroupCompressBlock.from_bytes(
3735.32.4 by John Arbash Meinel Change the byte representation of a groupcompress block.	351	z_bytes)
3735.32.6 by John Arbash Meinel A bit of reworking changes things so content is expanded at extract() time.	352	self.assertEqual(z_content, block._z_content)
	353	self.assertIs(None, block._content)
3735.38.4 by John Arbash Meinel Another disk format change.	354	self.assertEqual(len(z_content), block._z_content_length)
3735.38.4 by John Arbash Meinel Another disk format change.	355	self.assertEqual(len(content), block._content_length)
3735.32.10 by John Arbash Meinel test that we support reading from the gc blocks that didn't have their lengths.	356	block._ensure_content()
3735.32.27 by John Arbash Meinel Have _LazyGroupContentManager pre-extract everything it holds.	357	self.assertEqual(z_content, block._z_content)
3735.32.10 by John Arbash Meinel test that we support reading from the gc blocks that didn't have their lengths.	358	self.assertEqual(content, block._content)
	359
5439.2.1 by John Arbash Meinel Change GroupCompressBlock to work in self._z_compress_chunks	360	def test_to_chunks(self):
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	361	content_chunks = [b'this is some content\n',
	362	b'this content will be compressed\n']
5439.2.1 by John Arbash Meinel Change GroupCompressBlock to work in self._z_compress_chunks	363	content_len = sum(map(len, content_chunks))
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	364	content = b''.join(content_chunks)
5439.2.1 by John Arbash Meinel Change GroupCompressBlock to work in self._z_compress_chunks	365	gcb = groupcompress.GroupCompressBlock()
	366	gcb.set_chunked_content(content_chunks, content_len)
	367	total_len, block_chunks = gcb.to_chunks()
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	368	block_bytes = b''.join(block_chunks)
5439.2.1 by John Arbash Meinel Change GroupCompressBlock to work in self._z_compress_chunks	369	self.assertEqual(gcb._z_content_length, len(gcb._z_content))
	370	self.assertEqual(total_len, len(block_bytes))
	371	self.assertEqual(gcb._content_length, content_len)
7143.15.2 by Jelmer Vernooĳ Run autopep8.	372	expected_header = (b'gcb1z\n' # group compress block v1 zlib
	373	b'%d\n' # Length of compressed content
	374	b'%d\n' # Length of uncompressed content
	375	) % (gcb._z_content_length, gcb._content_length)
5439.2.1 by John Arbash Meinel Change GroupCompressBlock to work in self._z_compress_chunks	376	# The first chunk should be the header chunk. It is small, fixed size,
	377	# and there is no compelling reason to split it up
	378	self.assertEqual(expected_header, block_chunks[0])
	379	self.assertStartsWith(block_bytes, expected_header)
	380	remaining_bytes = block_bytes[len(expected_header):]
	381	raw_bytes = zlib.decompress(remaining_bytes)
	382	self.assertEqual(content, raw_bytes)
	383
0.25.2 by John Arbash Meinel First cut at meta-info as text form.	384	def test_to_bytes(self):
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	385	content = (b'this is some content\n'
	386	b'this content will be compressed\n')
0.25.2 by John Arbash Meinel First cut at meta-info as text form.	387	gcb = groupcompress.GroupCompressBlock()
3735.38.4 by John Arbash Meinel Another disk format change.	388	gcb.set_content(content)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	389	data = gcb.to_bytes()
3735.38.4 by John Arbash Meinel Another disk format change.	390	self.assertEqual(gcb._z_content_length, len(gcb._z_content))
3735.38.4 by John Arbash Meinel Another disk format change.	391	self.assertEqual(gcb._content_length, len(content))
7143.15.2 by Jelmer Vernooĳ Run autopep8.	392	expected_header = (b'gcb1z\n' # group compress block v1 zlib
	393	b'%d\n' # Length of compressed content
	394	b'%d\n' # Length of uncompressed content
	395	) % (gcb._z_content_length, gcb._content_length)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	396	self.assertStartsWith(data, expected_header)
	397	remaining_bytes = data[len(expected_header):]
0.25.5 by John Arbash Meinel Now using a zlib compressed format.	398	raw_bytes = zlib.decompress(remaining_bytes)
3735.38.4 by John Arbash Meinel Another disk format change.	399	self.assertEqual(content, raw_bytes)
3735.32.3 by John Arbash Meinel Start doing some direct GCVF tests.	400
4469.1.1 by John Arbash Meinel Add a set_content_chunked member to GroupCompressBlock.	401	# we should get the same results if using the chunked version
	402	gcb = groupcompress.GroupCompressBlock()
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	403	gcb.set_chunked_content([b'this is some content\n'
	404	b'this content will be compressed\n'],
7143.15.2 by Jelmer Vernooĳ Run autopep8.	405	len(content))
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	406	old_data = data
	407	data = gcb.to_bytes()
	408	self.assertEqual(old_data, data)
4469.1.1 by John Arbash Meinel Add a set_content_chunked member to GroupCompressBlock.	409
3735.32.7 by John Arbash Meinel Implement partial decompression support.	410	def test_partial_decomp(self):
	411	content_chunks = []
	412	# We need a sufficient amount of data so that zlib.decompress has
	413	# partial decompression to work with. Most auto-generated data
	414	# compresses a bit too well, we want a combination, so we combine a sha
	415	# hash with compressible data.
6651.2.2 by Martin Apply 2to3 xrange fix and fix up with sixish range	416	for i in range(2048):
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	417	next_content = b'%d\nThis is a bit of duplicate text\n' % (i,)
3735.32.7 by John Arbash Meinel Implement partial decompression support.	418	content_chunks.append(next_content)
	419	next_sha1 = osutils.sha_string(next_content)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	420	content_chunks.append(next_sha1 + b'\n')
	421	content = b''.join(content_chunks)
3735.32.7 by John Arbash Meinel Implement partial decompression support.	422	self.assertEqual(158634, len(content))
	423	z_content = zlib.compress(content)
	424	self.assertEqual(57182, len(z_content))
	425	block = groupcompress.GroupCompressBlock()
5439.2.1 by John Arbash Meinel Change GroupCompressBlock to work in self._z_compress_chunks	426	block._z_content_chunks = (z_content,)
3735.32.7 by John Arbash Meinel Implement partial decompression support.	427	block._z_content_length = len(z_content)
3735.32.8 by John Arbash Meinel Some tests for the LazyGroupCompressFactory	428	block._compressor_name = 'zlib'
3735.32.7 by John Arbash Meinel Implement partial decompression support.	429	block._content_length = 158634
	430	self.assertIs(None, block._content)
	431	block._ensure_content(100)
	432	self.assertIsNot(None, block._content)
	433	# We have decompressed at least 100 bytes
	434	self.assertTrue(len(block._content) >= 100)
	435	# We have not decompressed the whole content
	436	self.assertTrue(len(block._content) < 158634)
	437	self.assertEqualDiff(content[:len(block._content)], block._content)
	438	# ensuring content that we already have shouldn't cause any more data
	439	# to be extracted
	440	cur_len = len(block._content)
	441	block._ensure_content(cur_len - 10)
	442	self.assertEqual(cur_len, len(block._content))
	443	# Now we want a bit more content
	444	cur_len += 10
	445	block._ensure_content(cur_len)
	446	self.assertTrue(len(block._content) >= cur_len)
	447	self.assertTrue(len(block._content) < 158634)
	448	self.assertEqualDiff(content[:len(block._content)], block._content)
	449	# And now lets finish
	450	block._ensure_content(158634)
	451	self.assertEqualDiff(content, block._content)
3735.32.8 by John Arbash Meinel Some tests for the LazyGroupCompressFactory	452	# And the decompressor is finalized
3735.32.7 by John Arbash Meinel Implement partial decompression support.	453	self.assertIs(None, block._z_content_decompressor)
	454
4744.2.3 by John Arbash Meinel change the GroupcompressBlock code a bit.	455	def test__ensure_all_content(self):
3735.32.11 by John Arbash Meinel Add tests for the ability to do partial decompression without knowing the final length.	456	content_chunks = []
4744.2.3 by John Arbash Meinel change the GroupcompressBlock code a bit.	457	# We need a sufficient amount of data so that zlib.decompress has
	458	# partial decompression to work with. Most auto-generated data
	459	# compresses a bit too well, we want a combination, so we combine a sha
	460	# hash with compressible data.
6651.2.2 by Martin Apply 2to3 xrange fix and fix up with sixish range	461	for i in range(2048):
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	462	next_content = b'%d\nThis is a bit of duplicate text\n' % (i,)
3735.32.11 by John Arbash Meinel Add tests for the ability to do partial decompression without knowing the final length.	463	content_chunks.append(next_content)
	464	next_sha1 = osutils.sha_string(next_content)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	465	content_chunks.append(next_sha1 + b'\n')
	466	content = b''.join(content_chunks)
3735.32.11 by John Arbash Meinel Add tests for the ability to do partial decompression without knowing the final length.	467	self.assertEqual(158634, len(content))
	468	z_content = zlib.compress(content)
	469	self.assertEqual(57182, len(z_content))
	470	block = groupcompress.GroupCompressBlock()
5439.2.1 by John Arbash Meinel Change GroupCompressBlock to work in self._z_compress_chunks	471	block._z_content_chunks = (z_content,)
3735.32.11 by John Arbash Meinel Add tests for the ability to do partial decompression without knowing the final length.	472	block._z_content_length = len(z_content)
	473	block._compressor_name = 'zlib'
4744.2.3 by John Arbash Meinel change the GroupcompressBlock code a bit.	474	block._content_length = 158634
3735.32.11 by John Arbash Meinel Add tests for the ability to do partial decompression without knowing the final length.	475	self.assertIs(None, block._content)
4744.2.3 by John Arbash Meinel change the GroupcompressBlock code a bit.	476	# The first _ensure_content got all of the required data
	477	block._ensure_content(158634)
3735.32.11 by John Arbash Meinel Add tests for the ability to do partial decompression without knowing the final length.	478	self.assertEqualDiff(content, block._content)
4744.2.3 by John Arbash Meinel change the GroupcompressBlock code a bit.	479	# And we should have released the _z_content_decompressor since it was
	480	# fully consumed
3735.32.11 by John Arbash Meinel Add tests for the ability to do partial decompression without knowing the final length.	481	self.assertIs(None, block._z_content_decompressor)
	482
4300.1.1 by John Arbash Meinel Add the ability to convert a gc block into 'human readable' form.	483	def test__dump(self):
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	484	dup_content = b'some duplicate content\nwhich is sufficiently long\n'
	485	key_to_text = {(b'1',): dup_content + b'1 unique\n',
	486	(b'2',): dup_content + b'2 extra special\n'}
4300.1.1 by John Arbash Meinel Add the ability to convert a gc block into 'human readable' form.	487	locs, block = self.make_block(key_to_text)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	488	self.assertEqual([(b'f', len(key_to_text[(b'1',)])),
	489	(b'd', 21, len(key_to_text[(b'2',)]),
	490	[(b'c', 2, len(dup_content)),
	491	(b'i', len(b'2 extra special\n'), b'')
7143.15.2 by Jelmer Vernooĳ Run autopep8.	492	]),
7143.15.2 by Jelmer Vernooĳ Run autopep8.	493	], block._dump())
4300.1.1 by John Arbash Meinel Add the ability to convert a gc block into 'human readable' form.	494
3735.32.3 by John Arbash Meinel Start doing some direct GCVF tests.	495
4744.2.5 by John Arbash Meinel Change to a generic 'VersionedFiles.clear_cache()' api.	496	class TestCaseWithGroupCompressVersionedFiles(
	497	tests.TestCaseWithMemoryTransport):
3735.32.3 by John Arbash Meinel Start doing some direct GCVF tests.	498
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	499	def make_test_vf(self, create_graph, keylength=1, do_cleanup=True,
4465.2.4 by Aaron Bentley Switch between warn and raise depending on inconsistent_fatal.	500	dir='.', inconsistency_fatal=True):
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	501	t = self.get_transport(dir)
	502	t.ensure_base()
3735.32.3 by John Arbash Meinel Start doing some direct GCVF tests.	503	vf = groupcompress.make_pack_factory(graph=create_graph,
7143.15.2 by Jelmer Vernooĳ Run autopep8.	504	delta=False, keylength=keylength,
7143.15.2 by Jelmer Vernooĳ Run autopep8.	505	inconsistency_fatal=inconsistency_fatal)(t)
3735.32.3 by John Arbash Meinel Start doing some direct GCVF tests.	506	if do_cleanup:
	507	self.addCleanup(groupcompress.cleanup_pack_group, vf)
	508	return vf
	509
3735.32.8 by John Arbash Meinel Some tests for the LazyGroupCompressFactory	510
	511	class TestGroupCompressVersionedFiles(TestCaseWithGroupCompressVersionedFiles):
	512
4343.3.20 by John Arbash Meinel Copy the track_external_parent_refs tests over to GCVF.	513	def make_g_index(self, name, ref_lists=0, nodes=[]):
	514	builder = btree_index.BTreeBuilder(ref_lists)
	515	for node, references, value in nodes:
	516	builder.add_node(node, references, value)
	517	stream = builder.finish()
	518	trans = self.get_transport()
	519	size = trans.put_file(name, stream)
	520	return btree_index.BTreeGraphIndex(trans, name, size)
	521
	522	def make_g_index_missing_parent(self):
7045.3.1 by Jelmer Vernooĳ Fix another ~500 tests.	523	graph_index = self.make_g_index('missing_parent', 1,
7143.15.2 by Jelmer Vernooĳ Run autopep8.	524	[((b'parent', ), b'2 78 2 10', ([],)),
	525	((b'tip', ), b'2 78 2 10',
	526	([(b'parent', ), (b'missing-parent', )],)),
	527	])
4343.3.20 by John Arbash Meinel Copy the track_external_parent_refs tests over to GCVF.	528	return graph_index
	529
3735.32.3 by John Arbash Meinel Start doing some direct GCVF tests.	530	def test_get_record_stream_as_requested(self):
	531	# Consider promoting 'as-requested' to general availability, and
	532	# make this a VF interface test
3735.32.21 by John Arbash Meinel We now have a 'reuse_blocks=False' flag for autopack et al.	533	vf = self.make_test_vf(False, dir='source')
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	534	vf.add_lines((b'a',), (), [b'lines\n'])
	535	vf.add_lines((b'b',), (), [b'lines\n'])
	536	vf.add_lines((b'c',), (), [b'lines\n'])
	537	vf.add_lines((b'd',), (), [b'lines\n'])
3735.32.3 by John Arbash Meinel Start doing some direct GCVF tests.	538	vf.writer.end()
	539	keys = [record.key for record in vf.get_record_stream(
7143.15.2 by Jelmer Vernooĳ Run autopep8.	540	[(b'a',), (b'b',), (b'c',), (b'd',)],
7143.15.2 by Jelmer Vernooĳ Run autopep8.	541	'as-requested', False)]
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	542	self.assertEqual([(b'a',), (b'b',), (b'c',), (b'd',)], keys)
3735.32.3 by John Arbash Meinel Start doing some direct GCVF tests.	543	keys = [record.key for record in vf.get_record_stream(
7143.15.2 by Jelmer Vernooĳ Run autopep8.	544	[(b'b',), (b'a',), (b'd',), (b'c',)],
7143.15.2 by Jelmer Vernooĳ Run autopep8.	545	'as-requested', False)]
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	546	self.assertEqual([(b'b',), (b'a',), (b'd',), (b'c',)], keys)
3735.32.3 by John Arbash Meinel Start doing some direct GCVF tests.	547
	548	# It should work even after being repacked into another VF
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	549	vf2 = self.make_test_vf(False, dir='target')
3735.32.3 by John Arbash Meinel Start doing some direct GCVF tests.	550	vf2.insert_record_stream(vf.get_record_stream(
7143.15.2 by Jelmer Vernooĳ Run autopep8.	551	[(b'b',), (b'a',), (b'd',), (b'c',)], 'as-requested', False))
3735.32.3 by John Arbash Meinel Start doing some direct GCVF tests.	552	vf2.writer.end()
	553
	554	keys = [record.key for record in vf2.get_record_stream(
7143.15.2 by Jelmer Vernooĳ Run autopep8.	555	[(b'a',), (b'b',), (b'c',), (b'd',)],
7143.15.2 by Jelmer Vernooĳ Run autopep8.	556	'as-requested', False)]
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	557	self.assertEqual([(b'a',), (b'b',), (b'c',), (b'd',)], keys)
3735.32.3 by John Arbash Meinel Start doing some direct GCVF tests.	558	keys = [record.key for record in vf2.get_record_stream(
7143.15.2 by Jelmer Vernooĳ Run autopep8.	559	[(b'b',), (b'a',), (b'd',), (b'c',)],
7143.15.2 by Jelmer Vernooĳ Run autopep8.	560	'as-requested', False)]
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	561	self.assertEqual([(b'b',), (b'a',), (b'd',), (b'c',)], keys)
3735.32.8 by John Arbash Meinel Some tests for the LazyGroupCompressFactory	562
5755.2.8 by John Arbash Meinel Do a lot of renaming.	563	def test_get_record_stream_max_bytes_to_index_default(self):
5755.2.6 by John Arbash Meinel Test that the record stream has the correct values set.	564	vf = self.make_test_vf(True, dir='source')
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	565	vf.add_lines((b'a',), (), [b'lines\n'])
5755.2.6 by John Arbash Meinel Test that the record stream has the correct values set.	566	vf.writer.end()
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	567	record = next(vf.get_record_stream([(b'a',)], 'unordered', True))
5755.2.8 by John Arbash Meinel Do a lot of renaming.	568	self.assertEqual(vf._DEFAULT_COMPRESSOR_SETTINGS,
5755.2.8 by John Arbash Meinel Do a lot of renaming.	569	record._manager._get_compressor_settings())
5755.2.6 by John Arbash Meinel Test that the record stream has the correct values set.	570
5755.2.8 by John Arbash Meinel Do a lot of renaming.	571	def test_get_record_stream_accesses_compressor_settings(self):
5755.2.6 by John Arbash Meinel Test that the record stream has the correct values set.	572	vf = self.make_test_vf(True, dir='source')
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	573	vf.add_lines((b'a',), (), [b'lines\n'])
5755.2.6 by John Arbash Meinel Test that the record stream has the correct values set.	574	vf.writer.end()
5755.2.8 by John Arbash Meinel Do a lot of renaming.	575	vf._max_bytes_to_index = 1234
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	576	record = next(vf.get_record_stream([(b'a',)], 'unordered', True))
5755.2.9 by John Arbash Meinel Change settings to a dict. That way the attributes are still named.	577	self.assertEqual(dict(max_bytes_to_index=1234),
	578	record._manager._get_compressor_settings())
5755.2.6 by John Arbash Meinel Test that the record stream has the correct values set.	579
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	580	@staticmethod
	581	def grouped_stream(revision_ids, first_parents=()):
	582	parents = first_parents
	583	for revision_id in revision_ids:
	584	key = (revision_id,)
	585	record = versionedfile.FulltextContentFactory(
	586	key, parents, None,
	587	b'some content that is\n'
	588	b'identical except for\n'
	589	b'revision_id:%s\n' % (revision_id,))
	590	yield record
	591	parents = (key,)
	592
4665.3.9 by John Arbash Meinel Start doing some work to make sure that we call _check_rebuild_block	593	def test_insert_record_stream_reuses_blocks(self):
3735.32.21 by John Arbash Meinel We now have a 'reuse_blocks=False' flag for autopack et al.	594	vf = self.make_test_vf(True, dir='source')
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	595	# One group, a-d
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	596	vf.insert_record_stream(self.grouped_stream([b'a', b'b', b'c', b'd']))
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	597	# Second group, e-h
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	598	vf.insert_record_stream(self.grouped_stream(
	599	[b'e', b'f', b'g', b'h'], first_parents=((b'd',),)))
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	600	block_bytes = {}
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	601	stream = vf.get_record_stream(
	602	[(r.encode(),) for r in 'abcdefgh'], 'unordered', False)
3735.32.21 by John Arbash Meinel We now have a 'reuse_blocks=False' flag for autopack et al.	603	num_records = 0
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	604	for record in stream:
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	605	if record.key in [(b'a',), (b'e',)]:
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	606	self.assertEqual('groupcompress-block', record.storage_kind)
	607	else:
	608	self.assertEqual('groupcompress-block-ref',
	609	record.storage_kind)
	610	block_bytes[record.key] = record._manager._block._z_content
3735.32.21 by John Arbash Meinel We now have a 'reuse_blocks=False' flag for autopack et al.	611	num_records += 1
	612	self.assertEqual(8, num_records)
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	613	for r in 'abcd':
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	614	key = (r.encode(),)
	615	self.assertIs(block_bytes[key], block_bytes[(b'a',)])
	616	self.assertNotEqual(block_bytes[key], block_bytes[(b'e',)])
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	617	for r in 'efgh':
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	618	key = (r.encode(),)
	619	self.assertIs(block_bytes[key], block_bytes[(b'e',)])
	620	self.assertNotEqual(block_bytes[key], block_bytes[(b'a',)])
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	621	# Now copy the blocks into another vf, and ensure that the blocks are
	622	# preserved without creating new entries
	623	vf2 = self.make_test_vf(True, dir='target')
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	624	keys = [(r.encode(),) for r in 'abcdefgh']
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	625	# ordering in 'groupcompress' order, should actually swap the groups in
	626	# the target vf, but the groups themselves should not be disturbed.
7143.15.2 by Jelmer Vernooĳ Run autopep8.	627
4665.3.9 by John Arbash Meinel Start doing some work to make sure that we call _check_rebuild_block	628	def small_size_stream():
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	629	for record in vf.get_record_stream(keys, 'groupcompress', False):
4665.3.9 by John Arbash Meinel Start doing some work to make sure that we call _check_rebuild_block	630	record._manager._full_enough_block_size = \
	631	record._manager._block._content_length
	632	yield record
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	633
4665.3.9 by John Arbash Meinel Start doing some work to make sure that we call _check_rebuild_block	634	vf2.insert_record_stream(small_size_stream())
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	635	stream = vf2.get_record_stream(keys, 'groupcompress', False)
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	636	vf2.writer.end()
3735.32.21 by John Arbash Meinel We now have a 'reuse_blocks=False' flag for autopack et al.	637	num_records = 0
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	638	for record in stream:
3735.32.21 by John Arbash Meinel We now have a 'reuse_blocks=False' flag for autopack et al.	639	num_records += 1
3735.32.20 by John Arbash Meinel groupcompress now copies the blocks exactly as they were given.	640	self.assertEqual(block_bytes[record.key],
	641	record._manager._block._z_content)
3735.32.21 by John Arbash Meinel We now have a 'reuse_blocks=False' flag for autopack et al.	642	self.assertEqual(8, num_records)
	643
4665.3.9 by John Arbash Meinel Start doing some work to make sure that we call _check_rebuild_block	644	def test_insert_record_stream_packs_on_the_fly(self):
	645	vf = self.make_test_vf(True, dir='source')
	646	# One group, a-d
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	647	vf.insert_record_stream(self.grouped_stream([b'a', b'b', b'c', b'd']))
4665.3.9 by John Arbash Meinel Start doing some work to make sure that we call _check_rebuild_block	648	# Second group, e-h
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	649	vf.insert_record_stream(self.grouped_stream(
	650	[b'e', b'f', b'g', b'h'], first_parents=((b'd',),)))
4665.3.9 by John Arbash Meinel Start doing some work to make sure that we call _check_rebuild_block	651	# Now copy the blocks into another vf, and see that the
	652	# insert_record_stream rebuilt a new block on-the-fly because of
	653	# under-utilization
	654	vf2 = self.make_test_vf(True, dir='target')
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	655	keys = [(r.encode(),) for r in 'abcdefgh']
4665.3.9 by John Arbash Meinel Start doing some work to make sure that we call _check_rebuild_block	656	vf2.insert_record_stream(vf.get_record_stream(
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	657	keys, 'groupcompress', False))
	658	stream = vf2.get_record_stream(keys, 'groupcompress', False)
4665.3.9 by John Arbash Meinel Start doing some work to make sure that we call _check_rebuild_block	659	vf2.writer.end()
	660	num_records = 0
	661	# All of the records should be recombined into a single block
	662	block = None
	663	for record in stream:
	664	num_records += 1
	665	if block is None:
	666	block = record._manager._block
	667	else:
	668	self.assertIs(block, record._manager._block)
	669	self.assertEqual(8, num_records)
	670
3735.32.21 by John Arbash Meinel We now have a 'reuse_blocks=False' flag for autopack et al.	671	def test__insert_record_stream_no_reuse_block(self):
	672	vf = self.make_test_vf(True, dir='source')
	673	# One group, a-d
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	674	vf.insert_record_stream(self.grouped_stream([b'a', b'b', b'c', b'd']))
3735.32.21 by John Arbash Meinel We now have a 'reuse_blocks=False' flag for autopack et al.	675	# Second group, e-h
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	676	vf.insert_record_stream(self.grouped_stream(
	677	[b'e', b'f', b'g', b'h'], first_parents=((b'd',),)))
3735.32.21 by John Arbash Meinel We now have a 'reuse_blocks=False' flag for autopack et al.	678	vf.writer.end()
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	679	keys = [(r.encode(),) for r in 'abcdefgh']
	680	self.assertEqual(8, len(list(
	681	vf.get_record_stream(keys, 'unordered', False))))
3735.32.21 by John Arbash Meinel We now have a 'reuse_blocks=False' flag for autopack et al.	682	# Now copy the blocks into another vf, and ensure that the blocks are
	683	# preserved without creating new entries
	684	vf2 = self.make_test_vf(True, dir='target')
	685	# ordering in 'groupcompress' order, should actually swap the groups in
	686	# the target vf, but the groups themselves should not be disturbed.
	687	list(vf2._insert_record_stream(vf.get_record_stream(
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	688	keys, 'groupcompress', False),
3735.32.21 by John Arbash Meinel We now have a 'reuse_blocks=False' flag for autopack et al.	689	reuse_blocks=False))
	690	vf2.writer.end()
	691	# After inserting with reuse_blocks=False, we should have everything in
	692	# a single new block.
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	693	stream = vf2.get_record_stream(keys, 'groupcompress', False)
3735.32.21 by John Arbash Meinel We now have a 'reuse_blocks=False' flag for autopack et al.	694	block = None
	695	for record in stream:
	696	if block is None:
	697	block = record._manager._block
	698	else:
	699	self.assertIs(block, record._manager._block)
	700
4343.3.20 by John Arbash Meinel Copy the track_external_parent_refs tests over to GCVF.	701	def test_add_missing_noncompression_parent_unvalidated_index(self):
	702	unvalidated = self.make_g_index_missing_parent()
	703	combined = _mod_index.CombinedGraphIndex([unvalidated])
	704	index = groupcompress._GCGraphIndex(combined,
7143.15.2 by Jelmer Vernooĳ Run autopep8.	705	is_locked=lambda: True, parents=True,
7143.15.2 by Jelmer Vernooĳ Run autopep8.	706	track_external_parent_refs=True)
4343.3.20 by John Arbash Meinel Copy the track_external_parent_refs tests over to GCVF.	707	index.scan_unvalidated_index(unvalidated)
	708	self.assertEqual(
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	709	frozenset([(b'missing-parent',)]), index.get_missing_parents())
4343.3.20 by John Arbash Meinel Copy the track_external_parent_refs tests over to GCVF.	710
	711	def test_track_external_parent_refs(self):
	712	g_index = self.make_g_index('empty', 1, [])
	713	mod_index = btree_index.BTreeBuilder(1, 1)
	714	combined = _mod_index.CombinedGraphIndex([g_index, mod_index])
	715	index = groupcompress._GCGraphIndex(combined,
7143.15.2 by Jelmer Vernooĳ Run autopep8.	716	is_locked=lambda: True, parents=True,
	717	add_callback=mod_index.add_nodes,
	718	track_external_parent_refs=True)
4343.3.20 by John Arbash Meinel Copy the track_external_parent_refs tests over to GCVF.	719	index.add_records([
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	720	((b'new-key',), b'2 10 2 10', [((b'parent-1',), (b'parent-2',))])])
4343.3.20 by John Arbash Meinel Copy the track_external_parent_refs tests over to GCVF.	721	self.assertEqual(
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	722	frozenset([(b'parent-1',), (b'parent-2',)]),
4343.3.20 by John Arbash Meinel Copy the track_external_parent_refs tests over to GCVF.	723	index.get_missing_parents())
	724
4465.2.3 by Aaron Bentley Update to change redundant inserts into a warning.	725	def make_source_with_b(self, a_parent, path):
	726	source = self.make_test_vf(True, dir=path)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	727	source.add_lines((b'a',), (), [b'lines\n'])
4465.2.3 by Aaron Bentley Update to change redundant inserts into a warning.	728	if a_parent:
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	729	b_parents = ((b'a',),)
4465.2.3 by Aaron Bentley Update to change redundant inserts into a warning.	730	else:
	731	b_parents = ()
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	732	source.add_lines((b'b',), b_parents, [b'lines\n'])
4465.2.3 by Aaron Bentley Update to change redundant inserts into a warning.	733	return source
	734
4465.2.4 by Aaron Bentley Switch between warn and raise depending on inconsistent_fatal.	735	def do_inconsistent_inserts(self, inconsistency_fatal):
	736	target = self.make_test_vf(True, dir='target',
	737	inconsistency_fatal=inconsistency_fatal)
	738	for x in range(2):
7143.15.2 by Jelmer Vernooĳ Run autopep8.	739	source = self.make_source_with_b(x == 1, 'source%s' % x)
4465.2.4 by Aaron Bentley Switch between warn and raise depending on inconsistent_fatal.	740	target.insert_record_stream(source.get_record_stream(
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	741	[(b'b',)], 'unordered', False))
4465.2.4 by Aaron Bentley Switch between warn and raise depending on inconsistent_fatal.	742
4465.2.3 by Aaron Bentley Update to change redundant inserts into a warning.	743	def test_inconsistent_redundant_inserts_warn(self):
4465.2.2 by Aaron Bentley Add test that duplicates are skipped.	744	"""Should not insert a record that is already present."""
4465.2.3 by Aaron Bentley Update to change redundant inserts into a warning.	745	warnings = []
7143.15.2 by Jelmer Vernooĳ Run autopep8.	746
4465.2.3 by Aaron Bentley Update to change redundant inserts into a warning.	747	def warning(template, args):
	748	warnings.append(template % args)
	749	_trace_warning = trace.warning
	750	trace.warning = warning
	751	try:
4465.2.4 by Aaron Bentley Switch between warn and raise depending on inconsistent_fatal.	752	self.do_inconsistent_inserts(inconsistency_fatal=False)
4465.2.3 by Aaron Bentley Update to change redundant inserts into a warning.	753	finally:
	754	trace.warning = _trace_warning
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	755	self.assertContainsRe(
	756	"\n".join(warnings),
	757	r"^inconsistent details in skipped record: $b?'b',$"
	758	r" $b?'42 32 0 8', \(\($,\)\)"
	759	r" $b?'74 32 0 8', \(\(\(b?'a',$,\),\)\)$")
3735.32.8 by John Arbash Meinel Some tests for the LazyGroupCompressFactory	760
4465.2.4 by Aaron Bentley Switch between warn and raise depending on inconsistent_fatal.	761	def test_inconsistent_redundant_inserts_raises(self):
6744 by Jelmer Vernooĳ Merge lp:~jelmer/brz/move-errors-knit.	762	e = self.assertRaises(knit.KnitCorrupt, self.do_inconsistent_inserts,
4465.2.4 by Aaron Bentley Switch between warn and raise depending on inconsistent_fatal.	763	inconsistency_fatal=True)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	764	self.assertContainsRe(str(e), r"Knit.* corrupt: inconsistent details"
	765	r" in add_records:"
	766	r" $b?'b',$ $b?'42 32 0 8', \(\($,\)\)"
	767	r" $b?'74 32 0 8', \(\(\(b?'a',$,\),\)\)")
4465.2.4 by Aaron Bentley Switch between warn and raise depending on inconsistent_fatal.	768
4744.2.5 by John Arbash Meinel Change to a generic 'VersionedFiles.clear_cache()' api.	769	def test_clear_cache(self):
	770	vf = self.make_source_with_b(True, 'source')
	771	vf.writer.end()
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	772	for record in vf.get_record_stream([(b'a',), (b'b',)], 'unordered',
4744.2.5 by John Arbash Meinel Change to a generic 'VersionedFiles.clear_cache()' api.	773	True):
	774	pass
	775	self.assertTrue(len(vf._group_cache) > 0)
	776	vf.clear_cache()
	777	self.assertEqual(0, len(vf._group_cache))
	778
	779
5755.2.4 by John Arbash Meinel Expose the max_entries_per_source into GroupCompressVersionedFiles	780	class TestGroupCompressConfig(tests.TestCaseWithTransport):
	781
	782	def make_test_vf(self):
	783	t = self.get_transport('.')
	784	t.ensure_base()
	785	factory = groupcompress.make_pack_factory(graph=True,
7143.15.2 by Jelmer Vernooĳ Run autopep8.	786	delta=False, keylength=1, inconsistency_fatal=True)
5755.2.4 by John Arbash Meinel Expose the max_entries_per_source into GroupCompressVersionedFiles	787	vf = factory(t)
	788	self.addCleanup(groupcompress.cleanup_pack_group, vf)
	789	return vf
	790
5755.2.8 by John Arbash Meinel Do a lot of renaming.	791	def test_max_bytes_to_index_default(self):
	792	vf = self.make_test_vf()
	793	gc = vf._make_group_compressor()
	794	self.assertEqual(vf._DEFAULT_MAX_BYTES_TO_INDEX,
	795	vf._max_bytes_to_index)
	796	if isinstance(gc, groupcompress.PyrexGroupCompressor):
	797	self.assertEqual(vf._DEFAULT_MAX_BYTES_TO_INDEX,
	798	gc._delta_index._max_bytes_to_index)
	799
	800	def test_max_bytes_to_index_in_config(self):
	801	c = config.GlobalConfig()
	802	c.set_user_option('bzr.groupcompress.max_bytes_to_index', '10000')
	803	vf = self.make_test_vf()
	804	gc = vf._make_group_compressor()
	805	self.assertEqual(10000, vf._max_bytes_to_index)
	806	if isinstance(gc, groupcompress.PyrexGroupCompressor):
	807	self.assertEqual(10000, gc._delta_index._max_bytes_to_index)
	808
	809	def test_max_bytes_to_index_bad_config(self):
	810	c = config.GlobalConfig()
	811	c.set_user_option('bzr.groupcompress.max_bytes_to_index', 'boogah')
5755.2.4 by John Arbash Meinel Expose the max_entries_per_source into GroupCompressVersionedFiles	812	vf = self.make_test_vf()
	813	# TODO: This is triggering a warning, we might want to trap and make
	814	# sure it is readable.
	815	gc = vf._make_group_compressor()
5755.2.8 by John Arbash Meinel Do a lot of renaming.	816	self.assertEqual(vf._DEFAULT_MAX_BYTES_TO_INDEX,
5755.2.8 by John Arbash Meinel Do a lot of renaming.	817	vf._max_bytes_to_index)
5755.2.4 by John Arbash Meinel Expose the max_entries_per_source into GroupCompressVersionedFiles	818	if isinstance(gc, groupcompress.PyrexGroupCompressor):
5755.2.8 by John Arbash Meinel Do a lot of renaming.	819	self.assertEqual(vf._DEFAULT_MAX_BYTES_TO_INDEX,
5755.2.8 by John Arbash Meinel Do a lot of renaming.	820	gc._delta_index._max_bytes_to_index)
5755.2.4 by John Arbash Meinel Expose the max_entries_per_source into GroupCompressVersionedFiles	821
	822
4634.3.20 by Andrew Bennetts Some basic whitebox unit tests for _BatchingBlockFetcher.	823	class StubGCVF(object):
4634.3.21 by Andrew Bennetts Direct tests now have complete line coverage of _BatchingBlockFetcher (except for the assertion).	824	def __init__(self, canned_get_blocks=None):
4634.3.20 by Andrew Bennetts Some basic whitebox unit tests for _BatchingBlockFetcher.	825	self._group_cache = {}
4634.3.21 by Andrew Bennetts Direct tests now have complete line coverage of _BatchingBlockFetcher (except for the assertion).	826	self._canned_get_blocks = canned_get_blocks or []
7143.15.2 by Jelmer Vernooĳ Run autopep8.	827
4634.3.21 by Andrew Bennetts Direct tests now have complete line coverage of _BatchingBlockFetcher (except for the assertion).	828	def _get_blocks(self, read_memos):
	829	return iter(self._canned_get_blocks)
7143.15.2 by Jelmer Vernooĳ Run autopep8.	830
4634.3.20 by Andrew Bennetts Some basic whitebox unit tests for _BatchingBlockFetcher.	831
	832	class Test_BatchingBlockFetcher(TestCaseWithGroupCompressVersionedFiles):
	833	"""Simple whitebox unit tests for _BatchingBlockFetcher."""
7143.15.2 by Jelmer Vernooĳ Run autopep8.	834
4634.3.20 by Andrew Bennetts Some basic whitebox unit tests for _BatchingBlockFetcher.	835	def test_add_key_new_read_memo(self):
	836	"""Adding a key with an uncached read_memo new to this batch adds that
	837	read_memo to the list of memos to fetch.
	838	"""
	839	# locations are: index_memo, ignored, parents, ignored
	840	# where index_memo is: (idx, offset, len, factory_start, factory_end)
	841	# and (idx, offset, size) is known as the 'read_memo', identifying the
	842	# raw bytes needed.
	843	read_memo = ('fake index', 100, 50)
	844	locations = {
	845	('key',): (read_memo + (None, None), None, None, None)}
	846	batcher = groupcompress._BatchingBlockFetcher(StubGCVF(), locations)
	847	total_size = batcher.add_key(('key',))
	848	self.assertEqual(50, total_size)
	849	self.assertEqual([('key',)], batcher.keys)
	850	self.assertEqual([read_memo], batcher.memos_to_get)
	851
	852	def test_add_key_duplicate_read_memo(self):
	853	"""read_memos that occur multiple times in a batch will only be fetched
	854	once.
	855	"""
	856	read_memo = ('fake index', 100, 50)
	857	# Two keys, both sharing the same read memo (but different overall
	858	# index_memos).
	859	locations = {
	860	('key1',): (read_memo + (0, 1), None, None, None),
	861	('key2',): (read_memo + (1, 2), None, None, None)}
	862	batcher = groupcompress._BatchingBlockFetcher(StubGCVF(), locations)
	863	total_size = batcher.add_key(('key1',))
	864	total_size = batcher.add_key(('key2',))
	865	self.assertEqual(50, total_size)
	866	self.assertEqual([('key1',), ('key2',)], batcher.keys)
	867	self.assertEqual([read_memo], batcher.memos_to_get)
	868
	869	def test_add_key_cached_read_memo(self):
	870	"""Adding a key with a cached read_memo will not cause that read_memo
	871	to be added to the list to fetch.
	872	"""
	873	read_memo = ('fake index', 100, 50)
	874	gcvf = StubGCVF()
	875	gcvf._group_cache[read_memo] = 'fake block'
	876	locations = {
	877	('key',): (read_memo + (None, None), None, None, None)}
	878	batcher = groupcompress._BatchingBlockFetcher(gcvf, locations)
	879	total_size = batcher.add_key(('key',))
	880	self.assertEqual(0, total_size)
	881	self.assertEqual([('key',)], batcher.keys)
	882	self.assertEqual([], batcher.memos_to_get)
	883
4634.3.21 by Andrew Bennetts Direct tests now have complete line coverage of _BatchingBlockFetcher (except for the assertion).	884	def test_yield_factories_empty(self):
	885	"""An empty batch yields no factories."""
	886	batcher = groupcompress._BatchingBlockFetcher(StubGCVF(), {})
	887	self.assertEqual([], list(batcher.yield_factories()))
	888
	889	def test_yield_factories_calls_get_blocks(self):
4634.3.22 by Andrew Bennetts Fix docstring.	890	"""Uncached memos are retrieved via get_blocks."""
4634.3.21 by Andrew Bennetts Direct tests now have complete line coverage of _BatchingBlockFetcher (except for the assertion).	891	read_memo1 = ('fake index', 100, 50)
	892	read_memo2 = ('fake index', 150, 40)
	893	gcvf = StubGCVF(
	894	canned_get_blocks=[
	895	(read_memo1, groupcompress.GroupCompressBlock()),
	896	(read_memo2, groupcompress.GroupCompressBlock())])
	897	locations = {
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	898	('key1',): (read_memo1 + (0, 0), None, None, None),
	899	('key2',): (read_memo2 + (0, 0), None, None, None)}
4634.3.21 by Andrew Bennetts Direct tests now have complete line coverage of _BatchingBlockFetcher (except for the assertion).	900	batcher = groupcompress._BatchingBlockFetcher(gcvf, locations)
	901	batcher.add_key(('key1',))
	902	batcher.add_key(('key2',))
	903	factories = list(batcher.yield_factories(full_flush=True))
	904	self.assertLength(2, factories)
	905	keys = [f.key for f in factories]
	906	kinds = [f.storage_kind for f in factories]
	907	self.assertEqual([('key1',), ('key2',)], keys)
	908	self.assertEqual(['groupcompress-block', 'groupcompress-block'], kinds)
	909
	910	def test_yield_factories_flushing(self):
	911	"""yield_factories holds back on yielding results from the final block
	912	unless passed full_flush=True.
	913	"""
	914	fake_block = groupcompress.GroupCompressBlock()
	915	read_memo = ('fake index', 100, 50)
	916	gcvf = StubGCVF()
	917	gcvf._group_cache[read_memo] = fake_block
	918	locations = {
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	919	('key',): (read_memo + (0, 0), None, None, None)}
4634.3.21 by Andrew Bennetts Direct tests now have complete line coverage of _BatchingBlockFetcher (except for the assertion).	920	batcher = groupcompress._BatchingBlockFetcher(gcvf, locations)
	921	batcher.add_key(('key',))
	922	self.assertEqual([], list(batcher.yield_factories()))
	923	factories = list(batcher.yield_factories(full_flush=True))
	924	self.assertLength(1, factories)
	925	self.assertEqual(('key',), factories[0].key)
	926	self.assertEqual('groupcompress-block', factories[0].storage_kind)
	927
4634.3.20 by Andrew Bennetts Some basic whitebox unit tests for _BatchingBlockFetcher.	928
3735.32.14 by John Arbash Meinel Move the tests over to testing the LazyGroupContentManager object.	929	class TestLazyGroupCompress(tests.TestCaseWithTransport):
3735.32.8 by John Arbash Meinel Some tests for the LazyGroupCompressFactory	930
3735.32.14 by John Arbash Meinel Move the tests over to testing the LazyGroupContentManager object.	931	_texts = {
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	932	(b'key1',): b"this is a text\n"
7143.15.2 by Jelmer Vernooĳ Run autopep8.	933	b"with a reasonable amount of compressible bytes\n"
7143.15.2 by Jelmer Vernooĳ Run autopep8.	934	b"which can be shared between various other texts\n",
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	935	(b'key2',): b"another text\n"
7143.15.2 by Jelmer Vernooĳ Run autopep8.	936	b"with a reasonable amount of compressible bytes\n"
7143.15.2 by Jelmer Vernooĳ Run autopep8.	937	b"which can be shared between various other texts\n",
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	938	(b'key3',): b"yet another text which won't be extracted\n"
7143.15.2 by Jelmer Vernooĳ Run autopep8.	939	b"with a reasonable amount of compressible bytes\n"
7143.15.2 by Jelmer Vernooĳ Run autopep8.	940	b"which can be shared between various other texts\n",
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	941	(b'key4',): b"this will be extracted\n"
7143.15.2 by Jelmer Vernooĳ Run autopep8.	942	b"but references most of its bytes from\n"
	943	b"yet another text which won't be extracted\n"
	944	b"with a reasonable amount of compressible bytes\n"
	945	b"which can be shared between various other texts\n",
3735.32.14 by John Arbash Meinel Move the tests over to testing the LazyGroupContentManager object.	946	}
7143.15.2 by Jelmer Vernooĳ Run autopep8.	947
3735.32.8 by John Arbash Meinel Some tests for the LazyGroupCompressFactory	948	def make_block(self, key_to_text):
	949	"""Create a GroupCompressBlock, filling it with the given texts."""
	950	compressor = groupcompress.GroupCompressor()
	951	start = 0
	952	for key in sorted(key_to_text):
7459.2.1 by Jelmer Vernooĳ Pass chunks to compress().	953	compressor.compress(key, [key_to_text[key]], None)
3735.40.18 by John Arbash Meinel Get rid of the entries dict in GroupCompressBlock.	954	locs = dict((key, (start, end)) for key, (start, _, end, _)
6656.1.1 by Martin Apply 2to3 dict fixer and clean up resulting mess using view helpers	955	in compressor.labels_deltas.items())
3735.32.23 by John Arbash Meinel Add a _LazyGroupContentManager._check_rebuild_block	956	block = compressor.flush()
	957	raw_bytes = block.to_bytes()
3735.40.18 by John Arbash Meinel Get rid of the entries dict in GroupCompressBlock.	958	return locs, groupcompress.GroupCompressBlock.from_bytes(raw_bytes)
3735.32.8 by John Arbash Meinel Some tests for the LazyGroupCompressFactory	959
3735.40.18 by John Arbash Meinel Get rid of the entries dict in GroupCompressBlock.	960	def add_key_to_manager(self, key, locations, block, manager):
	961	start, end = locations[key]
	962	manager.add_factory(key, (), start, end)
3735.32.15 by John Arbash Meinel Change the GroupCompressBlock code to allow not recording 'end'.	963
4665.3.7 by John Arbash Meinel We needed a bit more data to actually get groups doing delta-compression.	964	def make_block_and_full_manager(self, texts):
	965	locations, block = self.make_block(texts)
	966	manager = groupcompress._LazyGroupContentManager(block)
	967	for key in sorted(texts):
	968	self.add_key_to_manager(key, locations, block, manager)
	969	return block, manager
	970
3735.32.8 by John Arbash Meinel Some tests for the LazyGroupCompressFactory	971	def test_get_fulltexts(self):
3735.40.18 by John Arbash Meinel Get rid of the entries dict in GroupCompressBlock.	972	locations, block = self.make_block(self._texts)
3735.32.17 by John Arbash Meinel We now round-trip the wire_bytes.	973	manager = groupcompress._LazyGroupContentManager(block)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	974	self.add_key_to_manager((b'key1',), locations, block, manager)
	975	self.add_key_to_manager((b'key2',), locations, block, manager)
3735.32.15 by John Arbash Meinel Change the GroupCompressBlock code to allow not recording 'end'.	976	result_order = []
	977	for record in manager.get_record_stream():
	978	result_order.append(record.key)
	979	text = self._texts[record.key]
	980	self.assertEqual(text, record.get_bytes_as('fulltext'))
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	981	self.assertEqual([(b'key1',), (b'key2',)], result_order)
3735.32.15 by John Arbash Meinel Change the GroupCompressBlock code to allow not recording 'end'.	982
	983	# If we build the manager in the opposite order, we should get them
	984	# back in the opposite order
3735.32.17 by John Arbash Meinel We now round-trip the wire_bytes.	985	manager = groupcompress._LazyGroupContentManager(block)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	986	self.add_key_to_manager((b'key2',), locations, block, manager)
	987	self.add_key_to_manager((b'key1',), locations, block, manager)
3735.32.15 by John Arbash Meinel Change the GroupCompressBlock code to allow not recording 'end'.	988	result_order = []
	989	for record in manager.get_record_stream():
	990	result_order.append(record.key)
	991	text = self._texts[record.key]
	992	self.assertEqual(text, record.get_bytes_as('fulltext'))
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	993	self.assertEqual([(b'key2',), (b'key1',)], result_order)
3735.32.15 by John Arbash Meinel Change the GroupCompressBlock code to allow not recording 'end'.	994
3735.32.16 by John Arbash Meinel We now have a general header for the GC block.	995	def test__wire_bytes_no_keys(self):
3735.40.18 by John Arbash Meinel Get rid of the entries dict in GroupCompressBlock.	996	locations, block = self.make_block(self._texts)
3735.32.17 by John Arbash Meinel We now round-trip the wire_bytes.	997	manager = groupcompress._LazyGroupContentManager(block)
3735.32.16 by John Arbash Meinel We now have a general header for the GC block.	998	wire_bytes = manager._wire_bytes()
3735.32.17 by John Arbash Meinel We now round-trip the wire_bytes.	999	block_length = len(block.to_bytes())
3735.32.24 by John Arbash Meinel _wire_bytes() now strips groups as necessary, as does _insert_record_stream	1000	# We should have triggered a strip, since we aren't using any content
	1001	stripped_block = manager._block.to_bytes()
	1002	self.assertTrue(block_length > len(stripped_block))
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1003	empty_z_header = zlib.compress(b'')
	1004	self.assertEqual(b'groupcompress-block\n'
7143.15.2 by Jelmer Vernooĳ Run autopep8.	1005	b'8\n' # len(compress(''))
	1006	b'0\n' # len('')
	1007	b'%d\n' # compressed block len
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1008	b'%s' # zheader
	1009	b'%s' # block
3735.32.24 by John Arbash Meinel _wire_bytes() now strips groups as necessary, as does _insert_record_stream	1010	% (len(stripped_block), empty_z_header,
	1011	stripped_block),
	1012	wire_bytes)
3735.32.16 by John Arbash Meinel We now have a general header for the GC block.	1013
3735.32.15 by John Arbash Meinel Change the GroupCompressBlock code to allow not recording 'end'.	1014	def test__wire_bytes(self):
3735.40.18 by John Arbash Meinel Get rid of the entries dict in GroupCompressBlock.	1015	locations, block = self.make_block(self._texts)
3735.32.17 by John Arbash Meinel We now round-trip the wire_bytes.	1016	manager = groupcompress._LazyGroupContentManager(block)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1017	self.add_key_to_manager((b'key1',), locations, block, manager)
	1018	self.add_key_to_manager((b'key4',), locations, block, manager)
3735.32.17 by John Arbash Meinel We now round-trip the wire_bytes.	1019	block_bytes = block.to_bytes()
3735.32.16 by John Arbash Meinel We now have a general header for the GC block.	1020	wire_bytes = manager._wire_bytes()
	1021	(storage_kind, z_header_len, header_len,
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1022	block_len, rest) = wire_bytes.split(b'\n', 4)
3735.32.16 by John Arbash Meinel We now have a general header for the GC block.	1023	z_header_len = int(z_header_len)
	1024	header_len = int(header_len)
	1025	block_len = int(block_len)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1026	self.assertEqual(b'groupcompress-block', storage_kind)
4665.3.8 by John Arbash Meinel Of course, when you change the content, it can effect the stored wire bytes slightly.	1027	self.assertEqual(34, z_header_len)
	1028	self.assertEqual(26, header_len)
3735.32.17 by John Arbash Meinel We now round-trip the wire_bytes.	1029	self.assertEqual(len(block_bytes), block_len)
3735.32.16 by John Arbash Meinel We now have a general header for the GC block.	1030	z_header = rest[:z_header_len]
	1031	header = zlib.decompress(z_header)
	1032	self.assertEqual(header_len, len(header))
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1033	entry1 = locations[(b'key1',)]
	1034	entry4 = locations[(b'key4',)]
	1035	self.assertEqualDiff(b'key1\n'
	1036	b'\n' # no parents
7143.15.2 by Jelmer Vernooĳ Run autopep8.	1037	b'%d\n' # start offset
7143.15.2 by Jelmer Vernooĳ Run autopep8.	1038	b'%d\n' # end offset
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1039	b'key4\n'
	1040	b'\n'
	1041	b'%d\n'
	1042	b'%d\n'
3735.40.18 by John Arbash Meinel Get rid of the entries dict in GroupCompressBlock.	1043	% (entry1[0], entry1[1],
	1044	entry4[0], entry4[1]),
7143.15.2 by Jelmer Vernooĳ Run autopep8.	1045	header)
3735.32.16 by John Arbash Meinel We now have a general header for the GC block.	1046	z_block = rest[z_header_len:]
3735.32.17 by John Arbash Meinel We now round-trip the wire_bytes.	1047	self.assertEqual(block_bytes, z_block)
	1048
	1049	def test_from_bytes(self):
3735.40.18 by John Arbash Meinel Get rid of the entries dict in GroupCompressBlock.	1050	locations, block = self.make_block(self._texts)
3735.32.17 by John Arbash Meinel We now round-trip the wire_bytes.	1051	manager = groupcompress._LazyGroupContentManager(block)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1052	self.add_key_to_manager((b'key1',), locations, block, manager)
	1053	self.add_key_to_manager((b'key4',), locations, block, manager)
3735.32.17 by John Arbash Meinel We now round-trip the wire_bytes.	1054	wire_bytes = manager._wire_bytes()
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1055	self.assertStartsWith(wire_bytes, b'groupcompress-block\n')
3735.32.18 by John Arbash Meinel We now support generating a network stream.	1056	manager = groupcompress._LazyGroupContentManager.from_bytes(wire_bytes)
3735.32.17 by John Arbash Meinel We now round-trip the wire_bytes.	1057	self.assertIsInstance(manager, groupcompress._LazyGroupContentManager)
3735.38.2 by John Arbash Meinel Make the text for key4 slightly longer, rather than include key3.	1058	self.assertEqual(2, len(manager._factories))
3735.32.17 by John Arbash Meinel We now round-trip the wire_bytes.	1059	self.assertEqual(block._z_content, manager._block._z_content)
	1060	result_order = []
	1061	for record in manager.get_record_stream():
	1062	result_order.append(record.key)
	1063	text = self._texts[record.key]
	1064	self.assertEqual(text, record.get_bytes_as('fulltext'))
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1065	self.assertEqual([(b'key1',), (b'key4',)], result_order)
3735.32.23 by John Arbash Meinel Add a _LazyGroupContentManager._check_rebuild_block	1066
	1067	def test__check_rebuild_no_changes(self):
4665.3.7 by John Arbash Meinel We needed a bit more data to actually get groups doing delta-compression.	1068	block, manager = self.make_block_and_full_manager(self._texts)
3735.32.23 by John Arbash Meinel Add a _LazyGroupContentManager._check_rebuild_block	1069	manager._check_rebuild_block()
	1070	self.assertIs(block, manager._block)
	1071
	1072	def test__check_rebuild_only_one(self):
3735.40.18 by John Arbash Meinel Get rid of the entries dict in GroupCompressBlock.	1073	locations, block = self.make_block(self._texts)
3735.32.23 by John Arbash Meinel Add a _LazyGroupContentManager._check_rebuild_block	1074	manager = groupcompress._LazyGroupContentManager(block)
	1075	# Request just the first key, which should trigger a 'strip' action
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1076	self.add_key_to_manager((b'key1',), locations, block, manager)
3735.32.23 by John Arbash Meinel Add a _LazyGroupContentManager._check_rebuild_block	1077	manager._check_rebuild_block()
	1078	self.assertIsNot(block, manager._block)
	1079	self.assertTrue(block._content_length > manager._block._content_length)
	1080	# We should be able to still get the content out of this block, though
	1081	# it should only have 1 entry
	1082	for record in manager.get_record_stream():
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1083	self.assertEqual((b'key1',), record.key)
3735.32.23 by John Arbash Meinel Add a _LazyGroupContentManager._check_rebuild_block	1084	self.assertEqual(self._texts[record.key],
	1085	record.get_bytes_as('fulltext'))
	1086
	1087	def test__check_rebuild_middle(self):
3735.40.18 by John Arbash Meinel Get rid of the entries dict in GroupCompressBlock.	1088	locations, block = self.make_block(self._texts)
3735.32.23 by John Arbash Meinel Add a _LazyGroupContentManager._check_rebuild_block	1089	manager = groupcompress._LazyGroupContentManager(block)
	1090	# Request a small key in the middle should trigger a 'rebuild'
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1091	self.add_key_to_manager((b'key4',), locations, block, manager)
3735.32.23 by John Arbash Meinel Add a _LazyGroupContentManager._check_rebuild_block	1092	manager._check_rebuild_block()
	1093	self.assertIsNot(block, manager._block)
	1094	self.assertTrue(block._content_length > manager._block._content_length)
	1095	for record in manager.get_record_stream():
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1096	self.assertEqual((b'key4',), record.key)
3735.32.23 by John Arbash Meinel Add a _LazyGroupContentManager._check_rebuild_block	1097	self.assertEqual(self._texts[record.key],
	1098	record.get_bytes_as('fulltext'))
4665.3.7 by John Arbash Meinel We needed a bit more data to actually get groups doing delta-compression.	1099
5755.2.8 by John Arbash Meinel Do a lot of renaming.	1100	def test_manager_default_compressor_settings(self):
5755.2.5 by John Arbash Meinel Expose the setting up the stack.	1101	locations, old_block = self.make_block(self._texts)
	1102	manager = groupcompress._LazyGroupContentManager(old_block)
	1103	gcvf = groupcompress.GroupCompressVersionedFiles
5755.2.8 by John Arbash Meinel Do a lot of renaming.	1104	# It doesn't greedily evaluate _max_bytes_to_index
	1105	self.assertIs(None, manager._compressor_settings)
	1106	self.assertEqual(gcvf._DEFAULT_COMPRESSOR_SETTINGS,
	1107	manager._get_compressor_settings())
5755.2.5 by John Arbash Meinel Expose the setting up the stack.	1108
5755.2.8 by John Arbash Meinel Do a lot of renaming.	1109	def test_manager_custom_compressor_settings(self):
5755.2.5 by John Arbash Meinel Expose the setting up the stack.	1110	locations, old_block = self.make_block(self._texts)
	1111	called = []
7143.15.2 by Jelmer Vernooĳ Run autopep8.	1112
5755.2.8 by John Arbash Meinel Do a lot of renaming.	1113	def compressor_settings():
5755.2.5 by John Arbash Meinel Expose the setting up the stack.	1114	called.append('called')
5755.2.8 by John Arbash Meinel Do a lot of renaming.	1115	return (10,)
5755.2.5 by John Arbash Meinel Expose the setting up the stack.	1116	manager = groupcompress._LazyGroupContentManager(old_block,
7143.15.2 by Jelmer Vernooĳ Run autopep8.	1117	get_compressor_settings=compressor_settings)
5755.2.5 by John Arbash Meinel Expose the setting up the stack.	1118	gcvf = groupcompress.GroupCompressVersionedFiles
5755.2.8 by John Arbash Meinel Do a lot of renaming.	1119	# It doesn't greedily evaluate compressor_settings
	1120	self.assertIs(None, manager._compressor_settings)
	1121	self.assertEqual((10,), manager._get_compressor_settings())
	1122	self.assertEqual((10,), manager._get_compressor_settings())
	1123	self.assertEqual((10,), manager._compressor_settings)
5755.2.5 by John Arbash Meinel Expose the setting up the stack.	1124	# Only called 1 time
	1125	self.assertEqual(['called'], called)
	1126
5755.2.8 by John Arbash Meinel Do a lot of renaming.	1127	def test__rebuild_handles_compressor_settings(self):
	1128	if not isinstance(groupcompress.GroupCompressor,
	1129	groupcompress.PyrexGroupCompressor):
	1130	raise tests.TestNotApplicable('pure-python compressor'
7143.15.2 by Jelmer Vernooĳ Run autopep8.	1131	' does not handle compressor_settings')
5755.2.5 by John Arbash Meinel Expose the setting up the stack.	1132	locations, old_block = self.make_block(self._texts)
	1133	manager = groupcompress._LazyGroupContentManager(old_block,
7143.15.2 by Jelmer Vernooĳ Run autopep8.	1134	get_compressor_settings=lambda: dict(max_bytes_to_index=32))
5755.2.5 by John Arbash Meinel Expose the setting up the stack.	1135	gc = manager._make_group_compressor()
5755.2.8 by John Arbash Meinel Do a lot of renaming.	1136	self.assertEqual(32, gc._delta_index._max_bytes_to_index)
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1137	self.add_key_to_manager((b'key3',), locations, old_block, manager)
	1138	self.add_key_to_manager((b'key4',), locations, old_block, manager)
5755.2.5 by John Arbash Meinel Expose the setting up the stack.	1139	action, last_byte, total_bytes = manager._check_rebuild_action()
	1140	self.assertEqual('rebuild', action)
	1141	manager._rebuild_block()
	1142	new_block = manager._block
	1143	self.assertIsNot(old_block, new_block)
5755.2.8 by John Arbash Meinel Do a lot of renaming.	1144	# Because of the new max_bytes_to_index, we do a poor job of
5755.2.5 by John Arbash Meinel Expose the setting up the stack.	1145	# rebuilding. This is a side-effect of the change, but at least it does
	1146	# show the setting had an effect.
	1147	self.assertTrue(old_block._content_length < new_block._content_length)
	1148
4665.3.7 by John Arbash Meinel We needed a bit more data to actually get groups doing delta-compression.	1149	def test_check_is_well_utilized_all_keys(self):
	1150	block, manager = self.make_block_and_full_manager(self._texts)
	1151	self.assertFalse(manager.check_is_well_utilized())
	1152	# Though we can fake it by changing the recommended minimum size
	1153	manager._full_enough_block_size = block._content_length
	1154	self.assertTrue(manager.check_is_well_utilized())
	1155	# Setting it just above causes it to fail
	1156	manager._full_enough_block_size = block._content_length + 1
	1157	self.assertFalse(manager.check_is_well_utilized())
	1158	# Setting the mixed-block size doesn't do anything, because the content
	1159	# is considered to not be 'mixed'
	1160	manager._full_enough_mixed_block_size = block._content_length
	1161	self.assertFalse(manager.check_is_well_utilized())
	1162
	1163	def test_check_is_well_utilized_mixed_keys(self):
	1164	texts = {}
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1165	f1k1 = (b'f1', b'k1')
	1166	f1k2 = (b'f1', b'k2')
	1167	f2k1 = (b'f2', b'k1')
	1168	f2k2 = (b'f2', b'k2')
	1169	texts[f1k1] = self._texts[(b'key1',)]
	1170	texts[f1k2] = self._texts[(b'key2',)]
	1171	texts[f2k1] = self._texts[(b'key3',)]
	1172	texts[f2k2] = self._texts[(b'key4',)]
4665.3.7 by John Arbash Meinel We needed a bit more data to actually get groups doing delta-compression.	1173	block, manager = self.make_block_and_full_manager(texts)
	1174	self.assertFalse(manager.check_is_well_utilized())
	1175	manager._full_enough_block_size = block._content_length
	1176	self.assertTrue(manager.check_is_well_utilized())
	1177	manager._full_enough_block_size = block._content_length + 1
	1178	self.assertFalse(manager.check_is_well_utilized())
	1179	manager._full_enough_mixed_block_size = block._content_length
	1180	self.assertTrue(manager.check_is_well_utilized())
	1181
	1182	def test_check_is_well_utilized_partial_use(self):
	1183	locations, block = self.make_block(self._texts)
	1184	manager = groupcompress._LazyGroupContentManager(block)
	1185	manager._full_enough_block_size = block._content_length
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1186	self.add_key_to_manager((b'key1',), locations, block, manager)
	1187	self.add_key_to_manager((b'key2',), locations, block, manager)
4665.3.7 by John Arbash Meinel We needed a bit more data to actually get groups doing delta-compression.	1188	# Just using the content from key1 and 2 is not enough to be considered
	1189	# 'complete'
	1190	self.assertFalse(manager.check_is_well_utilized())
	1191	# However if we add key3, then we have enough, as we only require 75%
	1192	# consumption
6803.2.1 by Martin Make test_groupcompress.py correct for Python 3	1193	self.add_key_to_manager((b'key4',), locations, block, manager)
4665.3.7 by John Arbash Meinel We needed a bit more data to actually get groups doing delta-compression.	1194	self.assertTrue(manager.check_is_well_utilized())
5365.4.1 by John Arbash Meinel Find a case where we are wasting a bit of memory.	1195
	1196
	1197	class Test_GCBuildDetails(tests.TestCase):
	1198
	1199	def test_acts_like_tuple(self):
	1200	# _GCBuildDetails inlines some of the data that used to be spread out
	1201	# across a bunch of tuples
	1202	bd = groupcompress._GCBuildDetails((('parent1',), ('parent2',)),
7143.15.2 by Jelmer Vernooĳ Run autopep8.	1203	('INDEX', 10, 20, 0, 5))
5365.4.1 by John Arbash Meinel Find a case where we are wasting a bit of memory.	1204	self.assertEqual(4, len(bd))
	1205	self.assertEqual(('INDEX', 10, 20, 0, 5), bd[0])
7143.15.2 by Jelmer Vernooĳ Run autopep8.	1206	self.assertEqual(None, bd[1]) # Compression Parent is always None
5365.4.1 by John Arbash Meinel Find a case where we are wasting a bit of memory.	1207	self.assertEqual((('parent1',), ('parent2',)), bd[2])
7143.15.2 by Jelmer Vernooĳ Run autopep8.	1208	self.assertEqual(('group', None), bd[3]) # Record details
5365.4.1 by John Arbash Meinel Find a case where we are wasting a bit of memory.	1209
	1210	def test__repr__(self):
	1211	bd = groupcompress._GCBuildDetails((('parent1',), ('parent2',)),
7143.15.2 by Jelmer Vernooĳ Run autopep8.	1212	('INDEX', 10, 20, 0, 5))
5365.4.1 by John Arbash Meinel Find a case where we are wasting a bit of memory.	1213	self.assertEqual("_GCBuildDetails(('INDEX', 10, 20, 0, 5),"
	1214	" (('parent1',), ('parent2',)))",
	1215	repr(bd))