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# Copyright (C) 2008 Canonical Limited.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
from bzrlib import tests
from bzrlib.plugins.groupcompress import equivalence_table
from bzrlib.plugins.groupcompress.tests.test__groupcompress_c import (
CompiledGroupCompress
)
class TestEquivalenceTable(tests.TestCase):
eq_class = equivalence_table.EquivalenceTable
def test_create(self):
eq = self.eq_class(['a', 'b'])
def test_matching_lines(self):
lines = ['a', 'b', 'c', 'b']
eq = self.eq_class(lines)
self.assertEqual(lines, eq.lines)
self.assertEqual({'a': [0], 'b': [1, 3], 'c': [2]},
eq._get_matching_lines())
def test_set_right_lines(self):
eq = self.eq_class(['a', 'b', 'c', 'b'])
eq.set_right_lines(['f', 'b', 'b'])
self.assertEqual(None, eq.get_idx_matches(0))
self.assertEqual([1, 3], eq.get_idx_matches(1))
self.assertEqual([1, 3], eq.get_idx_matches(2))
def assertGetLeftMatches(self, expected_left, eq, right):
"""Assert that we find the right matching lines."""
self.assertEqual(expected_left, eq.get_matches(right))
def test_get_matching(self):
eq = self.eq_class(['a', 'b', 'c', 'b'])
self.assertGetLeftMatches([1, 3], eq, 'b')
self.assertGetLeftMatches([2], eq, 'c')
self.assertGetLeftMatches(None, eq, 'd')
self.assertGetLeftMatches([2], eq, 'c')
def test_extend_lines(self):
eq = self.eq_class(['a', 'b', 'c', 'b'])
eq.extend_lines(['d', 'e', 'c'], [True, True, True])
self.assertEqual(['a', 'b', 'c', 'b', 'd', 'e', 'c'],
eq.lines)
self.assertEqual({'a': [0], 'b': [1, 3],
'c': [2, 6], 'd': [4],
'e': [5]},
eq._get_matching_lines())
def test_extend_lines_ignored(self):
eq = self.eq_class(['a', 'b', 'c', 'b'])
eq.extend_lines(['d', 'e', 'c'], [False, False, True])
self.assertEqual(['a', 'b', 'c', 'b', 'd', 'e', 'c'],
eq.lines)
self.assertEqual({'a': [0], 'b': [1, 3],
'c': [2, 6], 'd': None, 'e': None},
eq._get_matching_lines())
def test_abusive(self):
eq = self.eq_class(['a']*1000)
self.assertEqual({'a': range(1000)}, eq._get_matching_lines())
self.assertGetLeftMatches(range(1000), eq, 'a')
class TestCompiledEquivalenceTable(TestEquivalenceTable):
_tests_need_features = [CompiledGroupCompress]
def setUp(self):
super(TestCompiledEquivalenceTable, self).setUp()
from bzrlib.plugins.groupcompress import _groupcompress_c
self.eq_class = _groupcompress_c.EquivalenceTable
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