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Viewing changes to breezy/tests/test_export.py

  • Committer: Jelmer Vernooij
  • Date: 2017-06-10 21:59:15 UTC
  • mto: This revision was merged to the branch mainline in revision 6690.
  • Revision ID: jelmer@jelmer.uk-20170610215915-zcpu0in3r1irx3ml
Move serializer to bzr.

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breezy/tests/test_export.py
1
 
# Copyright (C) 2009, 2010 Canonical Ltd
 
1
# Copyright (C) 2009, 2010, 2011, 2016 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Tests for breezy.export."""
 
18
 
17
19
import os
 
20
import tarfile
18
21
import time
 
22
import zipfile
19
23
 
20
 
from bzrlib import (
 
24
from .. import (
21
25
    errors,
22
26
    export,
23
27
    tests,
24
28
    )
25
 
 
26
 
 
27
 
class TestExport(tests.TestCaseWithTransport):
28
 
 
29
 
    def test_dir_export_missing_file(self):
 
29
from ..export import get_root_name
 
30
from ..export.tar_exporter import export_tarball_generator
 
31
from ..sixish import (
 
32
    BytesIO,
 
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    )
 
34
from . import features
 
35
 
 
36
 
 
37
class TestDirExport(tests.TestCaseWithTransport):
 
38
 
 
39
    def test_missing_file(self):
30
40
        self.build_tree(['a/', 'a/b', 'a/c'])
31
41
        wt = self.make_branch_and_tree('.')
32
42
        wt.add(['a', 'a/b', 'a/c'])
33
43
        os.unlink('a/c')
34
44
        export.export(wt, 'target', format="dir")
35
 
        self.failUnlessExists('target/a/b')
36
 
        self.failIfExists('target/a/c')
37
 
 
38
 
    def test_dir_export_symlink(self):
39
 
        self.requireFeature(tests.SymlinkFeature)
 
45
        self.assertPathExists('target/a/b')
 
46
        self.assertPathDoesNotExist('target/a/c')
 
47
 
 
48
    def test_empty(self):
 
49
        wt = self.make_branch_and_tree('.')
 
50
        export.export(wt, 'target', format="dir")
 
51
        self.assertEqual([], os.listdir("target"))
 
52
 
 
53
    def test_symlink(self):
 
54
        self.requireFeature(features.SymlinkFeature)
40
55
        wt = self.make_branch_and_tree('.')
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56
        os.symlink('source', 'link')
42
57
        wt.add(['link'])
43
58
        export.export(wt, 'target', format="dir")
44
 
        self.failUnlessExists('target/link')
 
59
        self.assertPathExists('target/link')
45
60
 
46
 
    def test_dir_export_to_existing_empty_dir_success(self):
 
61
    def test_to_existing_empty_dir_success(self):
47
62
        self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
48
63
        wt = self.make_branch_and_tree('source')
49
64
        wt.add(['a', 'b', 'b/c'])
50
65
        wt.commit('1')
51
66
        self.build_tree(['target/'])
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67
        export.export(wt, 'target', format="dir")
53
 
        self.failUnlessExists('target/a')
54
 
        self.failUnlessExists('target/b')
55
 
        self.failUnlessExists('target/b/c')
56
 
 
57
 
    def test_dir_export_to_existing_nonempty_dir_fail(self):
 
68
        self.assertPathExists('target/a')
 
69
        self.assertPathExists('target/b')
 
70
        self.assertPathExists('target/b/c')
 
71
 
 
72
    def test_empty_subdir(self):
 
73
        self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
 
74
        wt = self.make_branch_and_tree('source')
 
75
        wt.add(['a', 'b', 'b/c'])
 
76
        wt.commit('1')
 
77
        self.build_tree(['target/'])
 
78
        export.export(wt, 'target', format="dir", subdir='')
 
79
        self.assertPathExists('target/a')
 
80
        self.assertPathExists('target/b')
 
81
        self.assertPathExists('target/b/c')
 
82
 
 
83
    def test_to_existing_nonempty_dir_fail(self):
58
84
        self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
59
85
        wt = self.make_branch_and_tree('source')
60
86
        wt.add(['a', 'b', 'b/c'])
61
87
        wt.commit('1')
62
88
        self.build_tree(['target/', 'target/foo'])
63
 
        self.assertRaises(errors.BzrError, export.export, wt, 'target', format="dir")
 
89
        self.assertRaises(errors.BzrError,
 
90
            export.export, wt, 'target', format="dir")
64
91
 
65
 
    def test_dir_export_existing_single_file(self):
66
 
        self.build_tree(['dir1/', 'dir1/dir2/', 'dir1/first', 'dir1/dir2/second'])
 
92
    def test_existing_single_file(self):
 
93
        self.build_tree([
 
94
            'dir1/', 'dir1/dir2/', 'dir1/first', 'dir1/dir2/second'])
67
95
        wtree = self.make_branch_and_tree('dir1')
68
96
        wtree.add(['dir2', 'first', 'dir2/second'])
69
97
        wtree.commit('1')
70
98
        export.export(wtree, 'target1', format='dir', subdir='first')
71
 
        self.failUnlessExists('target1/first')
 
99
        self.assertPathExists('target1/first')
72
100
        export.export(wtree, 'target2', format='dir', subdir='dir2/second')
73
 
        self.failUnlessExists('target2/second')
74
 
        
75
 
    def test_dir_export_files_same_timestamp(self):
 
101
        self.assertPathExists('target2/second')
 
102
 
 
103
    def test_files_same_timestamp(self):
76
104
        builder = self.make_branch_builder('source')
77
105
        builder.start_series()
78
106
        builder.build_snapshot(None, None, [
86
114
        self.addCleanup(b.unlock)
87
115
        tree = b.basis_tree()
88
116
        orig_iter_files_bytes = tree.iter_files_bytes
 
117
 
89
118
        # Make iter_files_bytes slower, so we provoke mtime skew
90
119
        def iter_files_bytes(to_fetch):
91
120
            for thing in orig_iter_files_bytes(to_fetch):
99
128
        # All files must be given the same mtime.
100
129
        self.assertEqual(st_a.st_mtime, st_b.st_mtime)
101
130
 
102
 
    def test_dir_export_files_per_file_timestamps(self):
 
131
    def test_files_per_file_timestamps(self):
103
132
        builder = self.make_branch_builder('source')
104
133
        builder.start_series()
105
134
        # Earliest allowable date on FAT32 filesystems is 1980-01-01
106
135
        a_time = time.mktime((1999, 12, 12, 0, 0, 0, 0, 0, 0))
107
 
        b_time = time.mktime((1980, 01, 01, 0, 0, 0, 0, 0, 0))
 
136
        b_time = time.mktime((1980, 0o1, 0o1, 0, 0, 0, 0, 0, 0))
108
137
        builder.build_snapshot(None, None, [
109
138
            ('add', ('', 'root-id', 'directory', '')),
110
139
            ('add', ('a', 'a-id', 'file', 'content\n'))],
121
150
        t = self.get_transport('target')
122
151
        self.assertEqual(a_time, t.stat('a').st_mtime)
123
152
        self.assertEqual(b_time, t.stat('b').st_mtime)
 
153
 
 
154
    def test_subdir_files_per_timestamps(self):
 
155
        builder = self.make_branch_builder('source')
 
156
        builder.start_series()
 
157
        foo_time = time.mktime((1999, 12, 12, 0, 0, 0, 0, 0, 0))
 
158
        builder.build_snapshot(None, None, [
 
159
            ('add', ('', 'root-id', 'directory', '')),
 
160
            ('add', ('subdir', 'subdir-id', 'directory', '')),
 
161
            ('add', ('subdir/foo.txt', 'foo-id', 'file', 'content\n'))],
 
162
            timestamp=foo_time)
 
163
        builder.finish_series()
 
164
        b = builder.get_branch()
 
165
        b.lock_read()
 
166
        self.addCleanup(b.unlock)
 
167
        tree = b.basis_tree()
 
168
        export.export(tree, 'target', format='dir', subdir='subdir',
 
169
            per_file_timestamps=True)
 
170
        t = self.get_transport('target')
 
171
        self.assertEqual(foo_time, t.stat('foo.txt').st_mtime)
 
172
 
 
173
 
 
174
class TarExporterTests(tests.TestCaseWithTransport):
 
175
 
 
176
    def test_xz(self):
 
177
        self.requireFeature(features.lzma)
 
178
        import lzma
 
179
        wt = self.make_branch_and_tree('.')
 
180
        self.build_tree(['a'])
 
181
        wt.add(["a"])
 
182
        wt.commit("1")
 
183
        export.export(wt, 'target.tar.xz', format="txz")
 
184
        tf = tarfile.open(fileobj=lzma.LZMAFile('target.tar.xz'))
 
185
        self.assertEqual(["target/a"], tf.getnames())
 
186
 
 
187
    def test_lzma(self):
 
188
        self.requireFeature(features.lzma)
 
189
        import lzma
 
190
        wt = self.make_branch_and_tree('.')
 
191
        self.build_tree(['a'])
 
192
        wt.add(["a"])
 
193
        wt.commit("1")
 
194
        export.export(wt, 'target.tar.lzma', format="tlzma")
 
195
        tf = tarfile.open(fileobj=lzma.LZMAFile('target.tar.lzma'))
 
196
        self.assertEqual(["target/a"], tf.getnames())
 
197
 
 
198
    def test_tgz(self):
 
199
        wt = self.make_branch_and_tree('.')
 
200
        self.build_tree(['a'])
 
201
        wt.add(["a"])
 
202
        wt.commit("1")
 
203
        export.export(wt, 'target.tar.gz', format="tgz")
 
204
        tf = tarfile.open('target.tar.gz')
 
205
        self.assertEqual(["target/a"], tf.getnames())
 
206
 
 
207
    def test_tgz_ignores_dest_path(self):
 
208
        # The target path should not be a part of the target file.
 
209
        # (bug #102234)
 
210
        wt = self.make_branch_and_tree('.')
 
211
        self.build_tree(['a'])
 
212
        wt.add(["a"])
 
213
        wt.commit("1")
 
214
        os.mkdir("testdir1")
 
215
        os.mkdir("testdir2")
 
216
        export.export(wt, 'testdir1/target.tar.gz', format="tgz",
 
217
            per_file_timestamps=True)
 
218
        export.export(wt, 'testdir2/target.tar.gz', format="tgz",
 
219
            per_file_timestamps=True)
 
220
        file1 = open('testdir1/target.tar.gz', 'r')
 
221
        self.addCleanup(file1.close)
 
222
        file2 = open('testdir1/target.tar.gz', 'r')
 
223
        self.addCleanup(file2.close)
 
224
        content1 = file1.read()
 
225
        content2 = file2.read()
 
226
        self.assertEqualDiff(content1, content2)
 
227
        # the gzip module doesn't have a way to read back to the original
 
228
        # filename, but it's stored as-is in the tarfile.
 
229
        self.assertFalse("testdir1" in content1)
 
230
        self.assertFalse("target.tar.gz" in content1)
 
231
        self.assertTrue("target.tar" in content1)
 
232
 
 
233
    def test_tbz2(self):
 
234
        wt = self.make_branch_and_tree('.')
 
235
        self.build_tree(['a'])
 
236
        wt.add(["a"])
 
237
        wt.commit("1")
 
238
        export.export(wt, 'target.tar.bz2', format="tbz2")
 
239
        tf = tarfile.open('target.tar.bz2')
 
240
        self.assertEqual(["target/a"], tf.getnames())
 
241
 
 
242
    def test_xz_stdout(self):
 
243
        wt = self.make_branch_and_tree('.')
 
244
        self.assertRaises(errors.BzrError, export.export, wt, '-',
 
245
            format="txz")
 
246
 
 
247
    def test_export_tarball_generator(self):
 
248
        wt = self.make_branch_and_tree('.')
 
249
        self.build_tree(['a'])
 
250
        wt.add(["a"])
 
251
        wt.commit("1", timestamp=42)
 
252
        target = BytesIO()
 
253
        ball = tarfile.open(None, "w|", target)
 
254
        wt.lock_read()
 
255
        try:
 
256
            for _ in export_tarball_generator(wt, ball, "bar"):
 
257
                pass
 
258
        finally:
 
259
            wt.unlock()
 
260
        # Ball should now be closed.
 
261
        target.seek(0)
 
262
        ball2 = tarfile.open(None, "r", target)
 
263
        self.addCleanup(ball2.close)
 
264
        self.assertEqual(["bar/a"], ball2.getnames())
 
265
 
 
266
 
 
267
class ZipExporterTests(tests.TestCaseWithTransport):
 
268
 
 
269
    def test_per_file_timestamps(self):
 
270
        tree = self.make_branch_and_tree('.')
 
271
        self.build_tree_contents([('har', 'foo')])
 
272
        tree.add('har')
 
273
        # Earliest allowable date on FAT32 filesystems is 1980-01-01
 
274
        timestamp = 347151600
 
275
        tree.commit('setup', timestamp=timestamp)
 
276
        export.export(tree.basis_tree(), 'test.zip', format='zip',
 
277
            per_file_timestamps=True)
 
278
        zfile = zipfile.ZipFile('test.zip')
 
279
        info = zfile.getinfo("test/har")
 
280
        self.assertEqual(time.localtime(timestamp)[:6], info.date_time)
 
281
 
 
282
 
 
283
class RootNameTests(tests.TestCase):
 
284
 
 
285
    def test_root_name(self):
 
286
        self.assertEqual('mytest', get_root_name('../mytest.tar'))
 
287
        self.assertEqual('mytar', get_root_name('mytar.tar'))
 
288
        self.assertEqual('mytar', get_root_name('mytar.tar.bz2'))
 
289
        self.assertEqual('tar.tar.tar', get_root_name('tar.tar.tar.tgz'))
 
290
        self.assertEqual('bzr-0.0.5', get_root_name('bzr-0.0.5.tar.gz'))
 
291
        self.assertEqual('bzr-0.0.5', get_root_name('bzr-0.0.5.zip'))
 
292
        self.assertEqual('bzr-0.0.5', get_root_name('bzr-0.0.5'))
 
293
        self.assertEqual('mytar', get_root_name('a/long/path/mytar.tgz'))
 
294
        self.assertEqual('other',
 
295
            get_root_name('../parent/../dir/other.tbz2'))
 
296
        self.assertEqual('', get_root_name('-'))