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Viewing changes to breezy/tests/test_export.py

  • Committer: Jelmer Vernooij
  • Date: 2019-06-03 23:48:08 UTC
  • mfrom: (7316 work)
  • mto: This revision was merged to the branch mainline in revision 7328.
  • Revision ID: jelmer@jelmer.uk-20190603234808-15yk5c7054tj8e2b
Merge trunk.

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breezy/tests/test_export.py
 
1
# Copyright (C) 2009, 2010, 2011, 2016 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
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
#
 
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.
 
12
#
 
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
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
"""Tests for breezy.export."""
 
18
 
 
19
import gzip
 
20
import os
 
21
import tarfile
 
22
import time
 
23
import zipfile
 
24
 
 
25
from .. import (
 
26
    errors,
 
27
    export,
 
28
    tests,
 
29
    )
 
30
from ..export import get_root_name
 
31
from ..archive.tar import tarball_generator
 
32
from ..sixish import (
 
33
    BytesIO,
 
34
    )
 
35
from . import features
 
36
 
 
37
 
 
38
class TestDirExport(tests.TestCaseWithTransport):
 
39
 
 
40
    def test_missing_file(self):
 
41
        self.build_tree(['a/', 'a/b', 'a/c'])
 
42
        wt = self.make_branch_and_tree('.')
 
43
        wt.add(['a', 'a/b', 'a/c'])
 
44
        os.unlink('a/c')
 
45
        export.export(wt, 'target', format="dir")
 
46
        self.assertPathExists('target/a/b')
 
47
        self.assertPathDoesNotExist('target/a/c')
 
48
 
 
49
    def test_empty(self):
 
50
        wt = self.make_branch_and_tree('.')
 
51
        export.export(wt, 'target', format="dir")
 
52
        self.assertEqual([], os.listdir("target"))
 
53
 
 
54
    def test_symlink(self):
 
55
        self.requireFeature(features.SymlinkFeature)
 
56
        wt = self.make_branch_and_tree('.')
 
57
        os.symlink('source', 'link')
 
58
        wt.add(['link'])
 
59
        export.export(wt, 'target', format="dir")
 
60
        self.assertPathExists('target/link')
 
61
 
 
62
    def test_nested_tree(self):
 
63
        wt = self.make_branch_and_tree('.', format='development-subtree')
 
64
        subtree = self.make_branch_and_tree('subtree')
 
65
        self.build_tree(['subtree/file'])
 
66
        subtree.add(['file'])
 
67
        wt.add(['subtree'])
 
68
        export.export(wt, 'target', format="dir")
 
69
        self.assertPathExists('target/subtree')
 
70
        # TODO(jelmer): Once iter_entries_by_dir supports nested tree iteration:
 
71
        # self.assertPathExists('target/subtree/file')
 
72
 
 
73
    def test_to_existing_empty_dir_success(self):
 
74
        self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
 
75
        wt = self.make_branch_and_tree('source')
 
76
        wt.add(['a', 'b', 'b/c'])
 
77
        wt.commit('1')
 
78
        self.build_tree(['target/'])
 
79
        export.export(wt, 'target', format="dir")
 
80
        self.assertPathExists('target/a')
 
81
        self.assertPathExists('target/b')
 
82
        self.assertPathExists('target/b/c')
 
83
 
 
84
    def test_empty_subdir(self):
 
85
        self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
 
86
        wt = self.make_branch_and_tree('source')
 
87
        wt.add(['a', 'b', 'b/c'])
 
88
        wt.commit('1')
 
89
        self.build_tree(['target/'])
 
90
        export.export(wt, 'target', format="dir", subdir='')
 
91
        self.assertPathExists('target/a')
 
92
        self.assertPathExists('target/b')
 
93
        self.assertPathExists('target/b/c')
 
94
 
 
95
    def test_to_existing_nonempty_dir_fail(self):
 
96
        self.build_tree(['source/', 'source/a', 'source/b/', 'source/b/c'])
 
97
        wt = self.make_branch_and_tree('source')
 
98
        wt.add(['a', 'b', 'b/c'])
 
99
        wt.commit('1')
 
100
        self.build_tree(['target/', 'target/foo'])
 
101
        self.assertRaises(errors.BzrError,
 
102
                          export.export, wt, 'target', format="dir")
 
103
 
 
104
    def test_existing_single_file(self):
 
105
        self.build_tree([
 
106
            'dir1/', 'dir1/dir2/', 'dir1/first', 'dir1/dir2/second'])
 
107
        wtree = self.make_branch_and_tree('dir1')
 
108
        wtree.add(['dir2', 'first', 'dir2/second'])
 
109
        wtree.commit('1')
 
110
        export.export(wtree, 'target1', format='dir', subdir='first')
 
111
        self.assertPathExists('target1/first')
 
112
        export.export(wtree, 'target2', format='dir', subdir='dir2/second')
 
113
        self.assertPathExists('target2/second')
 
114
 
 
115
    def test_files_same_timestamp(self):
 
116
        builder = self.make_branch_builder('source')
 
117
        builder.start_series()
 
118
        builder.build_snapshot(None, [
 
119
            ('add', ('', b'root-id', 'directory', '')),
 
120
            ('add', ('a', b'a-id', 'file', b'content\n'))])
 
121
        builder.build_snapshot(None, [
 
122
            ('add', ('b', b'b-id', 'file', b'content\n'))])
 
123
        builder.finish_series()
 
124
        b = builder.get_branch()
 
125
        b.lock_read()
 
126
        self.addCleanup(b.unlock)
 
127
        tree = b.basis_tree()
 
128
        orig_iter_files_bytes = tree.iter_files_bytes
 
129
 
 
130
        # Make iter_files_bytes slower, so we provoke mtime skew
 
131
        def iter_files_bytes(to_fetch):
 
132
            for thing in orig_iter_files_bytes(to_fetch):
 
133
                yield thing
 
134
                time.sleep(1)
 
135
        tree.iter_files_bytes = iter_files_bytes
 
136
        export.export(tree, 'target', format='dir')
 
137
        t = self.get_transport('target')
 
138
        st_a = t.stat('a')
 
139
        st_b = t.stat('b')
 
140
        # All files must be given the same mtime.
 
141
        self.assertEqual(st_a.st_mtime, st_b.st_mtime)
 
142
 
 
143
    def test_files_per_file_timestamps(self):
 
144
        builder = self.make_branch_builder('source')
 
145
        builder.start_series()
 
146
        # Earliest allowable date on FAT32 filesystems is 1980-01-01
 
147
        a_time = time.mktime((1999, 12, 12, 0, 0, 0, 0, 0, 0))
 
148
        b_time = time.mktime((1980, 0o1, 0o1, 0, 0, 0, 0, 0, 0))
 
149
        builder.build_snapshot(None, [
 
150
            ('add', ('', b'root-id', 'directory', '')),
 
151
            ('add', ('a', b'a-id', 'file', b'content\n'))],
 
152
            timestamp=a_time)
 
153
        builder.build_snapshot(None, [
 
154
            ('add', ('b', b'b-id', 'file', b'content\n'))],
 
155
            timestamp=b_time)
 
156
        builder.finish_series()
 
157
        b = builder.get_branch()
 
158
        b.lock_read()
 
159
        self.addCleanup(b.unlock)
 
160
        tree = b.basis_tree()
 
161
        export.export(tree, 'target', format='dir', per_file_timestamps=True)
 
162
        t = self.get_transport('target')
 
163
        self.assertEqual(a_time, t.stat('a').st_mtime)
 
164
        self.assertEqual(b_time, t.stat('b').st_mtime)
 
165
 
 
166
    def test_subdir_files_per_timestamps(self):
 
167
        builder = self.make_branch_builder('source')
 
168
        builder.start_series()
 
169
        foo_time = time.mktime((1999, 12, 12, 0, 0, 0, 0, 0, 0))
 
170
        builder.build_snapshot(None, [
 
171
            ('add', ('', b'root-id', 'directory', '')),
 
172
            ('add', ('subdir', b'subdir-id', 'directory', '')),
 
173
            ('add', ('subdir/foo.txt', b'foo-id', 'file', b'content\n'))],
 
174
            timestamp=foo_time)
 
175
        builder.finish_series()
 
176
        b = builder.get_branch()
 
177
        b.lock_read()
 
178
        self.addCleanup(b.unlock)
 
179
        tree = b.basis_tree()
 
180
        export.export(tree, 'target', format='dir', subdir='subdir',
 
181
                      per_file_timestamps=True)
 
182
        t = self.get_transport('target')
 
183
        self.assertEqual(foo_time, t.stat('foo.txt').st_mtime)
 
184
 
 
185
 
 
186
class TarExporterTests(tests.TestCaseWithTransport):
 
187
 
 
188
    def test_xz(self):
 
189
        self.requireFeature(features.lzma)
 
190
        import lzma
 
191
        wt = self.make_branch_and_tree('.')
 
192
        self.build_tree(['a'])
 
193
        wt.add(["a"])
 
194
        wt.commit("1")
 
195
        export.export(wt, 'target.tar.xz', format="txz")
 
196
        tf = tarfile.open(fileobj=lzma.LZMAFile('target.tar.xz'))
 
197
        self.assertEqual(["target/a"], tf.getnames())
 
198
 
 
199
    def test_lzma(self):
 
200
        self.requireFeature(features.lzma)
 
201
        import lzma
 
202
        wt = self.make_branch_and_tree('.')
 
203
        self.build_tree(['a'])
 
204
        wt.add(["a"])
 
205
        wt.commit("1")
 
206
        export.export(wt, 'target.tar.lzma', format="tlzma")
 
207
        tf = tarfile.open(fileobj=lzma.LZMAFile('target.tar.lzma'))
 
208
        self.assertEqual(["target/a"], tf.getnames())
 
209
 
 
210
    def test_tgz(self):
 
211
        wt = self.make_branch_and_tree('.')
 
212
        self.build_tree(['a'])
 
213
        wt.add(["a"])
 
214
        wt.commit("1")
 
215
        export.export(wt, 'target.tar.gz', format="tgz")
 
216
        tf = tarfile.open('target.tar.gz')
 
217
        self.assertEqual(["target/a"], tf.getnames())
 
218
 
 
219
    def test_tgz_consistent_mtime(self):
 
220
        wt = self.make_branch_and_tree('.')
 
221
        self.build_tree(['a'])
 
222
        wt.add(["a"])
 
223
        timestamp = 1547400500
 
224
        revid = wt.commit("1", timestamp=timestamp)
 
225
        revtree = wt.branch.repository.revision_tree(revid)
 
226
        export.export(revtree, 'target.tar.gz', format="tgz")
 
227
        with gzip.GzipFile('target.tar.gz', 'r') as f:
 
228
            f.read()
 
229
            self.assertEqual(int(f.mtime), timestamp)
 
230
 
 
231
    def test_tgz_ignores_dest_path(self):
 
232
        # The target path should not be a part of the target file.
 
233
        # (bug #102234)
 
234
        wt = self.make_branch_and_tree('.')
 
235
        self.build_tree(['a'])
 
236
        wt.add(["a"])
 
237
        wt.commit("1")
 
238
        os.mkdir("testdir1")
 
239
        os.mkdir("testdir2")
 
240
        export.export(wt, 'testdir1/target.tar.gz', format="tgz",
 
241
                      per_file_timestamps=True)
 
242
        export.export(wt, 'testdir2/target.tar.gz', format="tgz",
 
243
                      per_file_timestamps=True)
 
244
        file1 = open('testdir1/target.tar.gz', 'rb')
 
245
        self.addCleanup(file1.close)
 
246
        file2 = open('testdir1/target.tar.gz', 'rb')
 
247
        self.addCleanup(file2.close)
 
248
        content1 = file1.read()
 
249
        content2 = file2.read()
 
250
        self.assertEqualDiff(content1, content2)
 
251
        # the gzip module doesn't have a way to read back to the original
 
252
        # filename, but it's stored as-is in the tarfile.
 
253
        self.assertFalse(b"testdir1" in content1)
 
254
        self.assertFalse(b"target.tar.gz" in content1)
 
255
        self.assertTrue(b"target.tar" in content1)
 
256
 
 
257
    def test_tbz2(self):
 
258
        wt = self.make_branch_and_tree('.')
 
259
        self.build_tree(['a'])
 
260
        wt.add(["a"])
 
261
        wt.commit("1")
 
262
        export.export(wt, 'target.tar.bz2', format="tbz2")
 
263
        tf = tarfile.open('target.tar.bz2')
 
264
        self.assertEqual(["target/a"], tf.getnames())
 
265
 
 
266
    def test_export_tarball_generator(self):
 
267
        wt = self.make_branch_and_tree('.')
 
268
        self.build_tree(['a'])
 
269
        wt.add(["a"])
 
270
        wt.commit("1", timestamp=42)
 
271
        target = BytesIO()
 
272
        with wt.lock_read():
 
273
            target.writelines(tarball_generator(wt, "bar"))
 
274
        # Ball should now be closed.
 
275
        target.seek(0)
 
276
        ball2 = tarfile.open(None, "r", target)
 
277
        self.addCleanup(ball2.close)
 
278
        self.assertEqual(["bar/a"], ball2.getnames())
 
279
 
 
280
 
 
281
class ZipExporterTests(tests.TestCaseWithTransport):
 
282
 
 
283
    def test_per_file_timestamps(self):
 
284
        tree = self.make_branch_and_tree('.')
 
285
        self.build_tree_contents([('har', b'foo')])
 
286
        tree.add('har')
 
287
        # Earliest allowable date on FAT32 filesystems is 1980-01-01
 
288
        timestamp = 347151600
 
289
        tree.commit('setup', timestamp=timestamp)
 
290
        export.export(tree.basis_tree(), 'test.zip', format='zip',
 
291
                      per_file_timestamps=True)
 
292
        zfile = zipfile.ZipFile('test.zip')
 
293
        info = zfile.getinfo("test/har")
 
294
        self.assertEqual(time.localtime(timestamp)[:6], info.date_time)
 
295
 
 
296
 
 
297
class RootNameTests(tests.TestCase):
 
298
 
 
299
    def test_root_name(self):
 
300
        self.assertEqual('mytest', get_root_name('../mytest.tar'))
 
301
        self.assertEqual('mytar', get_root_name('mytar.tar'))
 
302
        self.assertEqual('mytar', get_root_name('mytar.tar.bz2'))
 
303
        self.assertEqual('tar.tar.tar', get_root_name('tar.tar.tar.tgz'))
 
304
        self.assertEqual('bzr-0.0.5', get_root_name('bzr-0.0.5.tar.gz'))
 
305
        self.assertEqual('bzr-0.0.5', get_root_name('bzr-0.0.5.zip'))
 
306
        self.assertEqual('bzr-0.0.5', get_root_name('bzr-0.0.5'))
 
307
        self.assertEqual('mytar', get_root_name('a/long/path/mytar.tgz'))
 
308
        self.assertEqual('other',
 
309
                         get_root_name('../parent/../dir/other.tbz2'))
 
310
        self.assertEqual('', get_root_name('-'))