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Viewing changes to tests/upstream_import.py

  • Committer: Aaron Bentley
  • Date: 2006-12-04 14:32:43 UTC
  • Revision ID: abentley@panoramicfeedback.com-20061204143243-i28ph41mdgbsofev
Fixed handling of pipe errors when writing to patch

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tests/upstream_import.py
1
 
import os
2
 
from StringIO import StringIO
3
 
from shutil import rmtree, copy2, copytree
4
 
import tarfile
5
 
import tempfile
6
 
from unittest import makeSuite
7
 
 
8
 
from bzrlib import (
9
 
    osutils,
10
 
    revision as _mod_revision,
11
 
    transform
12
 
    )
13
 
from bzrlib.bzrdir import BzrDir
14
 
from bzrlib.export.tar_exporter import export_tarball
15
 
from bzrlib.plugins.bzrtools.upstream_import import (
16
 
    common_directory,
17
 
    import_archive,
18
 
    import_tar,
19
 
    import_zip,
20
 
    import_dir,
21
 
    top_path,
22
 
    ZipFileWrapper,
23
 
)
24
 
from bzrlib.tests import (
25
 
    TestCaseInTempDir,
26
 
    TestCaseWithTransport,
27
 
    UnicodeFilenameFeature,
28
 
    )
29
 
 
30
 
 
31
 
def import_tar_broken(tree, tar_input):
32
 
    """
33
 
    Import a tarfile with names that that end in //, e.g. Feisty Python 2.5
34
 
    """
35
 
    tar_file = tarfile.open('lala', 'r', tar_input)
36
 
    for member in tar_file.members:
37
 
        if member.name.endswith('/'):
38
 
            member.name += '/'
39
 
    import_archive(tree, tar_file)
40
 
 
41
 
 
42
 
class DirFileWriter(object):
43
 
 
44
 
    def __init__(self, fileobj, mode):
45
 
        # We may be asked to 'append'.  If so, fileobj already has a path.
46
 
        # So we copy the existing tree, and overwrite afterward.
47
 
        fileobj.seek(0)
48
 
        existing = fileobj.read()
49
 
        fileobj.seek(0)
50
 
        path = tempfile.mkdtemp(dir=os.getcwd())
51
 
        if existing != '':
52
 
            # copytree requires the directory not to exist
53
 
            os.rmdir(path)
54
 
            copytree(existing, path)
55
 
        fileobj.write(path)
56
 
        self.root = path
57
 
 
58
 
    def add(self, path):
59
 
        target_path = os.path.join(self.root, path)
60
 
        parent = osutils.dirname(target_path)
61
 
        if not os.path.exists(parent):
62
 
            os.makedirs(parent)
63
 
        kind = osutils.file_kind(path)
64
 
        if kind == 'file':
65
 
            copy2(path, target_path)
66
 
        if kind == 'directory':
67
 
            os.mkdir(target_path)
68
 
 
69
 
    def close(self):
70
 
        pass
71
 
 
72
 
 
73
 
class TestImport(TestCaseInTempDir):
74
 
 
75
 
    def make_tar(self, mode='w'):
76
 
        def maker(fileobj):
77
 
            return tarfile.open('project-0.1.tar', mode, fileobj)
78
 
        return self.make_archive(maker)
79
 
 
80
 
    def make_archive(self, maker, subdir=True):
81
 
        result = StringIO()
82
 
        archive_file = maker(result)
83
 
        try:
84
 
            os.mkdir('project-0.1')
85
 
            if subdir:
86
 
                prefix='project-0.1/'
87
 
                archive_file.add('project-0.1')
88
 
            else:
89
 
                prefix=''
90
 
                os.chdir('project-0.1')
91
 
            os.mkdir(prefix + 'junk')
92
 
            archive_file.add(prefix + 'junk')
93
 
 
94
 
            f = file(prefix + 'README', 'wb')
95
 
            f.write('What?')
96
 
            f.close()
97
 
            archive_file.add(prefix + 'README')
98
 
 
99
 
            f = file(prefix + 'FEEDME', 'wb')
100
 
            f.write('Hungry!!')
101
 
            f.close()
102
 
            archive_file.add(prefix + 'FEEDME')
103
 
 
104
 
            archive_file.close()
105
 
        finally:
106
 
            if not subdir:
107
 
                os.chdir('..')
108
 
            rmtree('project-0.1')
109
 
        result.seek(0)
110
 
        return result
111
 
 
112
 
    def make_archive2(self, builder, subdir):
113
 
        result = StringIO()
114
 
        archive_file = builder(result)
115
 
        os.mkdir('project-0.2')
116
 
        try:
117
 
            if subdir:
118
 
                prefix='project-0.2/'
119
 
                archive_file.add('project-0.2')
120
 
            else:
121
 
                prefix=''
122
 
                os.chdir('project-0.2')
123
 
 
124
 
            os.mkdir(prefix + 'junk')
125
 
            archive_file.add(prefix + 'junk')
126
 
 
127
 
            f = file(prefix + 'README', 'wb')
128
 
            f.write('Now?')
129
 
            f.close()
130
 
            archive_file.add(prefix + 'README')
131
 
 
132
 
            f = file(prefix + 'README', 'wb')
133
 
            f.write('Wow?')
134
 
            f.close()
135
 
            # Add a second entry for README with different contents.
136
 
            archive_file.add(prefix + 'README')
137
 
            archive_file.close()
138
 
 
139
 
        finally:
140
 
            if not subdir:
141
 
                os.chdir('..')
142
 
        result.seek(0)
143
 
        return result
144
 
 
145
 
    def make_messed_tar(self):
146
 
        result = StringIO()
147
 
        tar_file = tarfile.open('project-0.1.tar', 'w', result)
148
 
        os.mkdir('project-0.1')
149
 
        tar_file.add('project-0.1')
150
 
 
151
 
        os.mkdir('project-0.2')
152
 
        tar_file.add('project-0.2')
153
 
 
154
 
        f = file('project-0.1/README', 'wb')
155
 
        f.write('What?')
156
 
        f.close()
157
 
        tar_file.add('project-0.1/README')
158
 
        tar_file.close()
159
 
        rmtree('project-0.1')
160
 
        result.seek(0)
161
 
        return result
162
 
 
163
 
    def make_zip(self):
164
 
        def maker(fileobj):
165
 
            return ZipFileWrapper(fileobj, 'w')
166
 
        return self.make_archive(maker)
167
 
 
168
 
    def make_tar_with_bzrdir(self):
169
 
        result = StringIO()
170
 
        tar_file = tarfile.open('tar-with-bzrdir.tar', 'w', result)
171
 
        os.mkdir('toplevel-dir')
172
 
        tar_file.add('toplevel-dir')
173
 
        os.mkdir('toplevel-dir/.bzr')
174
 
        tar_file.add('toplevel-dir/.bzr')
175
 
        tar_file.close()
176
 
        rmtree('toplevel-dir')
177
 
        result.seek(0)
178
 
        return result
179
 
 
180
 
    def test_top_path(self):
181
 
        self.assertEqual(top_path('ab/b/c'), 'ab')
182
 
        self.assertEqual(top_path('etc'), 'etc')
183
 
        self.assertEqual(top_path('project-0.1'), 'project-0.1')
184
 
 
185
 
    def test_common_directory(self):
186
 
        self.assertEqual(common_directory(['ab/c/d', 'ab/c/e']), 'ab')
187
 
        self.assertIs(common_directory(['ab/c/d', 'ac/c/e']), None)
188
 
        self.assertEqual('FEEDME', common_directory(['FEEDME']))
189
 
 
190
 
    def test_untar(self):
191
 
        def builder(fileobj, mode='w'):
192
 
            return tarfile.open('project-0.1.tar', mode, fileobj)
193
 
        self.archive_test(builder, import_tar)
194
 
 
195
 
    def test_broken_tar(self):
196
 
        def builder(fileobj, mode='w'):
197
 
            return tarfile.open('project-0.1.tar', mode, fileobj)
198
 
        self.archive_test(builder, import_tar_broken, subdir=True)
199
 
 
200
 
    def test_unzip(self):
201
 
        def builder(fileobj, mode='w'):
202
 
            return ZipFileWrapper(fileobj, mode)
203
 
        self.archive_test(builder, import_zip)
204
 
 
205
 
    def test_copydir_nosub(self):
206
 
        def builder(fileobj, mode='w'):
207
 
            return DirFileWriter(fileobj, mode)
208
 
        # It would be bogus to test with the result in a subdirectory,
209
 
        # because for directories, the input root is always the output root.
210
 
        self.archive_test(builder, import_dir)
211
 
 
212
 
    def archive_test(self, builder, importer, subdir=False):
213
 
        archive_file = self.make_archive(builder, subdir)
214
 
        tree = BzrDir.create_standalone_workingtree('tree')
215
 
        tree.lock_write()
216
 
        try:
217
 
            importer(tree, archive_file)
218
 
            self.assertTrue(tree.path2id('README') is not None)
219
 
            self.assertTrue(tree.path2id('FEEDME') is not None)
220
 
            self.assertTrue(os.path.isfile(tree.abspath('README')))
221
 
            self.assertEqual(tree.inventory[tree.path2id('README')].kind,
222
 
                'file')
223
 
            self.assertEqual(tree.inventory[tree.path2id('FEEDME')].kind,
224
 
                'file')
225
 
            f = file(tree.abspath('junk/food'), 'wb')
226
 
            f.write('I like food\n')
227
 
            f.close()
228
 
 
229
 
            archive_file = self.make_archive2(builder, subdir)
230
 
            importer(tree, archive_file)
231
 
            self.assertTrue(tree.path2id('README') is not None)
232
 
            # Ensure the second version of the file is used.
233
 
            self.assertEqual(tree.get_file_text(tree.path2id('README')),
234
 
                             'Wow?')
235
 
            self.assertTrue(not os.path.exists(tree.abspath('FEEDME')))
236
 
        finally:
237
 
            tree.unlock()
238
 
 
239
 
 
240
 
    def test_untar2(self):
241
 
        tar_file = self.make_messed_tar()
242
 
        tree = BzrDir.create_standalone_workingtree('tree')
243
 
        import_tar(tree, tar_file)
244
 
        self.assertTrue(tree.path2id('project-0.1/README') is not None)
245
 
 
246
 
    def test_untar_gzip(self):
247
 
        tar_file = self.make_tar(mode='w:gz')
248
 
        tree = BzrDir.create_standalone_workingtree('tree')
249
 
        import_tar(tree, tar_file)
250
 
        self.assertTrue(tree.path2id('README') is not None)
251
 
 
252
 
    def test_no_crash_with_bzrdir(self):
253
 
        tar_file = self.make_tar_with_bzrdir()
254
 
        tree = BzrDir.create_standalone_workingtree('tree')
255
 
        import_tar(tree, tar_file)
256
 
        # So long as it did not crash, that should be ok
257
 
 
258
 
 
259
 
class TestWithStuff(TestCaseWithTransport):
260
 
 
261
 
    def transform_to_tar(self, tt):
262
 
        stream = StringIO()
263
 
        tarball = tarfile.open(None, 'w|', stream)
264
 
        export_tarball(tt.get_preview_tree(), tarball, '')
265
 
        return stream
266
 
 
267
 
    def get_empty_tt(self):
268
 
        b = self.make_repository('foo')
269
 
        null_tree = b.revision_tree(_mod_revision.NULL_REVISION)
270
 
        tt = transform.TransformPreview(null_tree)
271
 
        root = tt.new_directory('', transform.ROOT_PARENT, 'tree-root')
272
 
        tt.fixup_new_roots()
273
 
        self.addCleanup(tt.finalize)
274
 
        return tt
275
 
 
276
 
    def test_nonascii_paths(self):
277
 
        self.requireFeature(UnicodeFilenameFeature)
278
 
        tt = self.get_empty_tt()
279
 
        encoded_file = tt.new_file(
280
 
            u'\u1234file', tt.root, 'contents', 'new-file')
281
 
        encoded_file = tt.new_file(
282
 
            'other', tt.root, 'contents', 'other-file')
283
 
        tarfile = self.transform_to_tar(tt)
284
 
        tarfile.seek(0)
285
 
        tree = self.make_branch_and_tree('bar')
286
 
        import_tar(tree, tarfile)
287
 
        self.assertPathExists(u'bar/\u1234file')
288
 
 
289
 
 
290
 
def test_suite():
291
 
    return makeSuite(TestImport)