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Viewing changes to tests/upstream_import.py

  • Committer: Aaron Bentley
  • Date: 2005-12-14 14:33:05 UTC
  • Revision ID: abentley@panoramicfeedback.com-20051214143305-42718d97f27c03bd
Avoided leaving junk all over the place when running standalone tests.

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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 import errors
16
 
from bzrlib.plugins.bzrtools.upstream_import import (
17
 
    common_directory,
18
 
    get_archive_type,
19
 
    import_archive,
20
 
    import_tar,
21
 
    import_zip,
22
 
    import_dir,
23
 
    top_path,
24
 
    ZipFileWrapper,
25
 
)
26
 
from bzrlib.tests import (
27
 
    TestCaseInTempDir,
28
 
    TestCaseWithTransport,
29
 
    UnicodeFilenameFeature,
30
 
    )
31
 
 
32
 
 
33
 
def import_tar_broken(tree, tar_input):
34
 
    """
35
 
    Import a tarfile with names that that end in //, e.g. Feisty Python 2.5
36
 
    """
37
 
    tar_file = tarfile.open('lala', 'r', tar_input)
38
 
    for member in tar_file.members:
39
 
        if member.name.endswith('/'):
40
 
            member.name += '/'
41
 
    import_archive(tree, tar_file)
42
 
 
43
 
 
44
 
class DirFileWriter(object):
45
 
 
46
 
    def __init__(self, fileobj, mode):
47
 
        # We may be asked to 'append'.  If so, fileobj already has a path.
48
 
        # So we copy the existing tree, and overwrite afterward.
49
 
        fileobj.seek(0)
50
 
        existing = fileobj.read()
51
 
        fileobj.seek(0)
52
 
        path = tempfile.mkdtemp(dir=os.getcwd())
53
 
        if existing != '':
54
 
            # copytree requires the directory not to exist
55
 
            os.rmdir(path)
56
 
            copytree(existing, path)
57
 
        fileobj.write(path)
58
 
        self.root = path
59
 
 
60
 
    def add(self, path):
61
 
        target_path = os.path.join(self.root, path)
62
 
        parent = osutils.dirname(target_path)
63
 
        if not os.path.exists(parent):
64
 
            os.makedirs(parent)
65
 
        kind = osutils.file_kind(path)
66
 
        if kind == 'file':
67
 
            copy2(path, target_path)
68
 
        if kind == 'directory':
69
 
            os.mkdir(target_path)
70
 
 
71
 
    def close(self):
72
 
        pass
73
 
 
74
 
 
75
 
class TestImport(TestCaseInTempDir):
76
 
 
77
 
    def make_tar(self, mode='w'):
78
 
        def maker(fileobj):
79
 
            return tarfile.open('project-0.1.tar', mode, fileobj)
80
 
        return self.make_archive(maker)
81
 
 
82
 
    def make_archive(self, maker, subdir=True):
83
 
        result = StringIO()
84
 
        archive_file = maker(result)
85
 
        try:
86
 
            os.mkdir('project-0.1')
87
 
            if subdir:
88
 
                prefix='project-0.1/'
89
 
                archive_file.add('project-0.1')
90
 
            else:
91
 
                prefix=''
92
 
                os.chdir('project-0.1')
93
 
            os.mkdir(prefix + 'junk')
94
 
            archive_file.add(prefix + 'junk')
95
 
 
96
 
            f = file(prefix + 'README', 'wb')
97
 
            f.write('What?')
98
 
            f.close()
99
 
            archive_file.add(prefix + 'README')
100
 
 
101
 
            f = file(prefix + 'FEEDME', 'wb')
102
 
            f.write('Hungry!!')
103
 
            f.close()
104
 
            archive_file.add(prefix + 'FEEDME')
105
 
 
106
 
            archive_file.close()
107
 
        finally:
108
 
            if not subdir:
109
 
                os.chdir('..')
110
 
            rmtree('project-0.1')
111
 
        result.seek(0)
112
 
        return result
113
 
 
114
 
    def make_archive2(self, builder, subdir):
115
 
        result = StringIO()
116
 
        archive_file = builder(result)
117
 
        os.mkdir('project-0.2')
118
 
        try:
119
 
            if subdir:
120
 
                prefix='project-0.2/'
121
 
                archive_file.add('project-0.2')
122
 
            else:
123
 
                prefix=''
124
 
                os.chdir('project-0.2')
125
 
 
126
 
            os.mkdir(prefix + 'junk')
127
 
            archive_file.add(prefix + 'junk')
128
 
 
129
 
            f = file(prefix + 'README', 'wb')
130
 
            f.write('Now?')
131
 
            f.close()
132
 
            archive_file.add(prefix + 'README')
133
 
 
134
 
            f = file(prefix + 'README', 'wb')
135
 
            f.write('Wow?')
136
 
            f.close()
137
 
            # Add a second entry for README with different contents.
138
 
            archive_file.add(prefix + 'README')
139
 
            archive_file.close()
140
 
 
141
 
        finally:
142
 
            if not subdir:
143
 
                os.chdir('..')
144
 
        result.seek(0)
145
 
        return result
146
 
 
147
 
    def make_messed_tar(self):
148
 
        result = StringIO()
149
 
        tar_file = tarfile.open('project-0.1.tar', 'w', result)
150
 
        os.mkdir('project-0.1')
151
 
        tar_file.add('project-0.1')
152
 
 
153
 
        os.mkdir('project-0.2')
154
 
        tar_file.add('project-0.2')
155
 
 
156
 
        f = file('project-0.1/README', 'wb')
157
 
        f.write('What?')
158
 
        f.close()
159
 
        tar_file.add('project-0.1/README')
160
 
        tar_file.close()
161
 
        rmtree('project-0.1')
162
 
        result.seek(0)
163
 
        return result
164
 
 
165
 
    def make_zip(self):
166
 
        def maker(fileobj):
167
 
            return ZipFileWrapper(fileobj, 'w')
168
 
        return self.make_archive(maker)
169
 
 
170
 
    def make_tar_with_bzrdir(self):
171
 
        result = StringIO()
172
 
        tar_file = tarfile.open('tar-with-bzrdir.tar', 'w', result)
173
 
        os.mkdir('toplevel-dir')
174
 
        tar_file.add('toplevel-dir')
175
 
        os.mkdir('toplevel-dir/.bzr')
176
 
        tar_file.add('toplevel-dir/.bzr')
177
 
        tar_file.close()
178
 
        rmtree('toplevel-dir')
179
 
        result.seek(0)
180
 
        return result
181
 
 
182
 
    def test_top_path(self):
183
 
        self.assertEqual(top_path('ab/b/c'), 'ab')
184
 
        self.assertEqual(top_path('etc'), 'etc')
185
 
        self.assertEqual(top_path('project-0.1'), 'project-0.1')
186
 
 
187
 
    def test_common_directory(self):
188
 
        self.assertEqual(common_directory(['ab/c/d', 'ab/c/e']), 'ab')
189
 
        self.assertIs(common_directory(['ab/c/d', 'ac/c/e']), None)
190
 
        self.assertEqual('FEEDME', common_directory(['FEEDME']))
191
 
 
192
 
    def test_untar(self):
193
 
        def builder(fileobj, mode='w'):
194
 
            return tarfile.open('project-0.1.tar', mode, fileobj)
195
 
        self.archive_test(builder, import_tar)
196
 
 
197
 
    def test_broken_tar(self):
198
 
        def builder(fileobj, mode='w'):
199
 
            return tarfile.open('project-0.1.tar', mode, fileobj)
200
 
        self.archive_test(builder, import_tar_broken, subdir=True)
201
 
 
202
 
    def test_unzip(self):
203
 
        def builder(fileobj, mode='w'):
204
 
            return ZipFileWrapper(fileobj, mode)
205
 
        self.archive_test(builder, import_zip)
206
 
 
207
 
    def test_copydir_nosub(self):
208
 
        def builder(fileobj, mode='w'):
209
 
            return DirFileWriter(fileobj, mode)
210
 
        # It would be bogus to test with the result in a subdirectory,
211
 
        # because for directories, the input root is always the output root.
212
 
        self.archive_test(builder, import_dir)
213
 
 
214
 
    def archive_test(self, builder, importer, subdir=False):
215
 
        archive_file = self.make_archive(builder, subdir)
216
 
        tree = BzrDir.create_standalone_workingtree('tree')
217
 
        tree.lock_write()
218
 
        try:
219
 
            importer(tree, archive_file)
220
 
            self.assertTrue(tree.path2id('README') is not None)
221
 
            self.assertTrue(tree.path2id('FEEDME') is not None)
222
 
            self.assertTrue(os.path.isfile(tree.abspath('README')))
223
 
            self.assertEqual(tree.inventory[tree.path2id('README')].kind,
224
 
                'file')
225
 
            self.assertEqual(tree.inventory[tree.path2id('FEEDME')].kind,
226
 
                'file')
227
 
            f = file(tree.abspath('junk/food'), 'wb')
228
 
            f.write('I like food\n')
229
 
            f.close()
230
 
 
231
 
            archive_file = self.make_archive2(builder, subdir)
232
 
            importer(tree, archive_file)
233
 
            self.assertTrue(tree.path2id('README') is not None)
234
 
            # Ensure the second version of the file is used.
235
 
            self.assertEqual(tree.get_file_text(tree.path2id('README')),
236
 
                             'Wow?')
237
 
            self.assertTrue(not os.path.exists(tree.abspath('FEEDME')))
238
 
        finally:
239
 
            tree.unlock()
240
 
 
241
 
 
242
 
    def test_untar2(self):
243
 
        tar_file = self.make_messed_tar()
244
 
        tree = BzrDir.create_standalone_workingtree('tree')
245
 
        import_tar(tree, tar_file)
246
 
        self.assertTrue(tree.path2id('project-0.1/README') is not None)
247
 
 
248
 
    def test_untar_gzip(self):
249
 
        tar_file = self.make_tar(mode='w:gz')
250
 
        tree = BzrDir.create_standalone_workingtree('tree')
251
 
        import_tar(tree, tar_file)
252
 
        self.assertTrue(tree.path2id('README') is not None)
253
 
 
254
 
    def test_no_crash_with_bzrdir(self):
255
 
        tar_file = self.make_tar_with_bzrdir()
256
 
        tree = BzrDir.create_standalone_workingtree('tree')
257
 
        import_tar(tree, tar_file)
258
 
        # So long as it did not crash, that should be ok
259
 
 
260
 
    def test_get_archive_type(self):
261
 
        self.assertEqual(('tar', None), get_archive_type('foo.tar'))
262
 
        self.assertEqual(('zip', None), get_archive_type('foo.zip'))
263
 
        self.assertRaises(errors.NotArchiveType, get_archive_type, 'foo.gif')
264
 
        self.assertEqual(('tar', 'gz'), get_archive_type('foo.tar.gz'))
265
 
        self.assertRaises(errors.NotArchiveType, get_archive_type,
266
 
                          'foo.zip.gz')
267
 
        self.assertEqual(('tar', 'gz'), get_archive_type('foo.tgz'))
268
 
        self.assertEqual(('tar', 'lzma'), get_archive_type('foo.tar.lzma'))
269
 
        self.assertEqual(('tar', 'lzma'), get_archive_type('foo.tar.xz'))
270
 
        self.assertEqual(('tar', 'bz2'), get_archive_type('foo.tar.bz2'))
271
 
 
272
 
 
273
 
class TestWithStuff(TestCaseWithTransport):
274
 
 
275
 
    def transform_to_tar(self, tt):
276
 
        stream = StringIO()
277
 
        tarball = tarfile.open(None, 'w|', stream)
278
 
        export_tarball(tt.get_preview_tree(), tarball, '')
279
 
        return stream
280
 
 
281
 
    def get_empty_tt(self):
282
 
        b = self.make_repository('foo')
283
 
        null_tree = b.revision_tree(_mod_revision.NULL_REVISION)
284
 
        tt = transform.TransformPreview(null_tree)
285
 
        root = tt.new_directory('', transform.ROOT_PARENT, 'tree-root')
286
 
        tt.fixup_new_roots()
287
 
        self.addCleanup(tt.finalize)
288
 
        return tt
289
 
 
290
 
    def test_nonascii_paths(self):
291
 
        self.requireFeature(UnicodeFilenameFeature)
292
 
        tt = self.get_empty_tt()
293
 
        encoded_file = tt.new_file(
294
 
            u'\u1234file', tt.root, 'contents', 'new-file')
295
 
        encoded_file = tt.new_file(
296
 
            'other', tt.root, 'contents', 'other-file')
297
 
        tarfile = self.transform_to_tar(tt)
298
 
        tarfile.seek(0)
299
 
        tree = self.make_branch_and_tree('bar')
300
 
        import_tar(tree, tarfile)
301
 
        self.assertPathExists(u'bar/\u1234file')
302
 
 
303
 
 
304
 
def test_suite():
305
 
    return makeSuite(TestImport)