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Viewing changes to tests/upstream_import.py

  • Committer: Aaron Bentley
  • Date: 2011-04-26 23:19:27 UTC
  • Revision ID: aaron@aaronbentley.com-20110426231927-1myzxei9q5gqda41
Eschew tree_files.

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