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Viewing changes to tests/upstream_import.py

  • Committer: Aaron Bentley
  • Date: 2008-01-11 03:01:54 UTC
  • Revision ID: aaron.bentley@utoronto.ca-20080111030154-apm50v0b0tu93prh
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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
 
10
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_directory,
 
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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)
 
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    for member in tar_file.members:
 
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        if member.name.endswith('/'):
 
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            member.name += '/'
 
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    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()
 
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        fileobj.seek(0)
 
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        path = tempfile.mkdtemp(dir=os.getcwd())
 
42
        if existing != '':
 
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            # copytree requires the directory not to exist
 
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            os.rmdir(path)
 
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            copytree(existing, path)
 
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        fileobj.write(path)
 
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        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):
 
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            return tarfile.open('project-0.1.tar', mode, fileobj)
 
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        return self.make_archive(maker)
 
70
 
 
71
    def make_archive(self, maker, subdir=True):
 
72
        result = StringIO()
 
73
        archive_file = maker(result)
 
74
        try:
 
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            os.mkdir('project-0.1')
 
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            if subdir:
 
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                prefix='project-0.1/'
 
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                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:
 
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            if not subdir:
 
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                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()
 
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        archive_file = builder(result)
 
106
        os.mkdir('project-0.2')
 
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        try:
 
108
            if subdir:
 
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                prefix='project-0.2/'
 
110
                archive_file.add('project-0.2')
 
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            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
            archive_file.close()
 
123
 
 
124
            archive_file = builder(result, 'a')
 
125
            archive_file.add(prefix + 'README')
 
126
            archive_file.close()
 
127
 
 
128
        finally:
 
129
            if not subdir:
 
130
                os.chdir('..')
 
131
        result.seek(0)
 
132
        return result
 
133
 
 
134
    def make_messed_tar(self):
 
135
        result = StringIO()
 
136
        tar_file = tarfile.open('project-0.1.tar', 'w', result)
 
137
        os.mkdir('project-0.1')
 
138
        tar_file.add('project-0.1')
 
139
 
 
140
        os.mkdir('project-0.2')
 
141
        tar_file.add('project-0.2')
 
142
 
 
143
        f = file('project-0.1/README', 'wb')
 
144
        f.write('What?')
 
145
        f.close()
 
146
        tar_file.add('project-0.1/README')
 
147
        tar_file.close()
 
148
        rmtree('project-0.1')
 
149
        result.seek(0)
 
150
        return result
 
151
 
 
152
    def make_zip(self):
 
153
        def maker(fileobj):
 
154
            return ZipFileWrapper(fileobj, 'w')
 
155
        return self.make_archive(maker)
 
156
 
 
157
    def test_top_directory(self):
 
158
        self.assertEqual(top_directory('ab/b/c'), 'ab')
 
159
        self.assertEqual(top_directory('/etc'), '/')
 
160
 
 
161
    def test_common_directory(self):
 
162
        self.assertEqual(common_directory(['ab/c/d', 'ab/c/e']), 'ab')
 
163
        self.assertIs(common_directory(['ab/c/d', 'ac/c/e']), None)
 
164
        self.assertIs(None, common_directory(['FEEDME']))
 
165
 
 
166
    def test_untar(self):
 
167
        def builder(fileobj, mode='w'):
 
168
            return tarfile.open('project-0.1.tar', mode, fileobj)
 
169
        self.archive_test(builder, import_tar)
 
170
 
 
171
    def test_broken_tar(self):
 
172
        def builder(fileobj, mode='w'):
 
173
            return tarfile.open('project-0.1.tar', mode, fileobj)
 
174
        self.archive_test(builder, import_tar_broken, subdir=True)
 
175
 
 
176
    def test_unzip(self):
 
177
        def builder(fileobj, mode='w'):
 
178
            return ZipFileWrapper(fileobj, mode)
 
179
        self.archive_test(builder, import_zip)
 
180
 
 
181
    def test_copydir_nosub(self):
 
182
        def builder(fileobj, mode='w'):
 
183
            return DirFileWriter(fileobj, mode)
 
184
        # It would be bogus to test with the result in a subdirectory,
 
185
        # because for directories, the input root is always the output root.
 
186
        self.archive_test(builder, import_dir)
 
187
 
 
188
    def archive_test(self, builder, importer, subdir=False):
 
189
        archive_file = self.make_archive(builder, subdir)
 
190
        tree = BzrDir.create_standalone_workingtree('tree')
 
191
        tree.lock_write()
 
192
        try:
 
193
            importer(tree, archive_file)
 
194
            self.assertTrue(tree.path2id('README') is not None)
 
195
            self.assertTrue(tree.path2id('FEEDME') is not None)
 
196
            self.assertTrue(os.path.isfile(tree.abspath('README')))
 
197
            self.assertEqual(tree.inventory[tree.path2id('README')].kind,
 
198
                'file')
 
199
            self.assertEqual(tree.inventory[tree.path2id('FEEDME')].kind,
 
200
                'file')
 
201
            f = file(tree.abspath('junk/food'), 'wb')
 
202
            f.write('I like food\n')
 
203
            f.close()
 
204
 
 
205
            archive_file = self.make_archive2(builder, subdir)
 
206
            importer(tree, archive_file)
 
207
            self.assertTrue(tree.path2id('README') is not None)
 
208
            self.assertTrue(not os.path.exists(tree.abspath('FEEDME')))
 
209
        finally:
 
210
            tree.unlock()
 
211
 
 
212
 
 
213
    def test_untar2(self):
 
214
        tar_file = self.make_messed_tar()
 
215
        tree = BzrDir.create_standalone_workingtree('tree')
 
216
        import_tar(tree, tar_file)
 
217
        self.assertTrue(tree.path2id('project-0.1/README') is not None)
 
218
 
 
219
    def test_untar_gzip(self):
 
220
        tar_file = self.make_tar(mode='w:gz')
 
221
        tree = BzrDir.create_standalone_workingtree('tree')
 
222
        import_tar(tree, tar_file)
 
223
        self.assertTrue(tree.path2id('README') is not None)
 
224
 
 
225
def test_suite():
 
226
    return makeSuite(TestImport)