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Viewing changes to tests/upstream_import.py

  • Committer: Aaron Bentley
  • Date: 2007-03-07 14:08:29 UTC
  • Revision ID: abentley@panoramicfeedback.com-20070307140829-95mubswbtpbr7zsx
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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
 
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import tarfile
 
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import tempfile
 
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from unittest import makeSuite
 
7
 
 
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from bzrlib import osutils
 
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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_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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)
 
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from bzrlib.tests import TestCaseInTempDir
 
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class DirFileWriter(object):
 
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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())
 
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        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
 
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    def add(self, path):
 
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        target_path = os.path.join(self.root, path)
 
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        parent = osutils.dirname(target_path)
 
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        if not os.path.exists(parent):
 
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            os.makedirs(parent)
 
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        kind = osutils.file_kind(path)
 
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        if kind == 'file':
 
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            copy2(path, target_path)
 
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        if kind == 'directory':
 
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            os.mkdir(target_path)
 
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    def close(self):
 
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        pass
 
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50
 
 
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class TestImport(TestCaseInTempDir):
 
52
 
 
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    def make_tar(self, mode='w'):
 
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        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)
 
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    def make_archive(self, maker, subdir=True):
 
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        result = StringIO()
 
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        archive_file = maker(result)
 
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        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')
 
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            else:
 
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                prefix=''
 
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                os.chdir('project-0.1')
 
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            os.mkdir(prefix + 'junk')
 
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            archive_file.add(prefix + 'junk')
 
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            f = file(prefix + 'README', 'wb')
 
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            f.write('What?')
 
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            f.close()
 
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            archive_file.add(prefix + 'README')
 
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            f = file(prefix + 'FEEDME', 'wb')
 
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            f.write('Hungry!!')
 
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            f.close()
 
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            archive_file.add(prefix + 'FEEDME')
 
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            archive_file.close()
 
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        finally:
 
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            if not subdir:
 
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                os.chdir('..')
 
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            rmtree('project-0.1')
 
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        result.seek(0)
 
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        return result
 
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    def make_archive2(self, builder, subdir):
 
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        result = StringIO()
 
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        archive_file = builder(result)
 
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        os.mkdir('project-0.2')
 
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        try:
 
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            if subdir:
 
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                prefix='project-0.2/'
 
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                archive_file.add('project-0.2')
 
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            else:
 
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                prefix=''
 
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                os.chdir('project-0.2')
 
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            os.mkdir(prefix + 'junk')
 
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            archive_file.add(prefix + 'junk')
 
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            f = file(prefix + 'README', 'wb')
 
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            f.write('Now?')
 
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            f.close()
 
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            archive_file.add(prefix + 'README')
 
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            archive_file.close()
 
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            archive_file = builder(result, 'a')
 
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            archive_file.add(prefix + 'README')
 
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            archive_file.close()
 
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        finally:
 
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            if not subdir:
 
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                os.chdir('..')
 
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        result.seek(0)
 
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        return result
 
120
 
 
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    def make_messed_tar(self):
 
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        result = StringIO()
 
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        tar_file = tarfile.open('project-0.1.tar', 'w', result)
 
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        os.mkdir('project-0.1')
 
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        tar_file.add('project-0.1')
 
126
 
 
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        os.mkdir('project-0.2')
 
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        tar_file.add('project-0.2')
 
129
        
 
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        f = file('project-0.1/README', 'wb')
 
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        f.write('What?')
 
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        f.close()
 
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        tar_file.add('project-0.1/README')
 
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        tar_file.close()
 
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        rmtree('project-0.1')
 
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        result.seek(0)
 
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        return result
 
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    def make_zip(self):
 
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        def maker(fileobj):
 
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            return ZipFileWrapper(fileobj, 'w')
 
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        return self.make_archive(maker)
 
143
 
 
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    def test_top_directory(self):
 
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        self.assertEqual(top_directory('ab/b/c'), 'ab')
 
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        self.assertEqual(top_directory('/etc'), '/')
 
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    def test_common_directory(self):
 
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        self.assertEqual(common_directory(['ab/c/d', 'ab/c/e']), 'ab')
 
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        self.assertIs(common_directory(['ab/c/d', 'ac/c/e']), None)
 
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        self.assertIs(None, common_directory(['FEEDME']))
 
152
 
 
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    def test_untar(self):
 
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        def builder(fileobj, mode='w'):
 
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            return tarfile.open('project-0.1.tar', mode, fileobj)
 
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        self.archive_test(builder, import_tar)
 
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    def test_unzip(self):
 
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        def builder(fileobj, mode='w'):
 
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            return ZipFileWrapper(fileobj, mode)
 
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        self.archive_test(builder, import_zip)
 
162
 
 
163
    def test_copydir_nosub(self):
 
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        def builder(fileobj, mode='w'):
 
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            return DirFileWriter(fileobj, mode)
 
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        # It would be bogus to test with the result in a subdirectory,
 
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        # because for directories, the input root is always the output root.
 
168
        self.archive_test(builder, import_dir)
 
169
 
 
170
    def archive_test(self, builder, importer, subdir=False):
 
171
        archive_file = self.make_archive(builder, subdir)
 
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        tree = BzrDir.create_standalone_workingtree('tree')
 
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        importer(tree, archive_file)
 
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        self.assertTrue(tree.path2id('README') is not None) 
 
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        self.assertTrue(tree.path2id('FEEDME') is not None)
 
176
        self.assertTrue(os.path.isfile(tree.abspath('README')))
 
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        self.assertEqual(tree.inventory[tree.path2id('README')].kind, 'file')
 
178
        self.assertEqual(tree.inventory[tree.path2id('FEEDME')].kind, 'file')
 
179
        
 
180
        f = file(tree.abspath('junk/food'), 'wb')
 
181
        f.write('I like food\n')
 
182
        f.close()
 
183
 
 
184
        archive_file = self.make_archive2(builder, subdir)
 
185
        importer(tree, archive_file)
 
186
        self.assertTrue(tree.path2id('README') is not None) 
 
187
        self.assertTrue(not os.path.exists(tree.abspath('FEEDME')))
 
188
 
 
189
 
 
190
    def test_untar2(self):
 
191
        tar_file = self.make_messed_tar()
 
192
        tree = BzrDir.create_standalone_workingtree('tree')
 
193
        import_tar(tree, tar_file)
 
194
        self.assertTrue(tree.path2id('project-0.1/README') is not None) 
 
195
 
 
196
    def test_untar_gzip(self):
 
197
        tar_file = self.make_tar(mode='w:gz')
 
198
        tree = BzrDir.create_standalone_workingtree('tree')
 
199
        import_tar(tree, tar_file)
 
200
        self.assertTrue(tree.path2id('README') is not None) 
 
201
 
 
202
def test_suite():
 
203
    return makeSuite(TestImport)