66 lines
No EOL
1.9 KiB
Python
66 lines
No EOL
1.9 KiB
Python
import unittest
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import tarfile
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from StringIO import StringIO
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from util.streamlayerformat import AUFS_WHITEOUT
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from util.changes import files_and_dirs_from_tar
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class TestChanges(unittest.TestCase):
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def create_layer(self, **kwargs):
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output = StringIO()
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with tarfile.open(fileobj=output, mode='w:gz') as tar:
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for current_contents in kwargs:
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current_filename = kwargs[current_contents]
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if current_contents == '_':
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# This is a deleted file.
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if current_filename.endswith('/'):
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current_filename = current_filename[:-1]
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parts = current_filename.split('/')
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if len(parts) > 1:
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current_filename = '/'.join(parts[:-1]) + '/' + AUFS_WHITEOUT + parts[-1]
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else:
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current_filename = AUFS_WHITEOUT + parts[-1]
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current_contents = ''
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info = tarfile.TarInfo(name=current_filename)
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info.size = len(current_contents)
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tar.addfile(info, fileobj=StringIO(current_contents))
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return output.getvalue()
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def test_single_layer(self):
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tar_layer = self.create_layer(
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foo = 'some_file',
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bar = 'another_file',
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meh = 'third_file')
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deleted_prefixes = set()
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result = list(files_and_dirs_from_tar(StringIO(tar_layer), deleted_prefixes))
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self.assertIn('/some_file', result)
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self.assertIn('/another_file', result)
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self.assertIn('/third_file', result)
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self.assertFalse(deleted_prefixes)
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def test_delete_file(self):
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tar_layer = self.create_layer(
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foo = 'some_file',
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_ = 'another_file',
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meh = 'third_file')
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deleted_prefixes = set()
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result = list(files_and_dirs_from_tar(StringIO(tar_layer), deleted_prefixes))
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self.assertIn('/some_file', result)
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self.assertIn('/third_file', result)
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self.assertIn('another_file', deleted_prefixes)
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if __name__ == '__main__':
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unittest.main() |