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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from breezy.iterablefile import IterableFile
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from breezy.errors import BinaryFile
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from breezy.patch import diff3
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from breezy.tests import TestCaseInTempDir
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from breezy.patch import diff3, PatchInvokeError, run_patch, iter_patched_from_hunks
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from breezy.patches import parse_patch
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from breezy.tests import TestCaseInTempDir, TestCase
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class TestPatch(TestCaseInTempDir):
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def test_diff3_binaries(self):
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with file('this', 'wb') as f: f.write('a')
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with file('other', 'wb') as f: f.write('a')
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with file('base', 'wb') as f: f.write('\x00')
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with open('this', 'wb') as f:
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with open('other', 'wb') as f:
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with open('base', 'wb') as f:
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self.assertRaises(BinaryFile, diff3, 'unused', 'this', 'other', 'base')
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class TestPatch(TestCaseInTempDir):
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def test_missing_patch(self):
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self.assertRaises(PatchInvokeError, run_patch, '.', [],
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_patch_cmd='/unlikely/to/exist')
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class PatchesTester(TestCase):
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def datafile(self, filename):
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data_path = os.path.join(os.path.dirname(__file__),
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"test_patches_data", filename)
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return open(data_path, "rb")
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def data_lines(self, filename):
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with self.datafile(filename) as datafile:
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return datafile.readlines()
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def test_iter_patched_from_hunks(self):
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"""Test a few patch files, and make sure they work."""
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('diff-2', 'orig-2', 'mod-2'),
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('diff-3', 'orig-3', 'mod-3'),
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('diff-4', 'orig-4', 'mod-4'),
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('diff-5', 'orig-5', 'mod-5'),
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('diff-6', 'orig-6', 'mod-6'),
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('diff-7', 'orig-7', 'mod-7'),
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for diff, orig, mod in files:
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parsed = parse_patch(self.datafile(diff))
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orig_lines = list(self.datafile(orig))
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mod_lines = list(self.datafile(mod))
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iter_patched = iter_patched_from_hunks(orig_lines, parsed.hunks)
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patched_file = IterableFile(iter_patched)
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for patch_line in patched_file:
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self.assertEqual(patch_line, mod_lines[count], 'for file %s' % diff)
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self.assertEqual(count, len(mod_lines))