mirror of
https://github.com/thegeeklab/ansible-later.git
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298 lines
12 KiB
Python
298 lines
12 KiB
Python
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# coding: utf-8
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# test_diff.py
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# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
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#
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# This module is part of GitPython and is released under
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# the BSD License: http://www.opensource.org/licenses/bsd-license.php
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import ddt
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from git import (
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Repo,
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GitCommandError,
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Diff,
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DiffIndex,
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NULL_TREE,
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)
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from git.cmd import Git
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from git.test.lib import (
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TestBase,
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StringProcessAdapter,
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fixture,
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assert_equal,
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assert_true,
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)
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from git.test.lib import with_rw_directory
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import os.path as osp
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@ddt.ddt
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class TestDiff(TestBase):
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def tearDown(self):
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import gc
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gc.collect()
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def _assert_diff_format(self, diffs):
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# verify that the format of the diff is sane
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for diff in diffs:
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if diff.a_mode:
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assert isinstance(diff.a_mode, int)
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if diff.b_mode:
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assert isinstance(diff.b_mode, int)
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if diff.a_blob:
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assert not diff.a_blob.path.endswith('\n')
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if diff.b_blob:
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assert not diff.b_blob.path.endswith('\n')
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# END for each diff
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return diffs
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@with_rw_directory
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def test_diff_with_staged_file(self, rw_dir):
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# SETUP INDEX WITH MULTIPLE STAGES
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r = Repo.init(rw_dir)
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fp = osp.join(rw_dir, 'hello.txt')
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with open(fp, 'w') as fs:
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fs.write("hello world")
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r.git.add(Git.polish_url(fp))
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r.git.commit(message="init")
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with open(fp, 'w') as fs:
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fs.write("Hola Mundo")
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r.git.commit(all=True, message="change on master")
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r.git.checkout('HEAD~1', b='topic')
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with open(fp, 'w') as fs:
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fs.write("Hallo Welt")
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r.git.commit(all=True, message="change on topic branch")
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# there must be a merge-conflict
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self.failUnlessRaises(GitCommandError, r.git.cherry_pick, 'master')
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# Now do the actual testing - this should just work
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self.assertEqual(len(r.index.diff(None)), 2)
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self.assertEqual(len(r.index.diff(None, create_patch=True)), 0,
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"This should work, but doesn't right now ... it's OK")
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def test_list_from_string_new_mode(self):
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output = StringProcessAdapter(fixture('diff_new_mode'))
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diffs = Diff._index_from_patch_format(self.rorepo, output)
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self._assert_diff_format(diffs)
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assert_equal(1, len(diffs))
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assert_equal(8, len(diffs[0].diff.splitlines()))
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def test_diff_with_rename(self):
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output = StringProcessAdapter(fixture('diff_rename'))
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diffs = Diff._index_from_patch_format(self.rorepo, output)
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self._assert_diff_format(diffs)
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assert_equal(1, len(diffs))
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diff = diffs[0]
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assert_true(diff.renamed_file)
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assert_true(diff.renamed)
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assert_equal(diff.rename_from, u'Jérôme')
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assert_equal(diff.rename_to, u'müller')
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assert_equal(diff.raw_rename_from, b'J\xc3\xa9r\xc3\xb4me')
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assert_equal(diff.raw_rename_to, b'm\xc3\xbcller')
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assert isinstance(str(diff), str)
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output = StringProcessAdapter(fixture('diff_rename_raw'))
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diffs = Diff._index_from_raw_format(self.rorepo, output)
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self.assertEqual(len(diffs), 1)
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diff = diffs[0]
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self.assertIsNotNone(diff.renamed_file)
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self.assertIsNotNone(diff.renamed)
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self.assertEqual(diff.rename_from, 'this')
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self.assertEqual(diff.rename_to, 'that')
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self.assertEqual(diff.change_type, 'R')
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self.assertEqual(diff.score, 100)
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self.assertEqual(len(list(diffs.iter_change_type('R'))), 1)
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def test_diff_with_change_in_type(self):
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output = StringProcessAdapter(fixture('diff_change_in_type'))
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diffs = Diff._index_from_patch_format(self.rorepo, output)
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self._assert_diff_format(diffs)
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assert_equal(2, len(diffs))
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diff = diffs[0]
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self.assertIsNotNone(diff.deleted_file)
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assert_equal(diff.a_path, 'this')
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assert_equal(diff.b_path, 'this')
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assert isinstance(str(diff), str)
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diff = diffs[1]
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assert_equal(diff.a_path, None)
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assert_equal(diff.b_path, 'this')
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self.assertIsNotNone(diff.new_file)
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assert isinstance(str(diff), str)
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output = StringProcessAdapter(fixture('diff_change_in_type_raw'))
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diffs = Diff._index_from_raw_format(self.rorepo, output)
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self.assertEqual(len(diffs), 1)
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diff = diffs[0]
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self.assertEqual(diff.rename_from, None)
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self.assertEqual(diff.rename_to, None)
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self.assertEqual(diff.change_type, 'T')
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self.assertEqual(len(list(diffs.iter_change_type('T'))), 1)
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def test_diff_of_modified_files_not_added_to_the_index(self):
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output = StringProcessAdapter(fixture('diff_abbrev-40_full-index_M_raw_no-color'))
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diffs = Diff._index_from_raw_format(self.rorepo, output)
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self.assertEqual(len(diffs), 1, 'one modification')
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self.assertEqual(len(list(diffs.iter_change_type('M'))), 1, 'one modification')
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self.assertEqual(diffs[0].change_type, 'M')
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self.assertIsNone(diffs[0].b_blob,)
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@ddt.data(
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(Diff._index_from_patch_format, 'diff_patch_binary'),
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(Diff._index_from_raw_format, 'diff_raw_binary')
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)
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def test_binary_diff(self, case):
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method, file_name = case
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res = method(None, StringProcessAdapter(fixture(file_name)))
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self.assertEqual(len(res), 1)
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self.assertEqual(len(list(res.iter_change_type('M'))), 1)
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if res[0].diff:
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self.assertEqual(res[0].diff,
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b"Binary files a/rps and b/rps differ\n",
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"in patch mode, we get a diff text")
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self.assertIsNotNone(str(res[0]), "This call should just work")
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def test_diff_index(self):
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output = StringProcessAdapter(fixture('diff_index_patch'))
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res = Diff._index_from_patch_format(None, output)
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self.assertEqual(len(res), 6)
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for dr in res:
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self.assertTrue(dr.diff.startswith(b'@@'), dr)
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self.assertIsNotNone(str(dr), "Diff to string conversion should be possible")
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# end for each diff
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dr = res[3]
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assert dr.diff.endswith(b"+Binary files a/rps and b/rps differ\n")
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def test_diff_index_raw_format(self):
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output = StringProcessAdapter(fixture('diff_index_raw'))
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res = Diff._index_from_raw_format(None, output)
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self.assertIsNotNone(res[0].deleted_file)
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self.assertIsNone(res[0].b_path,)
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def test_diff_initial_commit(self):
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initial_commit = self.rorepo.commit('33ebe7acec14b25c5f84f35a664803fcab2f7781')
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# Without creating a patch...
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diff_index = initial_commit.diff(NULL_TREE)
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self.assertEqual(diff_index[0].b_path, 'CHANGES')
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self.assertIsNotNone(diff_index[0].new_file)
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self.assertEqual(diff_index[0].diff, '')
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# ...and with creating a patch
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diff_index = initial_commit.diff(NULL_TREE, create_patch=True)
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self.assertIsNone(diff_index[0].a_path, repr(diff_index[0].a_path))
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self.assertEqual(diff_index[0].b_path, 'CHANGES', repr(diff_index[0].b_path))
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self.assertIsNotNone(diff_index[0].new_file)
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self.assertEqual(diff_index[0].diff, fixture('diff_initial'))
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def test_diff_unsafe_paths(self):
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output = StringProcessAdapter(fixture('diff_patch_unsafe_paths'))
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res = Diff._index_from_patch_format(None, output)
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# The "Additions"
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self.assertEqual(res[0].b_path, u'path/ starting with a space')
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self.assertEqual(res[1].b_path, u'path/"with-quotes"')
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self.assertEqual(res[2].b_path, u"path/'with-single-quotes'")
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self.assertEqual(res[3].b_path, u'path/ending in a space ')
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self.assertEqual(res[4].b_path, u'path/with\ttab')
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self.assertEqual(res[5].b_path, u'path/with\nnewline')
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self.assertEqual(res[6].b_path, u'path/with spaces')
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self.assertEqual(res[7].b_path, u'path/with-question-mark?')
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self.assertEqual(res[8].b_path, u'path/¯\\_(ツ)_|¯')
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self.assertEqual(res[9].b_path, u'path/💩.txt')
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self.assertEqual(res[9].b_rawpath, b'path/\xf0\x9f\x92\xa9.txt')
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self.assertEqual(res[10].b_path, u'path/<2F>-invalid-unicode-path.txt')
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self.assertEqual(res[10].b_rawpath, b'path/\x80-invalid-unicode-path.txt')
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# The "Moves"
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# NOTE: The path prefixes a/ and b/ here are legit! We're actually
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# verifying that it's not "a/a/" that shows up, see the fixture data.
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self.assertEqual(res[11].a_path, u'a/with spaces') # NOTE: path a/ here legit!
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self.assertEqual(res[11].b_path, u'b/with some spaces') # NOTE: path b/ here legit!
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self.assertEqual(res[12].a_path, u'a/ending in a space ')
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self.assertEqual(res[12].b_path, u'b/ending with space ')
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self.assertEqual(res[13].a_path, u'a/"with-quotes"')
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self.assertEqual(res[13].b_path, u'b/"with even more quotes"')
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def test_diff_patch_format(self):
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# test all of the 'old' format diffs for completness - it should at least
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# be able to deal with it
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fixtures = ("diff_2", "diff_2f", "diff_f", "diff_i", "diff_mode_only",
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"diff_new_mode", "diff_numstat", "diff_p", "diff_rename",
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"diff_tree_numstat_root", "diff_patch_unsafe_paths")
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for fixture_name in fixtures:
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diff_proc = StringProcessAdapter(fixture(fixture_name))
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Diff._index_from_patch_format(self.rorepo, diff_proc)
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# END for each fixture
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def test_diff_with_spaces(self):
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data = StringProcessAdapter(fixture('diff_file_with_spaces'))
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diff_index = Diff._index_from_patch_format(self.rorepo, data)
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self.assertIsNone(diff_index[0].a_path, repr(diff_index[0].a_path))
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self.assertEqual(diff_index[0].b_path, u'file with spaces', repr(diff_index[0].b_path))
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def test_diff_interface(self):
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# test a few variations of the main diff routine
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assertion_map = {}
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for i, commit in enumerate(self.rorepo.iter_commits('0.1.6', max_count=2)):
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diff_item = commit
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if i % 2 == 0:
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diff_item = commit.tree
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# END use tree every second item
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for other in (None, NULL_TREE, commit.Index, commit.parents[0]):
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for paths in (None, "CHANGES", ("CHANGES", "lib")):
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for create_patch in range(2):
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diff_index = diff_item.diff(other=other, paths=paths, create_patch=create_patch)
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assert isinstance(diff_index, DiffIndex)
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if diff_index:
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self._assert_diff_format(diff_index)
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for ct in DiffIndex.change_type:
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key = 'ct_%s' % ct
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assertion_map.setdefault(key, 0)
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assertion_map[key] = assertion_map[key] + len(list(diff_index.iter_change_type(ct)))
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# END for each changetype
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# check entries
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diff_set = set()
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diff_set.add(diff_index[0])
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diff_set.add(diff_index[0])
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self.assertEqual(len(diff_set), 1)
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self.assertEqual(diff_index[0], diff_index[0])
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self.assertFalse(diff_index[0] != diff_index[0])
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for dr in diff_index:
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self.assertIsNotNone(str(dr), "Diff to string conversion should be possible")
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# END diff index checking
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# END for each patch option
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# END for each path option
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# END for each other side
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# END for each commit
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# assert we could always find at least one instance of the members we
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# can iterate in the diff index - if not this indicates its not working correctly
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# or our test does not span the whole range of possibilities
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for key, value in assertion_map.items():
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self.assertIsNotNone(value, "Did not find diff for %s" % key)
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# END for each iteration type
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# test path not existing in the index - should be ignored
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c = self.rorepo.head.commit
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cp = c.parents[0]
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diff_index = c.diff(cp, ["does/not/exist"])
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self.assertEqual(len(diff_index), 0)
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