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import unittest |
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import os |
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from os.path import isfile |
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from coalib.misc.ContextManagers import make_temp |
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from coalib.results.Diff import Diff |
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from coalib.results.Result import Result |
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from coalib.results.result_actions.ApplyPatchAction import ApplyPatchAction |
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from coalib.settings.Section import Section |
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class ApplyPatchActionTest(unittest.TestCase): |
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def test_apply(self): |
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uut = ApplyPatchAction() |
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with make_temp() as f_a, make_temp() as f_b, make_temp() as f_c: |
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file_dict = { |
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f_a: ["1\n", "2\n", "3\n"], |
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f_b: ["1\n", "2\n", "3\n"], |
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f_c: ["1\n", "2\n", "3\n"] |
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} |
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expected_file_dict = { |
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f_a: ["1\n", "3_changed\n"], |
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f_b: ["1\n", "2\n", "3_changed\n"], |
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f_c: ["1\n", "2\n", "3\n"] |
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} |
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file_diff_dict = {} |
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diff = Diff(file_dict[f_a]) |
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diff.delete_line(2) |
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uut.apply_from_section(Result("origin", "msg", diffs={f_a: diff}), |
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file_dict, |
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file_diff_dict, |
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Section("t")) |
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diff = Diff(file_dict[f_a]) |
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diff.change_line(3, "3\n", "3_changed\n") |
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uut.apply_from_section(Result("origin", "msg", diffs={f_a: diff}), |
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file_dict, |
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file_diff_dict, |
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Section("t")) |
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diff = Diff(file_dict[f_b]) |
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diff.change_line(3, "3\n", "3_changed\n") |
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uut.apply(Result("origin", "msg", diffs={f_b: diff}), |
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file_dict, |
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file_diff_dict) |
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for filename in file_diff_dict: |
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file_dict[filename] = file_diff_dict[filename].modified |
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self.assertEqual(file_dict, expected_file_dict) |
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with open(f_a) as fa: |
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self.assertEqual(file_dict[f_a], fa.readlines()) |
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with open(f_b) as fb: |
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self.assertEqual(file_dict[f_b], fb.readlines()) |
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with open(f_c) as fc: |
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# File c is unchanged and should be untouched |
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self.assertEqual([], fc.readlines()) |
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def test_apply_orig_option(self): |
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uut = ApplyPatchAction() |
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with make_temp() as f_a, make_temp() as f_b: |
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file_dict = { |
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f_a: ["1\n", "2\n", "3\n"], |
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f_b: ["1\n", "2\n", "3\n"] |
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} |
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expected_file_dict = { |
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f_a: ["1\n", "2\n", "3_changed\n"], |
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f_b: ["1\n", "2\n", "3_changed\n"] |
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} |
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file_diff_dict = {} |
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diff = Diff(file_dict[f_a]) |
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diff.change_line(3, "3\n", "3_changed\n") |
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uut.apply(Result("origin", "msg", diffs={f_a: diff}), |
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file_dict, |
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file_diff_dict, |
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no_orig=True) |
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diff = Diff(file_dict[f_b]) |
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diff.change_line(3, "3\n", "3_changed\n") |
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uut.apply(Result("origin", "msg", diffs={f_b: diff}), |
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file_dict, |
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file_diff_dict, |
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no_orig=False) |
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self.assertFalse(isfile(f_a+".orig")) |
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self.assertTrue(isfile(f_b+".orig")) |
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for filename in file_diff_dict: |
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file_dict[filename] = file_diff_dict[filename].modified |
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self.assertEqual(file_dict, expected_file_dict) |
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def test_apply_rename(self): |
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uut = ApplyPatchAction() |
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with make_temp() as f_a: |
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file_dict = {f_a: ["1\n", "2\n", "3\n"]} |
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expected_file_dict = {f_a+".renamed": |
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["1\n", "2_changed\n", "3_changed\n"]} |
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file_diff_dict = {} |
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diff = Diff(file_dict[f_a], rename=f_a+".renamed") |
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diff.change_line(3, "3\n", "3_changed\n") |
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uut.apply(Result("origin", "msg", diffs={f_a: diff}), |
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file_dict, |
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file_diff_dict) |
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self.assertTrue(isfile(f_a+".orig")) |
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self.assertTrue(isfile(f_a+".renamed")) |
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self.assertFalse(isfile(f_a)) |
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diff = Diff(file_dict[f_a]) |
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diff.change_line(2, "2\n", "2_changed\n") |
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uut.apply(Result("origin", "msg", diffs={f_a: diff}), |
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file_dict, |
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file_diff_dict) |
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self.assertTrue(isfile(f_a+".renamed.orig")) |
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file_dict = {f_a+".renamed": open(f_a+".renamed").readlines()} |
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self.assertEqual(file_dict, expected_file_dict) |
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# Recreate file so that context manager make_temp() can delete it |
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open(f_a, 'w').close() |
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def test_apply_delete(self): |
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uut = ApplyPatchAction() |
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with make_temp() as f_a: |
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file_dict = {f_a: ["1\n", "2\n", "3\n"]} |
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file_diff_dict = {} |
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diff = Diff(file_dict[f_a], delete=True) |
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uut.apply(Result("origin", "msg", diffs={f_a: diff}), |
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file_dict, |
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file_diff_dict) |
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self.assertFalse(isfile(f_a)) |
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self.assertTrue(isfile(f_a+".orig")) |
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os.remove(f_a+".orig") |
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diff = Diff(file_dict[f_a]) |
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diff.change_line(3, "3\n", "3_changed\n") |
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uut.apply(Result("origin", "msg", diffs={f_a: diff}), |
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file_dict, |
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file_diff_dict) |
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self.assertFalse(isfile(f_a+".orig")) |
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# Recreate file so that context manager make_temp() can delete it |
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open(f_a, 'w').close() |
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def test_is_applicable(self): |
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diff = Diff(["1\n", "2\n", "3\n"]) |
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diff.delete_line(2) |
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patch_result = Result("", "", diffs={'f': diff}) |
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self.assertTrue( |
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ApplyPatchAction.is_applicable(patch_result, {}, {})) |
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def test_is_applicable_conflict(self): |
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diff = Diff(["1\n", "2\n", "3\n"]) |
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diff.add_lines(2, ['a line']) |
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conflict_result = Result("", "", diffs={'f': diff}) |
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# Applying the same diff twice will result in a conflict |
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self.assertFalse( |
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ApplyPatchAction.is_applicable(conflict_result, {}, {'f': diff})) |
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def test_is_applicable_empty_patch(self): |
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empty_patch_result = Result("", "", diffs={}) |
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self.assertFalse( |
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ApplyPatchAction.is_applicable(empty_patch_result, {}, {})) |
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def test_is_applicable_without_patch(self): |
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result = Result("", "") |
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self.assertFalse(ApplyPatchAction.is_applicable(result, {}, {})) |
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coala-analyzer /
coala
