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import json |
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import unittest |
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from unittest.case import SkipTest |
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from coalib.output.JSONEncoder import create_json_encoder |
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from coalib.results.Diff import ConflictError, Diff, SourceRange |
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class DiffTest(unittest.TestCase): |
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def setUp(self): |
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self.file = ["1", "2", "3", "4"] |
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self.uut = Diff(self.file) |
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def test_add_lines(self): |
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self.uut.add_lines(0, []) |
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self.uut.add_lines(0, ["t"]) |
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self.uut.add_lines(0, []) |
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# No double addition allowed |
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self.assertRaises(ConflictError, self.uut.add_lines, 0, ["t"]) |
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self.assertRaises(ValueError, self.uut.add_lines, -1, ["t"]) |
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self.assertRaises(TypeError, self.uut.add_lines, "str", ["t"]) |
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def test_delete_line(self): |
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self.uut.delete_line(1) |
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self.uut.delete_line(1) # Double deletion possible without conflict |
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self.assertRaises(ValueError, self.uut.delete_line, 0) |
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def test_change_line(self): |
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self.assertEqual(len(self.uut), 0) |
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self.uut.change_line(2, "1", "2") |
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self.assertEqual(len(self.uut), 2) |
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self.assertRaises(ConflictError, self.uut.change_line, 2, "1", "3") |
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self.assertRaises(ValueError, self.uut.change_line, 0, "1", "2") |
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self.uut.delete_line(1) |
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# Line was deleted, unchangeable |
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self.assertRaises(ConflictError, self.uut.change_line, 1, "1", "2") |
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def test_affected_code(self): |
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self.assertEqual(self.uut.affected_code("file"), []) |
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self.uut.add_lines(0, ["test"]) |
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affected_code = [ |
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SourceRange.from_values("file", start_line=1)] |
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self.assertEqual(self.uut.affected_code("file"), affected_code) |
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self.uut.delete_line(2) |
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affected_code = [ |
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SourceRange.from_values("file", start_line=1), |
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SourceRange.from_values("file", start_line=2)] |
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self.assertEqual(self.uut.affected_code("file"), affected_code) |
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self.uut.delete_line(3) |
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affected_code = [ |
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SourceRange.from_values("file", start_line=1), |
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SourceRange.from_values("file", start_line=2, end_line=3)] |
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self.assertEqual(self.uut.affected_code("file"), affected_code) |
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self.uut.delete_line(6) |
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affected_code = [ |
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SourceRange.from_values("file", start_line=1), |
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SourceRange.from_values("file", start_line=2, end_line=3), |
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SourceRange.from_values('file', start_line=6)] |
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self.assertEqual(self.uut.affected_code("file"), affected_code) |
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def test_len(self): |
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self.uut.delete_line(2) |
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self.assertEqual(len(self.uut), 1) |
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self.uut.add_lines(2, ["2.3", "2.5", "2.6"]) |
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self.assertEqual(len(self.uut), 4) |
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self.uut.change_line(1, "1", "1.1") |
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self.assertEqual(len(self.uut), 6) |
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def test_stats(self): |
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self.uut.delete_line(2) |
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self.assertEqual(self.uut.stats(), (0, 1)) |
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self.uut.add_lines(2, ["2.3", "2.5", "2.6"]) |
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self.assertEqual(self.uut.stats(), (3, 1)) |
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self.uut.change_line(1, "1", "1.1") |
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self.assertEqual(self.uut.stats(), (4, 2)) |
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def test_modified(self): |
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result_file = ["0.1", |
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"0.2", |
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"1", |
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"1.1", |
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"3.changed", |
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"4"] |
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self.uut.delete_line(2) |
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self.uut.add_lines(0, ["0.1", "0.2"]) |
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self.uut.add_lines(1, ["1.1"]) |
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self.uut.change_line(3, "3", "3.changed") |
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# If delete is True then modified returns an empty list |
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self.uut.delete = True |
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self.assertEqual(self.uut.modified, []) |
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self.uut.delete = False |
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self.assertEqual(self.uut.modified, result_file) |
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self.assertEqual(self.uut.original, self.file) |
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self.uut.delete_line(len(self.file)) |
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del result_file[len(result_file) - 1] |
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self.assertEqual(self.uut.modified, result_file) |
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self.uut.delete_line(1) |
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del result_file[2] |
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self.assertEqual(self.uut.modified, result_file) |
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def test_addition(self): |
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self.assertRaises(TypeError, self.uut.__add__, 5) |
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result_file = ["1", |
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"2", |
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"2"] |
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other = Diff(self.file) |
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other.delete_line(1) |
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other.change_line(2, "1", "2") |
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other.add_lines(0, ["1"]) |
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self.uut.delete_line(1) |
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self.uut.delete_line(3) |
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self.uut.change_line(4, "4", "2") |
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result = self.uut + other |
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self.assertEqual(result.modified, result_file) |
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# Make sure it didn't happen in place! |
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self.assertNotEqual(self.uut.modified, result_file) |
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def test_addition_rename(self): |
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uut = Diff(self.file, rename=False) |
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other = Diff(self.file, rename=False) |
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self.assertEqual((other + uut).rename, False) |
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other.rename = "some.py" |
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self.assertEqual((other + uut).rename, "some.py") |
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uut.rename = "some.py" |
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self.assertEqual((other + uut).rename, "some.py") |
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uut.rename = "other.py" |
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self.assertRaises(ConflictError, other.__add__, uut) |
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def test_from_string_arrays(self): |
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a = ["q", "a", "b", "x", "c", "d"] |
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b = ["a", "b", "y", "c", "d", "f"] |
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self.uut = Diff.from_string_arrays(a, b) |
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self.assertEqual(self.uut.modified, b) |
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a = ["first", "fourth"] |
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b = ["first", "second", "third", "fourth"] |
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self.uut = Diff.from_string_arrays(a, b) |
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self.assertEqual(self.uut.modified, b) |
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a = ["first", "fourth"] |
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b = ["first_changed", "second", "third", "fourth"] |
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self.uut = Diff.from_string_arrays(a, b) |
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self.assertEqual(self.uut.modified, b) |
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a = ["first", "second", "third", "fourth"] |
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b = ["first", "fourth"] |
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self.uut = Diff.from_string_arrays(a, b) |
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self.assertEqual(self.uut.modified, b) |
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a = ["first", "second", "third", "fourth"] |
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b = ["first_changed", "second_changed", "fourth"] |
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self.uut = Diff.from_string_arrays(a, b) |
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self.assertEqual(self.uut.modified, b) |
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def test_from_clang_fixit(self): |
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try: |
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from clang.cindex import Index, LibclangError |
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except ImportError as err: |
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raise SkipTest(str(err)) |
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joined_file = 'struct { int f0; }\nx = { f0 :1 };\n' |
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file = joined_file.splitlines(True) |
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fixed_file = ['struct { int f0; }\n', 'x = { .f0 = 1 };\n'] |
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try: |
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tu = Index.create().parse('t.c', unsaved_files=[ |
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('t.c', joined_file)]) |
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except LibclangError as err: |
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raise SkipTest(str(err)) |
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fixit = tu.diagnostics[0].fixits[0] |
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clang_fixed_file = Diff.from_clang_fixit(fixit, file).modified |
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self.assertEqual(fixed_file, clang_fixed_file) |
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def test_equality(self): |
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a = ["first", "second", "third"] |
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b = ["first", "third"] |
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diff_1 = Diff.from_string_arrays(a, b) |
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198
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a[1] = "else" |
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diff_2 = Diff.from_string_arrays(a, b) |
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self.assertEqual(diff_1, diff_2) |
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202
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diff_1.rename = "abcd" |
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self.assertNotEqual(diff_1, diff_2) |
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diff_1.rename = False |
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diff_1.delete = True |
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self.assertNotEqual(diff_1, diff_2) |
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diff_1.delete = False |
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diff_1.add_lines(1, ["1"]) |
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self.assertNotEqual(diff_1, diff_2) |
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def test_json_export(self): |
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JSONEncoder = create_json_encoder() |
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a = ["first\n", "second\n", "third\n"] |
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b = ["first\n", "third\n"] |
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diff = Diff.from_string_arrays(a, b) |
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self.assertEqual( |
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json.dumps(diff, cls=JSONEncoder, sort_keys=True), |
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'"--- \\n' |
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'+++ \\n' |
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'@@ -1,3 +1,2 @@\\n' |
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' first\\n' |
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'-second\\n' |
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' third\\n"') |
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def test_rename(self): |
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self.uut.rename = False |
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self.uut.rename = "1234" |
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with self.assertRaises(TypeError): |
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self.uut.rename = True |
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with self.assertRaises(TypeError): |
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self.uut.rename = 1234 |
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235
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def test_delete(self): |
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self.uut.delete = True |
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self.uut.delete = False |
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# Double deletion is allowed |
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self.uut.delete = False |
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with self.assertRaises(TypeError): |
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self.uut.delete = "abcd" |
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coala-analyzer /
coala
