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import unittest |
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from collections import namedtuple |
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from os.path import abspath |
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from coalib.results.SourcePosition import SourcePosition |
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from coalib.results.SourceRange import SourceRange |
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from coalib.results.AbsolutePosition import AbsolutePosition |
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from coalib.results.Diff import Diff |
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class SourceRangeTest(unittest.TestCase): |
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def setUp(self): |
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self.result_fileA_noline = SourcePosition("A") |
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self.result_fileA_line2 = SourcePosition("A", 2) |
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self.result_fileB_noline = SourcePosition("B") |
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self.result_fileB_line2 = SourcePosition("B", 2) |
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self.result_fileB_line4 = SourcePosition("B", 4) |
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def test_construction(self): |
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uut1 = SourceRange(self.result_fileA_noline) |
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self.assertEqual(uut1.end, self.result_fileA_noline) |
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uut2 = SourceRange.from_values("A") |
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self.assertEqual(uut1, uut2) |
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uut = SourceRange.from_values("B", start_line=2, end_line=4) |
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self.assertEqual(uut.start, self.result_fileB_line2) |
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self.assertEqual(uut.end, self.result_fileB_line4) |
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def test_from_clang_range(self): |
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# Simulating a clang SourceRange is easier than setting one up without |
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# actually parsing a complete C file. |
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ClangRange = namedtuple("ClangRange", "start end") |
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ClangPosition = namedtuple("ClangPosition", "file line column") |
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ClangFile = namedtuple("ClangFile", "name") |
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file = ClangFile("t.c") |
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start = ClangPosition(file, 1, 2) |
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end = ClangPosition(file, 3, 4) |
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uut = SourceRange.from_clang_range(ClangRange(start, end)) |
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compare = SourceRange.from_values("t.c", 1, 2, 3, 4) |
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self.assertEqual(uut, compare) |
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def test_from_absolute_position(self): |
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text = ("a\n", "b\n") |
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start = AbsolutePosition(text, 0) |
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end = AbsolutePosition(text, 2) |
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uut = SourceRange.from_absolute_position("F", start, end) |
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compare = SourceRange.from_values("F", 1, 1, 2, 1) |
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self.assertEqual(uut, compare) |
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uut = SourceRange.from_absolute_position("F", start, None) |
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compare = SourceRange(SourcePosition("F", 1, 1), None) |
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self.assertEqual(uut, compare) |
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def test_file_property(self): |
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uut = SourceRange(self.result_fileA_line2) |
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self.assertRegex(uut.file, ".*A") |
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def test_invalid_arguments(self): |
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# arguments must be SourceRanges |
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with self.assertRaises(TypeError): |
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SourceRange(1, self.result_fileA_noline) |
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with self.assertRaises(TypeError): |
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SourceRange(self.result_fileA_line2, 1) |
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def test_argument_file(self): |
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# both Source_Positions should describe the same file |
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with self.assertRaises(ValueError): |
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SourceRange(self.result_fileA_noline, self.result_fileB_noline) |
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def test_argument_order(self): |
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# end should come after the start |
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with self.assertRaises(ValueError): |
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SourceRange(self.result_fileA_line2, self.result_fileA_noline) |
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def test_invalid_comparison(self): |
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with self.assertRaises(TypeError): |
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SourceRange(self.result_fileB_noline, self.result_fileB_line2) < 1 |
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def test_json(self): |
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uut = SourceRange.from_values("B", start_line=2, |
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end_line=4).__json__(use_relpath=True) |
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self.assertEqual(uut['start'], self.result_fileB_line2) |
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def test_renamed_file(self): |
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src_range = SourceRange(SourcePosition("test_file")) |
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self.assertEqual(src_range.renamed_file({}), abspath('test_file')) |
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self.assertEqual( |
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src_range.renamed_file({abspath('test_file'): Diff([])}), |
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abspath('test_file')) |
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self.assertEqual( |
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src_range.renamed_file( |
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{abspath('test_file'): Diff([], rename='another_file')}), |
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'another_file') |
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class SourceRangeExpandTest(unittest.TestCase): |
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def test_expand(self): |
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empty_position = SourcePosition("filename") |
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file = ["abc\n", "def\n", "ghi\n"] |
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empty_range = SourceRange(empty_position, empty_position) |
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full_range = SourceRange.from_values("filename", 1, 1, 3, 4) |
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self.assertEqual(empty_range.expand(file), full_range) |
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coala-analyzer /
coala
