| 1 | #!/usr/bin/env python |
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| 2 | |
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| 3 | """Test internal functions within check_cfc.py.""" |
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| 4 | |
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| 5 | import check_cfc |
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| 6 | import os |
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| 7 | import platform |
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| 8 | import unittest |
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| 9 | |
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| 10 | |
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| 11 | class TestCheckCFC(unittest.TestCase): |
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| 12 | |
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| 13 | def test_flip_dash_g(self): |
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| 14 | self.assertIn('-g', check_cfc.flip_dash_g(['clang', '-c'])) |
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| 15 | self.assertNotIn('-g', check_cfc.flip_dash_g(['clang', '-c', '-g'])) |
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| 16 | self.assertNotIn( |
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| 17 | '-g', check_cfc.flip_dash_g(['clang', '-g', '-c', '-g'])) |
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| 18 | |
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| 19 | def test_remove_dir_from_path(self): |
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| 20 | bin_path = r'/usr/bin' |
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| 21 | space_path = r'/home/user/space in path' |
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| 22 | superstring_path = r'/usr/bin/local' |
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| 23 | |
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| 24 | # Test removing last thing in path |
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| 25 | self.assertNotIn( |
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| 26 | bin_path, check_cfc.remove_dir_from_path(bin_path, bin_path)) |
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| 27 | |
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| 28 | # Test removing one entry and leaving others |
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| 29 | # Also tests removing repeated path |
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| 30 | path_var = os.pathsep.join( |
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| 31 | [superstring_path, bin_path, space_path, bin_path]) |
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| 32 | stripped_path_var = check_cfc.remove_dir_from_path(path_var, bin_path) |
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| 33 | self.assertIn(superstring_path, stripped_path_var) |
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| 34 | self.assertNotIn(bin_path, stripped_path_var.split(os.pathsep)) |
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| 35 | self.assertIn(space_path, stripped_path_var) |
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| 36 | |
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| 37 | # Test removing non-canonical path |
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| 38 | self.assertNotIn(r'/usr//bin', |
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| 39 | check_cfc.remove_dir_from_path(r'/usr//bin', bin_path)) |
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| 40 | |
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| 41 | if platform == 'Windows': |
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| 42 | # Windows is case insensitive so should remove a different case |
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| 43 | # path |
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| 44 | self.assertNotIn( |
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| 45 | bin_path, check_cfc.remove_dir_from_path(path_var, r'/USR/BIN')) |
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| 46 | else: |
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| 47 | # Case sensitive so will not remove different case path |
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| 48 | self.assertIn( |
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| 49 | bin_path, check_cfc.remove_dir_from_path(path_var, r'/USR/BIN')) |
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| 50 | |
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| 51 | def test_is_output_specified(self): |
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| 52 | self.assertTrue( |
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| 53 | check_cfc.is_output_specified(['clang', '-o', 'test.o'])) |
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| 54 | self.assertTrue(check_cfc.is_output_specified(['clang', '-otest.o'])) |
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| 55 | self.assertFalse( |
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| 56 | check_cfc.is_output_specified(['clang', '-gline-tables-only'])) |
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| 57 | # Not specified for implied output file name |
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| 58 | self.assertFalse(check_cfc.is_output_specified(['clang', 'test.c'])) |
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| 59 | |
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| 60 | def test_get_output_file(self): |
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| 61 | self.assertEqual( |
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| 62 | check_cfc.get_output_file(['clang', '-o', 'test.o']), 'test.o') |
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| 63 | self.assertEqual( |
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| 64 | check_cfc.get_output_file(['clang', '-otest.o']), 'test.o') |
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| 65 | self.assertIsNone( |
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| 66 | check_cfc.get_output_file(['clang', '-gline-tables-only'])) |
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| 67 | # Can't get output file if more than one input file |
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| 68 | self.assertIsNone( |
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| 69 | check_cfc.get_output_file(['clang', '-c', 'test.cpp', 'test2.cpp'])) |
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| 70 | # No output file specified |
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| 71 | self.assertIsNone(check_cfc.get_output_file(['clang', '-c', 'test.c'])) |
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| 72 | |
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| 73 | def test_derive_output_file(self): |
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| 74 | # Test getting implicit output file |
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| 75 | self.assertEqual( |
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| 76 | check_cfc.derive_output_file(['clang', '-c', 'test.c']), 'test.o') |
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| 77 | self.assertEqual( |
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| 78 | check_cfc.derive_output_file(['clang', '-c', 'test.cpp']), 'test.o') |
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| 79 | self.assertIsNone(check_cfc.derive_output_file(['clang', '--version'])) |
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| 80 | |
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| 81 | def test_is_normal_compile(self): |
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| 82 | self.assertTrue(check_cfc.is_normal_compile( |
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| 83 | ['clang', '-c', 'test.cpp', '-o', 'test2.o'])) |
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| 84 | self.assertTrue( |
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| 85 | check_cfc.is_normal_compile(['clang', '-c', 'test.cpp'])) |
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| 86 | # Outputting bitcode is not a normal compile |
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| 87 | self.assertFalse( |
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| 88 | check_cfc.is_normal_compile(['clang', '-c', 'test.cpp', '-flto'])) |
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| 89 | self.assertFalse( |
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| 90 | check_cfc.is_normal_compile(['clang', '-c', 'test.cpp', '-emit-llvm'])) |
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| 91 | # Outputting preprocessed output or assembly is not a normal compile |
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| 92 | self.assertFalse( |
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| 93 | check_cfc.is_normal_compile(['clang', '-E', 'test.cpp', '-o', 'test.ii'])) |
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| 94 | self.assertFalse( |
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| 95 | check_cfc.is_normal_compile(['clang', '-S', 'test.cpp', '-o', 'test.s'])) |
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| 96 | # Input of preprocessed or assembly is not a "normal compile" |
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| 97 | self.assertFalse( |
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| 98 | check_cfc.is_normal_compile(['clang', '-c', 'test.s', '-o', 'test.o'])) |
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| 99 | self.assertFalse( |
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| 100 | check_cfc.is_normal_compile(['clang', '-c', 'test.ii', '-o', 'test.o'])) |
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| 101 | # Specifying --version and -c is not a normal compile |
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| 102 | self.assertFalse( |
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| 103 | check_cfc.is_normal_compile(['clang', '-c', 'test.cpp', '--version'])) |
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| 104 | self.assertFalse( |
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| 105 | check_cfc.is_normal_compile(['clang', '-c', 'test.cpp', '--help'])) |
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| 106 | # Outputting dependency files is not a normal compile |
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| 107 | self.assertFalse( |
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| 108 | check_cfc.is_normal_compile(['clang', '-c', '-M', 'test.cpp'])) |
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| 109 | self.assertFalse( |
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| 110 | check_cfc.is_normal_compile(['clang', '-c', '-MM', 'test.cpp'])) |
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| 111 | # Creating a dependency file as a side effect still outputs an object file |
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| 112 | self.assertTrue( |
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| 113 | check_cfc.is_normal_compile(['clang', '-c', '-MD', 'test.cpp'])) |
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| 114 | self.assertTrue( |
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| 115 | check_cfc.is_normal_compile(['clang', '-c', '-MMD', 'test.cpp'])) |
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| 116 | |
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| 117 | def test_replace_output_file(self): |
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| 118 | self.assertEqual(check_cfc.replace_output_file( |
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| 119 | ['clang', '-o', 'test.o'], 'testg.o'), ['clang', '-o', 'testg.o']) |
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| 120 | self.assertEqual(check_cfc.replace_output_file( |
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| 121 | ['clang', '-otest.o'], 'testg.o'), ['clang', '-otestg.o']) |
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| 122 | with self.assertRaises(Exception): |
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| 123 | check_cfc.replace_output_file(['clang'], 'testg.o') |
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| 124 | |
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| 125 | def test_add_output_file(self): |
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| 126 | self.assertEqual(check_cfc.add_output_file( |
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| 127 | ['clang'], 'testg.o'), ['clang', '-o', 'testg.o']) |
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| 128 | |
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| 129 | def test_set_output_file(self): |
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| 130 | # Test output not specified |
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| 131 | self.assertEqual( |
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| 132 | check_cfc.set_output_file(['clang'], 'test.o'), ['clang', '-o', 'test.o']) |
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| 133 | # Test output is specified |
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| 134 | self.assertEqual(check_cfc.set_output_file( |
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| 135 | ['clang', '-o', 'test.o'], 'testb.o'), ['clang', '-o', 'testb.o']) |
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| 136 | |
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| 137 | def test_get_input_file(self): |
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| 138 | # No input file |
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| 139 | self.assertIsNone(check_cfc.get_input_file(['clang'])) |
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| 140 | # Input C file |
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| 141 | self.assertEqual( |
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| 142 | check_cfc.get_input_file(['clang', 'test.c']), 'test.c') |
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| 143 | # Input C++ file |
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| 144 | self.assertEqual( |
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| 145 | check_cfc.get_input_file(['clang', 'test.cpp']), 'test.cpp') |
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| 146 | # Multiple input files |
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| 147 | self.assertIsNone( |
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| 148 | check_cfc.get_input_file(['clang', 'test.c', 'test2.cpp'])) |
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| 149 | self.assertIsNone( |
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| 150 | check_cfc.get_input_file(['clang', 'test.c', 'test2.c'])) |
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| 151 | # Don't handle preprocessed files |
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| 152 | self.assertIsNone(check_cfc.get_input_file(['clang', 'test.i'])) |
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| 153 | self.assertIsNone(check_cfc.get_input_file(['clang', 'test.ii'])) |
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| 154 | # Test identifying input file with quotes |
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| 155 | self.assertEqual( |
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| 156 | check_cfc.get_input_file(['clang', '"test.c"']), '"test.c"') |
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| 157 | self.assertEqual( |
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| 158 | check_cfc.get_input_file(['clang', "'test.c'"]), "'test.c'") |
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| 159 | # Test multiple quotes |
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| 160 | self.assertEqual( |
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| 161 | check_cfc.get_input_file(['clang', "\"'test.c'\""]), "\"'test.c'\"") |
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| 162 | |
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| 163 | def test_set_input_file(self): |
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| 164 | self.assertEqual(check_cfc.set_input_file( |
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| 165 | ['clang', 'test.c'], 'test.s'), ['clang', 'test.s']) |
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| 166 | |
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| 167 | if __name__ == '__main__': |
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| 168 | unittest.main() |
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| 169 | |
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