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| 1 #!/usr/bin/env python | |
| 2 # | |
| 3 # Copyright 2009 Neal Norwitz All Rights Reserved. | |
| 4 # Portions Copyright 2009 Google Inc. All Rights Reserved. | |
| 5 # | |
| 6 # Licensed under the Apache License, Version 2.0 (the "License"); | |
| 7 # you may not use this file except in compliance with the License. | |
| 8 # You may obtain a copy of the License at | |
| 9 # | |
| 10 # http://www.apache.org/licenses/LICENSE-2.0 | |
| 11 # | |
| 12 # Unless required by applicable law or agreed to in writing, software | |
| 13 # distributed under the License is distributed on an "AS IS" BASIS, | |
| 14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 15 # See the License for the specific language governing permissions and | |
| 16 # limitations under the License. | |
| 17 | |
| 18 """Tests for gmock.scripts.generator.cpp.gmock_class.""" | |
| 19 | |
| 20 __author__ = 'nnorwitz@google.com (Neal Norwitz)' | |
| 21 | |
| 22 | |
| 23 import os | |
| 24 import sys | |
| 25 import unittest | |
| 26 | |
| 27 # Allow the cpp imports below to work when run as a standalone script. | |
| 28 sys.path.append(os.path.join(os.path.dirname(__file__), '..')) | |
| 29 | |
| 30 from cpp import ast | |
| 31 from cpp import gmock_class | |
| 32 | |
| 33 | |
| 34 class TestCase(unittest.TestCase): | |
| 35 """Helper class that adds assert methods.""" | |
| 36 | |
| 37 def assertEqualIgnoreLeadingWhitespace(self, expected_lines, lines): | |
| 38 """Specialized assert that ignores the indent level.""" | |
| 39 stripped_lines = '\n'.join([s.lstrip() for s in lines.split('\n')]) | |
| 40 self.assertEqual(expected_lines, stripped_lines) | |
| 41 | |
| 42 | |
| 43 class GenerateMethodsTest(TestCase): | |
| 44 | |
| 45 def GenerateMethodSource(self, cpp_source): | |
| 46 """Helper method to convert C++ source to gMock output source lines.""" | |
| 47 method_source_lines = [] | |
| 48 # <test> is a pseudo-filename, it is not read or written. | |
| 49 builder = ast.BuilderFromSource(cpp_source, '<test>') | |
| 50 ast_list = list(builder.Generate()) | |
| 51 gmock_class._GenerateMethods(method_source_lines, cpp_source, ast_list[0]) | |
| 52 return ''.join(method_source_lines) | |
| 53 | |
| 54 def testStrangeNewlineInParameter(self): | |
| 55 source = """ | |
| 56 class Foo { | |
| 57 public: | |
| 58 virtual void Bar(int | |
| 59 a) = 0; | |
| 60 }; | |
| 61 """ | |
| 62 self.assertEqualIgnoreLeadingWhitespace( | |
| 63 'MOCK_METHOD1(Bar,\nvoid(int a));', | |
| 64 self.GenerateMethodSource(source)) | |
| 65 | |
| 66 def testDoubleSlashCommentsInParameterListAreRemoved(self): | |
| 67 source = """ | |
| 68 class Foo { | |
| 69 public: | |
| 70 virtual void Bar(int a, // inline comments should be elided. | |
| 71 int b // inline comments should be elided. | |
| 72 ) const = 0; | |
| 73 }; | |
| 74 """ | |
| 75 self.assertEqualIgnoreLeadingWhitespace( | |
| 76 'MOCK_CONST_METHOD2(Bar,\nvoid(int a, int b));', | |
| 77 self.GenerateMethodSource(source)) | |
| 78 | |
| 79 def testCStyleCommentsInParameterListAreNotRemoved(self): | |
| 80 # NOTE(nnorwitz): I'm not sure if it's the best behavior to keep these | |
| 81 # comments. Also note that C style comments after the last parameter | |
| 82 # are still elided. | |
| 83 source = """ | |
| 84 class Foo { | |
| 85 public: | |
| 86 virtual const string& Bar(int /* keeper */, int b); | |
| 87 }; | |
| 88 """ | |
| 89 self.assertEqualIgnoreLeadingWhitespace( | |
| 90 'MOCK_METHOD2(Bar,\nconst string&(int /* keeper */, int b));', | |
| 91 self.GenerateMethodSource(source)) | |
| 92 | |
| 93 | |
| 94 class GenerateMocksTest(TestCase): | |
| 95 | |
| 96 def GenerateMocks(self, cpp_source): | |
| 97 """Helper method to convert C++ source to complete gMock output source.""" | |
| 98 # <test> is a pseudo-filename, it is not read or written. | |
| 99 filename = '<test>' | |
| 100 builder = ast.BuilderFromSource(cpp_source, filename) | |
| 101 ast_list = list(builder.Generate()) | |
| 102 lines = gmock_class._GenerateMocks(filename, cpp_source, ast_list, None) | |
| 103 return '\n'.join(lines) | |
| 104 | |
| 105 def testNamespaces(self): | |
| 106 source = """ | |
| 107 namespace Foo { | |
| 108 namespace Bar { class Forward; } | |
| 109 namespace Baz { | |
| 110 | |
| 111 class Test { | |
| 112 public: | |
| 113 virtual void Foo(); | |
| 114 }; | |
| 115 | |
| 116 } // namespace Baz | |
| 117 } // namespace Foo | |
| 118 """ | |
| 119 expected = """\ | |
| 120 namespace Foo { | |
| 121 namespace Baz { | |
| 122 | |
| 123 class MockTest : public Test { | |
| 124 public: | |
| 125 MOCK_METHOD0(Foo, | |
| 126 void()); | |
| 127 }; | |
| 128 | |
| 129 } // namespace Baz | |
| 130 } // namespace Foo | |
| 131 """ | |
| 132 self.assertEqualIgnoreLeadingWhitespace( | |
| 133 expected, self.GenerateMocks(source)) | |
| 134 | |
| 135 | |
| 136 if __name__ == '__main__': | |
| 137 unittest.main() | |
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