From c2ad46a5df4414fc2b804c53525f4578f01a3dfe Mon Sep 17 00:00:00 2001 From: "zhanyong.wan" Date: Tue, 2 Jun 2009 20:41:21 +0000 Subject: Improves gmock generator and adds a test for it (by Neal Norwitz). --- scripts/generator/cpp/gmock_class_test.py | 137 ++++++++++++++++++++++++++++++ 1 file changed, 137 insertions(+) create mode 100755 scripts/generator/cpp/gmock_class_test.py (limited to 'scripts/generator/cpp/gmock_class_test.py') diff --git a/scripts/generator/cpp/gmock_class_test.py b/scripts/generator/cpp/gmock_class_test.py new file mode 100755 index 00000000..0132eef4 --- /dev/null +++ b/scripts/generator/cpp/gmock_class_test.py @@ -0,0 +1,137 @@ +#!/usr/bin/env python +# +# Copyright 2009 Neal Norwitz All Rights Reserved. +# Portions Copyright 2009 Google Inc. All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Tests for gmock.scripts.generator.cpp.gmock_class.""" + +__author__ = 'nnorwitz@google.com (Neal Norwitz)' + + +import os +import sys +import unittest + +# Allow the cpp imports below to work when run as a standalone script. +sys.path.append(os.path.dirname(os.path.dirname(__file__))) + +from cpp import ast +from cpp import gmock_class + + +class TestCase(unittest.TestCase): + """Helper class that adds assert methods.""" + + def assertEqualIgnoreLeadingWhitespace(self, expected_lines, lines): + """Specialized assert that ignores the indent level.""" + stripped_lines = '\n'.join([s.lstrip() for s in lines.split('\n')]) + self.assertEqual(expected_lines, stripped_lines) + + +class GenerateMethodsTest(TestCase): + + def GenerateMethodSource(self, cpp_source): + """Helper method to convert C++ source to gMock output source lines.""" + method_source_lines = [] + # is a pseudo-filename, it is not read or written. + builder = ast.BuilderFromSource(cpp_source, '') + ast_list = list(builder.Generate()) + gmock_class._GenerateMethods(method_source_lines, cpp_source, ast_list[0]) + return ''.join(method_source_lines) + + def testStrangeNewlineInParameter(self): + source = """ +class Foo { + public: + virtual void Bar(int +a) = 0; +}; +""" + self.assertEqualIgnoreLeadingWhitespace( + 'MOCK_METHOD1(Bar,\nvoid(int a));', + self.GenerateMethodSource(source)) + + def testDoubleSlashCommentsInParameterListAreRemoved(self): + source = """ +class Foo { + public: + virtual void Bar(int a, // inline comments should be elided. + int b // inline comments should be elided. + ) const = 0; +}; +""" + self.assertEqualIgnoreLeadingWhitespace( + 'MOCK_CONST_METHOD2(Bar,\nvoid(int a, int b));', + self.GenerateMethodSource(source)) + + def testCStyleCommentsInParameterListAreNotRemoved(self): + # NOTE(nnorwitz): I'm not sure if it's the best behavior to keep these + # comments. Also note that C style comments after the last parameter + # are still elided. + source = """ +class Foo { + public: + virtual const string& Bar(int /* keeper */, int b); +}; +""" + self.assertEqualIgnoreLeadingWhitespace( + 'MOCK_METHOD2(Bar,\nconst string&(int /* keeper */, int b));', + self.GenerateMethodSource(source)) + + +class GenerateMocksTest(TestCase): + + def GenerateMocks(self, cpp_source): + """Helper method to convert C++ source to complete gMock output source.""" + # is a pseudo-filename, it is not read or written. + filename = '' + builder = ast.BuilderFromSource(cpp_source, filename) + ast_list = list(builder.Generate()) + lines = gmock_class._GenerateMocks(filename, cpp_source, ast_list, None) + return '\n'.join(lines) + + def testNamespaces(self): + source = """ +namespace Foo { +namespace Bar { class Forward; } +namespace Baz { + +class Test { + public: + virtual void Foo(); +}; + +} // namespace Baz +} // namespace Foo +""" + expected = """\ +namespace Foo { +namespace Baz { + +class MockTest : public Test { +public: +MOCK_METHOD0(Foo, +void()); +}; + +} // namespace Baz +} // namespace Foo +""" + self.assertEqualIgnoreLeadingWhitespace( + expected, self.GenerateMocks(source)) + + +if __name__ == '__main__': + unittest.main() -- cgit v1.2.3