GMOCK 学习笔记一

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#testing #class #leak

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本文介绍了如何使用GMOCK为XXXInterface接口创建Mock类MockXXX，并详细解析了Mock对象的内部结构。在测试用例中，通过EXPECT_CALL设置期望调用并执行测试。每个TEST会产生一个相应的测试类，该类继承自testing::Test，用于执行具体的测试逻辑。

对于某个XXXInterface接口（或是XXXclass类），建立MockXXX类。

Eg:
class XXXInterface{

public:
DoThis(){printf(“Do This of XXXInterface\n”)};

};

通过定义类MockXXX后：

class MockXXX : public XXXInterface {

public:

MockXXX() {}

MOCK_METHOD0(DoThis, void());

};

会生成相应的类结构

class MockXXX : public XXXInterface {

public:

MockXXX() {}

//调用FunctionMocker.invoke

void DoThis(){…}

//返回FunctionMocker. MockSpec。它描述了该mock函数具有的一些信息。

void gmock_DoThis(){…}

//拥有一个FunctionMocker对象，它有一个MockSpec成员

mutable ::testing::FunctionMocker<void()> gmock0_DoThis_53;

};

对于每个TEST

TEST(Testsuitname, testname) {

MockXXX * foo = new MockFXXX;

EXPECT_CALL(*foo, DoThis());

foo->DoThis();

exit(0);

}

都会生成相应的类Testsuitname_testname,它继承了

class Testsuitname_testname : public ::testing::Test {

public: Testsuitname_testname () {}

private: virtual void TestBody();

static ::testing::TestInfo* const test_info_;

Testsuitname_testname (Testsuitname_testname const &);

void operator=( Testsuitname_testname const &);

};

::testing::TestInfo* const Testsuitname_testname ::test_info_ = ::testing::internal::MakeAndRegisterTestInfo( "Testsuitname", " testname ", "", "", (::testing::internal::GetTestTypeId()), ::testing::Test::SetUpTestCase, ::testing::Test::TearDownTestCase, new ::testing::internal::TestFactoryImpl< Testsuitname_testname >);

void Testsuitname_testname::TestBody() {

MocXXX* foo = new MockXXX;

((*foo).gmock_DoThis()).InternalExpectedAt("..\\..\\..\\..\\..\\..\\..\\gmock-1.5.0\\test\\gmock_leak_test_.cc", 62, "*foo", "DoThis()");

foo->DoThis();

exit(0);

}