单元测试框架:gjstest
b77m
9年前
gjstest(Google JS Test)是在 V8 引擎上快速运行 javascript 单元测试框架的工具,且不需要用户启动完整的浏览器。当然,假如你在 V8 上面测试的时候没有浏览器也没有 DOM 的话,你可以使用本工具来完成测试。
特征如下:
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能够极快的启动测试和执行测试,且不需要运行浏览器
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输出可读的测试结果,测试失败也可读、明了
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一个基于浏览器的测试运行工具能够随 JS 的变化而变化
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风格和语义都类似 C++风格
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内置模拟框架,所以只需要极少的代码即可完成测试
代码示例:
function UserInfoTest() { // Each test function gets its own instance of UserInfoTest, so tests can // use instance variables to store state that doesn't affect other tests. // There's no need to write a tearDown method, unless you modify global // state. // // Create an instance of the class under test here, giving it a mock // function that we also keep a reference to below. this.getInfoFromDb_ = createMockFunction(); this.userInfo_ = new UserInfo(this.getInfoFromDb_); } registerTestSuite(UserInfoTest); addTest(UserInfoTest, function formatsUSPhoneNumber() { // Expect a call to the database function with the argument 0xdeadbeef. When // the call is received, return the supplied string. expectCall(this.getInfoFromDb_)(0xdeadbeef) .willOnce(returnWith('phone_number: "650 253 0000"')); // Make sure that our class returns correctly formatted output. expectEq('(650) 253-0000', this.userInfo_.getPhoneForId(0xdeadbeef)); }); addTest(UserInfoTest, function returnsLastNameFirst() { expectCall(this.getInfoFromDb_)(0xdeadbeef) .willOnce(returnWith('given_name: "John" family_name: "Doe"')); // Make sure that our class puts the last name first. expectEq('Doe, John', this.userInfo_.getNameForId(0xdeadbeef)); });