我在fix-order-test.js文件中有一个测试“works with nested children”。
运行下面的代码将运行文件中的所有测试。
jest fix-order-test
如何只运行一个测试?下面的方法无法工作,因为它搜索指定的正则表达式的文件。
jest 'works with nested children'
我在fix-order-test.js文件中有一个测试“works with nested children”。
运行下面的代码将运行文件中的所有测试。
jest fix-order-test
如何只运行一个测试?下面的方法无法工作,因为它搜索指定的正则表达式的文件。
jest 'works with nested children'
当前回答
Jest文档建议如下:
如果测试失败,首先要检查的事情之一应该是 当测试是唯一运行的测试时,测试是否失败。在开玩笑 只运行一个测试很简单——只是临时更改该测试 命令到test.only
test.only('this will be the only test that runs', () => {
expect(true).toBe(false);
});
or
it.only('this will be the only test that runs', () => {
expect(true).toBe(false);
});
其他回答
正如前面的回答所述,您可以运行该命令
jest -t 'fix-order-test'
如果你在描述块中有一个it,你必须运行
jest -t '<describeString> <itString>'
您还可以使用f或x来集中或排除一个测试。例如
fit('only this test will run', () => {
expect(true).toBe(false);
});
it('this test will not run', () => {
expect(true).toBe(false);
});
xit('this test will be ignored', () => {
expect(true).toBe(false);
});
运行命令行:
npm run test-jest unit_test/file_name -- -t test_name
我Package.json
"test-jest": "jest --verbose=true --force-exit",
"test-jest:watch": "jest --watchAll",
以下是我的看法:
./node_modules/.bin/jest --config test/jest-unit-config.json --runInBand src/components/OpenForm/OpenForm.spec.js -t 'show expanded'
注:
./node_modules/.bin/... is a wonderful way, to access the locally installed Jest (or Mocha or...) binary that came with the locally installed package. (Yes, in your npm scripts you can jest with nothing before, but this is handy on command line... (that's also a good start for your debugging config, whichever IDE you are using...) Your project might not have a set of configuration options. But if it does (peek into the scripts in package.json), this is, what you need. --runInBand – as said, don't know about your configuration, but if you concentrate on developing/fixing a single test, you rather do not want to deal with web workers... Yes, you can give the whole, explicit path to your file Optionally, you can use -t to not run all tests in that file, but only a single one (here: the one, that has something with ‘show expanded’ in its name). Same effect can be achieved by glueing .only() into that file.
Use:
npm run test -- test-name
只有当您的测试规范名称是唯一的时,这才会起作用。
上面的代码将引用一个名为test-name.component.spec.ts的文件