it([name][, options][, fn])

• name <string> 测试的名称，报告测试结果时显示。默认值：fn 的 name 属性，如果 fn 没有名称，则为 '<anonymous>'。

  ¥name <string> The name of the test, which is displayed when reporting test results. Default: The name property of fn, or '<anonymous>' if fn does not have a name.

• options <Object> 套件的配置选项。支持与 test([name][, options][, fn]) 相同的选项。

  ¥options <Object> Configuration options for the suite. supports the same options as test([name][, options][, fn]).

• fn <Function> | <AsyncFunction> 被测试的函数。如果测试使用回调，则回调函数作为参数传递。默认值：空操作函数。

  ¥fn <Function> | <AsyncFunction> The function under test. If the test uses callbacks, the callback function is passed as an argument. Default: A no-op function.

• 返回：undefined。

  ¥Returns: undefined.

it() 函数是从 node:test 模块导入的值。每次调用此函数都会导致在 TAP 输出中创建一个测试点。

¥The it() function is the value imported from the node:test module. Each invocation of this function results in the creation of a test point in the TAP output.