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

• name <string> 套件名称，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 suite, 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> 套件下的函数声明所有子测试和子套件。此函数的第一个参数是 SuiteContext 对象。默认值：空操作函数。

  ¥fn <Function> | <AsyncFunction> The function under suite declaring all subtests and subsuites. The first argument to this function is a SuiteContext object. Default: A no-op function.

• 返回：<Promise> 立即满足 undefined。

  ¥Returns: <Promise> Immediately fulfilled with undefined.

从 node:test 模块导入的 describe() 函数。每次调用此函数都会创建一个子测试。调用顶层 describe 函数后，所有顶层测试和套件都将执行。

¥The describe() function imported from the node:test module. Each invocation of this function results in the creation of a Subtest. After invocation of top level describe functions, all top level tests and suites will execute.