Function assertOptions

testing/bdd_test.ts:149–184

* Asserts that `Deno.test` is called with the correct options for the `it` call in the callback function. * This is used to reduce code duplication when testing calling `it` with different call signatures.

(
    expectedOptions: Omit<Deno.TestDefinition, "name" | "fn">,
    cb: (fn: Spy) => void,
  )

   * This is used to reduce code duplication when testing calling `it` with different call signatures.
   */
  async function assertOptions<T>(
    expectedOptions: Omit<Deno.TestDefinition, "name" | "fn">,
    cb: (fn: Spy) => void,
  ) {
    using test = stub(Deno, "test");
    const fn = spy();
    try {
      cb(fn);

      assertSpyCalls(fn, 0);
      assertSpyCall(test, 0);
      const call = test.calls[0];
      const options = call?.args[0] as Deno.TestDefinition;
      assertEquals(
        Object.keys(options).sort(),
        ["name", "fn", ...Object.keys(expectedOptions)].sort(),
      );
      assertObjectMatch(options, {
        name: "example",
        ...expectedOptions,
      });

      const context = new TestContext("example");
      const result = options.fn(context);
      assertStrictEquals(Promise.resolve(result), result);
      assertEquals(await result, undefined);
      assertSpyCalls(context.spies.step, 0);
      assertSpyCall(fn, 0, {
        self: {},
        args: [context],
        returned: undefined,
      });
    } finally {
      TestSuiteInternal.reset();
    }
  }

  /**
   * Asserts that `Deno.test` is called with just the name and function for the `it` call in the callback function.