API Referencefunction

function expectOutputAsync()

Waits for output to be rendered (by the test renderer) that matches the provided filters.

function expectOutputAsync(
  select: OutputSelectFilter & {
    timeout?: number;
  },
  ...nested: OutputSelectFilter[]
): Promise<OutputAssertion>;

Notes

• This function uses TestRenderer.expectOutputAsync(), refer to its documentation for details.
• This function is asynchronous and must be await-ed.

Parameters

• select — A set of output filters to match, including optional timeout (defaults to 200ms)
• nested — Further output filters to match, if any

Return value

A promise that’s resolved to an OutputAssertion instance for matching output, or rejected when a timeout occurs.

Examples

test("Wait for output", async (t) => {
  // ... render output somehow
  await expectOutputAsync({ type: "button" });
});