deno.land / std@0.224.0 / expect / _to_have_returned_test.ts

_to_have_returned_test.ts
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { expect } from "./expect.ts";import { fn } from "./fn.ts";import { AssertionError, assertThrows } from "../assert/mod.ts";
Deno.test("expect().toHaveReturned()", () => { const mockFn0 = fn(); const mockFn1 = fn(() => { throw new Error("foo"); });
mockFn0(); try { mockFn1(); } catch { // ignore }
expect(mockFn0).toHaveReturned();
expect(mockFn1).not.toHaveReturned();
assertThrows(() => { expect(mockFn1).toHaveReturned(); }, AssertionError);
assertThrows(() => { expect(mockFn0).not.toHaveReturned(); }, AssertionError);});
std

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Tagged at
3 weeks ago