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

_to_have_returned_with_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().toHaveReturnedWith()", () => { const mockFn = fn((x: number) => ({ foo: x + 1 }));
mockFn(5); mockFn(6);
expect(mockFn).toHaveReturnedWith({ foo: 7 });
expect(mockFn).not.toHaveReturnedWith({ foo: 5 });
assertThrows(() => { expect(mockFn).toHaveReturnedWith({ foo: 5 }); }, AssertionError);
assertThrows(() => { expect(mockFn).not.toHaveReturnedWith({ foo: 7 }); }, AssertionError);});
std

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Tagged at
6 months ago