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How to use assertions.throwsAsync method in ava

Best JavaScript code snippet using ava

assert.js

Source:assert.js

...734	t.end();735});736test('.throwsAsync()', gather(t => {737	// Fails because the promise is resolved, not rejected.738	eventuallyFailsWith(t, () => assertions.throwsAsync(Promise.resolve('foo')), {739		assertion: 'throwsAsync',740		message: '',741		values: [{label: 'Promise resolved with:', formatted: /'foo'/}]742	});743	// Fails because the promise is resolved with an Error744	eventuallyFailsWith(t, () => assertions.throwsAsync(Promise.resolve(new Error())), {745		assertion: 'throwsAsync',746		message: '',747		values: [{label: 'Promise resolved with:', formatted: /Error/}]748	});749	// Fails because the function returned a promise that resolved, not rejected.750	eventuallyFailsWith(t, () => assertions.throwsAsync(() => Promise.resolve('foo')), {751		assertion: 'throwsAsync',752		message: '',753		values: [{label: 'Returned promise resolved with:', formatted: /'foo'/}]754	});755	// Passes because the promise was rejected with an error.756	eventuallyPasses(t, () => assertions.throwsAsync(Promise.reject(new Error())));757	// Passes because the function returned a promise rejected with an error.758	eventuallyPasses(t, () => assertions.throwsAsync(() => Promise.reject(new Error())));759	// Passes because the error's message matches the regex760	eventuallyPasses(t, () => assertions.throwsAsync(Promise.reject(new Error('abc')), /abc/));761	// Fails because the error's message does not match the regex762	eventuallyFailsWith(t, () => assertions.throwsAsync(Promise.reject(new Error('abc')), /def/), {763		assertion: 'throwsAsync',764		message: '',765		values: [766			{label: 'Promise rejected with unexpected exception:', formatted: /Error/},767			{label: 'Expected message to match:', formatted: /\/def\//}768		]769	});770	// Fails because the function throws synchronously771	eventuallyFailsWith(t, () => assertions.throwsAsync(() => {772		throw new Error('sync');773	}, null, 'message'), {774		assertion: 'throwsAsync',775		message: 'message',776		values: [777			{label: 'Function threw synchronously. Use `t.throws()` instead:', formatted: /Error/}778		]779	});780	// Fails because the function did not return a promise781	eventuallyFailsWith(t, () => assertions.throwsAsync(() => {}, null, 'message'), {782		assertion: 'throwsAsync',783		message: 'message',784		values: [785			{label: 'Function returned:', formatted: /undefined/}786		]787	});788}));789test('.throwsAsync() returns the rejection reason of promise', t => {790	const expected = new Error();791	return assertions.throwsAsync(Promise.reject(expected)).then(actual => {792		t.is(actual, expected);793		t.end();794	});795});796test('.throwsAsync() returns the rejection reason of a promise returned by the function', t => {797	const expected = new Error();798	return assertions.throwsAsync(() => {799		return Promise.reject(expected);800	}).then(actual => {801		t.is(actual, expected);802		t.end();803	});804});805test('.throws() fails if passed a bad value', t => {806	failsWith(t, () => {807		assertions.throws('not a function');808	}, {809		assertion: 'throws',810		message: '`t.throws()` must be called with a function',811		values: [{label: 'Called with:', formatted: /not a function/}]812	});813	t.end();814});815test('.throwsAsync() fails if passed a bad value', t => {816	failsWith(t, () => {817		assertions.throwsAsync('not a function');818	}, {819		assertion: 'throwsAsync',820		message: '`t.throwsAsync()` must be called with a function or promise',821		values: [{label: 'Called with:', formatted: /not a function/}]822	});823	t.end();824});825test('.throws() fails if passed a bad expectation', t => {826	failsWith(t, () => {827		assertions.throws(() => {}, true);828	}, {829		assertion: 'throws',830		message: 'The second argument to `t.throws()` must be a function, string, regular expression, expectation object or `null`',831		values: [{label: 'Called with:', formatted: /true/}]832	});833	failsWith(t, () => {834		assertions.throws(() => {}, {});835	}, {836		assertion: 'throws',837		message: 'The second argument to `t.throws()` must be a function, string, regular expression, expectation object or `null`',838		values: [{label: 'Called with:', formatted: /\{\}/}]839	});840	failsWith(t, () => {841		assertions.throws(() => {}, []);842	}, {843		assertion: 'throws',844		message: 'The second argument to `t.throws()` must be a function, string, regular expression, expectation object or `null`',845		values: [{label: 'Called with:', formatted: /\[\]/}]846	});847	failsWith(t, () => {848		assertions.throws(() => {}, {code: {}});849	}, {850		assertion: 'throws',851		message: 'The `code` property of the second argument to `t.throws()` must be a string or number',852		values: [{label: 'Called with:', formatted: /code: {}/}]853	});854	failsWith(t, () => {855		assertions.throws(() => {}, {instanceOf: null});856	}, {857		assertion: 'throws',858		message: 'The `instanceOf` property of the second argument to `t.throws()` must be a function',859		values: [{label: 'Called with:', formatted: /instanceOf: null/}]860	});861	failsWith(t, () => {862		assertions.throws(() => {}, {message: null});863	}, {864		assertion: 'throws',865		message: 'The `message` property of the second argument to `t.throws()` must be a string or regular expression',866		values: [{label: 'Called with:', formatted: /message: null/}]867	});868	failsWith(t, () => {869		assertions.throws(() => {}, {name: null});870	}, {871		assertion: 'throws',872		message: 'The `name` property of the second argument to `t.throws()` must be a string',873		values: [{label: 'Called with:', formatted: /name: null/}]874	});875	failsWith(t, () => {876		assertions.throws(() => {}, {is: {}, message: '', name: '', of() {}, foo: null});877	}, {878		assertion: 'throws',879		message: 'The second argument to `t.throws()` contains unexpected properties',880		values: [{label: 'Called with:', formatted: /foo: null/}]881	});882	t.end();883});884test('.throwsAsync() fails if passed a bad expectation', t => {885	failsWith(t, () => {886		assertions.throwsAsync(() => {}, true);887	}, {888		assertion: 'throwsAsync',889		message: 'The second argument to `t.throwsAsync()` must be a function, string, regular expression, expectation object or `null`',890		values: [{label: 'Called with:', formatted: /true/}]891	});892	failsWith(t, () => {893		assertions.throwsAsync(() => {}, {});894	}, {895		assertion: 'throwsAsync',896		message: 'The second argument to `t.throwsAsync()` must be a function, string, regular expression, expectation object or `null`',897		values: [{label: 'Called with:', formatted: /\{\}/}]898	});899	failsWith(t, () => {900		assertions.throwsAsync(() => {}, []);901	}, {902		assertion: 'throwsAsync',903		message: 'The second argument to `t.throwsAsync()` must be a function, string, regular expression, expectation object or `null`',904		values: [{label: 'Called with:', formatted: /\[\]/}]905	});906	failsWith(t, () => {907		assertions.throwsAsync(() => {}, {code: {}});908	}, {909		assertion: 'throwsAsync',910		message: 'The `code` property of the second argument to `t.throwsAsync()` must be a string or number',911		values: [{label: 'Called with:', formatted: /code: {}/}]912	});913	failsWith(t, () => {914		assertions.throwsAsync(() => {}, {instanceOf: null});915	}, {916		assertion: 'throwsAsync',917		message: 'The `instanceOf` property of the second argument to `t.throwsAsync()` must be a function',918		values: [{label: 'Called with:', formatted: /instanceOf: null/}]919	});920	failsWith(t, () => {921		assertions.throwsAsync(() => {}, {message: null});922	}, {923		assertion: 'throwsAsync',924		message: 'The `message` property of the second argument to `t.throwsAsync()` must be a string or regular expression',925		values: [{label: 'Called with:', formatted: /message: null/}]926	});927	failsWith(t, () => {928		assertions.throwsAsync(() => {}, {name: null});929	}, {930		assertion: 'throwsAsync',931		message: 'The `name` property of the second argument to `t.throwsAsync()` must be a string',932		values: [{label: 'Called with:', formatted: /name: null/}]933	});934	failsWith(t, () => {935		assertions.throwsAsync(() => {}, {is: {}, message: '', name: '', of() {}, foo: null});936	}, {937		assertion: 'throwsAsync',938		message: 'The second argument to `t.throwsAsync()` contains unexpected properties',939		values: [{label: 'Called with:', formatted: /foo: null/}]940	});941	t.end();942});943test('.notThrows()', gather(t => {944	// Passes because the function doesn't throw945	passes(t, () => {946		assertions.notThrows(() => {});947	});948	// Fails because the function throws.949	failsWith(t, () => {...

Using AI Code Generation

1import test from 'ava';2test('throwsAsync', async t => {3  const error = await t.throwsAsync(Promise.reject(new Error('foo')));4  t.is(error.message, 'foo');5});6import test from 'ava';7test('throwsAsync', async t => {8  const error = await t.throwsAsync(Promise.reject(new Error('foo')));9  t.is(error.message, 'foo');10});11import test from 'ava';12test('throwsAsync', async t => {13  const error = await t.throwsAsync(Promise.reject(new Error('foo')));14  t.is(error.message, 'foo');15});16import test from 'ava';17test('throwsAsync', async t => {18  const error = await t.throwsAsync(Promise.reject(new Error('foo')));19  t.is(error.message, 'foo');20});21import test from 'ava';22test('throwsAsync', async t => {23  const error = await t.throwsAsync(Promise.reject(new Error('foo')));24  t.is(error.message, 'foo');25});26import test from 'ava';27test('throwsAsync', async t => {28  const error = await t.throwsAsync(Promise.reject(new Error('foo')));29  t.is(error.message, 'foo');30});31import test from 'ava';32test('throwsAsync', async t => {33  const error = await t.throwsAsync(Promise.reject(new Error('foo')));34  t.is(error.message, 'foo');35});36import test from 'ava';37test('throwsAsync', async t => {38  const error = await t.throwsAsync(Promise.reject(new Error('foo')));39  t.is(error.message, 'foo');40});41import test from 'ava';42test('throwsAsync', async t => {

Using AI Code Generation

1const test = require('ava');2const { throwsAsync } = require('ava');3test('throwsAsync', async t => {4  await t.throwsAsync(async () => {5    throw new Error('foo');6  }, 'foo');7});8const test = require('ava');9const { throwsAsync } = require('ava');10test('throwsAsync', async t => {11  await t.throwsAsync(async () => {12    throw new Error('foo');13  }, 'foo');14});15const test = require('ava');16const { throwsAsync } = require('ava');17test('throwsAsync', async t => {18  await t.throwsAsync(async () => {19    throw new Error('foo');20  }, 'foo');21});22const test = require('ava');23const { throwsAsync } = require('ava');24test('throwsAsync', async t => {25  await t.throwsAsync(async () => {26    throw new Error('foo');27  }, 'foo');28});29const test = require('ava');30const { throwsAsync } = require('ava');31test('throwsAsync', async t => {32  await t.throwsAsync(async () => {33    throw new Error('foo');34  }, 'foo');35});36const test = require('ava');37const { throwsAsync } = require('ava');38test('throwsAsync', async t => {39  await t.throwsAsync(async () => {40    throw new Error('foo');41  }, 'foo');42});43const test = require('ava');44const { throwsAsync } = require('ava');45test('throwsAsync', async t => {46  await t.throwsAsync(async () => {47    throw new Error('foo');48  }, 'foo');49});50const test = require('ava');51const { throwsAsync } = require('ava');52test('throwsAsync', async t => {

Using AI Code Generation

1const test = require('ava');2const assert = require('assert');3const { throwsAsync } = require('assert');4test('throwsAsync', async t => {5    await t.throwsAsync(async () => {6        throw new Error('error');7    });8});9test('assert.throwsAsync', async t => {10    await assert.throwsAsync(async () => {

Using AI Code Generation

1const test = require('ava');2const { throwsAsync } = require('ava');3const { rejects } = require('assert');4const { rejectsAsync } = require('assert');5const { throws } = require('assert');6const { doesNotReject } = require('assert');7const { doesNotRejectAsync } = require('assert');8const { doesNotThrow } = require('assert');9const { doesNotThrowAsync } = require('assert');10const { ifError } = require('assert');11const { ok } = require('assert');12const { strict } = require('assert');13test('throwsAsync', async t => {14  const error = await throwsAsync(15    async () => {16      throw new Error('foo');17    },18  );19  t.is(error.message, 'foo');20});21test('rejects', t => {22  const promise = Promise.reject(new Error('foo'));23  return rejects(promise, Error).then(error => {24    t.is(error.message, 'foo');25  });26});27test('rejectsAsync', async t => {28  await rejectsAsync(29    async () => {30      throw new Error('foo');31    },32  );33});34test('throws', () => {35  throws(36    () => {37      throw new Error('foo');38    },39  );40});41test('doesNotReject', () => {42  const promise = Promise.resolve();43  return doesNotReject(promise);44});45test('doesNotRejectAsync', async t => {46  await doesNotRejectAsync(async () => {});47});48test('doesNotThrow', () => {49  doesNotThrow(50    () => {51      throw new Error('foo');52    },53  );54});55test('doesNotThrowAsync', async t => {56  await doesNotThrowAsync(async () => {57    throw new Error('foo');58  });59});60test('ifError', () => {61  ifError(new Error('foo'));62});63test('ok', () => {64  ok(true);65});66test('strict', () => {67  strict(true, true);68});69const test = require('ava');70test('falsy', t => {71  t.falsy(0);72  t.falsy('');73  t.falsy(false);74  t.falsy(undefined);75  t.falsy(null);76  t.falsy(NaN);77});

Using AI Code Generation

1import test from 'ava';2import { throwsAsync } from 'assert';3test('throwsAsync', async t => {4    await t.throwsAsync(Promise.reject(new Error('foo')), 'foo');5});6const chai = require('chai');7const chaiAsPromised = require('chai-as-promised');8chai.use(chaiAsPromised);9const { expect } = chai;10it('should be fulfilled', () => {11    return expect(Promise.resolve(1)).to.be.fulfilled;12});13it('should be rejected', () => {14    return expect(Promise.reject(new Error('foo'))).to.be.rejected;15});16it('should be fulfilled with 1', () => {17    return expect(Promise.resolve(1)).to.eventually.equal(1);18});19it('should be rejected with foo', () => {20    return expect(Promise.reject(new Error('foo'))).to.eventually.be.rejectedWith('foo');21});22const chai = require('chai');23const chaiAsPromised = require('chai-as-promised');24chai.use(chaiAsPromised);25const { expect } = chai;26it('should be fulfilled', async () => {27    await expect(Promise.resolve(1)).to.be.fulfilled;28});29it('should be rejected', async () => {30    await expect(Promise.reject(new Error('foo'))).to.be.rejected;31});32it('should be fulfilled with 1', async () => {33    await expect(Promise.resolve(1)).to.eventually.equal(1);34});35it('should be rejected with foo', async () => {36    await expect(Promise.reject(new Error('foo'))).to.eventually.be.rejectedWith('foo');37});38import test from 'ava';39import { expect } from 'chai';40test('should be fulfilled', async () => {41    await expect(Promise.resolve(1)).to.be.fulfilled;42});43test('should be rejected', async () => {44    await expect(Promise.reject(new Error('foo'))).to.be.rejected;45});46test('should be fulfilled with 1', async () => {47    await expect(Promise.resolve(1)).to.eventually.equal(1);48});49test('

Using AI Code Generation

1import test from 'ava';2import assert from 'assert';3import { throwsAsync } from 'ava';4test('throwsAsync', async t => {5  await t.throwsAsync(throwsAsync(new Error('foo')), 'foo');6  await t.throwsAsync(throwsAsync(new Error('bar')), /bar/);7  await t.throwsAsync(throwsAsync(new Error('baz')), {8  });9});10import test from 'ava';11import assert from 'assert';12test('assert.rejects', async t => {13  await assert.rejects(Promise.reject(new Error('foo')), 'foo');14  await assert.rejects(Promise.reject(new Error('bar')), /bar/);15  await assert.rejects(Promise.reject(new Error('baz')), {16  });17});18import test from 'ava';19import assert from 'assert';20import { throwsAsync } from 'ava';21test('throwsAsync', async t => {22  await t.throwsAsync(Promise.reject(new Error('foo')), 'foo');23  await t.throwsAsync(Promise.reject(new Error('bar')), /bar/);24  await t.throwsAsync(Promise.reject(new Error('baz')), {25  });26});27import test from 'ava';28import assert from 'assert';29test('assert.rejects', async t => {30  await assert.rejects(Promise.reject(new Error('foo')), 'foo');31  await assert.rejects(Promise.reject(new Error('bar')), /bar/);32  await assert.rejects(Promise.reject(new Error('baz')), {33  });34});

Using AI Code Generation

1const test = require('ava');2const { throwsAsync } = require('ava');3const { assert } = require('chai');4const { get } = require('axios');5test('check if the url is valid', async t => {6  const response = await get(url);7  t.is(response.status, 200);8});9test('check if the url is invalid', async t => {10  const response = await get(url);11  t.is(response.status, 400);12});13test('check if the url is invalid', async t => {14  const response = await get(url);15  t.is(response.status, 400);16});17test('check if the url is invalid', async t => {18  const response = await get(url);19  t.is(response.status, 400);20});21test('check if the url is invalid', async t => {22  const response = await get(url);23  t.is(response.status, 400);24});25test('check if the url is invalid', async t => {26  const response = await get(url);27  t.is(response.status, 400);28});29test('check if the url is invalid', async t => {30  const response = await get(url);31  t.is(response.status, 400);32});33test('check if the url is invalid', async t => {34  const response = await get(url);35  t.is(response.status, 400);36});37test('check if the url is invalid', async t => {38  const response = await get(url);39  t.is(response.status, 400);40});41test('check if the url is invalid', async t => {42  const response = await get(url);43  t.is(response.status, 400);44});45test('check if the url is invalid', async t => {46  const response = await get(url);47  t.is(response.status,

Using AI Code Generation

1const test = require('ava');2const { throwsAsync } = require('ava');3const { add } = require('./add');4test('Testing the add function', async t => {5    await t.throwsAsync(() => add(1, 2), { message: 'Invalid input' });6});7const add = (a, b) => {8    throw new Error('Invalid input');9};10module.exports = {11};12const test = require('ava');13const { throws } = require('ava');14const { add } = require('./add');15test('Testing the add function', t => {16    t.throws(() => add(1, 2), { message: 'Invalid input' });17});18const add = (a, b) => {19    throw new Error('Invalid input');20};21module.exports = {22};23Assertions using .notThrowsAsync() and .notThrows()24const test = require('ava');25const { notThrowsAsync } = require('ava');26const { add } = require('./add');27test('Testing the add function', async t => {28    await t.notThrowsAsync(() => add(1, 2));29});30const add = (a, b) => {31    return a + b;32};33module.exports = {34};35Assertions using .snapshot()36const test = require('ava');37const { snapshot } = require('ava');38const { add } = require('./add');39test('Testing

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