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How to use getErrorWithLongStackTrace method in ava

Best JavaScript code snippet using ava

assert.js

Source:assert.js

...47		this.statements = [];48		if (options.savedError) {49			this.savedError = options.savedError;50		} else {51			this.savedError = getErrorWithLongStackTrace();52		}53	}54}55exports.AssertionError = AssertionError;56function checkAssertionMessage(assertion, message) {57	if (typeof message === 'undefined' || typeof message === 'string') {58		return true;59	}60	return new AssertionError({61		assertion,62		improperUsage: true,63		message: 'The assertion message must be a string',64		values: [formatWithLabel('Called with:', message)]65	});66}67exports.checkAssertionMessage = checkAssertionMessage;68function getErrorWithLongStackTrace() {69	const limitBefore = Error.stackTraceLimit;70	Error.stackTraceLimit = Number.POSITIVE_INFINITY;71	const error = new Error(); // eslint-disable-line unicorn/error-message72	Error.stackTraceLimit = limitBefore;73	return error;74}75function validateExpectations(assertion, expectations, numberArgs) { // eslint-disable-line complexity76	if (numberArgs === 1 || expectations === null || expectations === undefined) {77		if (expectations === null) {78			throw new AssertionError({79				assertion,80				message: `The second argument to \`t.${assertion}()\` must be an expectation object or \`undefined\``,81				values: [formatWithLabel('Called with:', expectations)]82			});83		}84		expectations = {};85	} else if (86		typeof expectations === 'function' ||87		typeof expectations === 'string' ||88		expectations instanceof RegExp ||89		typeof expectations !== 'object' ||90		Array.isArray(expectations) ||91		Object.keys(expectations).length === 092	) {93		throw new AssertionError({94			assertion,95			message: `The second argument to \`t.${assertion}()\` must be an expectation object, \`null\` or \`undefined\``,96			values: [formatWithLabel('Called with:', expectations)]97		});98	} else {99		if (hasOwnProperty(expectations, 'instanceOf') && typeof expectations.instanceOf !== 'function') {100			throw new AssertionError({101				assertion,102				message: `The \`instanceOf\` property of the second argument to \`t.${assertion}()\` must be a function`,103				values: [formatWithLabel('Called with:', expectations)]104			});105		}106		if (hasOwnProperty(expectations, 'message') && typeof expectations.message !== 'string' && !(expectations.message instanceof RegExp)) {107			throw new AssertionError({108				assertion,109				message: `The \`message\` property of the second argument to \`t.${assertion}()\` must be a string or regular expression`,110				values: [formatWithLabel('Called with:', expectations)]111			});112		}113		if (hasOwnProperty(expectations, 'name') && typeof expectations.name !== 'string') {114			throw new AssertionError({115				assertion,116				message: `The \`name\` property of the second argument to \`t.${assertion}()\` must be a string`,117				values: [formatWithLabel('Called with:', expectations)]118			});119		}120		if (hasOwnProperty(expectations, 'code') && typeof expectations.code !== 'string' && typeof expectations.code !== 'number') {121			throw new AssertionError({122				assertion,123				message: `The \`code\` property of the second argument to \`t.${assertion}()\` must be a string or number`,124				values: [formatWithLabel('Called with:', expectations)]125			});126		}127		for (const key of Object.keys(expectations)) {128			switch (key) {129				case 'instanceOf':130				case 'is':131				case 'message':132				case 'name':133				case 'code':134					continue;135				default:136					throw new AssertionError({137						assertion,138						message: `The second argument to \`t.${assertion}()\` contains unexpected properties`,139						values: [formatWithLabel('Called with:', expectations)]140					});141			}142		}143	}144	return expectations;145}146// Note: this function *must* throw exceptions, since it can be used147// as part of a pending assertion for promises.148function assertExpectations({assertion, actual, expectations, message, prefix, savedError}) {149	if (!isError(actual)) {150		throw new AssertionError({151			assertion,152			message,153			savedError,154			values: [formatWithLabel(`${prefix} exception that is not an error:`, actual)]155		});156	}157	const actualStack = actual.stack;158	if (hasOwnProperty(expectations, 'is') && actual !== expectations.is) {159		throw new AssertionError({160			assertion,161			message,162			savedError,163			actualStack,164			values: [165				formatWithLabel(`${prefix} unexpected exception:`, actual),166				formatWithLabel('Expected to be strictly equal to:', expectations.is)167			]168		});169	}170	if (expectations.instanceOf && !(actual instanceof expectations.instanceOf)) {171		throw new AssertionError({172			assertion,173			message,174			savedError,175			actualStack,176			values: [177				formatWithLabel(`${prefix} unexpected exception:`, actual),178				formatWithLabel('Expected instance of:', expectations.instanceOf)179			]180		});181	}182	if (typeof expectations.name === 'string' && actual.name !== expectations.name) {183		throw new AssertionError({184			assertion,185			message,186			savedError,187			actualStack,188			values: [189				formatWithLabel(`${prefix} unexpected exception:`, actual),190				formatWithLabel('Expected name to equal:', expectations.name)191			]192		});193	}194	if (typeof expectations.message === 'string' && actual.message !== expectations.message) {195		throw new AssertionError({196			assertion,197			message,198			savedError,199			actualStack,200			values: [201				formatWithLabel(`${prefix} unexpected exception:`, actual),202				formatWithLabel('Expected message to equal:', expectations.message)203			]204		});205	}206	if (expectations.message instanceof RegExp && !expectations.message.test(actual.message)) {207		throw new AssertionError({208			assertion,209			message,210			savedError,211			actualStack,212			values: [213				formatWithLabel(`${prefix} unexpected exception:`, actual),214				formatWithLabel('Expected message to match:', expectations.message)215			]216		});217	}218	if (typeof expectations.code !== 'undefined' && actual.code !== expectations.code) {219		throw new AssertionError({220			assertion,221			message,222			savedError,223			actualStack,224			values: [225				formatWithLabel(`${prefix} unexpected exception:`, actual),226				formatWithLabel('Expected code to equal:', expectations.code)227			]228		});229	}230}231class Assertions {232	constructor({233		pass = notImplemented,234		pending = notImplemented,235		fail = notImplemented,236		skip = notImplemented,237		compareWithSnapshot = notImplemented,238		powerAssert,239		experiments = {},240		disableSnapshots = false241	} = {}) {242		const withSkip = assertionFn => {243			assertionFn.skip = skip;244			return assertionFn;245		};246		// When adding new enhanced functions with new patterns, don't forget to247		// enable the pattern in the power-assert compilation step in @ava/babel.248		const withPowerAssert = (pattern, assertionFn) => powerAssert.empower(assertionFn, {249			onError: event => {250				if (event.powerAssertContext) {251					event.error.statements = powerAssert.format(event.powerAssertContext, formatPowerAssertValue);252				}253				fail(event.error);254			},255			onSuccess: () => {256				pass();257			},258			bindReceiver: false,259			patterns: [pattern]260		});261		const checkMessage = (assertion, message, powerAssert = false) => {262			const result = checkAssertionMessage(assertion, message);263			if (result === true) {264				return this.true;265			}266			if (powerAssert) {267				throw result;268			}269			fail(result);270			return false;271		};272		this.pass = withSkip(() => {273			pass();274		});275		this.fail = withSkip(message => {276			if (!checkMessage('fail', message)) {277				return;278			}279			fail(new AssertionError({280				assertion: 'fail',281				message: message || 'Test failed via `t.fail()`'282			}));283		});284		this.is = withSkip((actual, expected, message) => {285			if (!checkMessage('is', message)) {286				return;287			}288			if (Object.is(actual, expected)) {289				pass();290			} else {291				const result = concordance.compare(actual, expected, concordanceOptions);292				const actualDescriptor = result.actual || concordance.describe(actual, concordanceOptions);293				const expectedDescriptor = result.expected || concordance.describe(expected, concordanceOptions);294				if (result.pass) {295					fail(new AssertionError({296						assertion: 'is',297						message,298						raw: {actual, expected},299						values: [formatDescriptorWithLabel('Values are deeply equal to each other, but they are not the same:', actualDescriptor)]300					}));301				} else {302					fail(new AssertionError({303						assertion: 'is',304						message,305						raw: {actual, expected},306						values: [formatDescriptorDiff(actualDescriptor, expectedDescriptor)]307					}));308				}309			}310		});311		this.not = withSkip((actual, expected, message) => {312			if (!checkMessage('not', message)) {313				return;314			}315			if (Object.is(actual, expected)) {316				fail(new AssertionError({317					assertion: 'not',318					message,319					raw: {actual, expected},320					values: [formatWithLabel('Value is the same as:', actual)]321				}));322			} else {323				pass();324			}325		});326		this.deepEqual = withSkip((actual, expected, message) => {327			if (!checkMessage('deepEqual', message)) {328				return;329			}330			const result = concordance.compare(actual, expected, concordanceOptions);331			if (result.pass) {332				pass();333			} else {334				const actualDescriptor = result.actual || concordance.describe(actual, concordanceOptions);335				const expectedDescriptor = result.expected || concordance.describe(expected, concordanceOptions);336				fail(new AssertionError({337					assertion: 'deepEqual',338					message,339					raw: {actual, expected},340					values: [formatDescriptorDiff(actualDescriptor, expectedDescriptor)]341				}));342			}343		});344		this.notDeepEqual = withSkip((actual, expected, message) => {345			if (!checkMessage('notDeepEqual', message)) {346				return;347			}348			const result = concordance.compare(actual, expected, concordanceOptions);349			if (result.pass) {350				const actualDescriptor = result.actual || concordance.describe(actual, concordanceOptions);351				fail(new AssertionError({352					assertion: 'notDeepEqual',353					message,354					raw: {actual, expected},355					values: [formatDescriptorWithLabel('Value is deeply equal:', actualDescriptor)]356				}));357			} else {358				pass();359			}360		});361		this.like = withSkip((actual, selector, message) => {362			if (!checkMessage('like', message)) {363				return;364			}365			if (!isLikeSelector(selector)) {366				fail(new AssertionError({367					assertion: 'like',368					improperUsage: true,369					message: '`t.like()` selector must be a non-empty object',370					values: [formatWithLabel('Called with:', selector)]371				}));372				return;373			}374			let comparable;375			try {376				comparable = selectComparable(actual, selector);377			} catch (error) {378				if (error === CIRCULAR_SELECTOR) {379					fail(new AssertionError({380						assertion: 'like',381						improperUsage: true,382						message: '`t.like()` selector must not contain circular references',383						values: [formatWithLabel('Called with:', selector)]384					}));385					return;386				}387				throw error;388			}389			const result = concordance.compare(comparable, selector, concordanceOptions);390			if (result.pass) {391				pass();392			} else {393				const actualDescriptor = result.actual || concordance.describe(comparable, concordanceOptions);394				const expectedDescriptor = result.expected || concordance.describe(selector, concordanceOptions);395				fail(new AssertionError({396					assertion: 'like',397					message,398					values: [formatDescriptorDiff(actualDescriptor, expectedDescriptor)]399				}));400			}401		});402		this.throws = withSkip((...args) => {403			// Since arrow functions do not support 'arguments', we are using rest404			// operator, so we can determine the total number of arguments passed405			// to the function.406			let [fn, expectations, message] = args;407			if (!checkMessage('throws', message)) {408				return;409			}410			if (typeof fn !== 'function') {411				fail(new AssertionError({412					assertion: 'throws',413					improperUsage: true,414					message: '`t.throws()` must be called with a function',415					values: [formatWithLabel('Called with:', fn)]416				}));417				return;418			}419			try {420				expectations = validateExpectations('throws', expectations, args.length, experiments);421			} catch (error) {422				fail(error);423				return;424			}425			let retval;426			let actual = null;427			try {428				retval = fn();429				if (isPromise(retval)) {430					// Here isPromise() checks if something is "promise like". Cast to an actual promise.431					Promise.resolve(retval).catch(noop);432					fail(new AssertionError({433						assertion: 'throws',434						message,435						values: [formatWithLabel('Function returned a promise. Use `t.throwsAsync()` instead:', retval)]436					}));437					return;438				}439			} catch (error) {440				actual = error;441			}442			if (!actual) {443				fail(new AssertionError({444					assertion: 'throws',445					message,446					values: [formatWithLabel('Function returned:', retval)]447				}));448				return;449			}450			try {451				assertExpectations({452					assertion: 'throws',453					actual,454					expectations,455					message,456					prefix: 'Function threw'457				});458				pass();459				return actual;460			} catch (error) {461				fail(error);462			}463		});464		this.throwsAsync = withSkip((...args) => {465			let [thrower, expectations, message] = args;466			if (!checkMessage('throwsAsync', message)) {467				return Promise.resolve();468			}469			if (typeof thrower !== 'function' && !isPromise(thrower)) {470				fail(new AssertionError({471					assertion: 'throwsAsync',472					improperUsage: true,473					message: '`t.throwsAsync()` must be called with a function or promise',474					values: [formatWithLabel('Called with:', thrower)]475				}));476				return Promise.resolve();477			}478			try {479				expectations = validateExpectations('throwsAsync', expectations, args.length, experiments);480			} catch (error) {481				fail(error);482				return Promise.resolve();483			}484			const handlePromise = (promise, wasReturned) => {485				// Create an error object to record the stack before it gets lost in the promise chain.486				const savedError = getErrorWithLongStackTrace();487				// Handle "promise like" objects by casting to a real Promise.488				const intermediate = Promise.resolve(promise).then(value => { // eslint-disable-line promise/prefer-await-to-then489					throw new AssertionError({490						assertion: 'throwsAsync',491						message,492						savedError,493						values: [formatWithLabel(`${wasReturned ? 'Returned promise' : 'Promise'} resolved with:`, value)]494					});495				}, error => {496					assertExpectations({497						assertion: 'throwsAsync',498						actual: error,499						expectations,500						message,501						prefix: `${wasReturned ? 'Returned promise' : 'Promise'} rejected with`,502						savedError503					});504					return error;505				});506				pending(intermediate);507				// Don't reject the returned promise, even if the assertion fails.508				return intermediate.catch(noop);509			};510			if (isPromise(thrower)) {511				return handlePromise(thrower, false);512			}513			let retval;514			let actual = null;515			try {516				retval = thrower();517			} catch (error) {518				actual = error;519			}520			if (actual) {521				fail(new AssertionError({522					assertion: 'throwsAsync',523					message,524					actualStack: actual.stack,525					values: [formatWithLabel('Function threw synchronously. Use `t.throws()` instead:', actual)]526				}));527				return Promise.resolve();528			}529			if (isPromise(retval)) {530				return handlePromise(retval, true);531			}532			fail(new AssertionError({533				assertion: 'throwsAsync',534				message,535				values: [formatWithLabel('Function returned:', retval)]536			}));537			return Promise.resolve();538		});539		this.notThrows = withSkip((fn, message) => {540			if (!checkMessage('notThrows', message)) {541				return;542			}543			if (typeof fn !== 'function') {544				fail(new AssertionError({545					assertion: 'notThrows',546					improperUsage: true,547					message: '`t.notThrows()` must be called with a function',548					values: [formatWithLabel('Called with:', fn)]549				}));550				return;551			}552			try {553				fn();554			} catch (error) {555				fail(new AssertionError({556					assertion: 'notThrows',557					message,558					actualStack: error.stack,559					values: [formatWithLabel('Function threw:', error)]560				}));561				return;562			}563			pass();564		});565		this.notThrowsAsync = withSkip((nonThrower, message) => {566			if (!checkMessage('notThrowsAsync', message)) {567				return Promise.resolve();568			}569			if (typeof nonThrower !== 'function' && !isPromise(nonThrower)) {570				fail(new AssertionError({571					assertion: 'notThrowsAsync',572					improperUsage: true,573					message: '`t.notThrowsAsync()` must be called with a function or promise',574					values: [formatWithLabel('Called with:', nonThrower)]575				}));576				return Promise.resolve();577			}578			const handlePromise = (promise, wasReturned) => {579				// Create an error object to record the stack before it gets lost in the promise chain.580				const savedError = getErrorWithLongStackTrace();581				// Handle "promise like" objects by casting to a real Promise.582				const intermediate = Promise.resolve(promise).then(noop, error => { // eslint-disable-line promise/prefer-await-to-then583					throw new AssertionError({584						assertion: 'notThrowsAsync',585						message,586						savedError,587						values: [formatWithLabel(`${wasReturned ? 'Returned promise' : 'Promise'} rejected with:`, error)]588					});589				});590				pending(intermediate);591				// Don't reject the returned promise, even if the assertion fails.592				return intermediate.catch(noop);593			};594			if (isPromise(nonThrower)) {...

Using AI Code Generation

1import test from 'ava';2import getErrorWithLongStackTrace from 'ava/lib/get-error-with-long-stack-trace';3test('my passing test', t => {4  t.pass();5});6test('my failing test', t => {7  t.fail();8});9test('my failing test with long stack trace', t => {10  const error = getErrorWithLongStackTrace();11  t.fail(error);12});13When using the [`esm` package](

Using AI Code Generation

1const test = require('ava');2const getErrorWithLongStackTrace = require('ava/lib/get-error-with-long-stack-trace');3test('test', t => {4  const error = new Error('foo');5  error.stack = 'bar';6  t.throws(() => {7    throw getErrorWithLongStackTrace(error);8  });9});10const test = require('ava');11const getErrorWithLongStackTrace = require('ava/lib/get-error-with-long-stack-trace');12test('test', t => {13  const error = new Error('foo');14  error.stack = 'bar';15  t.throws(() => {16    throw getErrorWithLongStackTrace(error);17  });18});19const test = require('ava');20const getErrorWithLongStackTrace = require('ava/lib/get-error-with-long-stack-trace');21test('test', t => {22  const error = new Error('foo');23  error.stack = 'bar';24  t.throws(() => {25    throw getErrorWithLongStackTrace(error);26  });27});28const test = require('ava');29const getErrorWithLongStackTrace = require('ava/lib/get-error-with-long-stack-trace');30test('test', t => {31  const error = new Error('foo');32  error.stack = 'bar';33  t.throws(() => {34    throw getErrorWithLongStackTrace(error);35  });36});

Using AI Code Generation

1import test from 'ava';2import getErrorWithLongStackTrace from 'ava/lib/get-error-with-long-stack-trace';3function fn() {4    return Promise.reject(new Error('foo'));5}6test(t => {7    return fn().catch(getErrorWithLongStackTrace).then(err => {8        t.is(err.message, 'foo');9    });10});

Using AI Code Generation

1import test from 'ava';2import getErrorWithLongStackTrace from 'ava/lib/get-error-with-long-stack-trace';3test('test', t => {4  const error = new Error('error');5  error.stack = 'stack';6  t.throws(() => {7    throw getErrorWithLongStackTrace(error);8  }, 'error');9});

Using AI Code Generation

1import test from 'ava';2import { getErrorWithLongStackTrace } from 'ava/lib/worker/serialization';3const err = new Error('foo');4test('foo', t => {5    t.is(getErrorWithLongStackTrace(err).stack, err.stack);6});7### getErrorWithLongStackTrace(error)8- [ava](

Using AI Code Generation

1import test from 'ava';2import { getErrorWithLongStackTrace } from 'ava/lib/assert';3test('test', t => {4  const err = new Error('foo');5  const errWithLongStackTrace = getErrorWithLongStackTrace(err);6  t.is(errWithLongStackTrace.stack, err.stack);7});8MIT © [Vadim Demedes](

Using AI Code Generation

1const { getErrorWithLongStackTrace } = require('ava/lib/worker/serialization');2const { test } = require('ava');3test('test', t => {4    const err = getErrorWithLongStackTrace(new Error('foo'));5    console.log(err.stack);6});7MIT © [Kamalakannan](

Using AI Code Generation

1import { getErrorWithLongStackTrace } from 'ava/lib/worker/child'2import { createRequire } from 'module'3const require = createRequire(import.meta.url)4const { test } = require('ava')5test('test', t => {6  const error = new Error()7  const errorWithStack = getErrorWithLongStackTrace(error)8  t.is(error, errorWithStack)9})10import test from 'ava'11test('test', t => {12  const error = new Error()13  t.is(error, error)14})15  Error {16  }17  › Object.<anonymous> (test.js:3:16)18  › test (node_modules/ava/lib/test.js:25:9)19  › ava (node_modules/ava/lib/runner.js:45:25)20  › Object.<anonymous> (test.js:1:1)21  › Module._compile (node:internal/modules/cjs/loader:1108:14)22  › Module._compile (node_modules/pirates/lib/index.js:99:24)23  › Module._extensions..js (node:internal/modules/cjs/loader:1137:10)24  › Object.newLoader [as .js] (node_modules/pirates/lib/index.js:104:7)25  › Module.load (node:internal/modules/cjs/loader:973:32)26  › Function.Module._load (node:internal/modules/cjs/loader:813:14)27  › Module.require (node:internal/modules/cjs/loader:996:19)28  › require (node:internal/modules/cjs/helpers:92:18)29  › Object.<anonymous> (test.js:1:1)30  › Module._compile (node:internal/modules/cjs/loader:1108:14)31  › Module._compile (node_modules/pirates/lib/index.js:99:24)32  › Module._extensions..js (node:internal/modules/cjs/loader:1137:10)33  › Object.newLoader [as .js] (node_modules/pirates/lib/index.js:104:7)34  › Module.load (node:internal/modules/cjs/loader:973:32)35  › Function.Module._load (node:internal/modules/cjs/loader:813

Using AI Code Generation

1import { getErrorWithLongStackTrace } from 'ava/lib/worker/serialization';2import { readFileSync } from 'fs';3import { join } from 'path';4const error = new Error('foo');5const longStack = getErrorWithLongStackTrace(error);6console.log(longStack.stack);

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