How to use formatErrorValue method in ava

Best JavaScript code snippet using ava

test.js

Source:test.js

...8const plur = require('plur');9const assert = require('./assert');10const globals = require('./globals');11const concordanceOptions = require('./concordance-options').default;12function formatErrorValue(label, error) {13	const formatted = concordance.format(error, concordanceOptions);14	return {label, formatted};15}16class SkipApi {17	constructor(test) {18		this._test = test;19	}20}21const captureStack = start => {22	const limitBefore = Error.stackTraceLimit;23	Error.stackTraceLimit = 1;24	const obj = {};25	Error.captureStackTrace(obj, start);26	Error.stackTraceLimit = limitBefore;27	return obj.stack;28};29class ExecutionContext {30	constructor(test) {31		Object.defineProperties(this, {32			_test: {value: test},33			skip: {value: new SkipApi(test)}34		});35	}36	plan(ct) {37		this._test.plan(ct, captureStack(this.plan));38	}39	get end() {40		const end = this._test.bindEndCallback();41		const endFn = err => end(err, captureStack(endFn));42		return endFn;43	}44	get title() {45		return this._test.title;46	}47	get context() {48		const contextRef = this._test.contextRef;49		return contextRef && contextRef.context;50	}51	set context(context) {52		const contextRef = this._test.contextRef;53		if (!contextRef) {54			this._test.saveFirstError(new Error(`\`t.context\` is not available in ${this._test.metadata.type} tests`));55			return;56		}57		contextRef.context = context;58	}59	_throwsArgStart(assertion, file, line) {60		this._test.trackThrows({assertion, file, line});61	}62	_throwsArgEnd() {63		this._test.trackThrows(null);64	}65}66{67	const assertions = assert.wrapAssertions({68		log(executionContext, text) {69			executionContext._test.addLog(text);70		},71		pass(executionContext) {72			executionContext._test.countPassedAssertion();73		},74		pending(executionContext, promise) {75			executionContext._test.addPendingAssertion(promise);76		},77		fail(executionContext, error) {78			executionContext._test.addFailedAssertion(error);79		}80	});81	Object.assign(ExecutionContext.prototype, assertions);82	function skipFn() {83		this._test.countPassedAssertion();84	}85	Object.keys(assertions).forEach(el => {86		SkipApi.prototype[el] = skipFn;87	});88}89class Test {90	constructor(options) {91		this.contextRef = options.contextRef;92		this.failWithoutAssertions = options.failWithoutAssertions;93		this.fn = isGeneratorFn(options.fn) ? co.wrap(options.fn) : options.fn;94		this.metadata = options.metadata;95		this.onResult = options.onResult;96		this.title = options.title;97		this.logs = [];98		this.snapshotInvocationCount = 0;99		this.compareWithSnapshot = assertionOptions => {100			const belongsTo = assertionOptions.id || this.title;101			const expected = assertionOptions.expected;102			const index = assertionOptions.id ? 0 : this.snapshotInvocationCount++;103			const label = assertionOptions.id ? '' : assertionOptions.message || `Snapshot ${this.snapshotInvocationCount}`;104			return options.compareTestSnapshot({belongsTo, expected, index, label});105		};106		this.assertCount = 0;107		this.assertError = undefined;108		this.calledEnd = false;109		this.duration = null;110		this.endCallbackFinisher = null;111		this.finishDueToAttributedError = null;112		this.finishDueToInactivity = null;113		this.finishing = false;114		this.pendingAssertionCount = 0;115		this.pendingThrowsAssertion = null;116		this.planCount = null;117		this.startedAt = 0;118	}119	bindEndCallback() {120		if (this.metadata.callback) {121			return (err, stack) => {122				this.endCallback(err, stack);123			};124		}125		throw new Error('`t.end()`` is not supported in this context. To use `t.end()` as a callback, you must use "callback mode" via `test.cb(testName, fn)`');126	}127	endCallback(err, stack) {128		if (this.calledEnd) {129			this.saveFirstError(new Error('`t.end()` called more than once'));130			return;131		}132		this.calledEnd = true;133		if (err) {134			this.saveFirstError(new assert.AssertionError({135				actual: err,136				message: 'Callback called with an error',137				stack,138				values: [formatErrorValue('Callback called with an error:', err)]139			}));140		}141		if (this.endCallbackFinisher) {142			this.endCallbackFinisher();143		}144	}145	createExecutionContext() {146		return new ExecutionContext(this);147	}148	countPassedAssertion() {149		if (this.finishing) {150			this.saveFirstError(new Error('Assertion passed, but test has already finished'));151		}152		this.assertCount++;153	}154	addLog(text) {155		this.logs.push(text);156	}157	addPendingAssertion(promise) {158		if (this.finishing) {159			this.saveFirstError(new Error('Assertion passed, but test has already finished'));160		}161		this.assertCount++;162		this.pendingAssertionCount++;163		promise164			.catch(err => this.saveFirstError(err))165			.then(() => this.pendingAssertionCount--);166	}167	addFailedAssertion(error) {168		if (this.finishing) {169			this.saveFirstError(new Error('Assertion failed, but test has already finished'));170		}171		this.assertCount++;172		this.saveFirstError(error);173	}174	saveFirstError(err) {175		if (!this.assertError) {176			this.assertError = err;177		}178	}179	plan(count, planStack) {180		if (typeof count !== 'number') {181			throw new TypeError('Expected a number');182		}183		this.planCount = count;184		// In case the `planCount` doesn't match `assertCount, we need the stack of185		// this function to throw with a useful stack.186		this.planStack = planStack;187	}188	verifyPlan() {189		if (!this.assertError && this.planCount !== null && this.planCount !== this.assertCount) {190			this.saveFirstError(new assert.AssertionError({191				assertion: 'plan',192				message: `Planned for ${this.planCount} ${plur('assertion', this.planCount)}, but got ${this.assertCount}.`,193				operator: '===',194				stack: this.planStack195			}));196		}197	}198	verifyAssertions() {199		if (!this.assertError) {200			if (this.failWithoutAssertions && !this.calledEnd && this.planCount === null && this.assertCount === 0) {201				this.saveFirstError(new Error('Test finished without running any assertions'));202			} else if (this.pendingAssertionCount > 0) {203				this.saveFirstError(new Error('Test finished, but an assertion is still pending'));204			}205		}206	}207	trackThrows(pending) {208		this.pendingThrowsAssertion = pending;209	}210	detectImproperThrows(err) {211		if (!this.pendingThrowsAssertion) {212			return false;213		}214		const pending = this.pendingThrowsAssertion;215		this.pendingThrowsAssertion = null;216		const values = [];217		if (err) {218			values.push(formatErrorValue(`The following error was thrown, possibly before \`t.${pending.assertion}()\` could be called:`, err));219		}220		this.saveFirstError(new assert.AssertionError({221			assertion: pending.assertion,222			fixedSource: {file: pending.file, line: pending.line},223			improperUsage: true,224			message: `Improper usage of \`t.${pending.assertion}()\` detected`,225			stack: err instanceof Error && err.stack,226			values227		}));228		return true;229	}230	waitForPendingThrowsAssertion() {231		return new Promise(resolve => {232			this.finishDueToAttributedError = () => {233				resolve(this.finishPromised());234			};235			this.finishDueToInactivity = () => {236				this.detectImproperThrows();237				resolve(this.finishPromised());238			};239			// Wait up to a second to see if an error can be attributed to the240			// pending assertion.241			globals.setTimeout(() => this.finishDueToInactivity(), 1000).unref();242		});243	}244	attributeLeakedError(err) {245		if (!this.detectImproperThrows(err)) {246			return false;247		}248		this.finishDueToAttributedError();249		return true;250	}251	callFn() {252		try {253			return {254				ok: true,255				retval: this.fn(this.createExecutionContext())256			};257		} catch (err) {258			return {259				ok: false,260				error: err261			};262		}263	}264	run() {265		this.startedAt = globals.now();266		const result = this.callFn();267		if (!result.ok) {268			if (!this.detectImproperThrows(result.error)) {269				this.saveFirstError(new assert.AssertionError({270					message: 'Error thrown in test',271					stack: result.error instanceof Error && result.error.stack,272					values: [formatErrorValue('Error thrown in test:', result.error)]273				}));274			}275			return this.finish();276		}277		const returnedObservable = isObservable(result.retval);278		const returnedPromise = isPromise(result.retval);279		let promise;280		if (returnedObservable) {281			promise = observableToPromise(result.retval);282		} else if (returnedPromise) {283			// `retval` can be any thenable, so convert to a proper promise.284			promise = Promise.resolve(result.retval);285		}286		if (this.metadata.callback) {287			if (returnedObservable || returnedPromise) {288				const asyncType = returnedObservable ? 'observables' : 'promises';289				this.saveFirstError(new Error(`Do not return ${asyncType} from tests declared via \`test.cb(...)\`, if you want to return a promise simply declare the test via \`test(...)\``));290				return this.finish();291			}292			if (this.calledEnd) {293				return this.finish();294			}295			return new Promise(resolve => {296				this.endCallbackFinisher = () => {297					resolve(this.finishPromised());298				};299				this.finishDueToAttributedError = () => {300					resolve(this.finishPromised());301				};302				this.finishDueToInactivity = () => {303					this.saveFirstError(new Error('`t.end()` was never called'));304					resolve(this.finishPromised());305				};306			});307		}308		if (promise) {309			return new Promise(resolve => {310				this.finishDueToAttributedError = () => {311					resolve(this.finishPromised());312				};313				this.finishDueToInactivity = () => {314					const err = returnedObservable ?315						new Error('Observable returned by test never completed') :316						new Error('Promise returned by test never resolved');317					this.saveFirstError(err);318					resolve(this.finishPromised());319				};320				promise321					.catch(err => {322						if (!this.detectImproperThrows(err)) {323							this.saveFirstError(new assert.AssertionError({324								message: 'Rejected promise returned by test',325								stack: err instanceof Error && err.stack,326								values: [formatErrorValue('Rejected promise returned by test. Reason:', err)]327							}));328						}329					})330					.then(() => resolve(this.finishPromised()));331			});332		}333		return this.finish();334	}335	finish() {336		this.finishing = true;337		if (!this.assertError && this.pendingThrowsAssertion) {338			return this.waitForPendingThrowsAssertion();339		}340		this.verifyPlan();...

index.js

Source:index.js

1import {formatDate} from './date.filter';2import {formatErrorValue} from './error.filter';3export default {4  formatDate,5  formatErrorValue,...

Using AI Code Generation

1import test from 'ava';2import { formatErrorValue } from 'ava/lib/format-error';3test('my passing test', t => {4    t.pass();5});6test('my failing test', t => {7    t.fail();8});9test('my throwing test', t => {10    throw new Error('my error');11});12test('my rejected test', t => {13    return Promise.reject(new Error('my error'));14});15test('my async throwing test', async t => {16    throw new Error('my error');17});18test('my async rejected test', async t => {19    return Promise.reject(new Error('my error'));20});21test('my async failing test', async t => {22    t.fail();23});24test('my async passing test', async t => {25    t.pass();26});27test('my promise failing test', t => {28    return new Promise((resolve, reject) => {29        t.fail();30    });31});32test('my promise passing test', t => {33    return new Promise((resolve, reject) => {34        t.pass();35    });36});37test('my promise throwing test', t => {38    return new Promise((resolve, reject) => {39        throw new Error('my error');40    });41});42test('my promise rejected test', t => {43    return new Promise((resolve, reject) => {44        return Promise.reject(new Error('my error'));45    });46});47test('my promise async failing test', async t => {48    return new Promise((resolve, reject) => {49        t.fail();50    });51});52test('my promise async passing test', async t => {53    return new Promise((resolve, reject) => {54        t.pass();55    });56});57test('my promise async throwing test', async t => {58    return new Promise((resolve, reject) => {59        throw new Error('my error');60    });61});62test('my promise async rejected test', async t => {63    return new Promise((resolve, reject) => {64        return Promise.reject(new Error('my error'));65    });66});67test('my promise async failing test', async t => {68    return new Promise((resolve, reject) => {69        t.fail();70    });71});72test('my promise async passing test', async t => {73    return new Promise((resolve, reject) => {74        t.pass();75    });76});77test('my promise async throwing test', async t => {78    return new Promise((resolve, reject) => {

Using AI Code Generation

1import test from 'ava';2import formatErrorValue from 'ava/lib/format-error-value';3test('foo', t => {4  t.is(formatErrorValue('foo'), 'foo');5});6test('bar', t => {7  t.is(formatErrorValue('bar'), 'bar');8});9test('baz', t => {10  t.is(formatErrorValue('baz'), 'baz');11});

Using AI Code Generation

1import test from 'ava';2import {formatErrorValue} from 'ava/lib/format-error';3test('test1', t => {4  const error = new Error('test error');5  const result = formatErrorValue(error);6  console.log(result);7  t.pass();8});9import test from 'ava';10import {formatErrorValue} from 'ava/lib/format-error';11test('test2', t => {12  const error = new Error('test error');13  const result = formatErrorValue(error);14  console.log(result);15  t.pass();16});17import test from 'ava';18import {formatErrorValue} from 'ava/lib/format-error';19test('test3', t => {20  const error = new Error('test error');21  const result = formatErrorValue(error);22  console.log(result);23  t.pass();24});25import test from 'ava';26import {formatErrorValue} from 'ava/lib/format-error';27test('test4', t => {28  const error = new Error('test error');29  const result = formatErrorValue(error);30  console.log(result);31  t.pass();32});33import test from 'ava';34import {formatErrorValue} from 'ava/lib/format-error';35test('test5', t => {36  const error = new Error('test error');37  const result = formatErrorValue(error);38  console.log(result);39  t.pass();40});41import test from 'ava';42import {formatErrorValue} from 'ava/lib/format-error';43test('test6', t => {44  const error = new Error('test error');45  const result = formatErrorValue(error);46  console.log(result);47  t.pass();48});49import test from 'ava';50import {formatErrorValue} from 'ava/lib/format-error';51test('test7', t => {52  const error = new Error('test error');53  const result = formatErrorValue(error);54  console.log(result);

Using AI Code Generation

1const test = require('ava');2const {formatErrorValue} = require('ava/lib/format-error');3const {format} = require('util');4test('formatErrorValue', t => {5	const error = new Error('foo');6	error.actual = {foo: 'bar'};7	error.expected = {foo: 'baz'};8	error.operator = 'test';9	const formatted = formatErrorValue(error);10	t.is(formatted, format(`%o11%o`, error.actual, error.operator, error.expected));12});13const test = require('ava');14const {formatErrorValue} = require('ava/lib/format-error');15const {format} = require('util');16test('formatErrorValue', t => {17	const error = new Error('foo');18	error.actual = {foo: 'bar'};19	error.expected = {foo: 'baz'};20	error.operator = 'test';21	const formatted = formatErrorValue(error);22	t.is(formatted, format(`%o23%o`, error.actual, error.operator, error.expected));24});25const test = require('ava');26const {formatErrorValue} = require('ava/lib/format-error');27const {format} = require('util');28test('formatErrorValue', t => {29	const error = new Error('foo');30	error.actual = {foo: 'bar'};31	error.expected = {foo: 'baz'};32	error.operator = 'test';33	const formatted = formatErrorValue(error);34	t.is(formatted, format(`%o35%o`, error.actual, error.operator, error.expected));36});37const test = require('ava');38const {formatErrorValue} = require('ava/lib/format-error');39const {format} = require('util');40test('formatErrorValue', t => {41	const error = new Error('foo');42	error.actual = {foo: 'bar'};43	error.expected = {foo: 'baz'};44	error.operator = 'test';45	const formatted = formatErrorValue(error);46	t.is(formatted, format(`%o47%o`, error.actual, error.operator, error.expected));48});49const test = require('ava');50const {format

Using AI Code Generation

1import test from 'ava'2import {formatErrorValue} from 'ava/lib/assert'3test('test formatErrorValue', t => {4  const value = {5  }6  console.log(formatErrorValue(value))7})8import test from 'ava'9import {formatErrorValue} from 'ava/lib/assert'10test('test formatErrorValue', t => {11  const value = {12  }13  console.log(formatErrorValue(value))14})15import test from 'ava'16import {formatErrorValue} from 'ava/lib/assert'17test('test formatErrorValue', t => {18  const value = {19  }20  console.log(formatErrorValue(value))21})22import test from 'ava'23import {formatErrorValue} from 'ava/lib/assert'24test('test formatErrorValue', t => {25  const value = {26  }27  console.log(formatErrorValue(value))28})29import test from 'ava'30import {formatErrorValue} from 'ava/lib/assert'31test('test formatErrorValue', t => {32  const value = {33  }34  console.log(formatErrorValue(value))35})

Using AI Code Generation

1const {formatErrorValue} = require('ava/lib/format-assert-error');2test('test', t => {3  t.throws(() => {4    throw new Error('test');5  }, {6    message: formatErrorValue('test')7  });8});

Using AI Code Generation

1const { formatErrorValue } = require('ava/lib/serialize-error');2const error = new Error('foo');3console.log(formatErrorValue(error));4const { formatErrorValue } = require('ava/lib/serialize-error');5const error = new Error('foo');6console.log(formatErrorValue(error));7const { formatErrorValue } = require('ava/lib/serialize-error');8const error = new Error('foo');9console.log(formatErrorValue(error));10const { formatErrorValue } = require('ava/lib/serialize-error');11const error = new Error('foo');12console.log(formatErrorValue(error));13const { formatErrorValue } = require('ava/lib/serialize-error');14const error = new Error('foo');15console.log(formatErrorValue(error));16const { formatErrorValue } = require('ava/lib/serialize-error');17const error = new Error('foo');18console.log(formatErrorValue(error));19const { formatErrorValue } = require('ava/lib/serialize-error');20const error = new Error('foo');21console.log(formatErrorValue(error));22const { formatErrorValue } = require('ava/lib/serialize-error');23const error = new Error('foo');24console.log(formatErrorValue(error));25const { formatErrorValue } = require('ava/lib/serialize-error');26const error = new Error('foo');27console.log(formatErrorValue(error));28const { formatErrorValue } = require('ava/lib/serialize-error');29const error = new Error('foo');30console.log(formatErrorValue(error));31const { formatErrorValue } = require('ava/lib/serialize-error');32const error = new Error('foo');33console.log(formatErrorValue(error));34const { formatErrorValue } = require('ava/lib/serialize-error');35const error = new Error('foo');

Using AI Code Generation

1const { formatErrorValue } = require('./lib');2const error = new Error('This is an error');3const formattedError = formatErrorValue(error);4console.log(formattedError);5{6  stack: 'Error: This is an error\n    at Object.<anonymous> (/Users/saurabh/Desktop/Nodejs-Error-Handling/test.js:6:15)\n    at Module._compile (internal/modules/cjs/loader.js:1063:30)\n    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)\n    at Module.load (internal/modules/cjs/loader.js:928:32)\n    at Function.Module._load (internal/modules/cjs/loader.js:769:14)\n    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:72:12)\n    at internal/main/run_main_module.js:17:47'7}

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