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How to use delayedIncrement method in unexpected

Best JavaScript code snippet using unexpected

tests.js

Source:tests.js

...529	async function delayedDouble(v) {530		await _delay( 10 );531		return v * 2;532	}533	async function delayedIncrement(v) {534		try {535			assert.step( `delayedIncrement @ start: ${v}` );536			await _delay( 10 );537			return v + 1;538		}539		finally {540			assert.step( `delayedIncrement @ end: ${v}` );541		}542	}543	var list = [1,2,3,4,5];544	var rExpected = [2,4,6,8,10];545	var pExpected = [2,3,4,5,6];546	var qExpected = [547		"map:delayedIncrement @ start",548		"delayedIncrement @ start: 1", "delayedIncrement @ start: 2", "delayedIncrement @ start: 3", "delayedIncrement @ start: 4", "delayedIncrement @ start: 5",549		"map:delayedIncrement @ end",550		"delayedIncrement @ end: 1", "delayedIncrement @ end: 2", "delayedIncrement @ end: 3", "delayedIncrement @ end: 4", "delayedIncrement @ end: 5",551		"map:delayedIncrement @ resolved"552	];553	var tExpected = [false,false,false,false,false];554	var sExpected = [];555	var uExpected = [];556	// 1. make calls that create promises557	var rActual = FA.concurrent.map( delayedDouble, list );558	assert.step( "map:delayedIncrement @ start" );559	var pActual = FA.concurrent.map( delayedIncrement, list );560	assert.step( "map:delayedIncrement @ end" );561	// qActual;562	var tActual = FA.concurrent.map( checkParams, list );563	var sActual = FA.concurrent.map( () => true );564	var uActual = FA.concurrent.map( () => true, [] );565	// 2. await to unwrap the promises566	rActual = await rActual;567	pActual = await pActual;568	assert.step( "map:delayedIncrement @ resolved" );569	// qActual;570	tActual = await tActual;571	sActual = await sActual;572	uActual = await uActual;573	assert.expect( 19 ); // note: 6 assertions + 13 `step(..)` calls574	assert.deepEqual( rActual, rExpected, "normal delay" );575	assert.deepEqual( pActual, pExpected, "concurrency check: result" );576	assert.verifySteps( qExpected, "concurrency check: steps" );577	assert.deepEqual( tActual, tExpected, "predicate params check" );578	assert.deepEqual( sActual, sExpected, "array undefined" );579	assert.deepEqual( uActual, uExpected, "array empty" );580} );581QUnit.test( "serial.map()", async function test(assert){582	function checkParams(v,i,arr) {583		if (584			arr === list &&585			typeof v == "number" && typeof i == "number" && _isArray( arr ) &&586			v === (i + 1) && arr[i] === v587		) {588			return false;589		}590		return true;591	}592	async function delayedDouble(v) {593		await _delay( 10 );594		return v * 2;595	}596	async function delayedIncrement(v) {597		try {598			assert.step( `delayedIncrement @ start: ${v}` );599			await _delay( 10 );600			return v + 1;601		}602		finally {603			assert.step( `delayedIncrement @ end: ${v}` );604		}605	}606	var list = [1,2,3,4,5];607	var rExpected = [2,4,6,8,10];608	var pExpected = [2,3,4,5,6];609	var qExpected = [610		"map:delayedIncrement @ start",611		"delayedIncrement @ start: 1",612		"map:delayedIncrement @ end",613		"delayedIncrement @ end: 1",614		"delayedIncrement @ start: 2", "delayedIncrement @ end: 2",615		"delayedIncrement @ start: 3", "delayedIncrement @ end: 3",616		"delayedIncrement @ start: 4", "delayedIncrement @ end: 4",617		"delayedIncrement @ start: 5", "delayedIncrement @ end: 5",618		"map:delayedIncrement @ resolved",619	];620	var tExpected = [false,false,false,false,false];621	var sExpected = [];622	var uExpected = [];623	// 1. make calls that create promises624	var rActual = FA.serial.map( delayedDouble, list );625	assert.step( "map:delayedIncrement @ start" );626	var pActual = FA.serial.map( delayedIncrement, list );627	assert.step( "map:delayedIncrement @ end" );628	// qActual;629	var tActual = FA.serial.map( checkParams, list );630	var sActual = FA.serial.map( () => true );631	var uActual = FA.serial.map( () => true, [] );632	// 2. await to unwrap the promises633	rActual = await rActual;634	pActual = await pActual;635	assert.step( "map:delayedIncrement @ resolved" );636	// qActual;637	tActual = await tActual;638	sActual = await sActual;639	uActual = await uActual;640	assert.expect( 19 ); // note: 6 assertions + 13 `step(..)` calls641	assert.deepEqual( rActual, rExpected, "normal delay" );642	assert.deepEqual( pActual, pExpected, "serial check: result" );643	assert.verifySteps( qExpected, "serial check: steps" );644	assert.deepEqual( tActual, tExpected, "predicate params check" );645	assert.deepEqual( sActual, sExpected, "array undefined" );646	assert.deepEqual( uActual, uExpected, "array empty" );647} );648QUnit.test( "concurrent.flatMap()", async function test(assert){649	function checkParams(v,i,arr) {650		if (651			arr === list &&652			typeof v == "number" && typeof i == "number" && _isArray( arr ) &&653			v === (i + 1) && arr[i] === v654		) {655			return false;656		}657		return true;658	}659	async function delayedDoubleTriple(v) {660		await _delay( 10 );661		return [v * 2,v * 3];662	}663	async function delayedIncrementDecrement(v) {664		try {665			assert.step( `delayedIncrementDecrement @ start: ${v}` );666			await _delay( 10 );667			return [v + 1,v - 1];668		}669		finally {670			assert.step( `delayedIncrementDecrement @ end: ${v}` );671		}672	}673	var list = [1,2,3,4,5];674	var rExpected = [2,3,4,6,6,9,8,12,10,15];675	var pExpected = [2,0,3,1,4,2,5,3,6,4];676	var qExpected = [677		"flatMap:delayedIncrementDecrement @ start",678		"delayedIncrementDecrement @ start: 1", "delayedIncrementDecrement @ start: 2", "delayedIncrementDecrement @ start: 3", "delayedIncrementDecrement @ start: 4", "delayedIncrementDecrement @ start: 5",679		"flatMap:delayedIncrementDecrement @ end",680		"delayedIncrementDecrement @ end: 1", "delayedIncrementDecrement @ end: 2", "delayedIncrementDecrement @ end: 3", "delayedIncrementDecrement @ end: 4", "delayedIncrementDecrement @ end: 5",681		"flatMap:delayedIncrementDecrement @ resolved"682	];683	var tExpected = [false,false,false,false,false];684	var sExpected = [];685	var uExpected = [];686	// 1. make calls that create promises687	var rActual = FA.concurrent.flatMap( delayedDoubleTriple, list );688	assert.step( "flatMap:delayedIncrementDecrement @ start" );689	var pActual = FA.concurrent.flatMap( delayedIncrementDecrement, list );690	assert.step( "flatMap:delayedIncrementDecrement @ end" );691	// qActual;692	var tActual = FA.concurrent.flatMap( checkParams, list );693	var sActual = FA.concurrent.flatMap( () => true );694	var uActual = FA.concurrent.flatMap( () => true, [] );695	// 2. await to unwrap the promises696	rActual = await rActual;697	pActual = await pActual;698	assert.step( "flatMap:delayedIncrementDecrement @ resolved" );699	// qActual;700	tActual = await tActual;701	sActual = await sActual;702	uActual = await uActual;703	assert.expect( 19 ); // note: 6 assertions + 13 `step(..)` calls704	assert.deepEqual( rActual, rExpected, "normal delay" );705	assert.deepEqual( pActual, pExpected, "concurrency check: result" );706	assert.verifySteps( qExpected, "concurrency check: steps" );707	assert.deepEqual( tActual, tExpected, "predicate params check" );708	assert.deepEqual( sActual, sExpected, "array undefined" );709	assert.deepEqual( uActual, uExpected, "array empty" );710} );711QUnit.test( "serial.flatMap()", async function test(assert){712	function checkParams(v,i,arr) {713		if (714			arr === list &&715			typeof v == "number" && typeof i == "number" && _isArray( arr ) &&716			v === (i + 1) && arr[i] === v717		) {718			return false;719		}720		return true;721	}722	async function delayedDoubleTriple(v) {723		await _delay( 10 );724		return [v * 2,v * 3];725	}726	async function delayedIncrementDecrement(v) {727		try {728			assert.step( `delayedIncrementDecrement @ start: ${v}` );729			await _delay( 10 );730			return [v + 1,v - 1];731		}732		finally {733			assert.step( `delayedIncrementDecrement @ end: ${v}` );734		}735	}736	var list = [1,2,3,4,5];737	var rExpected = [2,3,4,6,6,9,8,12,10,15];738	var pExpected = [2,0,3,1,4,2,5,3,6,4];739	var qExpected = [740		"flatMap:delayedIncrementDecrement @ start",741		"delayedIncrementDecrement @ start: 1",742		"flatMap:delayedIncrementDecrement @ end",743		"delayedIncrementDecrement @ end: 1",744		"delayedIncrementDecrement @ start: 2", "delayedIncrementDecrement @ end: 2",745		"delayedIncrementDecrement @ start: 3", "delayedIncrementDecrement @ end: 3",746		"delayedIncrementDecrement @ start: 4", "delayedIncrementDecrement @ end: 4",747		"delayedIncrementDecrement @ start: 5", "delayedIncrementDecrement @ end: 5",748		"flatMap:delayedIncrementDecrement @ resolved",749	];750	var tExpected = [false,false,false,false,false];751	var sExpected = [];752	var uExpected = [];753	// 1. make calls that create promises754	var rActual = FA.serial.flatMap( delayedDoubleTriple, list );755	assert.step( "flatMap:delayedIncrementDecrement @ start" );756	var pActual = FA.serial.flatMap( delayedIncrementDecrement, list );757	assert.step( "flatMap:delayedIncrementDecrement @ end" );758	// qActual;759	var tActual = FA.serial.flatMap( checkParams, list );760	var sActual = FA.serial.flatMap( () => true );761	var uActual = FA.serial.flatMap( () => true, [] );762	// 2. await to unwrap the promises763	rActual = await rActual;764	pActual = await pActual;765	assert.step( "flatMap:delayedIncrementDecrement @ resolved" );766	// qActual;767	tActual = await tActual;768	sActual = await sActual;769	uActual = await uActual;770	assert.expect( 19 ); // note: 6 assertions + 13 `step(..)` calls771	assert.deepEqual( rActual, rExpected, "normal delay" );772	assert.deepEqual( pActual, pExpected, "serial check: result" );773	assert.verifySteps( qExpected, "serial check: steps" );774	assert.deepEqual( tActual, tExpected, "predicate params check" );775	assert.deepEqual( sActual, sExpected, "array undefined" );776	assert.deepEqual( uActual, uExpected, "array empty" );777} );778QUnit.test( "serial.reduce()", async function test(assert){779	function checkParams(acc,v,i,arr) {780		if (781			arr === list &&782			typeof acc == "string" && typeof v == "string" &&783			typeof i == "number" && _isArray( arr ) &&784			Number( v ) === (i + 1) && arr[i] === v785		) {786			return acc + v;787		}788		return NaN;789	}790	async function delayedConcat(acc,v) {791		await _delay( 10 );792		return acc + v;793	}794	async function delayedHyphenate(acc,v) {795		try {796			assert.step( `delayedHyphenate @ start: ${v}` );797			await _delay( 10 );798			return acc + "-" + v;799		}800		finally {801			assert.step( `delayedHyphenate @ end: ${v}` );802		}803	}804	var list = ["1","2","3","4","5"];805	var rExpected = "12345";806	var pExpected = "0-1-2-3-4-5";807	var qExpected = [808		"reduce:delayedHyphenate @ start",809		"delayedHyphenate @ start: 1",810		"reduce:delayedHyphenate @ end",811		"delayedHyphenate @ end: 1",812		"delayedHyphenate @ start: 2", "delayedHyphenate @ end: 2",813		"delayedHyphenate @ start: 3", "delayedHyphenate @ end: 3",814		"delayedHyphenate @ start: 4", "delayedHyphenate @ end: 4",815		"delayedHyphenate @ start: 5", "delayedHyphenate @ end: 5",816		"reduce:delayedHyphenate @ resolved",817	];818	var tExpected = "12345";819	var sExpected = "";820	var uExpected = "";821	// 1. make calls that create promises822	var rActual = FA.serial.reduce( delayedConcat, "", list );823	assert.step( "reduce:delayedHyphenate @ start" );824	var pActual = FA.serial.reduce( delayedHyphenate, "0", list );825	assert.step( "reduce:delayedHyphenate @ end" );826	// qActual;827	var tActual = FA.serial.reduce( checkParams, "", list );828	var sActual = FA.serial.reduce( () => true, "" );829	var uActual = FA.serial.reduce( () => true, "", [] );830	// 2. await to unwrap the promises831	rActual = await rActual;832	pActual = await pActual;833	assert.step( "reduce:delayedHyphenate @ resolved" );834	// qActual;835	tActual = await tActual;836	sActual = await sActual;837	uActual = await uActual;838	assert.expect( 19 ); // note: 6 assertions + 13 `step(..)` calls839	assert.strictEqual( rActual, rExpected, "normal delay" );840	assert.strictEqual( pActual, pExpected, "serial check: result" );841	assert.verifySteps( qExpected, "serial check: steps" );842	assert.strictEqual( tActual, tExpected, "predicate params check" );843	assert.strictEqual( sActual, sExpected, "array undefined" );844	assert.strictEqual( uActual, uExpected, "array empty" );845} );846QUnit.test( "serial.reduceRight()", async function test(assert){847	function checkParams(acc,v,i,arr) {848		if (849			arr === list &&850			typeof acc == "string" && typeof v == "string" &&851			typeof i == "number" && _isArray( arr ) &&852			Number( v ) === (i + 1) && arr[i] === v853		) {854			return acc + v;855		}856		return NaN;857	}858	async function delayedConcat(acc,v) {859		await _delay( 10 );860		return acc + v;861	}862	async function delayedHyphenate(acc,v) {863		try {864			assert.step( `delayedHyphenate @ start: ${v}` );865			await _delay( 10 );866			return acc + "-" + v;867		}868		finally {869			assert.step( `delayedHyphenate @ end: ${v}` );870		}871	}872	var list = ["1","2","3","4","5"];873	var rExpected = "54321";874	var pExpected = "6-5-4-3-2-1";875	var qExpected = [876		"reduceRight:delayedHyphenate @ start",877		"delayedHyphenate @ start: 5",878		"reduceRight:delayedHyphenate @ end",879		"delayedHyphenate @ end: 5",880		"delayedHyphenate @ start: 4", "delayedHyphenate @ end: 4",881		"delayedHyphenate @ start: 3", "delayedHyphenate @ end: 3",882		"delayedHyphenate @ start: 2", "delayedHyphenate @ end: 2",883		"delayedHyphenate @ start: 1", "delayedHyphenate @ end: 1",884		"reduceRight:delayedHyphenate @ resolved",885	];886	var tExpected = "54321";887	var sExpected = "";888	var uExpected = "";889	// 1. make calls that create promises890	var rActual = FA.serial.reduceRight( delayedConcat, "", list );891	assert.step( "reduceRight:delayedHyphenate @ start" );892	var pActual = FA.serial.reduceRight( delayedHyphenate, "6", list );893	assert.step( "reduceRight:delayedHyphenate @ end" );894	// qActual;895	var tActual = FA.serial.reduceRight( checkParams, "", list );896	var sActual = FA.serial.reduceRight( () => true, "" );897	var uActual = FA.serial.reduceRight( () => true, "", [] );898	// 2. await to unwrap the promises899	rActual = await rActual;900	pActual = await pActual;901	assert.step( "reduceRight:delayedHyphenate @ resolved" );902	// qActual;903	tActual = await tActual;904	sActual = await sActual;905	uActual = await uActual;906	assert.expect( 19 ); // note: 6 assertions + 13 `step(..)` calls907	assert.strictEqual( rActual, rExpected, "normal delay" );908	assert.strictEqual( pActual, pExpected, "serial check: result" );909	assert.verifySteps( qExpected, "serial check: steps" );910	assert.strictEqual( tActual, tExpected, "predicate params check" );911	assert.strictEqual( sActual, sExpected, "array undefined" );912	assert.strictEqual( uActual, uExpected, "array empty" );913} );914QUnit.test( "serial.pipe()", async function test(assert){915	async function delayedAdd(x,y) {916		await _delay( 10 );917		return x + y;918	}919	async function delayedIncrement(v) {920		return delayedAdd( v, 1 );921	}922	async function delayedDouble(v) {923		await _delay( 10 );924		return v * 2;925	}926	async function delayedDiv3(v) {927		await _delay( 10 );928		return v / 3;929	}930	function increment(v) { return v + 1; }931	function double(v) { return v * 2; }932	function div3(v) { return v / 3; }933	var fns1 = [delayedIncrement,delayedDouble,delayedDiv3];934	var fns2 = [delayedAdd,...fns1];935	var fns3 = [increment,double,div3];936	var rExpected = 4;937	var pExpected = 6;938	var qExpected = 8;939	var tExpected = 11;940	var sExpected = 11;941	// 1. make calls that create promises942	var rActual = FA.serial.pipe( fns1 )( 5 );943	var pActual = FA.serial.pipe( fns2 )( 5, 3 );944	var qActual = FA.serial.pipe( fns3 )( 11 );945	var tActual = FA.serial.pipe()( 11 );946	var sActual = FA.serial.pipe( [] )( 11 );947	// 2. await to unwrap the promises948	rActual = await rActual;949	pActual = await pActual;950	qActual = await qActual;951	tActual = await tActual;952	sActual = await sActual;953	assert.expect( 5 );954	assert.strictEqual( rActual, rExpected, "normal unary pipe" );955	assert.strictEqual( pActual, pExpected, "multiple arguments to first function" );956	assert.strictEqual( qActual, qExpected, "all synchronous functions" );957	assert.strictEqual( tActual, tExpected, "fns undefined" );958	assert.strictEqual( sActual, sExpected, "fns empty" );959} );960QUnit.test( "serial.compose()", async function test(assert){961	async function delayedAdd(x,y) {962		await _delay( 10 );963		return x + y;964	}965	async function delayedIncrement(v) {966		return delayedAdd( v, 1 );967	}968	async function delayedDouble(v) {969		await _delay( 10 );970		return v * 2;971	}972	async function delayedDiv3(v) {973		await _delay( 10 );974		return v / 3;975	}976	function increment(v) { return v + 1; }977	function double(v) { return v * 2; }978	function div3(v) { return v / 3; }979	var fns1 = [delayedDiv3,delayedDouble,delayedIncrement];980	var fns2 = [...fns1,delayedAdd];981	var fns3 = [div3,double,increment];982	var rExpected = 4;983	var pExpected = 6;984	var qExpected = 8;985	var tExpected = 11;986	var sExpected = 11;987	// 1. make calls that create promises988	var rActual = FA.serial.compose( fns1 )( 5 );989	var pActual = FA.serial.compose( fns2 )( 5, 3 );990	var qActual = FA.serial.compose( fns3 )( 11 );991	var tActual = FA.serial.compose()( 11 );992	var sActual = FA.serial.compose( [] )( 11 );993	// 2. await to unwrap the promises994	rActual = await rActual;995	pActual = await pActual;996	qActual = await qActual;997	tActual = await tActual;998	sActual = await sActual;999	assert.expect( 5 );1000	assert.strictEqual( rActual, rExpected, "normal unary compose" );1001	assert.strictEqual( pActual, pExpected, "multiple arguments to first function" );1002	assert.strictEqual( qActual, qExpected, "all synchronous functions" );1003	assert.strictEqual( tActual, tExpected, "fns undefined" );1004	assert.strictEqual( sActual, sExpected, "fns empty" );1005} );1006QUnit.test( "transducing", async function test(assert){1007	async function delayedIncrement(v) {1008		await _delay( 10 );1009		return v + 1;1010	}1011	async function delayedEven(v) {1012		await _delay( 10 );1013		return v % 2 == 0;1014	}1015	async function delayedSum(x,y) {1016		await _delay( 10 );1017		return x + y;1018	}1019	function increment(v) { return v + 1; }1020	function even(v) { return v % 2 == 0; }1021	function sum(x,y) { return x + y; }...

counterReducer.js

Source:counterReducer.js

1import { createSlice, createAsyncThunk } from "@reduxjs/toolkit";2const initialState = {3  count: 04};5const delayedIncrement = createAsyncThunk(6  "counter/delayedIncrement",7  async (arg, thunkAPI) => {8    return await new Promise(resolve =>9      setTimeout(() => resolve("async works"), 2000)10    );11  }12);13const reducers = {14  increment: (state, action) => {15    state.count++;16  },17  decrement: {18    reducer: (state, action) => {19      state.count--;20    },21    prepare: payload => {22      return { payload };23    }24  }25};26const counterReducer = createSlice({27  name: "counter",28  initialState: initialState,29  reducers: reducers,30  extraReducers: {31    [delayedIncrement.pending]: (state, action) => {32      console.log("pending");33    },34    [delayedIncrement.fulfilled]: (state, action) => {35      state.count++;36      console.log("fulfilled");37      console.log(action.payload);38    }39  }40});41export { delayedIncrement };42export const { increment, decrement } = counterReducer.actions;...

Using AI Code Generation

1var unexpected = require('unexpected');2var expect = unexpected.clone();3expect.addAssertion('<number> to be within <number> <number>', function (expect, subject, start, end) {4    expect(subject, 'to be greater than or equal to', start);5    expect(subject, 'to be less than or equal to', end);6});7expect.delayedIncrement(10, 5, 15, function (err, result) {8    expect(result, 'to be within', 10, 20);9});

Using AI Code Generation

1var expect = require('unexpected').clone();2var delayedIncrement = require('./delayedIncrement');3describe('delayedIncrement', function () {4  it('should increment a number after a delay', function (done) {5    delayedIncrement(1, 100, function (err, result) {6      expect(err, 'to be null');7      expect(result, 'to be', 2);8      done();9    });10  });11});

Using AI Code Generation

1const { expect } = require('unexpected');2const { delayedIncrement } = require('./delayedIncrement');3describe('delayedIncrement', () => {4  it('should increment a value after a delay', async () => {5    const result = await delayedIncrement(1, 500);6    expect(result, 'to equal', 2);7  });8});9      at process._tickCallback (internal/process/next_tick.js:68:7)

Using AI Code Generation

1const expect = require('unexpected').clone();2const delayedIncrement = require('./delayedIncrement');3describe('delayedIncrement', function () {4    it('should increment the value after 1 second', function () {5        return expect(delayedIncrement(3), 'when delayed a little bit', 'to be fulfilled with', 4);6    });7});8### unexpected.clone()9### unexpected.use(plugin)10### unexpected.addAssertion([subjectType][, flags][, assertionName], handler)11### unexpected.addType(typeName, typeSpec)12### unexpected.addStyle(styleName, styleSpec)

Using AI Code Generation

1var unexpected = require('unexpected');2var delayedIncrement = require('./delayedIncrement');3var expect = unexpected.clone().use(delayedIncrement);4expect(0, 'to delayed increment by', 1, 1000, function (err, result) {5    if (err) {6        console.log(err);7    } else {8        console.log(result);9    }10});11TypeError: expect(...).to.be.a is not a function

Using AI Code Generation

1var unexpected = require('unexpected');2var expect = unexpected.clone();3var increment = require('./increment');4expect.addAssertion('<number> when incremented', function (expect, subject) {5    return expect.promise(function (run) {6        run(function () {7            return increment(subject);8        });9    });10});11expect(0, 'when incremented', 'to be', 1);12expect(1, 'when incremented', 'to be', 2);13expect(2, 'when incremented', 'to be', 3);14module.exports = function (n) {15    return n + 1;16};

Using AI Code Generation

1const { delayedIncrement } = require('unexpected');2const expect = require('unexpected');3const fs = require('fs');4describe('delayedIncrement', () => {5  it('should increment a number after a delay', () => {6    return expect(delayedIncrement(1, 100), 'to be fulfilled with', 2);7  });8});9describe('fs.readFile', () => {10  it('should read a file', () => {11    return expect(fs.readFile('test.js', 'utf-8'), 'to be fulfilled with', 'const { delayedIncrement } = require(\'unexpected\');\nconst expect = require(\'unexpected\');\nconst fs = require(\'fs\');\n\ndescribe(\'delayedIncrement\', () => {\n  it(\'should increment a number after a delay\', () => {\n    return expect(delayedIncrement(1, 100), \'to be fulfilled with\', 2);\n  });\n});\ndescribe(\'fs.readFile\', () => {\n  it(\'should read a file\', () => {\n    return expect(fs.readFile(\'test.js\', \'utf-8\'), \'to be fulfilled with\', \'const { delayedIncrement } = require(\\\'unexpected\\\');\nconst expect = require(\\\'unexpected\\\');\nconst fs = require(\\\'fs\\\');\n\ndescribe(\\\'delayedIncrement\\\', () => {\n  it(\\\'should increment a number after a delay\\\', () => {\n    return expect(delayedIncrement(1, 100), \\\'to be fulfilled with\\\', 2);\n  });\n});\ndescribe(\\\'fs.readFile\\\', () => {\n  it(\\\'should read a file\\\', () => {\n    return expect(fs.readFile(\\\'test.js\\\', \\\'utf-8\\\'), \\\'to be fulfilled with\\\', \\\'const { delayedIncrement } = require(\\\\\\\'unexpected\\\\\\\');\nconst expect = require(\\\\\\\'unexpected\\\\\\\');\nconst fs = require(\\\\\\\'fs\\\\\\\');\n\ndescribe(

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.