How to use preFilter method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

animation.js

Source:animation.js

1( function() {2// Can't test what ain't there3if ( !jQuery.fx ) {4	return;5}6var oldRaf = window.requestAnimationFrame,7	defaultPrefilter = jQuery.Animation.prefilters[ 0 ],8	defaultTweener = jQuery.Animation.tweeners[ "*" ][ 0 ],9	startTime = 505877050;10// This module tests jQuery.Animation and the corresponding 1.8+ effects APIs11QUnit.module( "animation", {12	setup: function() {13		window.requestAnimationFrame = null;14		this.sandbox = sinon.sandbox.create();15		this.clock = this.sandbox.useFakeTimers( startTime );16		this._oldInterval = jQuery.fx.interval;17		jQuery.fx.step = {};18		jQuery.fx.interval = 10;19		jQuery.now = Date.now;20		jQuery.Animation.prefilters = [ defaultPrefilter ];21		jQuery.Animation.tweeners = { "*": [ defaultTweener ] };22	},23	teardown: function() {24		this.sandbox.restore();25		jQuery.now = Date.now;26		jQuery.fx.stop();27		jQuery.fx.interval = this._oldInterval;28		window.requestAnimationFrame = oldRaf;29		return moduleTeardown.apply( this, arguments );30	}31} );32QUnit.test( "Animation( subject, props, opts ) - shape", function( assert ) {33	assert.expect( 20 );34	var subject = { test: 0 },35		props = { test: 1 },36		opts = { queue: "fx", duration: 100 },37		animation = jQuery.Animation( subject, props, opts );38	assert.equal(39		animation.elem,40		subject,41		".elem is set to the exact object passed"42	);43	assert.equal(44		animation.originalOptions,45		opts,46		".originalOptions is set to options passed"47	);48	assert.equal(49		animation.originalProperties,50		props,51		".originalProperties is set to props passed"52	);53	assert.notEqual( animation.props, props, ".props is not the original however" );54	assert.deepEqual( animation.props, props, ".props is a copy of the original" );55	assert.deepEqual( animation.opts, {56		duration: 100,57		queue: "fx",58		specialEasing: { test: undefined },59		easing: jQuery.easing._default60	}, ".options is filled with default easing and specialEasing" );61	assert.equal( animation.startTime, startTime, "startTime was set" );62	assert.equal( animation.duration, 100, ".duration is set" );63	assert.equal( animation.tweens.length, 1, ".tweens has one Tween" );64	assert.equal( typeof animation.tweens[ 0 ].run, "function", "which has a .run function" );65	assert.equal( typeof animation.createTween, "function", ".createTween is a function" );66	assert.equal( typeof animation.stop, "function", ".stop is a function" );67	assert.equal( typeof animation.done, "function", ".done is a function" );68	assert.equal( typeof animation.fail, "function", ".fail is a function" );69	assert.equal( typeof animation.always, "function", ".always is a function" );70	assert.equal( typeof animation.progress, "function", ".progress is a function" );71	assert.equal( jQuery.timers.length, 1, "Added a timers function" );72	assert.equal( jQuery.timers[ 0 ].elem, subject, "...with .elem as the subject" );73	assert.equal( jQuery.timers[ 0 ].anim, animation, "...with .anim as the animation" );74	assert.equal( jQuery.timers[ 0 ].queue, opts.queue, "...with .queue" );75	// Cleanup after ourselves by ticking to the end76	this.clock.tick( 100 );77} );78QUnit.test( "Animation.prefilter( fn ) - calls prefilter after defaultPrefilter",79	function( assert ) {80		assert.expect( 1 );81		var prefilter = this.sandbox.stub(),82			defaultSpy = this.sandbox.spy( jQuery.Animation.prefilters, 0 );83		jQuery.Animation.prefilter( prefilter );84		jQuery.Animation( {}, {}, {} );85		assert.ok( prefilter.calledAfter( defaultSpy ), "our prefilter called after" );86	}87);88QUnit.test( "Animation.prefilter( fn, true ) - calls prefilter before defaultPrefilter",89	function( assert ) {90		assert.expect( 1 );91		var prefilter = this.sandbox.stub(),92			defaultSpy = this.sandbox.spy( jQuery.Animation.prefilters, 0 );93		jQuery.Animation.prefilter( prefilter, true );94		jQuery.Animation( {}, {}, {} );95		assert.ok( prefilter.calledBefore( defaultSpy ), "our prefilter called before" );96	}97);98QUnit.test( "Animation.prefilter - prefilter return hooks", function( assert ) {99	assert.expect( 34 );100	var animation, realAnimation, element,101		sandbox = this.sandbox,102		ourAnimation = { stop: this.sandbox.spy() },103		target = { height: 50 },104		props = { height: 100 },105		opts = { duration: 100 },106		prefilter = this.sandbox.spy( function() {107			realAnimation = this;108			sandbox.spy( realAnimation, "createTween" );109			assert.deepEqual( realAnimation.originalProperties, props, "originalProperties" );110			assert.equal( arguments[ 0 ], this.elem, "first param elem" );111			assert.equal( arguments[ 1 ], this.props, "second param props" );112			assert.equal( arguments[ 2 ], this.opts, "third param opts" );113			return ourAnimation;114		} ),115		defaultSpy = sandbox.spy( jQuery.Animation.prefilters, 0 ),116		queueSpy = sandbox.spy( function( next ) {117			next();118		} ),119		TweenSpy = sandbox.spy( jQuery, "Tween" );120	jQuery.Animation.prefilter( prefilter, true );121	sandbox.stub( jQuery.fx, "timer" );122	animation = jQuery.Animation( target, props, opts );123	assert.equal( prefilter.callCount, 1, "Called prefilter" );124	assert.equal(125		defaultSpy.callCount,126		0,127		"Returning something from a prefilter caused remaining prefilters to not run"128	);129	assert.equal( jQuery.fx.timer.callCount, 0, "Returning something never queues a timer" );130	assert.equal(131		animation,132		ourAnimation,133		"Returning something returned it from jQuery.Animation"134	);135	assert.equal(136		realAnimation.createTween.callCount,137		0,138		"Returning something never creates tweens"139	);140	assert.equal( TweenSpy.callCount, 0, "Returning something never creates tweens" );141	// Test overridden usage on queues:142	prefilter.reset();143	element = jQuery( "<div>" )144		.css( "height", 50 )145		.animate( props, 100 )146		.queue( queueSpy )147		.animate( props, 100 )148		.queue( queueSpy )149		.animate( props, 100 )150		.queue( queueSpy );151	assert.equal( prefilter.callCount, 1, "Called prefilter" );152	assert.equal( queueSpy.callCount, 0, "Next function in queue not called" );153	realAnimation.opts.complete.call( realAnimation.elem );154	assert.equal( queueSpy.callCount, 1, "Next function in queue called after complete" );155	assert.equal( prefilter.callCount, 2, "Called prefilter again - animation #2" );156	assert.equal( ourAnimation.stop.callCount, 0, ".stop() on our animation hasn't been called" );157	element.stop();158	assert.equal( ourAnimation.stop.callCount, 1, ".stop() called ourAnimation.stop()" );159	assert.ok(160		!ourAnimation.stop.args[ 0 ][ 0 ],161		".stop( falsy ) (undefined or false are both valid)"162	);163	assert.equal( queueSpy.callCount, 2, "Next queue function called" );164	assert.ok( queueSpy.calledAfter( ourAnimation.stop ), "After our animation was told to stop" );165	// ourAnimation.stop.reset();166	assert.equal( prefilter.callCount, 3, "Got the next animation" );167	ourAnimation.stop.reset();168	// do not clear queue, gotoEnd169	element.stop( false, true );170	assert.ok( ourAnimation.stop.calledWith( true ), ".stop(true) calls .stop(true)" );171	assert.ok( queueSpy.calledAfter( ourAnimation.stop ),172		"and the next queue function ran after we were told" );173} );174QUnit.test( "Animation.tweener( fn ) - unshifts a * tweener", function( assert ) {175	assert.expect( 2 );176	var starTweeners = jQuery.Animation.tweeners[ "*" ];177	jQuery.Animation.tweener( jQuery.noop );178	assert.equal( starTweeners.length, 2 );179	assert.deepEqual( starTweeners, [ jQuery.noop, defaultTweener ] );180} );181QUnit.test( "Animation.tweener( 'prop', fn ) - unshifts a 'prop' tweener", function( assert ) {182	assert.expect( 4 );183	var tweeners = jQuery.Animation.tweeners,184		fn = function() {};185	jQuery.Animation.tweener( "prop", jQuery.noop );186	assert.equal( tweeners.prop.length, 1 );187	assert.deepEqual( tweeners.prop, [ jQuery.noop ] );188	jQuery.Animation.tweener( "prop", fn );189	assert.equal( tweeners.prop.length, 2 );190	assert.deepEqual( tweeners.prop, [ fn, jQuery.noop ] );191} );192QUnit.test(193	"Animation.tweener( 'list of props', fn ) - unshifts a tweener to each prop",194	function( assert ) {195		assert.expect( 2 );196		var tweeners = jQuery.Animation.tweeners,197			fn = function() {};198		jQuery.Animation.tweener( "list of props", jQuery.noop );199		assert.deepEqual( tweeners, {200			list: [ jQuery.noop ],201			of: [ jQuery.noop ],202			props: [ jQuery.noop ],203			"*": [ defaultTweener ]204		} );205		// Test with extra whitespaces206		jQuery.Animation.tweener( " list\t of \tprops\n*", fn );207		assert.deepEqual( tweeners, {208			list: [ fn, jQuery.noop ],209			of: [ fn, jQuery.noop ],210			props: [ fn, jQuery.noop ],211			"*": [ fn, defaultTweener ]212		} );213	}214);...

filtersReducer.js

Source:filtersReducer.js

1import {2    CHANGE_FILTER_CATEGORIES,3    CHANGE_FILTER_PRICE_RANGE,4    CHANGE_FILTER_PRICE_SORT,5    CHANGE_FILTER_RATING,6    RESET_FILTER,7} from "redux/actions/filterAction";8const initialState = {9    params: {10        categories: {11            label: "categoryId",12            operator: "in",13            value: [],14        },15        rating: {16            label: "rating",17            operator: "==",18            value: 0,19        },20        fromPrice: {21            label: "price",22            operator: ">=",23            value: 0,24        },25        toPrice: {26            label: "price",27            operator: "<=",28            value: 0,29        },30    },31    sort: {32        label: "price",33        value: "",34    },35};36const filtersReducer = (state = initialState, action) => {37    const preFilter = JSON.parse(JSON.stringify(state));38    switch (action.type) {39        case CHANGE_FILTER_CATEGORIES: {40            if (action.payload.assemble) {41                const { value } = preFilter.params.categories;42                const index = value.indexOf(action.payload.category);43                if (index > -1) {44                    value.splice(index, 1);45                } else {46                    value.push(action.payload.category);47                }48                preFilter.params.categories.value = value;49            } else {50                preFilter.params.categories.value =51                    action.payload.category !== "all" ? [action.payload.category] : [];52            }53            return preFilter;54        }55        case CHANGE_FILTER_RATING: {56            preFilter.params.rating.value =57                preFilter.params.rating.value === action.payload ? 0 : action.payload;58            return preFilter;59        }60        case CHANGE_FILTER_PRICE_RANGE: {61            const { from, to } = action.payload;62            if (63                preFilter.params.fromPrice.value === from &&64                preFilter.params.toPrice.value === to65            ) {66                preFilter.params.fromPrice.value = 0;67                preFilter.params.toPrice.value = 0;68            } else {69                preFilter.params.fromPrice.value = from;70                preFilter.params.toPrice.value = to;71            }72            return preFilter;73        }74        case CHANGE_FILTER_PRICE_SORT: {75            preFilter.sort.value = action.payload !== "default" ? action.payload : "";76            return preFilter;77        }78        case RESET_FILTER: {79            return initialState;80        }81        default:82            return state;83    }84};...

Using AI Code Generation

1const { preFilter } = require('fast-check');2const isEven = (n) => n % 2 === 0;3const isOdd = (n) => n % 2 !== 0;4const isPositive = (n) => n > 0;5const evenOddPositive = preFilter(isEven, isOdd, isPositive);6const result = evenOddPositive((a, b, c) => a + b + c);7console.log('result', result);8const { preFilter } = require('fast-check');9const isEven = (n) => n % 2 === 0;10const isOdd = (n) => n % 2 !== 0;11const isPositive = (n) => n > 0;12const evenOddPositive = preFilter(isEven, isOdd, isPositive);13const result = evenOddPositive((a, b, c) => a - b - c);14console.log('result', result);15const { preFilter } = require('fast-check');16const isEven = (n) => n % 2 === 0;17const isOdd = (n) => n % 2 !== 0;18const isPositive = (n) => n > 0;19const evenOddPositive = preFilter(isEven, isOdd, isPositive);20const result = evenOddPositive((a, b, c) => a * b * c);21console.log('result', result);22const { preFilter } = require('fast-check');23const isEven = (n) => n % 2 === 0;24const isOdd = (n) => n % 2 !== 0;25const isPositive = (n) => n > 0;26const evenOddPositive = preFilter(isEven, isOdd, isPositive);27const result = evenOddPositive((a, b, c) => a / b / c);28console.log('result', result);

Using AI Code Generation

1const fc = require('fast-check');2const { preFilter } = require('fast-check/lib/check/arbitrary/definition/PreFilterArbitrary');3const myArbitrary = fc.integer();4const myPredicate = (x) => {5  return x % 2 === 0;6};7const myPreFilteredArbitrary = preFilter(myArbitrary, myPredicate);8console.log(fc.sample(myPreFilteredArbitrary));9const myPredicate2 = (x) => {10  return x % 2 !== 0;11};12const myPreFilteredArbitrary2 = preFilter(myArbitrary, myPredicate2);13console.log(fc.sample(myPreFilteredArbitrary2));14const myPredicate3 = (x) => {15  return x < 0;16};17const myPreFilteredArbitrary3 = preFilter(myArbitrary, myPredicate3);18console.log(fc.sample(myPreFilteredArbitrary3));19const myPredicate4 = (x) => {20  return x > 0;21};22const myPreFilteredArbitrary4 = preFilter(myArbitrary, myPredicate4);23console.log(fc.sample(myPreFilteredArbitrary4));24const myPredicate5 = (x) => {25  return x === 0;26};27const myPreFilteredArbitrary5 = preFilter(myArbitrary, myPredicate5);28console.log(fc.sample(myPreFilteredArbitrary5));

Using AI Code Generation

1var fc = require('fast-check');2var gen = fc.integer(1, 100);3var preFilter = fc.preFilter;4var filteredGen = preFilter(gen, function (n) { return n % 2 == 0; });5fc.assert(fc.property(filteredGen, function (n) { return n % 2 == 0; }));6var fc = require('fast-check');7var gen = fc.integer(1, 100);8var preFilter = fc.preFilter;9var filteredGen = preFilter(gen, function (n) { return n % 2 == 0; });10fc.assert(fc.property(filteredGen, function (n) { return n % 2 == 0; }));11var fc = require('fast-check');12var gen = fc.integer(1, 100);13var preFilter = fc.preFilter;14var filteredGen = preFilter(gen, function (n) { return n % 2 == 0; });15fc.assert(fc.property(filteredGen, function (n) { return n % 2 == 0; }));16var fc = require('fast-check');17var gen = fc.integer(1, 100);18var preFilter = fc.preFilter;19var filteredGen = preFilter(gen, function (n) { return n % 2 == 0; });20fc.assert(fc.property(filteredGen, function (n) { return n % 2 == 0; }));21var fc = require('fast-check');22var gen = fc.integer(1, 100);23var preFilter = fc.preFilter;24var filteredGen = preFilter(gen, function (n) { return n % 2 ==

Using AI Code Generation

1const fc = require('fast-check');2const { preFilter } = require('fast-check-monorepo');3const preFilterTest = () => {4  const preFilterTest = preFilter(5    (value) => typeof value === 'number' && value > 0,6    fc.integer()7  );8  return preFilterTest;9};10fc.assert(11  fc.property(preFilterTest(), (value) => {12    return typeof value === 'number' && value > 0;13  })14);15const fc = require('fast-check');16const { preFilter } = require('fast-check-monorepo');17const preFilterTest = () => {18  const preFilterTest = preFilter(19    (value) => typeof value === 'number' && value > 0,20    fc.integer()21  );22  return preFilterTest;23};24fc.assert(25  fc.property(preFilterTest(), (value) => {26    return typeof value === 'number' && value > 0;27  })28);29const fc = require('fast-check');30const { preFilter } = require('fast-check-monorepo');31const preFilterTest = () => {32  const preFilterTest = preFilter(33    (value) => typeof value === 'number' && value > 0,34    fc.integer()35  );36  return preFilterTest;37};38fc.assert(39  fc.property(preFilterTest(), (value) => {40    return typeof value === 'number' && value > 0;41  })42);43const fc = require('fast-check');44const { preFilter } = require('fast-check-monorepo');45const preFilterTest = () => {46  const preFilterTest = preFilter(47    (value) => typeof value === 'number' && value

Using AI Code Generation

1const { preFilter } = require('fast-check');2const generateRandomArray = preFilter(3  (array) => array.length < 100,4  fc.array(fc.integer())5);6const sumOfArray = (array) => {7  let sum = 0;8  for (let i = 0; i < array.length; i++) {9    sum += array[i];10  }11  return sum;12};13const sumOfArrayProperty = fc.property(generateRandomArray, (array) => {14  return sumOfArray(array) === array.reduce((a, b) => a + b, 0);15});16fc.assert(sumOfArrayProperty, { verbose: true });

Using AI Code Generation

1const { myFunction } = require("./myFunction");2const { preFilter } = require("fast-check");3describe("myFunction", () => {4    test("should return the correct result", () => {5            { input: 1, output: 1 },6            { input: 2, output: 2 },7            { input: 3, output: 3 },8            { input: 4, output: 4 },9            { input: 5, output: 5 },10            { input: 6, output: 6 },11            { input: 7, output: 7 },12            { input: 8, output: 8 },13            { input: 9, output: 9 },14            { input: 10, output: 10 },15        ];16        preFilter(17            (data) => {18                expect(myFunction(data.input)).toBe(data.output);19            },20            (data) => {21                return data.input === data.output;22            }23        );24    });25});26exports.myFunction = (input) => {27    return input;28};29{30    "scripts": {31    },32    "dependencies": {33    },34    "devDependencies": {35    }36}

Using AI Code Generation

1const fc = require('fast-check');2const preFilter = (s) => s.length === 5;3const postFilter = (s) => s.length === 5;4const map = (s) => s.repeat(2);5const chain = (s) => s.repeat(4);6fc.assert(7  fc.property(8    fc.preFilter(fc.string(), preFilter),9    fc.postFilter(fc.string(), postFilter),10    fc.map(fc.string(), map),11    fc.chain(fc.string(), chain),12    (a, b, c, d) => {13      console.log('a = ', a);14      console.log('b = ', b);15      console.log('c = ', c);16      console.log('d = ', d);17      console.log('a.length = ', a.length);18      console.log('b.length = ', b.length);19      console.log('c.length = ', c.length);20      console.log('d.length = ', d.length);21      return a.length === 5 && b.length === 5 && c.length === 10 && d.length === 20;22    }23);

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.