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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);

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