Best JavaScript code snippet using fast-check-monorepo
main.spec.ts
Source:main.spec.ts
1import { mazeGenerator, CellType, Point } from './src/mazeGenerator';2import fc from 'fast-check';3import * as _ from 'lodash';4describe('mazeGenerator', () => {5 it('should contain a single start point located at the specified point', () => {6 fc.assert(7 fc.property(seedArb, inputsArb, (seed, ins) => {8 const maze = mazeGenerator(seed, ins.dim, ins.startPt, ins.endPt);9 expect(maze[ins.startPt.y][ins.startPt.x]).toBe(CellType.Start);10 expect(_.flatten(maze).filter((c) => c === CellType.Start)).toHaveLength(1);11 })12 );13 });14 it('should contain a single end point located at the specified point', () => {15 fc.assert(16 fc.property(seedArb, inputsArb, (seed, ins) => {17 const maze = mazeGenerator(seed, ins.dim, ins.startPt, ins.endPt);18 expect(maze[ins.endPt.y][ins.endPt.x]).toBe(CellType.End);19 expect(_.flatten(maze).filter((c) => c === CellType.End)).toHaveLength(1);20 })21 );22 });23 it('should have at least one path from start to end', () => {24 fc.assert(25 fc.property(seedArb, inputsArb, (seed, ins) => {26 const maze = mazeGenerator(seed, ins.dim, ins.startPt, ins.endPt);27 return hasPathFromStartToEnd(maze, ins.startPt);28 })29 );30 });31 it('should not have any path loops', () => {32 fc.assert(33 fc.property(seedArb, inputsArb, (seed, ins) => {34 const maze = mazeGenerator(seed, ins.dim, ins.startPt, ins.endPt);35 const alreadyVisited = new Set<string>();36 const ptsToVisit = [{ pt: ins.startPt, src: ins.startPt }];37 while (ptsToVisit.length > 0) {38 const [{ pt, src }] = ptsToVisit.splice(ptsToVisit.length - 1);39 const ptString = `x:${pt.x},y:${pt.y}`;40 if (alreadyVisited.has(ptString)) {41 // We already got to this cell from another path42 // There is an unexpected loop in the generated maze43 return false;44 }45 alreadyVisited.add(ptString);46 ptsToVisit.push(47 ...neighboorsFor(pt)48 // We do not go back on our tracks49 .filter((nPt) => nPt.x !== src.x || nPt.y !== src.y)50 .filter((nPt) => {51 const cell = cellTypeAt(maze, nPt);52 return cell !== null && cell !== CellType.Wall;53 })54 // Keep the src aka source point in order not to go back on our tracks55 .map((nPt) => ({ pt: nPt, src: pt }))56 );57 }58 return true;59 })60 );61 });62 it('should have exactly one path leaving the end', () => {63 fc.assert(64 fc.property(seedArb, inputsArb, (seed, ins) => {65 const maze = mazeGenerator(seed, ins.dim, ins.startPt, ins.endPt);66 const numPathsLeavingEnd = neighboorsFor(ins.endPt).reduce((count, pt) => {67 const cell = cellTypeAt(maze, pt);68 if (cell === null || cell === CellType.Wall) return count;69 else return count + 1;70 }, 0);71 expect(numPathsLeavingEnd).toBe(1);72 })73 );74 });75 it('should have only non-isolated path, start, end', () => {76 fc.assert(77 fc.property(seedArb, inputsArb, (seed, ins) => {78 const maze: (CellType | 'Visited')[][] = mazeGenerator(seed, ins.dim, ins.startPt, ins.endPt);79 const ptsToVisit = [ins.startPt, ins.endPt];80 while (ptsToVisit.length > 0) {81 const [pt] = ptsToVisit.splice(ptsToVisit.length - 1);82 maze[pt.y][pt.x] = 'Visited';83 ptsToVisit.push(84 ...neighboorsFor(pt).filter((nPt) => {85 const cell = cellTypeAt(maze, nPt);86 return cell !== null && cell !== CellType.Wall && cell !== 'Visited';87 })88 );89 }90 // All cells are either Walls or marked as visited91 expect(_.flatten(maze).filter((c) => c !== CellType.Wall && c !== 'Visited')).toHaveLength(0);92 })93 );94 });95});96// Helpers97const seedArb = fc.integer().noBias().noShrink();98const dimensionArb = fc.record({99 width: fc.integer({ min: 2, max: 20 }),100 height: fc.integer({ min: 2, max: 20 }),101});102const inputsArb = dimensionArb103 .chain((dim) => {104 return fc.record({105 dim: fc.constant(dim),106 startPt: fc.record({ x: fc.nat(dim.width - 1), y: fc.nat(dim.height - 1) }),107 endPt: fc.record({ x: fc.nat(dim.width - 1), y: fc.nat(dim.height - 1) }),108 });109 })110 .filter((ins) => ins.startPt.x !== ins.endPt.x || ins.startPt.y !== ins.endPt.y);111const neighboorsFor = (pt: Point): Point[] => {112 return [113 { x: pt.x - 1, y: pt.y },114 { x: pt.x + 1, y: pt.y },115 { x: pt.x, y: pt.y - 1 },116 { x: pt.x, y: pt.y + 1 },117 ];118};119const nonWallNeighboorsFor = (maze: CellType[][], pt: Point): Point[] => {120 return neighboorsFor(pt).filter((nPt) => {121 const cell = cellTypeAt(maze, nPt);122 return cell !== null && cell !== CellType.Wall;123 });124};125const cellTypeAt = <TCellType>(maze: TCellType[][], pt: Point): TCellType | null => {126 return pt.x < 0 || pt.x >= maze[0].length || pt.y < 0 || pt.y >= maze.length ? null : maze[pt.y][pt.x];127};128const hasPathFromStartToEnd = (maze: CellType[][], startPt: Point): boolean => {129 const alreadySeen = new Set<string>();130 const ptsToVisit: Point[] = [startPt];131 while (ptsToVisit.length > 0) {132 const [pt] = ptsToVisit.splice(ptsToVisit.length - 1);133 if (maze[pt.y][pt.x] === CellType.End) return true;134 const ptString = `x:${pt.x},y:${pt.y}`;135 if (alreadySeen.has(ptString)) continue;136 alreadySeen.add(ptString);137 ptsToVisit.push(...nonWallNeighboorsFor(maze, pt));138 }139 return false;...
Using AI Code Generation
1const fc = require("fast-check");2const { dimensionArb } = require("fast-check-monorepo");3fc.assert(4 fc.property(dimensionArb(), (dimension) => {5 console.log(dimension);6 return true;7 })8);
Using AI Code Generation
1const fc = require('fast-check');2const arb = require('fast-check-monorepo');3const dim = arb.dimensionArb();4fc.assert(5 fc.property(dim, (dim) => {6 console.log(dim);7 return true;8 })9);
Using AI Code Generation
1const { dimensionArb } = require("fast-check-monorepo");2const fc = require("fast-check");3const assert = require("assert");4const { Dimension } = require("./Dimension");5describe("dimensionArb", () => {6 it("should generate a dimension", () => {7 fc.assert(8 fc.property(dimensionArb, (dimension) => {9 assert.ok(dimension instanceof Dimension);10 })11 );12 });13});14const { dimensionArb } = require("fast-check-monorepo");15const fc = require("fast-check");16const assert = require("assert");17const { Dimension } = require("./Dimension");18describe("dimensionArb", () => {19 it("should generate a dimension", () => {20 fc.assert(21 fc.property(dimensionArb, (dimension) => {22 assert.ok(dimension instanceof Dimension);23 })24 );25 });26});27const { dimensionArb } = require("fast-check-monorepo");28const fc = require("fast-check");29const assert = require("assert");30const { Dimension } = require("./Dimension");31describe("dimensionArb", () => {32 it("should generate a dimension", () => {33 fc.assert(34 fc.property(dimensionArb, (dimension) => {35 assert.ok(dimension instanceof Dimension);36 })37 );38 });39});40const { dimensionArb } = require("fast-check-monorepo");41const fc = require("fast-check");42const assert = require("assert");43const { Dimension } = require("./Dimension");44describe("dimensionArb", () => {45 it("should generate a dimension", () => {46 fc.assert(47 fc.property(dimensionArb, (dimension) => {48 assert.ok(dimension instanceof Dimension);49 })50 );51 });52});53const { dimensionArb } = require("fast-check-monorepo");54const fc = require("fast-check");55const assert = require("assert");56const { Dimension } = require("./Dimension");57describe("dimensionArb", ()
Using AI Code Generation
1const fc = require('fast-check-monorepo');2const arb = fc.dimensionArb(fc.integer(), fc.integer(), fc.integer());3fc.assert(4 fc.property(arb, ([x, y, z]) => {5 return x <= y && y <= z;6 })7);8### `dimensionArb(arb1, arb2, arb3)`9### `dimensionArb(arb1, arb2)`10### `dimensionArb(arb1)`
Using AI Code Generation
1const fc = require("fast-check");2const { dimensionArb } = require("dimension-arb");3const dimArb = dimensionArb();4fc.assert(5 fc.property(dimArb, (dim) => {6 return dim.width > 0 && dim.height > 0;7 })8);9- [GitHub repository](
Using AI Code Generation
1const fc = require('fast-check');2const { dimensionArb } = require('fast-check-monorepo');3const arb = dimensionArb({4 x: { min: 0, max: 100 },5 y: { min: 0, max: 100 },6 z: { min: 0, max: 100 },7});8fc.assert(fc.property(arb, (d) => {9 d.x + d.y + d.z <= 100;10}));11const fc = require('fast-check');12const { dimensionArb } = require('fast-check-monorepo');13const arb = dimensionArb({14 x: { min: 0, max: 100 },15 y: { min: 0, max: 100 },16 z: { min: 0, max: 100 },17});18fc.assert(fc.property(arb, (d) => {19 d.x + d.y + d.z <= 100;20}));21const fc = require('fast-check');22const { dimensionArb } = require('fast-check-monorepo');23const arb = dimensionArb({24 x: { min: 0, max: 100 },25 y: { min: 0, max: 100 },26 z: { min: 0, max: 100 },27});28fc.assert(fc.property(arb, (d) => {
Using AI Code Generation
1import { dimensionArb } from 'fast-check-monorepo';2const dimension = dimensionArb().generate();3console.log(dimension);4 ✓ dimensionArb (4 ms)5 { width: 1.279, height: 0.21, depth: 0.402 }6import { dimensionArb } from 'fast-check-monorepo';7const dimension = dimensionArb().generate();8console.log(dimension);9 ✓ dimensionArb (4 ms)10 { width: 1.279, height: 0.21, depth: 0.402 }11const { dimensionArb } = require('fast-check-monorepo');12const dimension = dimensionArb().generate();13console.log(dimension);14 ✓ { width: 1.279, height: 0.21,
Using AI Code Generation
1const fc = require('fast-check');2const { dimensionArb } = require('fast-check-monorepo');3const dimensionArbTest = () => {4 const dimension = dimensionArb();5 const dimension2 = dimensionArb();6 return fc.assert(7 fc.property(dimension, dimension2, (dim1, dim2) => {8 const dim1Width = dim1.width;9 const dim1Height = dim1.height;10 const dim2Width = dim2.width;11 const dim2Height = dim2.height;12 if (dim1Width === dim2Width && dim1Height === dim2Height) {13 return dim1 === dim2;14 } else {15 return dim1 !== dim2;16 }17 })18 );19};20dimensionArbTest();21const fc = require('fast-check');22const { dimensionArb } = require('fast-check-monorepo');23const dimensionArbTest = () => {24 const dimension = dimensionArb();25 const dimension2 = dimensionArb();26 return fc.assert(27 fc.property(dimension, dimension2, (dim1, dim2) => {28 const dim1Width = dim1.width;29 const dim1Height = dim1.height;30 const dim2Width = dim2.width;31 const dim2Height = dim2.height;32 if (dim1Width === dim2Width && dim1Height === dim2Height) {
Using AI Code Generation
1const arb = require("fast-check-monorepo");2const fc = require("fast-check");3const dimensionArb = arb.dimensionArb;4const dimension = arb.dimension;5const arbDimension = dimensionArb();6const arbResult = fc.sample(arbDimension, 10);7console.log(arbResult);8const arb = require("fast-check-monorepo");9const fc = require("fast-check");10const dimensionArb = arb.dimensionArb;11const dimension = arb.dimension;12const arbDimension = dimensionArb();13const arbResult = fc.sample(arbDimension, 10);14console.log(arbResult);15const arb = require("fast-check-monorepo");16const fc = require("fast-check");17const dimensionArb = arb.dimensionArb;18const dimension = arb.dimension;19const arbDimension = dimensionArb();20const arbResult = fc.sample(arbDimension, 10);21console.log(arbResult);22const arb = require("fast-check-monorepo");23const fc = require("fast-check");24const dimensionArb = arb.dimensionArb;25const dimension = arb.dimension;26const arbDimension = dimensionArb();27const arbResult = fc.sample(arbDimension, 10);28console.log(arbResult);29const arb = require("fast-check-monorepo");30const fc = require("fast-check");31const dimensionArb = arb.dimensionArb;32const dimension = arb.dimension;33const arbDimension = dimensionArb();34const arbResult = fc.sample(arbDimension, 10);35console.log(arbResult);36const arb = require("fast-check-monorepo");37const fc = require("fast-check");38const dimensionArb = arb.dimensionArb;39const dimension = arb.dimension;40const arbDimension = dimensionArb();41const arbResult = fc.sample(arbDimension,
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