How to use dimensionArb method in fast-check-monorepo

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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