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How to use spyIntegerWithValue method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

float.spec.ts

Source:float.spec.ts

...127          const { min, max } = minMaxForConstraints(ct || {});128          const minIndex = floatToIndex(min);129          const maxIndex = floatToIndex(max);130          const arbitraryGeneratedIndex = (mod % (maxIndex - minIndex + 1)) + minIndex;131          spyIntegerWithValue(() => arbitraryGeneratedIndex);132          // Act133          const arb = float(ct);134          const { value_: f } = arb.generate(mrng, biasFactor);135          // Assert136          expect(f).toBe(indexToFloat(arbitraryGeneratedIndex));137        }138      )139    ));140  describe('with NaN', () => {141    const withNaNRecordConstraints = { ...defaultFloatRecordConstraints, noNaN: fc.constant(false) };142    it('should ask for a range with one extra value (far from zero)', () => {143      fc.assert(144        fc.property(floatConstraints(withNaNRecordConstraints), (ct) => {145          // Arrange146          const { max } = minMaxForConstraints(ct);147          const integer = spyInteger();148          // Act149          float({ ...ct, noNaN: true });150          float(ct);151          // Assert152          expect(integer).toHaveBeenCalledTimes(2);153          const integerConstraintsNoNaN = integer.mock.calls[0][0]!;154          const integerConstraintsWithNaN = integer.mock.calls[1][0]!;155          if (max > 0) {156            // max > 0  --> NaN will be added as the greatest value157            expect(integerConstraintsWithNaN.min).toBe(integerConstraintsNoNaN.min);158            expect(integerConstraintsWithNaN.max).toBe(integerConstraintsNoNaN.max! + 1);159          } else {160            // max <= 0 --> NaN will be added as the smallest value161            expect(integerConstraintsWithNaN.min).toBe(integerConstraintsNoNaN.min! - 1);162            expect(integerConstraintsWithNaN.max).toBe(integerConstraintsNoNaN.max);163          }164        })165      );166    });167    it('should properly convert the extra value to NaN', () =>168      fc.assert(169        fc.property(170          floatConstraints(withNaNRecordConstraints),171          fc.option(fc.integer({ min: 2 }), { nil: undefined }),172          (ct, biasFactor) => {173            // Arrange174            // Setup mocks for integer175            const { instance: mrng } = fakeRandom();176            const arbitraryGenerated = { value: Number.NaN };177            const integer = spyIntegerWithValue(() => arbitraryGenerated.value);178            // Call float next to find out the value required for NaN179            float({ ...ct, noNaN: true });180            const arb = float(ct);181            // Extract NaN "index"182            const { min: minNonNaN } = integer.mock.calls[0][0]!;183            const { min: minNaN, max: maxNaN } = integer.mock.calls[1][0]!;184            const indexForNaN = minNonNaN !== minNaN ? minNaN : maxNaN;185            if (indexForNaN === undefined) throw new Error('No value available for NaN');186            arbitraryGenerated.value = indexForNaN;187            // Act188            const { value_: f } = arb.generate(mrng, biasFactor);189            // Assert190            expect(f).toBe(Number.NaN);191          }192        )193      ));194  });195  describe('without NaN', () => {196    // eslint-disable-next-line @typescript-eslint/no-unused-vars197    const { noNaN, ...noNaNRecordConstraints } = defaultFloatRecordConstraints;198    it('should ask integers between the indexes corresponding to min and max', () => {199      fc.assert(200        fc.property(floatConstraints(noNaNRecordConstraints), (ctDraft) => {201          // Arrange202          const ct = { ...ctDraft, noNaN: true };203          const integer = spyInteger();204          const { min, max } = minMaxForConstraints(ct);205          const minIndex = floatToIndex(min);206          const maxIndex = floatToIndex(max);207          // Act208          float(ct);209          // Assert210          expect(integer).toHaveBeenCalledTimes(1);211          expect(integer).toHaveBeenCalledWith({ min: minIndex, max: maxIndex });212        })213      );214    });215  });216});217describe('float (integration)', () => {218  type Extra = FloatConstraints | undefined;219  const extraParameters: fc.Arbitrary<Extra> = fc.option(floatConstraints(), { nil: undefined });220  const isCorrect = (v: number, extra: Extra) => {221    expect(typeof v).toBe('number'); // should always produce numbers222    expect(is32bits(v)).toBe(true); // should always produce 32-bit floats223    if (extra === undefined) {224      return; // no other constraints225    }226    if (extra.noNaN) {227      expect(v).not.toBe(Number.NaN); // should not produce NaN if explicitely asked not too228    }229    if (extra.min !== undefined && !Number.isNaN(v)) {230      expect(v).toBeGreaterThanOrEqual(extra.min); // should always be greater than min when specified231    }232    if (extra.max !== undefined && !Number.isNaN(v)) {233      expect(v).toBeLessThanOrEqual(extra.max); // should always be smaller than max when specified234    }235    if (extra.noDefaultInfinity) {236      if (extra.min === undefined) {237        expect(v).not.toBe(Number.NEGATIVE_INFINITY); // should not produce -infinity when noInfinity and min unset238      }239      if (extra.max === undefined) {240        expect(v).not.toBe(Number.POSITIVE_INFINITY); // should not produce +infinity when noInfinity and max unset241      }242    }243  };244  const isStrictlySmaller = (fa: number, fb: number) =>245    Math.abs(fa) < Math.abs(fb) || //              Case 1: abs(a) < abs(b)246    (Object.is(fa, +0) && Object.is(fb, -0)) || // Case 2: +0 < -0  --> we shrink from -0 to +0247    (!Number.isNaN(fa) && Number.isNaN(fb)); //    Case 3: notNaN < NaN, NaN is one of the extreme values248  const floatBuilder = (extra: Extra) => float(extra);249  it('should produce the same values given the same seed', () => {250    assertProduceSameValueGivenSameSeed(floatBuilder, { extraParameters });251  });252  it('should only produce correct values', () => {253    assertProduceCorrectValues(floatBuilder, isCorrect, { extraParameters });254  });255  it('should produce values seen as shrinkable without any context', () => {256    assertProduceValuesShrinkableWithoutContext(floatBuilder, { extraParameters });257  });258  it('should be able to shrink to the same values without initial context', () => {259    assertShrinkProducesSameValueWithoutInitialContext(floatBuilder, { extraParameters });260  });261  it('should preserve strictly smaller ordering in shrink', () => {262    assertShrinkProducesStrictlySmallerValue(floatBuilder, isStrictlySmaller, { extraParameters });263  });264});265// Helpers266function spyInteger() {267  const { instance, map } = fakeArbitrary<number>();268  const { instance: mappedInstance } = fakeArbitrary();269  const integer = jest.spyOn(IntegerMock, 'integer');270  integer.mockReturnValue(instance);271  map.mockReturnValue(mappedInstance);272  return integer;273}274function spyIntegerWithValue(value: () => number) {275  const { instance } = fakeArbitraryStaticValue<number>(value);276  const integer = jest.spyOn(IntegerMock, 'integer');277  integer.mockReturnValue(instance);278  return integer;...

Using AI Code Generation

1const SpyValueArbitraryBuilder = require('fast-check-monorepo/test/unit/arbitrary/helpers/SpyValueArbitraryBuilder.js');2const spyIntegerWithValue = SpyValueArbitraryBuilder.spyIntegerWithValue;3describe('test', () => {4  it('test', () => {5    const spy = spyIntegerWithValue(1);6    spy.withBias(1);7    expect(spy.generate(1)).toEqual(1);8  });9});

Using AI Code Generation

1const { spyIntegerWithValue } = require('fast-check-monorepo');2const { spy } = require('sinon');3describe('spyIntegerWithValue', () => {4  it('should return a spy', () => {5    const spyFn = spyIntegerWithValue(1);6    expect(spyFn).toBeInstanceOf(spy);7  });8});9const { spyIntegerWithValue } = require('fast-check-monorepo');10const { spy } = require('sinon');11describe('spyIntegerWithValue', () => {12  it('should return a spy', () => {13    const spyFn = spyIntegerWithValue(1);14    expect(spyFn).toBeInstanceOf(spy);15  });16});17const { spyIntegerWithValue } = require('fast-check-monorepo');18const { spy } = require('sinon');19describe('spyIntegerWithValue', () => {20  it('should return a spy', () => {21    const spyFn = spyIntegerWithValue(1);22    expect(spyFn).toBeInstanceOf(spy);23  });24});25const { spyIntegerWithValue } = require('fast-check-monorepo');26const { spy } = require('sinon');27describe('spyIntegerWithValue', () => {28  it('should return a spy', () => {29    const spyFn = spyIntegerWithValue(1);30    expect(spyFn).toBeInstanceOf(spy);31  });32});33const { spyIntegerWithValue } = require('fast-check-monorepo');34const { spy } = require('sinon');35describe('spyIntegerWithValue', () => {36  it('should return a spy', () => {37    const spyFn = spyIntegerWithValue(1);38    expect(spyFn).toBeInstanceOf(spy);39  });40});41const { spyIntegerWithValue } = require('fast-check-monorepo');42const { spy } = require('sinon');43describe('spyIntegerWithValue', () => {44  it('should return a spy', ()

Using AI Code Generation

1import { spyIntegerWithValue } from 'fast-check-monorepo';2const spy = spyIntegerWithValue(42);3import { spyIntegerWithValue } from 'fast-check-monorepo';4const spy = spyIntegerWithValue(42);5import { spyIntegerWithValue } from 'fast-check-monorepo';6const spy = spyIntegerWithValue(42);7import { spyIntegerWithValue } from 'fast-check-monorepo';8const spy = spyIntegerWithValue(42);9import { spyIntegerWithValue } from 'fast-check-monorepo';10const spy = spyIntegerWithValue(42);11import { spyIntegerWithValue } from 'fast-check-monorepo';12const spy = spyIntegerWithValue(42);13import { spyIntegerWithValue } from 'fast-check-monorepo';14const spy = spyIntegerWithValue(42);15import { spyIntegerWithValue } from 'fast-check-monorepo';16const spy = spyIntegerWithValue(42);17import { spyIntegerWithValue } from 'fast-check-monorepo';18const spy = spyIntegerWithValue(42);19spy(43);

Using AI Code Generation

1import { spyIntegerWithValue } from 'fast-check-monorepo';2spyIntegerWithValue(0, 10);3import { spyIntegerWithValue } from 'fast-check-monorepo';4spyIntegerWithValue(0, 10);5import { spyIntegerWithValue } from 'fast-check-monorepo';6spyIntegerWithValue(0, 10);7import { spyIntegerWithValue } from 'fast-check-monorepo';8spyIntegerWithValue(0, 10);9import { spyIntegerWithValue } from 'fast-check-monorepo';10spyIntegerWithValue(0, 10);11import { spyIntegerWithValue } from 'fast-check-monorepo';12spyIntegerWithValue(0, 10);13import { spyIntegerWithValue } from 'fast-check-monorepo';14spyIntegerWithValue(0, 10);15import { spyIntegerWithValue } from 'fast-check-monorepo';16spyIntegerWithValue(0, 10);17import { spyIntegerWithValue } from 'fast-check-monorepo';18spyIntegerWithValue(0, 10);19import { spyIntegerWithValue } from 'fast-check-monorepo';20spyIntegerWithValue(0, 10);21import { spyIntegerWithValue } from 'fast-check-monorepo';22spyIntegerWithValue(0, 10);23import { spyIntegerWithValue } from 'fast-check-monorepo';

Using AI Code Generation

1import { spyIntegerWithValue } from 'fast-check';2import { spyIntegerWithValue } from 'fast-check/lib/check/arbitrary/SpyValueArbitrary';3import { spyIntegerWithValue } from 'fast-check/lib/check/arbitrary/SpyValueArbitrary';4import { spyIntegerWithValue } from 'fast-check/lib/check/arbitrary/SpyValueArbitrary';5import { spyIntegerWithValue } from 'fast-check/lib/check/arbitrary/SpyValueArbitrary';6import { spyIntegerWithValue } from 'fast-check/lib/check/arbitrary/SpyValueArbitrary';7import { spyIntegerWithValue } from 'fast-check/lib/check/arbitrary/SpyValueArbitrary';8import { spyIntegerWithValue } from 'fast-check/lib/check/arbitrary/SpyValueArbitrary';9import { spyIntegerWithValue } from 'fast-check/lib/check/arbitrary/SpyValueArbitrary';10import { spyIntegerWithValue } from 'fast-check/lib/check/arbitrary/SpyValueArbitrary';11import { spyIntegerWithValue } from 'fast-check/lib/check/arbitrary/SpyValueArbitrary';12import { spyIntegerWithValue } from 'fast-check/lib/check/arbitrary/SpyValueArbitrary';13import { spyIntegerWithValue } from 'fast-check/lib/check/arbitrary/SpyValueArbitrary';14import { spyIntegerWithValue } from 'fast-check/lib/check/arbitrary/SpyValueArbitrary';15import { spyIntegerWithValue } from 'fast-check/lib/check/arbitrary/SpyValueArbitrary';16import { spyIntegerWithValue } from 'fast-check/lib/check

Using AI Code Generation

1import { spyIntegerWithValue } from 'fast-check';2describe('spyIntegerWithValue', () => {3  it('should return the same value as passed to it', () => {4    const value = 2;5    expect(spyIntegerWithValue(value)).toBe(value);6  });7});8{9      {10        "targets": {11        }12      }13}14{15  "compilerOptions": {16    "paths": {17    }18  }19}20{21  "scripts": {22  },23  "dependencies": {24  }25}

Using AI Code Generation

1import { spyIntegerWithValue } from 'fast-check';2describe('spyIntegerWithValue', () => {3  it('should return the same value as the spy', () => {4    const spy = jest.fn();5    const result = spyIntegerWithValue(spy);6    expect(result).toBe(spy);7  });8});9I would suggest you to use the following import:10import { spyInteger } from 'fast-check/lib/types/property/SpyValue';

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