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How to use filterOnExecution method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

CommandsArbitrary.ts

Source:CommandsArbitrary.ts

...61    // Not supported yet on commands62    return false;63  }64  /** Filter commands based on the real status of the execution */65  private filterOnExecution(itemsRaw: Value<CommandWrapper<Model, Real, RunResult, CheckAsync>>[]) {66    const items: typeof itemsRaw = [];67    for (const c of itemsRaw) {68      if (c.value_.hasRan) {69        this.replayPath.push(true);70        items.push(c);71      } else this.replayPath.push(false);72    }73    return items;74  }75  /** Filter commands based on the internal replay state */76  private filterOnReplay(itemsRaw: Value<CommandWrapper<Model, Real, RunResult, CheckAsync>>[]) {77    return itemsRaw.filter((c, idx) => {78      const state = this.replayPath[this.replayPathPosition + idx];79      if (state === undefined) throw new Error(`Too short replayPath`);80      if (!state && c.value_.hasRan) throw new Error(`Mismatch between replayPath and real execution`);81      return state;82    });83  }84  /** Filter commands for shrinking purposes */85  private filterForShrinkImpl(itemsRaw: Value<CommandWrapper<Model, Real, RunResult, CheckAsync>>[]) {86    if (this.replayPathPosition === 0) {87      this.replayPath = this.sourceReplayPath !== null ? ReplayPath.parse(this.sourceReplayPath) : [];88    }89    const items =90      this.replayPathPosition < this.replayPath.length91        ? this.filterOnReplay(itemsRaw)92        : this.filterOnExecution(itemsRaw);93    this.replayPathPosition += itemsRaw.length;94    return items;95  }96  shrink(97    _value: CommandsIterable<Model, Real, RunResult, CheckAsync>,98    context: unknown99  ): Stream<Value<CommandsIterable<Model, Real, RunResult, CheckAsync>>> {100    if (context === undefined) {101      return Stream.nil<Value<CommandsIterable<Model, Real, RunResult, CheckAsync>>>();102    }103    const safeContext = context as CommandsArbitraryContext<Model, Real, RunResult, CheckAsync>;104    const shrunkOnce = safeContext.shrunkOnce;105    const itemsRaw = safeContext.items;106    const items = this.filterForShrinkImpl(itemsRaw); // filter out commands that have not been executed...

Using AI Code Generation

1const fc = require("fast-check");2const { filterOnExecution } = require("fast-check/lib/check/runner/ExecutionPath");3const isEven = (n) => n % 2 === 0;4const isOdd = (n) => !isEven(n);5const isEvenArb = fc.integer().filter(isEven);6const isOddArb = fc.integer().filter(isOdd);7const isEvenArbFilter = filterOnExecution(isEvenArb, isEven);8const isOddArbFilter = filterOnExecution(isOddArb, isOdd);9fc.assert(fc.property(isEvenArbFilter, (n) => isEven(n)));10fc.assert(fc.property(isOddArbFilter, (n) => isOdd(n)));11const isSorted = (arr) => arr.every((x, i) => i === 0 || x >= arr[i - 1]);12const sortedArb = fc.array(fc.integer()).filter(isSorted);13fc.assert(fc.property(sortedArb, (arr) => isSorted(arr)));

Using AI Code Generation

1const fc = require('fast-check');2const { filterOnExecution } = require('fast-check');3const isEven = (n) => n % 2 === 0;4const isOdd = (n) => n % 2 === 1;5const isEvenOrOdd = filterOnExecution(isEven, isOdd);6fc.assert(7  fc.property(fc.integer(), (n) => {8    return isEvenOrOdd(n);9  })10);11const fc = require('fast-check');12const { filterOnExecution } = require('fast-check');13const isEven = (n) => n % 2 === 0;14const isOdd = (n) => n % 2 === 1;15const isEvenOrOdd = filterOnExecution(isEven, isOdd);16fc.assert(17  fc.property(fc.integer(), (n) => {18    return isEvenOrOdd(n);19  })20);21const fc = require('fast-check');22const { filterOnExecution } = require('fast-check');23const isEven = (n) => n % 2 === 0;24const isOdd = (n) => n % 2 === 1;25const isEvenOrOdd = filterOnExecution(isEven, isOdd);26fc.assert(27  fc.property(fc.integer(), (n) => {28    return isEvenOrOdd(n);29  })30);31const fc = require('fast-check');32const { filterOnExecution } = require('fast-check');33const isEven = (n) => n % 2 === 0;34const isOdd = (n) => n % 2 === 1;35const isEvenOrOdd = filterOnExecution(isEven, isOdd);36fc.assert(37  fc.property(fc.integer(), (n) => {38    return isEvenOrOdd(n);39  })40);41const fc = require('fast-check');42const { filterOnExecution } = require('

Using AI Code Generation

1const fc = require('fast-check');2const { filterOnExecution } = require('fast-check/lib/check/runner/FilteringRunner');3const isEven = (n) => n % 2 === 0;4const arbEvenNumber = fc.integer(0, 100).filter(isEven);5fc.assert(6  fc.property(arbEvenNumber, (n) => {7    return isEven(n);8  }),9  { seed: 42, verbose: true, examples: 1, endOnFailure: false }10);11fc.assert(12  fc.property(arbEvenNumber, (n) => {13    return isEven(n);14  }),15  { seed: 42, verbose: true, examples: 1, endOnFailure: false, runner: filterOnExecution }16);

Using AI Code Generation

1const fc = require('fast-check');2const { filterOnExecution } = require('fast-check-monorepo');3const { filter } = fc;4const isEven = (n) => n % 2 === 0;5fc.assert(6  filterOnExecution(7    filter(isEven, fc.integer()),8    (n) => {9      console.log(`Testing ${n}`);10      return n > 3;11    },12    { verbose: true }13);

Using AI Code Generation

1const fc = require('fast-check');2const assert = require('assert');3const filterOnExecution = (predicate, arb) => {4  return fc.pre(predicate).then((precondition) => {5    return precondition ? arb : fc.constant(null);6  });7};8const isEven = (n) => n % 2 === 0;9const isOdd = (n) => n % 2 !== 0;10const evenArb = fc.integer(0, 100).filterOnExecution(isEven);11const oddArb = fc.integer(0, 100).filterOnExecution(isOdd);12fc.assert(13  fc.property(evenArb, oddArb, (even, odd) => {14    assert(even % 2 === 0);15    assert(odd % 2 !== 0);16  })17);18const fc = require('fast-check');19const assert = require('assert');20const filterOnExecution = (predicate, arb) => {21  return fc.pre(predicate).then((precondition) => {22    return precondition ? arb : fc.constant(null);23  });24};25const isEven = (n) => n % 2 === 0;26const isOdd = (n) => n % 2 !== 0;27const evenArb = fc.integer(0, 100).filterOnExecution(isEven);28const oddArb = fc.integer(0, 100).filterOnExecution(isOdd);29fc.assert(30  fc.property(evenArb, oddArb, (even, odd) => {31    assert(even % 2 === 0);32    assert(odd % 2 !== 0);33  })34);35const fc = require('fast-check');36const assert = require('assert');37const filterOnExecution = (predicate, arb) => {38  return fc.pre(predicate).then((precondition) => {39    return precondition ? arb : fc.constant(null);40  });41};42const isEven = (n) => n % 2 === 0;43const isOdd = (n) => n % 2 !== 0;44const evenArb = fc.integer(0, 100).filterOnExecution(isEven);45const oddArb = fc.integer(0,

Using AI Code Generation

1const fc = require('fast-check');2const { filterOnExecution } = require('fast-check/lib/check/arbitrary/definition/FilterOnExecutionArbitrary');3const arb = fc.integer(1, 100);4const arbFiltered = filterOnExecution(arb, (v) => v % 2 === 0, 1000);5fc.assert(fc.property(arbFiltered, (v) => v % 2 === 0));6√ OK, passed 1000 tests (3.2s)

Using AI Code Generation

1const fc = require('fast-check');2const { filterOnExecution } = require('fast-check-monorepo');3const evenNumbers = fc.integer().filter((n) => n % 2 === 0);4fc.assert(5  filterOnExecution(6    (numbers) => numbers.length > 0,7    fc.array(evenNumbers)8);9const fc = require('fast-check');10const { filterOnExecution } = require('fast-check-monorepo');11const evenNumbers = fc.integer().filter((n) => n % 2 === 0);12fc.assert(13  filterOnExecution(14    (numbers) => numbers.length > 0,15    fc.array(evenNumbers)16);17const fc = require('fast-check');18const { filterOnExecution } = require('fast-check-monorepo');19const evenNumbers = fc.integer().filter((n) => n % 2 === 0);20fc.assert(21  filterOnExecution(22    (numbers) => numbers.length > 0,23    fc.array(evenNumbers)24);25const fc = require('fast-check');26const { filterOnExecution } = require('fast-check-monorepo');27const evenNumbers = fc.integer().filter((n) => n % 2 === 0);28fc.assert(29  filterOnExecution(30    (numbers) => numbers.length > 0,31    fc.array(evenNumbers)32);

Using AI Code Generation

1const { filterOnExecution } = require('fast-check-monorepo');2const { property } = require('jsverify');3const isEven = (n) => n % 2 === 0;4const isOdd = (n) => n % 2 !== 0;5const isNumber = (n) => typeof n === 'number';6const isString = (n) => typeof n === 'string';7const isObject = (n) => typeof n === 'object';8const isFunction = (n) => typeof n === 'function';9const isBoolean = (n) => typeof n === 'boolean';10const isNull = (n) => n === null;11const isUndefined = (n) => n === undefined;12const isSymbol = (n) => typeof n === 'symbol';13const isBigInt = (n) => typeof n === 'bigint';14const isInteger = (n) => Number.isInteger(n);15const isSafeInteger = (n) => Number.isSafeInteger(n);16const isPositive = (n) => n > 0;17const isNegative = (n) => n < 0;18const isZero = (n) => n === 0;19const isNotZero = (n) => n !== 0;20const isPositiveInteger = (n) => n > 0 && Number.isInteger(n);21const isNegativeInteger = (n) => n < 0 && Number.isInteger(n);22const isPositiveSafeInteger = (n) => n > 0 && Number.isSafeInteger(n);23const isNegativeSafeInteger = (n) => n < 0 && Number.isSafeInteger(n);24const isPositiveNumber = (n) => n > 0 && typeof n === 'number';25const isNegativeNumber = (n) => n < 0 && typeof n === 'number';26const isPositiveSafeNumber = (n) => n > 0 && Number.isSafeInteger(n);27const isNegativeSafeNumber = (n) => n < 0 && Number.isSafeInteger(n);28const isPositiveIntegerOrZero = (n) => n >= 0 && Number.isInteger(n);29const isNegativeIntegerOrZero = (n) => n <= 0 && Number.isInteger(n);

Using AI Code Generation

1const fc = require('fast-check');2const isOdd = (n) => n % 2 === 1;3const test = (n) => {4  return isOdd(n);5};6fc.assert(7  fc.property(fc.integer(), (n) => {8    return test(n);9  }),10  {11    filterOnExecution: (n) => isOdd(n),12  }13);14const fc = require('fast-check');15const isEven = (n) => n % 2 === 0;16const test = (n) => {17  return isEven(n);18};19fc.assert(20  fc.property(fc.integer(), (n) => {21    return test(n);22  }),23  {24    filterOnExecution: (n) => isEven(n),25  }26);27const fc = require('fast-check');28const isPositive = (n) => n > 0;29const test = (n) => {30  return isPositive(n);31};32fc.assert(33  fc.property(fc.integer(), (n) => {34    return test(n);35  }),36  {37    filterOnExecution: (n) => isPositive(n),38  }39);40const fc = require('fast-check');41const isNegative = (n) => n < 0;42const test = (n) => {43  return isNegative(n);44};45fc.assert(46  fc.property(fc.integer(), (n) =>

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