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How to use maxGeneratedCommands method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

CommandsArbitrary.ts

Source:CommandsArbitrary.ts

1import { Arbitrary } from '../../check/arbitrary/definition/Arbitrary';2import { Value } from '../../check/arbitrary/definition/Value';3import { ICommand } from '../../check/model/command/ICommand';4import { CommandsIterable } from '../../check/model/commands/CommandsIterable';5import { CommandWrapper } from '../../check/model/commands/CommandWrapper';6import { ReplayPath } from '../../check/model/ReplayPath';7import { Random } from '../../random/generator/Random';8import { makeLazy } from '../../stream/LazyIterableIterator';9import { Stream } from '../../stream/Stream';10import { oneof } from '../oneof';11import { restrictedIntegerArbitraryBuilder } from './builders/RestrictedIntegerArbitraryBuilder';12// eslint-disable-next-line @typescript-eslint/ban-types13type CommandsArbitraryContext<Model extends object, Real, RunResult, CheckAsync extends boolean> = {14  shrunkOnce: boolean;15  items: Value<CommandWrapper<Model, Real, RunResult, CheckAsync>>[];16};17/** @internal */18// eslint-disable-next-line @typescript-eslint/ban-types19export class CommandsArbitrary<Model extends object, Real, RunResult, CheckAsync extends boolean> extends Arbitrary<20  CommandsIterable<Model, Real, RunResult, CheckAsync>21> {22  readonly oneCommandArb: Arbitrary<CommandWrapper<Model, Real, RunResult, CheckAsync>>;23  readonly lengthArb: Arbitrary<number>;24  private replayPath: boolean[];25  private replayPathPosition: number;26  constructor(27    commandArbs: Arbitrary<ICommand<Model, Real, RunResult, CheckAsync>>[],28    maxGeneratedCommands: number,29    maxCommands: number,30    readonly sourceReplayPath: string | null,31    readonly disableReplayLog: boolean32  ) {33    super();34    this.oneCommandArb = oneof(...commandArbs).map((c) => new CommandWrapper(c));35    this.lengthArb = restrictedIntegerArbitraryBuilder(0, maxGeneratedCommands, maxCommands);36    this.replayPath = []; // updated at first shrink37    this.replayPathPosition = 0;38  }39  private metadataForReplay() {40    return this.disableReplayLog ? '' : `replayPath=${JSON.stringify(ReplayPath.stringify(this.replayPath))}`;41  }42  private buildValueFor(items: Value<CommandWrapper<Model, Real, RunResult, CheckAsync>>[], shrunkOnce: boolean) {43    const commands = items.map((item) => item.value_);44    const context: CommandsArbitraryContext<Model, Real, RunResult, CheckAsync> = { shrunkOnce, items };45    return new Value(new CommandsIterable(commands, () => this.metadataForReplay()), context);46  }47  generate(mrng: Random): Value<CommandsIterable<Model, Real, RunResult, CheckAsync>> {48    // For the moment, we fully ignore the bias on commands...49    const size = this.lengthArb.generate(mrng, undefined);50    const sizeValue = size.value;51    const items: Value<CommandWrapper<Model, Real, RunResult, CheckAsync>>[] = Array(sizeValue);52    for (let idx = 0; idx !== sizeValue; ++idx) {53      // ...even when generating the commands themselves54      const item = this.oneCommandArb.generate(mrng, undefined);55      items[idx] = item;56    }57    this.replayPathPosition = 0; // reset replay58    return this.buildValueFor(items, false);59  }60  canShrinkWithoutContext(value: unknown): value is CommandsIterable<Model, Real, RunResult, CheckAsync> {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 executed107    if (items.length === 0) {108      return Stream.nil<Value<CommandsIterable<Model, Real, RunResult, CheckAsync>>>();109    }110    // The shrinker of commands have to keep the last item111    // because it is the one causing the failure112    const rootShrink: Stream<Value<CommandWrapper<Model, Real, RunResult, CheckAsync>>[]> = shrunkOnce113      ? Stream.nil()114      : new Stream([[]][Symbol.iterator]());115    // If the resulting shrinkable was simply built by joining the streams one by one,116    //  > stream[n] = stream[n-1].join(nextFor[n]) -- with nextFor[-1] = rootShrink117    // we would run into stack overflows when calling next to get back the 1st element (for huge n).118    // Indeed calling stream[n].next() would require to call stream[n-1].next() and so on...119    // Instead of that we define stream[n] = rootShrink.join(nextFor[0], ..., nextFor[n])120    // So that calling next on stream[n] will not have to run too many recursions121    const nextShrinks: IterableIterator<Value<CommandWrapper<Model, Real, RunResult, CheckAsync>>[]>[] = [];122    // keep fixed number commands at the beginning123    // remove items in remaining part except the last one124    for (let numToKeep = 0; numToKeep !== items.length; ++numToKeep) {125      nextShrinks.push(126        makeLazy(() => {127          const fixedStart = items.slice(0, numToKeep);128          return this.lengthArb129            .shrink(items.length - 1 - numToKeep, undefined)130            .map((l) => fixedStart.concat(items.slice(items.length - (l.value + 1))));131        })132      );133    }134    // shrink one by one135    for (let itemAt = 0; itemAt !== items.length; ++itemAt) {136      nextShrinks.push(137        makeLazy(() =>138          this.oneCommandArb139            .shrink(items[itemAt].value_, items[itemAt].context)140            .map((v) => items.slice(0, itemAt).concat([v], items.slice(itemAt + 1)))141        )142      );143    }144    return rootShrink.join(...nextShrinks).map((shrinkables) => {145      return this.buildValueFor(146        shrinkables.map((c) => new Value(c.value_.clone(), c.context)),147        true148      );149    });150  }...

commands.ts

Source:commands.ts

1import { Arbitrary } from '../check/arbitrary/definition/Arbitrary';2import { AsyncCommand } from '../check/model/command/AsyncCommand';3import { Command } from '../check/model/command/Command';4import { ICommand } from '../check/model/command/ICommand';5import { CommandsContraints } from '../check/model/commands/CommandsContraints';6import { CommandsArbitrary } from './_internals/CommandsArbitrary';7import {8  maxGeneratedLengthFromSizeForArbitrary,9  MaxLengthUpperBound,10} from './_internals/helpers/MaxLengthFromMinLength';11/**12 * For arrays of {@link AsyncCommand} to be executed by {@link asyncModelRun}13 *14 * This implementation comes with a shrinker adapted for commands.15 * It should shrink more efficiently than {@link array} for {@link AsyncCommand} arrays.16 *17 * @param commandArbs - Arbitraries responsible to build commands18 * @param constraints - Constraints to be applied when generating the commands (since 1.11.0)19 *20 * @remarks Since 1.5.021 * @public22 */23function commands<Model extends object, Real, CheckAsync extends boolean>(24  commandArbs: Arbitrary<AsyncCommand<Model, Real, CheckAsync>>[],25  constraints?: CommandsContraints26): Arbitrary<Iterable<AsyncCommand<Model, Real, CheckAsync>>>;27/**28 * For arrays of {@link Command} to be executed by {@link modelRun}29 *30 * This implementation comes with a shrinker adapted for commands.31 * It should shrink more efficiently than {@link array} for {@link Command} arrays.32 *33 * @param commandArbs - Arbitraries responsible to build commands34 * @param constraints - Constraints to be applied when generating the commands (since 1.11.0)35 *36 * @remarks Since 1.5.037 * @public38 */39function commands<Model extends object, Real>(40  commandArbs: Arbitrary<Command<Model, Real>>[],41  constraints?: CommandsContraints42): Arbitrary<Iterable<Command<Model, Real>>>;43function commands<Model extends object, Real, RunResult, CheckAsync extends boolean>(44  commandArbs: Arbitrary<ICommand<Model, Real, RunResult, CheckAsync>>[],45  constraints: CommandsContraints = {}46): Arbitrary<Iterable<ICommand<Model, Real, RunResult, CheckAsync>>> {47  const { size, maxCommands = MaxLengthUpperBound, disableReplayLog = false, replayPath = null } = constraints;48  const specifiedMaxCommands = constraints.maxCommands !== undefined;49  const maxGeneratedCommands = maxGeneratedLengthFromSizeForArbitrary(size, 0, maxCommands, specifiedMaxCommands);50  return new CommandsArbitrary(commandArbs, maxGeneratedCommands, maxCommands, replayPath, disableReplayLog);51}...

Using AI Code Generation

1import * as fc from 'fast-check';2import { maxGeneratedCommands } from 'fast-check-monorepo';3const arb = fc.oneof(fc.constant(1), fc.constant(2));4console.log(maxGeneratedCommands(arb, 100));5[tsl] ERROR in /Users/abraham/development/fast-check-monorepo/test3.js(4,19)6If you are using the .js file, you need to use the following syntax to import the method:7const { maxGeneratedCommands } = require('fast-check-monorepo');8If you are using the .d.ts file, you need to use the following syntax to import the method:9import { maxGeneratedCommands } from 'fast-check-monorepo';

Using AI Code Generation

1const { maxGeneratedCommands } = require('fast-check-monorepo');2console.log(maxGeneratedCommands());3const { maxGeneratedCommands } = require('fast-check-monorepo');4console.log(maxGeneratedCommands());5const { maxGeneratedCommands } = require('fast-check-monorepo');6console.log(maxGeneratedCommands());7const { maxGeneratedCommands } = require('fast-check-monorepo');8console.log(maxGeneratedCommands());9const { maxGeneratedCommands } = require('fast-check-monorepo');10console.log(maxGeneratedCommands());11const { maxGeneratedCommands } = require('fast-check-monorepo');12console.log(maxGeneratedCommands());13const { maxGeneratedCommands } = require('fast-check-monorepo');14console.log(maxGeneratedCommands());15const { maxGeneratedCommands } = require('fast-check-monorepo');16console.log(maxGeneratedCommands());17const { maxGeneratedCommands } = require('fast-check-monorepo');18console.log(maxGenerated

Using AI Code Generation

1import * as fc from "fast-check";2const maxGeneratedCommands = fc.maxGeneratedCommands(5, fc.integer());3console.log(maxGeneratedCommands);4import * as fc from "fast-check";5const maxRunTime = fc.maxRunTime(5, fc.integer());6console.log(maxRunTime);7import * as fc from "fast-check";8const maxSkips = fc.maxSkips(5, fc.integer());9console.log(maxSkips);10import * as fc from "fast-check";11const maxShrinks = fc.maxShrinks(5, fc.integer());12console.log(maxShrinks);13import * as fc from "fast-check";14const maxTries = fc.maxTries(5, fc.integer());15console.log(maxTries);16import * as fc from "fast-check";17const maxTriesPerProperty = fc.maxTriesPerProperty(5, fc.integer());18console.log(maxTriesPerProperty);19import * as fc from "fast-check";20const maxTriesWithoutSuccess = fc.maxTriesWithoutSuccess(5, fc.integer());21console.log(maxTriesWithoutSuccess);22import * as fc from "fast-check";23const maxTriesWithoutSuccessPerProperty = fc.maxTriesWithoutSuccessPerProperty(5, fc.integer());24console.log(maxTriesWithoutSuccessPerProperty);25import * as fc from "fast-check";26const maxTriesWithoutSuccessPerProperty1 = fc.maxTriesWithoutSuccessPerProperty(5, fc.integer());27console.log(maxTriesWithoutSuccessPerProperty

Using AI Code Generation

1const fc = require('fast-check');2const { maxGeneratedCommands } = require('fast-check/lib/check/runner/Runner.js');3const { instance: { _settings: { seed } } } = fc;4const { instance: { _settings: { numRuns } } } = fc;5const { instance: { _settings: { numShrinksPerRun } } } = fc;6const { instance: { _settings: { path } } } = fc;7const { instance: { _settings: { endOnFailure } } } = fc;8const { instance: { _settings: { verbose } } } = fc;9const { instance: { _settings: { interruptAfterTimeLimit } } } = fc;10const { instance: { _settings: { interruptAfterTimeLimitMs } } } = fc;11const { instance: { _settings: { interruptAfterNumberOfTests } } } = fc;12const { instance: { _settings: { interruptAfterNumberOfTestsThreshold } } } = fc;13const { instance: { _settings: { interruptAfterNumberOfShrinks } } } = fc;14const { instance: { _settings: { interruptAfterNumberOfShrinksThreshold } } } = fc;15const { instance: { _settings: { interruptAfterNumberOfDiscardedTests } } } = fc;16const { instance: { _settings: { interruptAfterNumberOfDiscardedTestsThreshold } } } = fc;17const { instance: { _settings: { interruptAfterNumberOfSkippedTests } } } = fc;18const { instance: { _settings: { interruptAfterNumberOfSkippedTestsThreshold } } } = fc;19const { instance: { _settings: { interruptAfterNumberOfReports } } } = fc;20const { instance: { _settings: { interruptAfterNumberOfReportsThreshold } } } = fc;21const { instance: { _settings: { interruptAfterNumberOfReportedTests } } } = fc;22const { instance: { _settings: { interruptAfterNumberOfReportedTestsThreshold } } } = fc;23const { instance: { _settings: { interruptAfterNumberOfReportedShrinks } } } = fc;24const { instance: { _settings: { interruptAfterNumberOfReportedShrinksThreshold } } } = fc;25const { instance: { _settings: { interruptAfterNumberOfReportedDiscardedTests } } } =

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