How to use isSafeContext method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

Arbitrary.ts

Source:Arbitrary.ts

...188    // TODO Need unchainer189    return false;190  }191  shrink(value: U, context?: unknown): Stream<Value<U>> {192    if (this.isSafeContext(context)) {193      return (194        !context.stoppedForOriginal195          ? this.arb196              .shrink(context.originalValue, context.originalContext)197              .map((v) => this.valueChainer(v, context.clonedMrng.clone(), context.clonedMrng, context.originalBias))198          : Stream.nil<Value<U>>()199      ).join(200        context.chainedArbitrary.shrink(value, context.chainedContext).map((dst) => {201          // TODO - Move back to object spreading as soon as we bump support from es2017 to es2018+202          const newContext: ChainArbitraryContext<T, U> = safeObjectAssign(safeObjectAssign({}, context), {203            chainedContext: dst.context,204            stoppedForOriginal: true,205          });206          return new Value(dst.value_, newContext);207        })208      );209    }210    // TODO Need unchainer211    return Stream.nil();212  }213  private valueChainer(214    v: Value<T>,215    generateMrng: Random,216    clonedMrng: Random,217    biasFactor: number | undefined218  ): Value<U> {219    const chainedArbitrary = this.chainer(v.value_);220    const dst = chainedArbitrary.generate(generateMrng, biasFactor);221    const context: ChainArbitraryContext<T, U> = {222      originalBias: biasFactor,223      originalValue: v.value_,224      originalContext: v.context,225      stoppedForOriginal: false,226      chainedArbitrary,227      chainedContext: dst.context,228      clonedMrng,229    };230    return new Value(dst.value_, context);231  }232  private isSafeContext(context: unknown): context is ChainArbitraryContext<T, U> {233    return (234      context != null &&235      typeof context === 'object' &&236      'originalBias' in (context as any) &&237      'originalValue' in (context as any) &&238      'originalContext' in (context as any) &&239      'stoppedForOriginal' in (context as any) &&240      'chainedArbitrary' in (context as any) &&241      'chainedContext' in (context as any) &&242      'clonedMrng' in (context as any)243    );244  }245}246/** @internal */247type MapArbitraryContext<T> = {248  originalValue: T;249  originalContext: unknown;250};251/** @internal */252class MapArbitrary<T, U> extends Arbitrary<U> {253  readonly bindValueMapper: (v: Value<T>) => Value<U>;254  constructor(readonly arb: Arbitrary<T>, readonly mapper: (t: T) => U, readonly unmapper?: (possiblyU: unknown) => T) {255    super();256    this.bindValueMapper = (v: Value<T>): Value<U> => this.valueMapper(v);257  }258  generate(mrng: Random, biasFactor: number | undefined): Value<U> {259    const g = this.arb.generate(mrng, biasFactor);260    return this.valueMapper(g);261  }262  canShrinkWithoutContext(value: unknown): value is U {263    if (this.unmapper !== undefined) {264      try {265        const unmapped = this.unmapper(value);266        return this.arb.canShrinkWithoutContext(unmapped);267      } catch (_err) {268        return false;269      }270    }271    return false;272  }273  shrink(value: U, context?: unknown): Stream<Value<U>> {274    if (this.isSafeContext(context)) {275      return this.arb.shrink(context.originalValue, context.originalContext).map(this.bindValueMapper);276    }277    if (this.unmapper !== undefined) {278      const unmapped = this.unmapper(value);279      // As `shrink` should never be called without a valid context280      // except if `canShrinkWithoutContext` tells that the value was compatible with a shrink without any context281      // we can safely consider `this.arb.canShrinkWithoutContext(unmapped)` to be true at that point.282      return this.arb.shrink(unmapped, undefined).map(this.bindValueMapper);283    }284    return Stream.nil();285  }286  private mapperWithCloneIfNeeded(v: Value<T>): [U, T] {287    const sourceValue = v.value;288    const mappedValue = this.mapper(sourceValue);289    if (290      v.hasToBeCloned &&291      ((typeof mappedValue === 'object' && mappedValue !== null) || typeof mappedValue === 'function') &&292      Object.isExtensible(mappedValue) &&293      !hasCloneMethod(mappedValue)294    ) {295      // WARNING: In case the mapped value is not extensible it will not be extended296      Object.defineProperty(mappedValue, cloneMethod, { get: () => () => this.mapperWithCloneIfNeeded(v)[0] });297    }298    return [mappedValue, sourceValue];299  }300  private valueMapper(v: Value<T>): Value<U> {301    const [mappedValue, sourceValue] = this.mapperWithCloneIfNeeded(v);302    const context: MapArbitraryContext<T> = { originalValue: sourceValue, originalContext: v.context };303    return new Value(mappedValue, context);304  }305  private isSafeContext(context: unknown): context is MapArbitraryContext<T> {306    return (307      context != null &&308      typeof context === 'object' &&309      'originalValue' in (context as any) &&310      'originalContext' in (context as any)311    );312  }313}314/** @internal */315class FilterArbitrary<T, U extends T> extends Arbitrary<U> {316  readonly bindRefinementOnValue: (v: Value<T>) => v is Value<U>;317  constructor(readonly arb: Arbitrary<T>, readonly refinement: (t: T) => t is U) {318    super();319    this.bindRefinementOnValue = (v: Value<T>): v is Value<U> => this.refinementOnValue(v);...

tenderDepositHooks.ts

Source:tenderDepositHooks.ts

1import { useCall, useContractFunction, useEthers } from "@usedapp/core";2import { contracts, addresses } from "@tender/contracts/src/index";3import { BigNumber, constants } from "ethers";4import { stakers } from "@tender/shared/src/index";5import { getDeadline } from "./tenderSwapHooks";6import { hasPermit } from "./context";7import { signERC2612PermitPatched } from "./signERC2612PermitPatch";8import { ProtocolName } from "@tender/shared/src/data/stakers";9export const useDeposit = (protocolName: ProtocolName) => {10  const symbol = stakers[protocolName].symbol;11  const { state: depositTx, send: depositWithApprove } = useContractFunction(12    contracts[protocolName].tenderizer,13    "deposit",14    {15      transactionName: `Deposit ${symbol}`,16    }17  );18  const { state: depositWithPermitTx, send: depositWithPermit } = useContractFunction(19    contracts[protocolName].tenderizer,20    "depositWithPermit",21    {22      transactionName: `Deposit ${symbol}`,23    }24  );25  const { library, account } = useEthers();26  const deposit = async (amount: BigNumber, isSafeContext: boolean) => {27    if (!hasPermit(protocolName) || isSafeContext) {28      // TODO: We expect token to be already approved here but don't actually check such invariant29      await depositWithApprove(amount);30    } else {31      const permit = await signERC2612PermitPatched(32        library?.getSigner(),33        addresses[protocolName].token,34        account || "",35        addresses[protocolName].tenderizer,36        amount?.toString(),37        getDeadline()38      );39      await depositWithPermit(amount, permit.deadline, permit.v, permit.r, permit.s);40    }41  };42  return { deposit, tx: hasPermit(protocolName) ? depositWithPermitTx : depositTx };43};44export const useCalcDepositOut = (protocolName: ProtocolName, amount: string) => {45  const result = useCall(46    protocolName && {47      contract: contracts[protocolName].tenderizer,48      method: "calcDepositOut",49      args: [amount],50    }51  );52  return result?.value?.[0] ?? constants.Zero;...

WithShrinkFromOtherArbitrary.ts

Source:WithShrinkFromOtherArbitrary.ts

2import { Value } from '../../check/arbitrary/definition/Value';3import { Random } from '../../random/generator/Random';4import { Stream } from '../../stream/Stream';5/** @internal */6function isSafeContext(context: unknown): context is { generatorContext: unknown } | { shrinkerContext: unknown } {7  return context !== undefined;8}9/** @internal */10function toGeneratorValue<T>(value: Value<T>): Value<T> {11  if (value.hasToBeCloned) {12    return new Value(value.value_, { generatorContext: value.context }, () => value.value);13  }14  return new Value(value.value_, { generatorContext: value.context });15}16/** @internal */17function toShrinkerValue<T>(value: Value<T>): Value<T> {18  if (value.hasToBeCloned) {19    return new Value(value.value_, { shrinkerContext: value.context }, () => value.value);20  }21  return new Value(value.value_, { shrinkerContext: value.context });22}23/** @internal */24export class WithShrinkFromOtherArbitrary<T> extends Arbitrary<T> {25  constructor(private readonly generatorArbitrary: Arbitrary<T>, private readonly shrinkerArbitrary: Arbitrary<T>) {26    super();27  }28  generate(mrng: Random, biasFactor: number | undefined): Value<T> {29    return toGeneratorValue(this.generatorArbitrary.generate(mrng, biasFactor));30  }31  canShrinkWithoutContext(value: unknown): value is T {32    return this.shrinkerArbitrary.canShrinkWithoutContext(value);33  }34  shrink(value: T, context: unknown): Stream<Value<T>> {35    if (!isSafeContext(context)) {36      return this.shrinkerArbitrary.shrink(value, undefined).map(toShrinkerValue);37    }38    if ('generatorContext' in context) {39      return this.generatorArbitrary.shrink(value, context.generatorContext).map(toGeneratorValue);40    }41    return this.shrinkerArbitrary.shrink(value, context.shrinkerContext).map(toShrinkerValue);42  }...

Using AI Code Generation

1const { isSafeContext } = require('fast-check');2const context = {};3console.log(isSafeContext(context));4const { isSafeContext } = require('fast-check');5const context = {};6console.log(isSafeContext(context));7const { isSafeContext } = require('fast-check');8const context = {};9console.log(isSafeContext(context));10const { isSafeContext } = require('fast-check');11const context = {};12console.log(isSafeContext(context));13const { isSafeContext } = require('fast-check');14const context = {};15console.log(isSafeContext(context));16const { isSafeContext } = require('fast-check');17const context = {};18console.log(isSafeContext(context));19const { isSafeContext } = require('fast-check');20const context = {};21console.log(isSafeContext(context));22const { isSafeContext } = require('fast-check');23const context = {};24console.log(isSafeContext(context));25const { isSafeContext } = require('fast-check');26const context = {};27console.log(isSafeContext(context));28const { isSafeContext } = require('fast-check');29const context = {};30console.log(isSafeContext(context));31const { isSafeContext } = require('fast-check');32const context = {};33console.log(isSafeContext(context));34const { is

Using AI Code Generation

1import { isSafeContext } from "fast-check";2const safeContext = isSafeContext();3console.log(safeContext);4import { isSafeContext } from "fast-check";5const safeContext = isSafeContext();6console.log(safeContext);

Using AI Code Generation

1const { check, property } = require("fast-check");2const { isSafeContext } = require("fast-check/lib/check/model/Runner");3const checkContext = (t, context) => {4  const safeContext = isSafeContext(context);5  console.log("safeContext", safeContext);6  t.is(safeContext, true);7};8const test1 = () => {9  check(10    property(11      (a, b) => {12        checkContext(this, this);13        return a + b > 0;14      }15  );16};17test1();18const test2 = () => {19  check(20    property(21      (a, b) => {22        checkContext(this, this);23        return a + b > 0;24      }25  );26};27test2();28const test3 = () => {29  check(30    property(31      (a, b) => {32        checkContext(this, this);33        return a + b > 0;34      }35  );36};37test3();38const test4 = () => {39  check(40    property(41      (a, b) => {42        checkContext(this, this);

Using AI Code Generation

1const isSafeContext = require('fast-check').isSafeContext;2const myContext = {3    console: {4    }5};6const isSafe = isSafeContext(myContext);7console.log(isSafe);8const isSafeContext = require('fast-check/lib/check/runner/Runner').isSafeContext;9const myContext = {10    console: {11    }12};13const isSafe = isSafeContext(myContext);14console.log(isSafe);15I've just released a new version (v1.11.1) containing the fix for this issue. Thanks again for your help!16I've just released a new version (v1.11.1) containing the fix for this issue. Thanks again for your help!17I've just released a new version (v1.11.2) containing the fix for this issue. Thanks again for your help!18I've just released a new version (v1.11.2) containing the fix for this issue. Thanks again for your help!

Using AI Code Generation

1import { isSafeContext } from 'fast-check';2const context = { a: 1 };3const context = { a: 1, b: () => {} };4const context = { a: 1, b: Symbol('b') };5const context = { a: 1, b: [1, 2, 3] };6const context = { a: 1, b: { c: () => {} } };7const context = { a: 1, b: { c: Symbol('c') } };8const context = { a: 1, b: { c: [1, 2, 3] } };9const context = { a: 1, b: { c: { d: () => {} } } };10const context = { a: 1, b: { c: { d: Symbol('d') } } };11const context = { a: 1, b: { c: { d: [1, 2, 3] } } };12const context = { a: 1, b: { c: { d: { e: () => {} } } } };13const context = { a: 1, b: { c: { d: { e: Symbol('e') } } } };14const context = { a: 1, b: { c: { d: { e: [1, 2, 3] } } } };15const context = { a: 1, b: { c: { d: { e: { f: () => {} } } } } };16const context = { a: 1, b: { c: { d: { e: { f: Symbol('f') } } } } };17isSafeContext(context

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