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How to use serializedChanges method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

contentModel.test.ts

Source:contentModel.test.ts

1import { Update } from "@codemirror/collab";2import { Text } from "@codemirror/text";3import { ChangeSet } from "@codemirror/state";4import { ClientChanges } from "../src/types/CodeMirror";5import DocumentAuthority from "../src/models/contentModel";6import * as client from "socket.io-client";7import { io } from "../server";8import socket from "../src/controller/socket";9import { Server, Socket } from "socket.io";10import getBodyData from "../src/controller/github";11// TESTS12describe("Initializing new document authority", () => {13    const doc = new DocumentAuthority(undefined);14    test("Blank document", () => {15        console.log(doc.doc);16        expect(doc.doc).toEqual(Text.of([""]));17    });18    test("Empty update history", () => {19        expect(doc.getUpdates().length).toEqual(0);20    });21});22describe("Initialize document authority with existing data", () => {23    const { doc, updates } = mockDocumentAuthority();24    test("Document has been seeded by constructor", () => {25        expect(doc.doc).toEqual(Text.of(["sdf"]));26    });27    test("Updates seeded by constructor", () => {28        expect(doc.getUpdates()).toBe(updates);29    });30});31describe("Passing client changes to Document Authority", () => {32    let doc: DocumentAuthority;33    let socket: client.Socket;34    beforeAll(() => {35        const d: { doc: DocumentAuthority; updates: Update[] } =36            mockDocumentAuthority();37        doc = d.doc;38        mockSocketServer();39        socket = mockClient();40    });41    afterAll(() => {42        io.close();43        socket.close();44    });45    test("Insert 'j' at end of the line", () => {46        let clientChanges = {47            version: doc.getUpdates().length,48            updates: [49                {50                    updateJSON: [3, [0, "j"]],51                    clientID: "ci9k21",52                },53            ],54        };55        doc.receiveUpdates(clientChanges, io, "0000");56        expect(doc.doc).toEqual(Text.of(["sdfj"]));57        expect(doc.getUpdates().length).toBe(4);58    });59    test("Delete character at index 3 end of the line", () => {60        let clientChanges = {61            version: doc.getUpdates().length,62            updates: [63                {64                    updateJSON: [3, [1]],65                    clientID: "ci9k21",66                },67            ],68        };69        doc.receiveUpdates(clientChanges, io, "0000");70        expect(doc.doc).toEqual(Text.of(["sdf"]));71        expect(doc.getUpdates().length).toBe(5);72    });73    test("Delete three characters at index 2 and insert 'hello'", () => {74        let clientChanges = {75            version: doc.getUpdates().length,76            updates: [77                {78                    updateJSON: [[3, "hello"]],79                    clientID: "ci9k21",80                },81            ],82        };83        doc.receiveUpdates(clientChanges, io, "0000");84        expect(doc.doc).toEqual(Text.of(["hello"]));85        expect(doc.getUpdates().length).toBe(6);86    });87    test("Split to new line at index 3", () => {88        let clientChanges = {89            version: doc.getUpdates().length,90            updates: [91                {92                    updateJSON: [3, [0, "", ""], 2],93                    clientID: "ci9k21",94                },95            ],96        };97        doc.receiveUpdates(clientChanges, io, "0000");98        expect(doc.doc).toEqual(Text.of(["hel", "lo"]));99        expect(doc.getUpdates().length).toBe(7);100    });101});102// HELPERS103// mocks a document with a starting value and update history104function mockDocumentAuthority(105    mockument: string[] = ["sdf"],106    serializedChanges: any = [[[0, "s"]], [1, [0, "d"]], [2, [0, "f"]]]107) {108    const deserializedChanges: ChangeSet[] = serializedChanges.map(109        (u: Array<number | string>) => {110            return ChangeSet.fromJSON(u);111        }112    );113    const updates: Update[] = [];114    deserializedChanges.forEach((u) => {115        updates.push({ changes: u, clientID: "ci9k21" });116    });117    return {118        doc: new DocumentAuthority(mockument, updates),119        updates,120        mockument,121        serializedChanges,122    };123}124function mockSocketServer() {125    socket(io);126}127function mockClient() {128    const socket = client.io("http://localhost:8080/");129    return socket;...

ReplayPath.ts

Source:ReplayPath.ts

1/** @internal */2interface Count {3  value: boolean;4  count: number;5}6/** @internal */7export class ReplayPath {8  /** Parse a serialized replayPath */9  static parse(replayPathStr: string): boolean[] {10    const [serializedCount, serializedChanges] = replayPathStr.split(':');11    const counts = this.parseCounts(serializedCount);12    const changes = this.parseChanges(serializedChanges);13    return this.parseOccurences(counts, changes);14  }15  /** Stringify a replayPath */16  static stringify(replayPath: boolean[]): string {17    const occurences = this.countOccurences(replayPath);18    const serializedCount = this.stringifyCounts(occurences);19    const serializedChanges = this.stringifyChanges(occurences);20    return `${serializedCount}:${serializedChanges}`;21  }22  /** Number to Base64 value */23  private static intToB64(n: number): string {24    if (n < 26) return String.fromCharCode(n + 65); // A-Z25    if (n < 52) return String.fromCharCode(n + 97 - 26); // a-z26    if (n < 62) return String.fromCharCode(n + 48 - 52); // 0-927    return String.fromCharCode(n === 62 ? 43 : 47); // +/28  }29  /** Base64 value to number */30  private static b64ToInt(c: string): number {31    if (c >= 'a' /*\x61*/) return c.charCodeAt(0) - 97 + 26;32    if (c >= 'A' /*\x41*/) return c.charCodeAt(0) - 65;33    if (c >= '0' /*\x30*/) return c.charCodeAt(0) - 48 + 52;34    return c === '+' ? 62 : 63; // \x2b or \x2f35  }36  /**37   * Divide an incoming replayPath into an array of {value, count}38   * with count is the number of consecutive occurences of value (with a max set to 64)39   *40   * Above 64, another {value, count} is created41   */42  private static countOccurences(replayPath: boolean[]): { value: boolean; count: number }[] {43    return replayPath.reduce((counts: Count[], cur: boolean) => {44      if (counts.length === 0 || counts[counts.length - 1].count === 64 || counts[counts.length - 1].value !== cur)45        counts.push({ value: cur, count: 1 });46      else counts[counts.length - 1].count += 1;47      return counts;48    }, []);49  }50  /**51   * Serialize an array of {value, count} back to its replayPath52   */53  private static parseOccurences(counts: number[], changes: boolean[]): boolean[] {54    const replayPath: boolean[] = [];55    for (let idx = 0; idx !== counts.length; ++idx) {56      const count = counts[idx];57      const value = changes[idx];58      for (let num = 0; num !== count; ++num) replayPath.push(value);59    }60    return replayPath;61  }62  /**63   * Stringify the switch from true to false of occurences64   *65   * {value: 0}, {value: 1}, {value: 1}, {value: 0}66   * will be stringified as: 6 = (1 * 0) + (2 * 1) + (4 * 1) + (8 * 0)67   *68   * {value: 0}, {value: 1}, {value: 1}, {value: 0}, {value: 1}, {value: 0}, {value: 1}, {value: 0}69   * will be stringified as: 22, 1 [only 6 values encoded in one number]70   */71  private static stringifyChanges(occurences: { value: boolean; count: number }[]) {72    let serializedChanges = '';73    for (let idx = 0; idx < occurences.length; idx += 6) {74      const changesInt = occurences75        .slice(idx, idx + 6)76        .reduceRight((prev: number, cur: Count) => prev * 2 + (cur.value ? 1 : 0), 0);77      serializedChanges += this.intToB64(changesInt);78    }79    return serializedChanges;80  }81  /**82   * Parse switch of value83   */84  private static parseChanges(serializedChanges: string): boolean[] {85    const changesInt = serializedChanges.split('').map((c) => this.b64ToInt(c));86    const changes: boolean[] = [];87    for (let idx = 0; idx !== changesInt.length; ++idx) {88      let current = changesInt[idx];89      for (let n = 0; n !== 6; ++n, current >>= 1) {90        changes.push(current % 2 === 1);91      }92    }93    return changes;94  }95  /**96   * Stringify counts of occurences97   */98  private static stringifyCounts(occurences: { value: boolean; count: number }[]) {99    return occurences.map(({ count }) => this.intToB64(count - 1)).join('');100  }101  /**102   * Parse counts103   */104  private static parseCounts(serializedCount: string): number[] {105    return serializedCount.split('').map((c) => this.b64ToInt(c) + 1);106  }...

modelHandler.ts

Source:modelHandler.ts

...32//     return { model: mapToModel(data), changes: serialized, oldProps: {} };33//   }34//   // async function updateModel(model, original?: T): Promise<Update<T>> {35//   //   original = original || getModel(model.id, M);36//   //   const changes = serializedChanges(model, original);37//   //   const oldProps = serializedChanges(original, model);38//   //   const { data } = await axios.put(baseUrl, changes);39//   //   Object.assign(original, data);40//   //   initModel(original, true);41//   //   return { model: original, changes, oldProps };42//   // }43//   // async function saveModel(model): Promise<Update<T>> {44//   //   if (model.id == null) {45//   //     return createModel(model);46//   //   } else {47//   //     return updateModel(model);48//   //   }49//   // }50//   // async function destroyModel(model): Promise<Update<T>> {51//   //   await axios.delete(baseUrl + "/" + model.id);...

Using AI Code Generation

1const { serializedChanges } = require('fast-check');2const fc = require('fast-check');3const { serializedChanges } = require('fast-check');4fc.assert(5  fc.property(6    serializedChanges(fc.array(fc.integer()), fc.array(fc.integer())),7    (changes) => {8      const [a, b] = changes;9      return a.length + b.length === changes.length;10    }11);12const { serializedChanges } = require('fast-check');13const fc = require('fast-check');14const { serializedChanges } = require('fast-check');15fc.assert(16  fc.property(17    serializedChanges(fc.array(fc.integer()), fc.array(fc.integer())),18    (changes) => {19      const [a, b] = changes;20      return a.length + b.length === changes.length;21    }22);23const { serializedChanges } = require('fast-check-monorepo');24const fc = require('fast-check');25const { serializedChanges } = require('fast-check-monorepo');26fc.assert(27  fc.property(28    serializedChanges(fc.array(fc.integer()), fc.array(fc.integer())),29    (changes) => {30      const [a, b] = changes;31      return a.length + b.length === changes.length;32    }33);34const { serializedChanges } = require('fast-check');35const fc = require('fast-check');36const { serializedChanges } = require('fast-check');37fc.assert(38  fc.property(39    serializedChanges(fc.array(fc.integer()), fc.array(fc.integer())),40    (changes) => {41      const [a, b] = changes;42      return a.length + b.length === changes.length;43    }44);45const { serializedChanges } = require('fast-check-monorepo');46const fc = require('fast-check');47const { serializedChanges } = require('fast-check-monorepo');48fc.assert(49  fc.property(50    serializedChanges(fc.array(fc.integer()), fc.array(fc.integer())),51    (changes) => {52      const [a, b] = changes;53      return a.length + b.length === changes.length;54    }

Using AI Code Generation

1const fc = require('fast-check');2const { serializedChanges } = require('fast-check-monorepo');3const { run } = serializedChanges(4  fc.property(fc.nat(), (x) => {5    return x >= 0;6  })7);8run();9const fc = require('fast-check');10const { serializedChanges } = require('fast-check-monorepo');11const { run } = serializedChanges(12  fc.property(fc.nat(), (x) => {13    return x >= 0;14  })15);16run();17npx mocha --parallel --reporter mocha-junit-reporter --reporter-options mochaFile=test-results.xml --reporter-options nameFormat=test-results-{pid}-{title}.xml18npx mocha --parallel --reporter mocha-junit-reporter --reporter-options mochaFile=test-results.xml --reporter-options nameFormat=test-results-{pid}-{title}.xml

Using AI Code Generation

1const { serializedChanges } = require('fast-check-monorepo');2const { Arbitrary, property, run } = require('fast-check');3const arb = Arbitrary.string().map(s => s.length);4run(property(serializedChanges(arb), (lengths) => {5  return lengths.every((length, index) => {6    if (index === 0) {7      return true;8    }9    return lengths[index - 1] <= length;10  });11}));12const { serializedChanges } = require('fast-check-monorepo');13const { Arbitrary, property, run } = require('fast-check');14const arb = Arbitrary.string().map(s => s.length);15run(property(serializedChanges(arb), (lengths) => {16  return lengths.every((length, index) => {17    if (index === 0) {18      return true;19    }20    return lengths[index - 1] <= length;21  });22}));23const { serializedChanges } = require('fast-check-monorepo');24const { Arbitrary, property, run } = require('fast-check');25const arb = Arbitrary.string().map(s => s.length);26run(property(serializedChanges(arb), (lengths) => {27  return lengths.every((length, index) => {28    if (index === 0) {29      return true;30    }31    return lengths[index - 1] <= length;32  });33}));34const { serializedChanges } = require('fast-check-monorepo');35const { Arbitrary, property, run } = require('fast-check');36const arb = Arbitrary.string().map(s => s.length);37run(property(serializedChanges(arb), (lengths) => {38  return lengths.every((length, index) => {39    if (index === 0) {40      return true;41    }42    return lengths[index - 1] <= length;43  });44}));45const { serializedChanges } = require('fast-check-monorepo');46const { Arbitrary, property, run } = require('fast-check');47const arb = Arbitrary.string().map(s => s

Using AI Code Generation

1const fc = require('fast-check')2const { serializeChanges, deserializeChanges } = require('fast-check-monorepo')3const arb = fc.array(fc.integer())4const changes = serializeChanges(arb)5const arb2 = deserializeChanges(changes)6console.log(arb2.sample())7console.log(arb2.sample())8console.log(arb2.sample())9const fc = require('fast-check')10const { serializeChanges, deserializeChanges } = require('fast-check-monorepo')11const arb = fc.array(fc.integer())12const changes = serializeChanges(arb)13const arb2 = deserializeChanges(changes)14console.log(arb2.sample())15console.log(arb2.sample())16console.log(arb2.sample())17const fc = require('fast-check')18const { serializeChanges, deserializeChanges } = require('fast-check-monorepo')19const arb = fc.array(fc.integer())20const changes = serializeChanges(arb)21const arb2 = deserializeChanges(changes)22console.log(arb2.sample())23console.log(arb2.sample())24console.log(arb2.sample())25const fc = require('

Using AI Code Generation

1const fs = require('fs');2const path = require('path');3const { serialize } = require('fast-check');4const { serializedChanges } = require('./src/serializedChanges');5const fc = require('fast-check');6const folderName = 'fast-check-monorepo';7const folderPath = path.join(__dirname, folderName);8const serializedChangesPath = path.join(folderPath, 'serializedChanges.json');9if (!fs.existsSync(folderPath)) {10  fs.mkdirSync(folderPath);11}12if (!fs.existsSync(serializedChangesPath)) {13  fs.writeFileSync(serializedChangesPath, '[]');14}15const serializedChangesArray = require(serializedChangesPath);16  .tuple(fc.integer(), fc.integer())17  .filter(([x, y]) => x + y === 100);18const runTest = (serializedChangesArray) => {19  const { value, numRuns } = serializedChanges(20  );21  console.log(`numRuns: ${numRuns}`);22  const [x, y] = value;23  if (x + y !== 100) {24    throw new Error(`x + y is not equal to 100: ${x} + ${y} = ${x + y}`);25  }26};27try {28  runTest(serializedChangesArray);29} catch (err) {30  console.log(`error: ${err.message}`);31  console.log(`serializing changes`);32  const newSerializedChangesArray = serialize(arbitrary);33  console.log(`newSerializedChangesArray: ${newSerializedChangesArray}`);34  console.log(`writing newSerializedChangesArray to ${serializedChangesPath}`);35  fs.writeFileSync(serializedChangesPath, newSerializedChangesArray);36  console.log(`re-running test with newSerializedChangesArray`);37  runTest(newSerializedChangesArray);38}

Using AI Code Generation

1const { serializedChanges } = require('fast-check-monorepo');2const { generateTestCase } = require('test-case-monorepo');3const { generateTestResult } = require('test-result-monorepo');4const { generateTestReport } = require('test-report-monorepo');5const { generateTestResult } = require('test-result-monorepo');6const changes = serializedChanges();7const testCase = generateTestCase(changes);8const testResult = generateTestResult(testCase);9const testReport = generateTestReport(testResult);10const testResult = generateTestResult(testReport);11const { changes } = require('fast-check-monorepo');12const { generateTestCase } = require('test-case-monorepo');13const { generateTestResult } = require('test-result-monorepo');14const { generateTestReport } = require('test-report-monorepo');15const { generateTestResult } = require('test-result-monorepo');16const change = changes();17const testCase = generateTestCase(change);18const testResult = generateTestResult(testCase);19const testReport = generateTestReport(testResult);20const testResult = generateTestResult(testReport);21const { serializedChanges } = require('fast-check-monorepo');22const { generateTestCase } = require('test-case-monorepo');23const { generateTestResult } = require('test-result-monorepo');24const {

Using AI Code Generation

1const { applyChanges, serializedChanges } = require('fast-check');2const { getChanges } = require('./getChanges');3const original = {4  c: {5    f: {6    },7  },8};9const changed = {10  c: {11    f: {12    },13  },14};15const changes = getChanges(original, changed);16const result = applyChanges(original, changes);17console.log(result);18console.log(JSON.stringify(original) === JSON.stringify(result));19console.log(JSON.stringify(original) === JSON.stringify(changed));20console.log(JSON.stringify(changed) === JSON.stringify(result));21console.log(JSON.stringify(original) === JSON.stringify(changed));22console.log(JSON.stringify(changed) === JSON.stringify(result));23console.log(JSON.stringify(original) === JSON.stringify(result));24console.log(JSON.stringify(original) === JSON.stringify(changed));25console.log(JSON.stringify(changed) === JSON.stringify(result));

Using AI Code Generation

1const fc = require('fast-check');2const serializeChanges = (changes) => {3  if (changes.length === 0) return '';4  const serializedChanges = changes.map((change) => {5    if (change.type === 'add') return `+${change.value}`;6    else if (change.type === 'sub') return `-${change.value}`;7    else if (change.type === 'mul') return `*${change.value}`;8    else if (change.type === 'div') return `/${change.value}`;9    else throw new Error('Invalid change type');10  });11  return serializedChanges.join(' ');12};13describe('serializeChanges', () => {14  it('should serialize empty changes', () => {15    fc.assert(16      fc.property(fc.array(fc.constantFrom('add', 'sub', 'mul', 'div')), (changes) => {17        expect(serializeChanges(changes)).toEqual('');18      })19    );20  });21  it('should serialize changes', () => {22    fc.assert(23      fc.property(24        fc.array(fc.constantFrom('add', 'sub', 'mul', 'div')),25        fc.integer(),26        (changes, value) => {27          const serializedChanges = serializeChanges([{ type: changes, value }]);28          expect(serializedChanges).toEqual(`${changes}${value}`);29        }30    );31  });32});33const fc = require('fast-check');34const serializeChanges = (changes) => {35  if (changes.length === 0) return '';36  const serializedChanges = changes.map((change) => {37    if (change.type === 'add') return `+${change.value}`;38    else if (change.type === 'sub') return `-${change.value}`;39    else if (change.type === 'mul') return `*${change.value}`;40    else if (change.type === 'div') return `/${change.value}`;41    else throw new Error('Invalid change

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