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How to use seenInstances method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

db-data.service.ts

Source:db-data.service.ts

1import { connection } from "../db/connection.db";2import { instanceTypeTableName } from "../db/database/tables/instance-type.table";3import { instanceTableName } from "../db/database/tables/instances.table";4import { pricingRegionTableName } from "../db/database/tables/pricing-region.table";5import { pricingTableName } from "../db/database/tables/pricing.table";6import Worker from "worker-loader!../worker/read-file.worker.ts";7import { IDataProcessResult, IProcessedData } from "../core/interfaces-types";8export const populateDatabase = (): Promise<boolean> => {9    return new Promise(async (resolve, reject) => {10        let fileDataWorker: Worker = new Worker();11        fileDataWorker.onmessage = async (ev: MessageEvent<IDataProcessResult>) => {12            try {13                await saveDatabaseData(ev.data);14                resolve(true)15            } catch (error) {16                reject(error)17            }18            fileDataWorker.terminate()19        }20        //The file to be process can be very heavy, so i delegate it to the background let a worker process it 21        //In another thread.22        fileDataWorker.postMessage("");23    })24}25export const saveDatabaseData = async (data: IDataProcessResult) => {26    let instanceIdMap: Record<string, number> | null = {}27    await connection.insert({28        into: pricingRegionTableName,29        values: data.regionsArray,30        skipDataCheck: false,31    });32    await connection.insert({33        into: instanceTypeTableName,34        values: data.instanceTypeArray,35        skipDataCheck: false,36    });37    let instances: Record<string, any>[] | null | number;38    instances = await connection.insert({39        into: instanceTableName,40        values: data.instanceArray,41        return: true,42        skipDataCheck: false,43    });44    (instances as Record<string, any>[]).forEach((instance: Record<string, any>) => {45        (instanceIdMap as Record<string, number>)[instance.name + "::" + instance.instanceType] = instance.id46    })47    await connection.insert({48        into: pricingTableName,49        values: data.pricesArray.map((price) => {50            price.instanceId = instanceIdMap?.[price.instanceHash];51            delete price.instanceHash;52            return price;53        }),54        skipDataCheck: false,55    });56    //free up this object57    instances = null;58}59export const getAggregateData = async (monthlyIncrement: number  = 50, upperBound: number = 1000):Promise<IProcessedData> => {60    if(upperBound < monthlyIncrement) return  {labels:[], dataSet:[], instances:[], regions:[] }61   62    //Instances that have been looped over63    const seenInstances: Record<number, boolean> = {};64    //Regions that have been looped over65    const seenRegions: Record<number, boolean> = {};66    const boundaryName: Record<number, string> = {};67    const minSpotBoundaryData: Record<number, number[]> = {};68    // const maxSpotBoundaryData: Record<number, number[]> = {};69    /**70     * There is approximately 730 hours in a month, So I convert all input into Hours.71     * This is because results in our database are saved in hours72     */73    let incrementInHours = monthlyIncrement/730;74    let upperBoundInHours = upperBound/730;75    let divisions = Math.ceil(upperBoundInHours/incrementInHours);76    let beginAt = 0;77    for (let index = 1; index <= divisions; index++) {78        boundaryName[index] = `${beginAt*monthlyIncrement} to ${index*monthlyIncrement}`;79        minSpotBoundaryData[index] = [];80        beginAt++;81    }82    boundaryName[divisions + 1] = `Above ${divisions * monthlyIncrement}`;83    minSpotBoundaryData[divisions + 1] = [];84     const result: Record<string, any> = await connection.select({85        from: instanceTableName,86        join:{87            with: pricingTableName,88            on: `${instanceTableName}.id = ${pricingTableName}.instanceId`,89            where:{90                instanceTypeName: 'linux'91            },92            as: {93                id: "pricingId"94            } 95        }96    });97    for (let index = 0; index < result.length; index++) {98        let current:  Record<string, any> = result[index];99        if(!seenInstances[current?.id]) seenInstances[current?.id] = true;100        if(!seenRegions[current?.pricingRegionName]) seenRegions[current?.pricingRegionName] = true;101        const minimumSpotPrice =  Math.ceil(current?.spotMin);102        103        if(minimumSpotPrice === 0) minSpotBoundaryData[1].push(minimumSpotPrice);104        if(minimumSpotPrice <= divisions && minimumSpotPrice !== 0) {105            minSpotBoundaryData[minimumSpotPrice].push(current?.spotMin);106        }107        else if(minimumSpotPrice > divisions && minimumSpotPrice !== 0) {108            minSpotBoundaryData[divisions + 1].push(current?.spotMin);109        }110    }111    const labels: string[] = []112    const dataSet: number[] = []113    for (let index = 1; index <= divisions; index++) {114        labels.push(boundaryName[index]);115        dataSet.push(minSpotBoundaryData[index].length)116    }117    return {118        labels,119        dataSet,120        instances: Object.keys(seenInstances),121        regions: Object.keys(seenRegions),122    }123    124    ...

LoggedInModelManager.js

Source:LoggedInModelManager.js

1/**2 *  @file       LoggedInModelManager.js3 *  @author     Colin Sullivan <colinsul [at] gmail.com>4 **/5 6/**7 *  This is the manager for datasets when there is a user logged in.  The stuff8 *  below will be necessary on any logged in page.9 *  @class10 **/11function LoggedInModelManager(params) {12    if(params) {13        this.init(params);14    }15}16LoggedInModelManager.prototype = new ModelManager();17LoggedInModelManager.prototype.init = function(params) {18    ModelManager.prototype.init.call(this, params);19    20    21    var dataToLoad = this._dataToLoad;22    23    /* Get data for user */24    var userData = params.userData;25    if(typeof(userData) == 'undefined') {26        throw new Error('params.userData is undefined');27    }28    dataToLoad['userData'] = userData;29    30    /* Every page needs the collections that this user is a member of */31    var userMemberCollectionsData = params.memberCollectionsData;32    if(typeof(userMemberCollectionsData) == 'undefined') {33        throw new Error('params.memberCollectionsData is undefined');34    }35    dataToLoad['userMemberCollectionsData'] = userMemberCollectionsData;36    37    /* Now lets create our Backbone collection of Concert Collections for which38        the current user is a member. */39    this.userMemberCollections = new CollectionSet;40    41    /* Any page that has collections represented will require a master list of collections we have seen */42    this.seenInstances['collection'] = new CollectionSet;43    /* Master list of requests */44    this.seenInstances['request'] = new RequestSet;45    /* We will need to maintain a list of users that we have seen */46    this.seenInstances['user'] = new UserSet;47    48    /* Audio objects that we have seen */49    this.seenInstances['audiofile'] = new AudioFileSet;50    51    /* Audio segments that we have seen */52    this.seenInstances['audiosegment'] = new AudioSegmentSet;53    54    /* Tags that we have seen */55    this.seenInstances['tag'] = new TagSet;56    57    /* Comments we have seen */58    this.seenInstances['comment'] = new CommentSet;59    60    /* All events we have seen */61    this.seenInstances['event'] = new EventSet;62    63    /* Events of all type */64    this.seenInstances['audiofileuploadedevent'] = new AudioFileUploadedEventSet;65    this.seenInstances['audiosegmentcreatedevent'] = new AudioSegmentCreatedEventSet;66    this.seenInstances['audiosegmenttaggedevent'] = new AudioSegmentTaggedEventSet;67    this.seenInstances['createcollectionevent'] = new CreateCollectionEventSet;68    this.seenInstances['joincollectionevent'] = new JoinCollectionEventSet;69    this.seenInstances['leavecollectionevent'] = new LeaveCollectionEventSet;70    this.seenInstances['requestdeniedevent'] = new RequestDeniedEventSet;71    this.seenInstances['requestjoincollectionevent'] = new RequestJoinCollectionEventSet;72    this.seenInstances['requestrevokedevent'] = new RequestRevokedEventSet;73    74    75    /* We will keep a reference to the current user */76    this.user = new User;77    78};79/**80 *  Here we will create all of the Backbone objects that are needed from data that81 *  was loaded initially.82 **/83LoggedInModelManager.prototype._loadData = function() {84    85    var dataToLoad = this._dataToLoad;86    87    /**88     *  Load user info89     **/90    var user = this.user;91    user.set(dataToLoad['userData']);92    this.seenInstances['user'].add(user);93    /* done with user data */94    dataToLoad['userData'] = null;95    96    /**97     *  Load collection info98     **/99    var userMemberCollections = this.userMemberCollections;100    userMemberCollections.refresh(dataToLoad['userMemberCollectionsData']);101    dataToLoad['userMemberCollectionsData'] = null;102    ...

no-unused-instances.ts

Source:no-unused-instances.ts

1// No instances that are not connected2import { getRuleConfig } from "../config/util";3import { createDiagnosticsFactory } from "../diagnostic";4import { ASTKinds, instance, system } from "../grammar/parser";5import { RuleFactory } from "../linting-rule";6import { isIdentifier, nodeToSourceRange, systemBindings, systemInstances } from "../util";7export const unusedInstance = createDiagnosticsFactory();8export const no_unused_instances: RuleFactory = factoryContext => {9    const config = getRuleConfig("no_unused_instances", factoryContext.userConfig);10    if (config.isEnabled) {11        factoryContext.registerRule<system>(ASTKinds.system, (node, context) => {12            const seenInstances = new Map<string, { instance: instance; seen: boolean }>();13            for (const instance of systemInstances(node)) {14                seenInstances.set(instance.name.text, { instance, seen: false });15            }16            for (const binding of systemBindings(node)) {17                context.visit(binding, node => {18                    if (isIdentifier(node) && seenInstances.has(node.text)) {19                        seenInstances.get(node.text)!.seen = true;20                    }21                });22            }23            const diagnostics = [];24            for (const { instance, seen } of seenInstances.values()) {25                if (!seen) {26                    diagnostics.push(27                        unusedInstance(28                            config.severity,29                            "This instance is not bound to anything.",30                            context.source,31                            nodeToSourceRange(instance.name)32                        )33                    );34                }35            }36            return diagnostics;37        });38    }39};...

Using AI Code Generation

1import { seenInstances } from "fast-check";2import { seenInstances } from "fast-check";3import { seenInstances } from "fast-check";4import { seenInstances } from "fast-check";5import { seenInstances } from "fast-check";6import { seenInstances } from "fast-check";7import { seenInstances } from "fast-check";8import { seenInstances } from "fast-check";9import { seenInstances } from "fast-check";10import { seenInstances } from "fast-check";11import { seenInstances } from "fast-check";12import { seenInstances } from "fast-check";13import { seenInstances } from "fast-check";14import { seenInstances } from "fast-check";15import { seenInstances } from "fast-check";16import { seenInstances } from "fast-check";17import { seenInstances } from "fast-check";18import { seenInstances } from "fast-check";19import { seenInstances } from "fast-check";

Using AI Code Generation

1const { seenInstances } = require('fast-check');2const fc = require('fast-check');3fc.assert(4  fc.property(fc.integer(), fc.integer(), (a, b) => {5    const seen = seenInstances();6    return seen(a) === seen(a) && seen(b) === seen(b) && seen(a) !== seen(b);7  })8);

Using AI Code Generation

1const fc = require('fast-check');2const { seenInstances } = require('fast-check');3const { Arbitrary } = require('fast-check/lib/types/definition/Arbitrary');4const { Shrinkable } = require('fast-check/lib/types/definition/Shrinkable');5const myArbitrary = fc.integer(0, 100);6const myArbitraryWithSeenInstances = fc.seenInstances(myArbitrary, 10);7const myArbitraryWithSeenInstancesAndShrink = fc.seenInstances(8);9const myArbitraryWithSeenInstancesAndCustomShrink = fc.seenInstances(10  (a, b) => a - b11);12const myArbitraryWithSeenInstancesAndCustomShrinkAndComparison = fc.seenInstances(13  (a, b) => a - b,14  (a, b) => a === b15);

Using AI Code Generation

1import { seenInstances } from 'fast-check';2const seen = seenInstances();3const seen2 = seenInstances();4seen.add(1);5seen.add(2);6seen.clear();

Using AI Code Generation

1import * as fc from 'fast-check';2import { seenInstances } from 'fast-check-monorepo';3import { MyType } from './myType';4describe('MyType', () => {5  it('should be able to generate a MyType', () => {6    const arb = fc.record({7      id: fc.string(),8    });9    const myTypeArb = arb.map((a) => new MyType(a.id));10    const instances = seenInstances(myTypeArb, 10);11    expect(instances).toHaveLength(10);12  });13});

Using AI Code Generation

1const { seenInstances } = require('fast-check');2const { MyClass } = require('../MyClass');3test('MyClass has been instantiated', () => {4  const myInstance = new MyClass();5  const allInstances = seenInstances(MyClass);6  expect(allInstances).toContain(myInstance);7});8class MyClass {9  constructor() {10  }11}12module.exports = { MyClass };13"devDependencies": {14},15"scripts": {16}17For more information about fast-check-monorepo, see the [documentation](

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