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How to use frequencyBuilder method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

frequencybuilder.js

Source:frequencybuilder.js

1var pg = require('pg');2var fs = require('fs');3// var models = require('../../config/models'),4// 	connections = require('../../config/connections');5// 	var connection = connections.connections[models.models.connection];6// var database = {7// 	host: connection.host ? connection.host : 'mars.availabs.org' ,8// 	port: connection.port ? connection.port : '5432',9// 	user: connection.user ? connection.user :'postgres',10// 	password: connection.password ? connection.password :'transit',11// 	database: connection.database ? connection.database : 'transitModeler'12// };13var connString = 'postgres://postgres:Jedi21funk@mars.availabs.org/gtfsgeocensus'14//require('./pg');15var dbhelper = require('./batchmod.js');16var segFinder = require('./simsegments');17var frequencybuilder = function(schema,cb){18	console.log('the frequencybuilder', schema)19	if(schema === '--prod' ) return cb('--prod is not a schma error',null)20	var dotprod = function(l1,l2){21		var sum =0;22		for(var i =0, max = Math.min(l1.length,l2.length); i< max; i++){23			sum += l1[i]*l2[i];24		}25		return sum;26	};27	var diffSecs = function(t1,t2){28		factors = [3600,60,1];29		t1 = t1.split(':');30		t2 = t2.split(':');31		var parseI = function(x){return parseInt(x);};32		var p1= t1.map(parseI);33		var p2 = t2.map(parseI);34		var ctime1 = dotprod(factors,p1);35		var ctime2 = dotprod(factors,p2);36		return (ctime2 - ctime1);37	};38	var processData = function(data){39		var diffMat = [];40		data.forEach(function(row){	//iterate through the data41			var diffs = [];			//init list of time differences42			var starts = row.starts;//get the list of start times43			if(starts.length-1 === 0){//if it only has one then when mark turnaround as 24 hours44				diffs.push(0);45			}else{46				for(var i = 0; i < starts.length-1; i++){//otherwise go through the list of times47					var t1 = starts[i];						//get current time48					var t2 = starts[i+1];					//and forthcoming time49					diffs.push(diffSecs(t1,t2));		//add their difference in seconds to the list50				}51			}52			//fs.appendFileSync('test.txt',JSON.stringify({starts:starts,diffs:diffs}));53			diffMat.push(diffs);						//add this trip groups time deltas to a list54		});55		return diffMat;56	};57	//function to partition a single list of time deltas58	//into groups59	var parseGroups = function(List){60		var groups = [[]], ix = 0,gix=0, lastEl, El;61		lastEl = List[ix++];62		groups[gix].push(lastEl);	//push first element into the first group63		while(ix < List.length){	//iterate through the list64			El = List[ix];		//get the next element of list65			if(El !== lastEl){	//if the current element last are not he same66				groups.push([]);		//create a new group67				gix += 1;				//increment the current group index68				ix += 1;				//increment index in the list69				El = List[ix];			//skip over the current element70				lastEl = El;			//set the current element to the one following71			}72			groups[gix].push(El);		//add the current element to the current group73			ix += 1;						//increment the index74		}75		groups = groups.map(function(g){76			var d;77			if(!g[0])78				d = 0;79			else80				d = g[0];81			return {size:g.length, delta:d};82		});83		return groups;84	};85	var newParseData = function(data){86		data.forEach(function(row,i){87			var deltas = [], trip_ids=data[i].trips, tripList = [], starts = data[i].starts, startsList = [], ends=data[i].ends, endList=[];88			groupList = segFinder(row.starts,diffSecs);89			groupList.forEach(function(group){90				var len = group.seg.length;91				deltas.push(group.del);92				tripList.push(trip_ids.splice(0,len)); //add to the trip list the corresponding trips for each group93				startsList.push(group.seg); //add to the starts list the corresponding start times for each group94				endList.push(ends.splice(0,len));		//same for the end times95			});96			data[i].trips = tripList;97			data[i].starts = startsList;98			data[i].ends = endList;99			data[i].deltas = deltas;100		});101		// console.log('write finished');102		return data;103	};104	var createFrequencies = function(data){105		var template  = 'INSERT INTO "?".frequencies(start_time,end_time,headway_secs,trip_id)'+106						'VALUES (?,?,?,?)',107		template2 = 'DELETE FROM "?".stop_times WHERE trip_id=\'?\';DELETE FROM "?".trips WHERE trip_id=\'?\'';108		var objs = [];109		var dels = [];110		var totalTrips=0,delTrips=0;111		data.forEach(function(topoGroup){112			topoGroup.trips.forEach(function(tripGroup,i){113					var id = tripGroup[0];114					tripGroup.splice(0,1);115					totalTrips+=1;116					var obj = {117						table:schema,118						trip: '\'' + id + '\'',   //set the trip id to the first regular trip in the list119						start:"'"+topoGroup.starts[i][0]+"'",120						end:"'"+topoGroup.starts[i][topoGroup.starts[i].length-1]+"'",121						headway:topoGroup.deltas[i],122					};123					tripGroup.forEach(function(d){124						dels.push({trip:d,file:schema});125						totalTrips+=1;126						delTrips+=1;127					});128					objs.push(obj);129			});130		});131		//console.log('Total Trips: ', totalTrips, 'Deleted Trips: ', delTrips, 'Remaining Trips: ', totalTrips - delTrips);132		var map = ['table','start','end','headway','trip'],133		map2 = ['file','trip','file','trip'];134		dbhelp = new dbhelper(template,objs);135		dbhelp.setMapping(map);136		var sql = dbhelp.getQuery();137		dbhelp = new dbhelper(template2,dels);138		dbhelp.setMapping(map2);139		sql += dbhelp.getQuery();140		return sql;141	};142	var handleResponse = function(data){143		// var deltaMat = processData(data.rows);144		// parseData(data.rows,deltaMat);145		newParseData(data.rows);146		process.stdout.write('Finished Parsing, now Building Query\n');147		var sql = 'DELETE FROM '+schema+'.frequencies WHERE true;'+createFrequencies(data.rows);148		return sql;149	};150		var temp = 'Select array_agg(T2.starting ORDER BY T2.starting)as starts, array_agg(T2.ending ORDER BY T2.starting) as ends, T2.service_id, array_agg(T2.trip_id ORDER BY T2.starting) as trips from ( '151							+'SELECT MIN(ST.departure_time)as starting,MAX(ST.arrival_time)as ending, '152				  			+'T.route_id, T.service_id, T.shape_id, T.trip_id,T.direction_id, array_agg(ST.stop_id Order By ST.stop_sequence) as stops '153							+'FROM "?".trips as T '154							+'JOIN "?".stop_times as ST '155							+'ON T.trip_id = ST.trip_id '156							+'JOIN "?".calendar as C '157							+'ON T.service_id = C.service_id '158							+'Group By T.trip_id '159							+'Order By T.route_id, starting, T.trip_id '160							+	' ) as T2 '161					+'Group by T2.shape_id,T2.stops,T2.route_id,T2.service_id;'162	pg.connect(connString,function(err,client,done){163		if(err){164			return console.error('error fetching client from pool',err);165		}166		dbhelp = new dbhelper(temp,[{table:schema,table2:schema,table3:schema}]);167		dbhelp.setMapping(['table','table2','table3']);168		client.query(dbhelp.getQuery(),[],function(err,data){169			if(err){170				return console.error('error running query',err);171			}172			//console.log('total Rows: ',data.rows.length);173			fs.writeFileSync('test.txt',JSON.stringify(data));174			var newquery = handleResponse(data);175			client.query(newquery,[],function(err,data){176				done();177				if(err){178					console.error('error running query',err);179					cb(err,data);180				}else181					cb(err,data);182			});183		});184	});185};186// frequencybuilder('gtfs_20141014_13_1_edited');187if(process.argv[2] && (typeof process.argv[2] ==='string') ){188	console.log(process.argv,'this is getting run from here')189	//if(process.argv[2] !== '--prod')190	// frequencybuilder(process.argv[2],function(err,data){191	// 	//console.log(err,data);192	// });193}...

Hertzy.js

Source:Hertzy.js

...21const pkg = require('../package.json')22Hertzy.VERSION = pkg.version23const _frequencies = new Map()24function makeFrequency(frequency) {25    const Frequency = frequencyBuilder(frequency, _frequencies)26    return new Frequency()27}28Hertzy.tune = frequency => {29    if (!frequency) {30        throw new Error('Hertzy: frequency needs to be a valid string')31    }32    if (_frequencies.has(frequency)) {33        return _frequencies34            .get(frequency)35    }36    return _frequencies37        .set(frequency, makeFrequency(frequency))38        .get(frequency)39}...

frequency.ts

Source:frequency.ts

1import {Frequency as FrequencyEnum} from '@logi/src/lib/template'2import {Builder} from '@logi/base/ts/common/builder'3import {Impl} from '@logi/base/ts/common/mapped_types'4export interface Frequency {5    readonly id: FrequencyEnum6    readonly text: string7}8class FrequencyImpl implements Impl<Frequency> {9    public id!: FrequencyEnum10    public text = ''11}12export class FrequencyBuilder extends Builder<Frequency, FrequencyImpl> {13    public constructor(obj?: Readonly<Frequency>) {14        const impl = new FrequencyImpl()15        if (obj)16            FrequencyBuilder.shallowCopy(impl, obj)17        super(impl)18    }19    public id(id: FrequencyEnum): this {20        this.getImpl().id = id21        return this22    }23    public text(text: string): this {24        this.getImpl().text = text25        return this26    }27    protected get daa(): readonly string[] {28        return FrequencyBuilder.__DAA_PROPS__29    }30    protected static readonly __DAA_PROPS__: readonly string[] = [31        'id',32    ]33}34export function isFrequency(value: unknown): value is Frequency {35    return value instanceof FrequencyImpl36}37export function assertIsFrequency(value: unknown): asserts value is Frequency {38    if (!(value instanceof FrequencyImpl))39        throw Error('Not a Frequency!')...

Using AI Code Generation

1const { frequencyBuilder } = require('@dubzzz/fast-check');2const frequency = frequencyBuilder([3  { arbitrary: 1, weight: 1 },4  { arbitrary: 2, weight: 2 },5  { arbitrary: 3, weight: 3 },6]);7const { frequencyBuilder } = require('fast-check');8const frequency = frequencyBuilder([9  { arbitrary: 1, weight: 1 },10  { arbitrary: 2, weight: 2 },11  { arbitrary: 3, weight: 3 },12]);13const { frequencyBuilder } = require('fast-check');14const frequency = frequencyBuilder([15  { arbitrary: 1, weight: 1 },16  { arbitrary: 2, weight: 2 },17  { arbitrary: 3, weight: 3 },18]);

Using AI Code Generation

1const { frequencyBuilder } = require('fast-check');2const builder = frequencyBuilder();3const builder2 = builder.add(1, 1);4const builder3 = builder.add(1, 1);5const builder4 = builder.add(1, 1);6const builder5 = builder.add(1, 1);7const builder6 = builder.add(1, 1);8const builder7 = builder.add(1, 1);9const builder8 = builder.add(1, 1);10const builder9 = builder.add(1, 1);11const builder10 = builder.add(1, 1);12const builder11 = builder.add(1, 1);13const builder12 = builder.add(1, 1);14const builder13 = builder.add(1, 1);15const builder14 = builder.add(1, 1);16const builder15 = builder.add(1, 1);17const builder16 = builder.add(1, 1);18const builder17 = builder.add(1, 1);19const builder18 = builder.add(1, 1);20const builder19 = builder.add(1, 1);21const builder20 = builder.add(1, 1);22const builder21 = builder.add(1, 1);23const builder22 = builder.add(1, 1);24const builder23 = builder.add(1, 1);25const builder24 = builder.add(1, 1);26const builder25 = builder.add(1, 1);27const builder26 = builder.add(1, 1);28const builder27 = builder.add(1, 1);29const builder28 = builder.add(1, 1);30const builder29 = builder.add(1, 1);31const builder30 = builder.add(1, 1);32const builder31 = builder.add(1, 1);33const builder32 = builder.add(1, 1);34const builder33 = builder.add(1, 1);35const builder34 = builder.add(1, 1);36const builder35 = builder.add(1, 1);37const builder36 = builder.add(1, 1);38const builder37 = builder.add(1, 1);39const builder38 = builder.add(1, 1);40const builder39 = builder.add(1, 1);41const builder40 = builder.add(1, 1);42const builder41 = builder.add(1, 1);

Using AI Code Generation

1const fc = require('fast-check');2const frequencyBuilder = require('fast-check-monorepo/packages/fast-check/src/arbitrary/frequencyBuilder.ts');3const arb = frequencyBuilder.build([1, 2, 3], (v) => fc.constant(v));4fc.assert(fc.property(arb, (v) => v === 1 || v === 2 || v === 3));5const fc = require('fast-check');6const frequencyBuilder = require('fast-check-monorepo/packages/fast-check/src/arbitrary/frequencyBuilder.ts');7const arb = frequencyBuilder.build([1, 2, 3], (v) => fc.constant(v));8fc.assert(fc.property(arb, (v) => v === 1 || v === 2 || v === 3));9We can see that the frequencyBuilder method is being imported correctly in both the files. But when we run the tests using the command10const arb = frequencyBuilder.build([1, 2, 3], (v) => fc.constant(v));

Using AI Code Generation

1const { frequencyBuilder } = require('fast-check/lib/check/arbitrary/FrequencyArbitrary');2const { array, nat } = require('fast-check');3const frequency = frequencyBuilder([4  { arbitrary: nat(10), weight: 1 },5  { arbitrary: nat(100), weight: 2 },6  { arbitrary: nat(1000), weight: 3 },7]);8array(frequency, 10).forEach(console.log);

Using AI Code Generation

1import { frequencyBuilder } from "fast-check-monorepo";2const { frequency } = frequencyBuilder();3const gen = frequency(4  { arbitrary: fc.integer(), weight: 1 },5  { arbitrary: fc.string(), weight: 2 }6);7fc.assert(fc.property(gen, (v) => v !== null));

Using AI Code Generation

1const { frequencyBuilder } = require('fast-check');2const { array } = require('fast-check');3const { integer } = require('fast-check');4const arb = frequencyBuilder()5  .add(0.2, array(integer(0, 100), 0, 10))6  .add(0.8, array(integer(0, 100), 0, 10))7  .build();8arb.generate(mrng => mrng.nextInt(0, 100));9const { frequencyBuilder } = require('fast-check');10const { array } = require('fast-check');11const { integer } = require('fast-check');12const arb = frequencyBuilder()13  .add(0.2, array(integer(0, 100), 0, 10))14  .add(0.8, array(integer(0, 100), 0, 10))15  .build();16arb.generate(mrng => mrng.nextInt(0, 100));17const { frequencyBuilder } = require('fast-check');18const { array } = require('fast-check');19const { integer } = require('fast-check');20const arb = frequencyBuilder()21  .add(0.2, array(integer(0, 100), 0, 10))22  .add(0.8, array(integer(0, 100), 0, 10))23  .build();24arb.generate(mrng => mrng.nextInt(0, 100));

Using AI Code Generation

1const { frequencyBuilder } = require("fast-check");2const { string, record } = require("fast-check");3const gen1 = string();4const gen2 = record({});5const frequency = frequencyBuilder([gen1, gen2]);6const { property } = require("fast-check");7const prop = property(frequency, (value) => {8  return true;9});10const { run } = require("fast-check");11run(prop).then((result) => {12  console.log(result);13});14-   [frequencyBuilder](#frequencybuilder)15    -   [Parameters](#parameters)16    -   [Examples](#examples)17const { frequencyBuilder } = require("fast-check-monorepo");18const { string, record } = require("fast-check");19const gen1 = string();20const gen2 = record({});21const frequency = frequencyBuilder([gen1, gen2]);22Returns **[Generator](#generator)** frequency

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