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How to use Arb.merge method of io.kotest.property.arbitrary.merge class

Best Kotest code snippet using io.kotest.property.arbitrary.merge.Arb.merge

BatchMigrationGenerator.kt

Source:BatchMigrationGenerator.kt

1package liquibase.ext.generators2import io.kotest.property.Arb3import io.kotest.property.Exhaustive4import io.kotest.property.RandomSource5import io.kotest.property.arbitrary.arbitrary6import io.kotest.property.arbitrary.filter7import io.kotest.property.arbitrary.filterNot8import io.kotest.property.arbitrary.int9import io.kotest.property.arbitrary.list10import io.kotest.property.arbitrary.long11import io.kotest.property.arbitrary.map12import io.kotest.property.arbitrary.next13import io.kotest.property.arbitrary.orNull14import io.kotest.property.exhaustive.azstring15import io.kotest.property.exhaustive.exhaustive16import io.kotest.property.exhaustive.merge17import liquibase.ext.changes.BatchMigrationChange18import java.sql.RowIdLifetime19object BatchMigrationGenerator {20    val identifierGen = { min: Int -> Exhaustive.azstring(min..16).toArb() }21    val rowIdLifeTimeInvalidGenerator = listOf(22        RowIdLifetime.ROWID_UNSUPPORTED,23        RowIdLifetime.ROWID_VALID_OTHER,24        RowIdLifetime.ROWID_VALID_SESSION,25        RowIdLifetime.ROWID_VALID_TRANSACTION26    ).exhaustive()27    val rowIdLifeTimeGenerator = listOf(28        RowIdLifetime.ROWID_VALID_FOREVER,29    ).exhaustive().merge(rowIdLifeTimeInvalidGenerator)30    val validMigrationGenerator = arbitrary { rs: RandomSource ->31        val change = BatchMigrationChange()32        val colCount = Arb.int(1, 5).next(rs)33        val colGen = fixedColumnListNoDupsGenerator(colCount, colCount)34        change.tableName = identifierGen(1).next(rs)35        change.chunkSize = Arb.long(1L, 10000L).next(rs)36        val from = colGen.next(rs)37        val fromSet = from.toSet()38        change.fromColumns = from.toColumnList()39        // Make sure we do not have overlapping or crossing columns between from and to40        val to = colGen.filterNot { l -> fromSet.any { it in l.toSet() } }.next(rs)41        change.toColumns = to.toColumnList()42        change43    }44    val validMigrationWithSleepsGenerator = arbitrary { rs: RandomSource ->45        val mig = validMigrationGenerator.next(rs)46        mig.sleepTime = Arb.long(0L, 10000L).orNull().next(rs)47        mig48    }49    val sampleMigrationGenerator = arbitrary { rs: RandomSource ->50        val change = BatchMigrationChange()51        change.tableName = identifierGen(1).orNull().next(rs)52        change.chunkSize = Arb.long(-100L, 10000L).orNull().next(rs)53        val upperBound = Arb.int(0, 5).next(rs)54        val minBound = Arb.int(0, 5).filter { it <= upperBound }.next(rs)55        change.fromColumns = fixedColumnStringSequenceGenerator(minBound, upperBound).orNull().next(rs)56        change.toColumns = fixedColumnStringSequenceGenerator(minBound, upperBound).orNull().next(rs)57        change.sleepTime = Arb.long(-100L, 10000L).orNull().next(rs)58        change59    }60    val invalidMigrationGenerator = sampleMigrationGenerator.filter { c: BatchMigrationChange ->61        val simplePredicate = c.fromColumns.isNullOrEmpty() ||62            c.toColumns.isNullOrEmpty() || (c.chunkSize ?: -1L) <= 0L || c.sleepTime?.let { it < 0L } ?: false63        if (simplePredicate) return@filter true64        else {65            val from = c.fromColumns!!.split(",")66            val to = c.toColumns!!.split(",").toSet()67            // check whether from and to columns are equal somewhere or crossing68            // check whether any to column is in primary keys69            from.size != to.size || from.any { it in to }70        }71    }72    private fun List<String>.toColumnList(): String = joinToString(separator = ",") { it }73    private val fixedColumnListGenerator = { lowerBound: Int, inclusiveUpperBound: Int ->74        Arb.list(identifierGen(1), IntRange(lowerBound, inclusiveUpperBound))75    }76    private val fixedColumnListNoDupsGenerator = { lowerBound: Int, inclusiveUpperBound: Int ->77        fixedColumnListGenerator(lowerBound, inclusiveUpperBound).filterNot { l ->78            l.toSet().size != l.size79        }80    }81    private val fixedColumnStringSequenceGenerator = { lowerBound: Int, inclusiveUpperBound: Int ->82        fixedColumnListGenerator(lowerBound, inclusiveUpperBound).map { l -> l.joinToString(",") { it } }83    }84}...

RatchetPropTest.kt

Source:RatchetPropTest.kt

1/*2* Copyright Â© 2020, Concordant and contributors.3*4* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and5* associated documentation files (the "Software"), to deal in the Software without restriction,6* including without limitation the rights to use, copy, modify, merge, publish, distribute,7* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is8* furnished to do so, subject to the following conditions:9*10* The above copyright notice and this permission notice shall be included in all copies or11* substantial portions of the Software.12*13* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT14* NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND15* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,16* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,17* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.18*/19package crdtlib.crdt20import crdtlib.utils.ClientUId21import crdtlib.utils.SimpleEnvironment22import crdtlib.utils.VersionVector23import io.kotest.core.spec.style.StringSpec24import io.kotest.property.Arb25import io.kotest.property.arbitrary.*26import io.kotest.property.forAll27val RatchetArb = arbitrary { rs ->28    Ratchet(Arb.string().next(rs))29}30enum class OpType {31    ASSIGN, MERGE32}33val OperationArb = arbitrary { rs ->34    Pair(Arb.enum<OpType>().next(rs), Arb.string().next(rs))35}36class RatchetPropTest : StringSpec({37    val uid1 = ClientUId("clientid1")38    var client1 = SimpleEnvironment(uid1)39    beforeTest {40        client1 = SimpleEnvironment(uid1)41    }42    "deserialize is inverse to serialize" {43        forAll(RatchetArb) { r ->44            r.get() == Ratchet.fromJson(r.toJson()).get()45            // TODO: After fixing equality, this should also work:46            // r == Ratchet.fromJson<String>(r.toJson())47        }48    }49    "get initial value" {50        forAll(Arb.string()) { s ->51            s == Ratchet(s).get()52        }53    }54    "arbitrary set and merge always yields largest element" {55        // Need to reduce range to 0..25 otherwise js test fails due to timeout (default is 0..100)56        forAll(Arb.list(OperationArb, 0..25)) { ops ->57            val maybeMaximum = ops.maxByOrNull { it.second }58            val maximum = maybeMaximum?.second ?: ""59            val r = Ratchet("", client1)60            ops.map { op ->61                when (op.first) {62                    OpType.ASSIGN -> r.assign(op.second)63                    OpType.MERGE -> r.merge(Ratchet(op.second))64                }65            }66            r.get() == maximum67        }68    }69    "merge with deltas" {70        // Need to reduce range to 0..15 otherwise js test fails due to timeout (default is 0..100)71        forAll(Arb.list(Arb.string(), 0..15), Arb.list(Arb.string(), 0..15)) { ops1, ops2 ->72            val m1 = ops1.maxOrNull() ?: ""73            val m2 = ops2.maxOrNull() ?: ""74            val r1 = Ratchet("", client1)75            val r2 = Ratchet("", client1)76            ops1.map { op -> r1.assign(op) }77            ops2.map { op -> r2.assign(op) }78            val d = r1.generateDelta(VersionVector())79            r2.merge(d)80            r2.get() == maxOf(m1, m2)81        }82    }83})...

CombineTest.kt

Source:CombineTest.kt

1package com.github.torresmi.remotedata.property2import com.github.torresmi.remotedata.RemoteData3import com.github.torresmi.remotedata.mergeWith4import com.github.torresmi.remotedata.test.util.generation.remoteDataNonSuccess5import io.kotest.core.spec.style.DescribeSpec6import io.kotest.matchers.shouldBe7import io.kotest.property.Arb8import io.kotest.property.arbitrary.int9import io.kotest.property.arbitrary.map10import io.kotest.property.checkAll11class CombineTest : DescribeSpec({12    describe("merging") {13        val mapper = { a: Int, b: Int -> a + b }14        describe("both RemoteData objects are successful") {15            it("applies the map function") {16                checkAll(Arb.int(), Arb.int()) { a, b ->17                    val expected = RemoteData.succeed(mapper(a, b))18                    RemoteData.succeed(a).mergeWith(RemoteData.succeed(b), mapper) shouldBe expected19                }20            }21        }22        describe("both RemoteData objects are not a success") {23            it("keeps the first state") {24                checkAll(nonSuccessGen(), nonSuccessGen()) { a, b ->25                    a.mergeWith(b, mapper) shouldBe a26                }27            }28        }29        describe("first RemoteData object is a success and the second is not a success") {30            it("keeps the second state") {31                checkAll(successGen(), nonSuccessGen()) { a, b ->32                    a.mergeWith(b, mapper) shouldBe b33                }34            }35        }36        describe("first RemoteData object is not a success and the second is a success") {37            it("keeps the first state") {38                checkAll(nonSuccessGen(), successGen()) { a, b ->39                    a.mergeWith(b, mapper) shouldBe a40                }41            }42        }43    }44})45private fun successGen() = Arb.int().map { RemoteData.succeed(it) }46private fun nonSuccessGen() = Arb.remoteDataNonSuccess(Arb.int())...

GeneratorSpec.kt

Source:GeneratorSpec.kt

1package ru.iopump.qa.sample.property2import io.kotest.core.spec.style.FreeSpec3import io.kotest.property.Arb4import io.kotest.property.Exhaustive5import io.kotest.property.arbitrary.*6import io.kotest.property.exhaustive.enum7import io.kotest.property.exhaustive.ints8import io.kotest.property.exhaustive.merge9import io.kotest.property.exhaustive.times10import org.slf4j.event.Level11/** For string generator with leading zero */12/*1*/val numberCodepoint: Arb<Codepoint> = Arb.int(0x0030..0x0039)13    .map { Codepoint(it) }14/** For english string generator */15/*2*/val engCodepoint: Arb<Codepoint> = Arb.int('a'.toInt()..'z'.toInt())16    .merge(Arb.int('A'.toInt()..'Z'.toInt()))17    .map { Codepoint(it) }18class GeneratorSpec : FreeSpec() {19    init {20        "/*3*/ random number supported leading zero" {21            Arb.string(10, numberCodepoint).next()22                .also(::println)23        }24        "/*4*/ random english string" {25            Arb.string(10, engCodepoint).orNull(0.5).next()26                .also(::println)27        }28        "/*5*/ random russian mobile number" {29            Arb.stringPattern("+7\\(\\d{3}\\)\\d{3}-\\d{2}-\\d{2}").next()30                .also(::println)31        }32        "/*6*/ exhaustive collection and enum multiply" {33            Exhaustive.ints(1..5).times(Exhaustive.enum<Level>()).values34                .also(::println)35        }36        "/*7*/ exhaustive collection and enum merge" {37            Exhaustive.ints(1..5).merge(Exhaustive.enum<Level>()).values38                .also(::println)39        }40    }41}...

Arb.kt

Source:Arb.kt

1package utils2import io.kotest.property.Arb3import io.kotest.property.Exhaustive4import io.kotest.property.arbitrary.arbitrary5import io.kotest.property.arbitrary.byte6import io.kotest.property.arbitrary.byteArrays7import io.kotest.property.arbitrary.filter8import io.kotest.property.arbitrary.int9import io.kotest.property.arbitrary.merge10import kotlin.random.nextUInt11import kotlin.random.nextULong12operator fun <A> Arb<A>.plus(other: Arb<A>) =13    merge(other)14operator fun <A> Arb<A>.minus(other: Exhaustive<A>) =15    filter { it !in other.values }16operator fun <V : Comparable<V>> Arb<V>.minus(range: ClosedRange<V>) =17    filter { it !in range }18fun Arb.Companion.byteArrays(length: Int) =19    byteArrays(length..length)20fun Arb.Companion.byteArrays(length: IntRange) =21    Arb.byteArrays(Arb.int(length), Arb.byte())22fun Arb.Companion.uint(range: UIntRange = UInt.MIN_VALUE..UInt.MAX_VALUE) = arbitrary(listOf(range.first, range.last)) {23    it.random.nextUInt(range)24}25fun Arb.Companion.ulong() = arbitrary(listOf(ULong.MIN_VALUE, ULong.MAX_VALUE)) {26    it.random.nextULong()27}28inline fun <reified T> Arb.Companion.arrayOf(value: Arb<T>, length: IntRange): Arb<Array<T>> = arbitrary { rs ->29    Array(rs.random.nextInt(length.first, length.last)) {30        value.sample(rs).value31    }32}...

PersonGenerator.kt

Source:PersonGenerator.kt

1package property.based.testing2import io.kotest.property.Arb3import io.kotest.property.arbitrary.Codepoint4import io.kotest.property.arbitrary.ascii5import io.kotest.property.arbitrary.bind6import io.kotest.property.arbitrary.cyrillic7import io.kotest.property.arbitrary.hebrew8import io.kotest.property.arbitrary.int9import io.kotest.property.arbitrary.katakana10import io.kotest.property.arbitrary.merge11import io.kotest.property.arbitrary.string12fun Arb.Companion.person(): Arb<Person> =13    Arb.bind(14        Arb.string(15            minSize = 1, codepoints = Codepoint.ascii()16                .merge(Codepoint.katakana())17                .merge(Codepoint.hebrew())18                .merge(Codepoint.cyrillic())19        ),20        Arb.address()21    ) { name, address ->22        Person(name, address)23    }24fun Arb.Companion.address(): Arb<Address> =25    Arb.bind(26        Arb.string(minSize = 1),27        Arb.string(minSize = 1),28        Arb.int(0..20000)29    ) { street, town, zip ->30        Address(street, town, zip)31    }...

option.kt

Source:option.kt

1package io.kotest.property.arrow2import arrow.core.None3import arrow.core.Option4import arrow.core.Some5import arrow.core.some6import io.kotest.property.Arb7import io.kotest.property.Exhaustive8import io.kotest.property.arbitrary.constant9import io.kotest.property.arbitrary.map10import io.kotest.property.arbitrary.merge11import io.kotest.property.exhaustive.exhaustive12/**13 * Returns an Exhaustive that contains a None and a Some with the given value14 */15fun <A> Exhaustive.Companion.option(a: A) = exhaustive(listOf(None, Some(a)))16fun <A> Exhaustive.Companion.none() = exhaustive(listOf(None))17/**18 * Wraps each element generated by the given Arb in a Some.19 */20fun <A> Arb.Companion.some(arb: Arb<A>): Arb<Option<A>> = arb.map { it.some() }21fun <A> Arb.Companion.none(): Arb<Option<A>> = Arb.constant(None)22fun <A> Arb.Companion.option(arb: Arb<A>): Arb<Option<A>> = some(arb).merge(none())...

either.kt

Source:either.kt

1package io.kotest.property.arrow2import arrow.core.Either3import arrow.core.left4import arrow.core.right5import io.kotest.property.Arb6import io.kotest.property.arbitrary.map7import io.kotest.property.arbitrary.merge8/**9 * Generates approx 50/50 of left and right from the underlying generators.10 */11fun <A, B> Arb.Companion.either(arbLeft: Arb<A>, arbRight: Arb<B>): Arb<Either<A, B>> =12   left(arbLeft).merge(right(arbRight))13/**14 * Generates instances of [Either.Right] using the given arb.15 */16fun <B> Arb.Companion.right(arb: Arb<B>): Arb<Either<Nothing, B>> = arb.map { it.right() }17/**18 * Generates instances of [Either.Left] using the given arb.19 */20fun <A> Arb.Companion.left(arb: Arb<A>): Arb<Either<A, Nothing>> = arb.map { it.left() }...

Arb.merge

Using AI Code Generation

1val arb1 = Arb.int(1..10)2val arb2 = Arb.int(11..20)3val arb3 = Arb.int(21..30)4val arb4 = Arb.int(31..40)5val arb5 = Arb.int(41..50)6val arb6 = Arb.int(51..60)7val arb7 = Arb.int(61..70)8val arb8 = Arb.int(71..80)9val arb9 = Arb.int(81..90)10val arb10 = Arb.int(91..100)11val arb11 = Arb.int(101..110)12val arb12 = Arb.int(111..120)13val arb13 = Arb.int(121..130)14val arb14 = Arb.int(131..140)15val arb15 = Arb.int(141..150)16val arb16 = Arb.int(151..160)17val arb17 = Arb.int(161..170)18val arb18 = Arb.int(171..180)19val arb19 = Arb.int(181..190)20val arb20 = Arb.int(191..200)21val arb21 = Arb.int(201..210)22val arb22 = Arb.int(211..220)23val arb23 = Arb.int(221..230)24val arb24 = Arb.int(231..240)25val arb25 = Arb.int(241..250)26val arb26 = Arb.int(251..260)27val arb27 = Arb.int(261..270)28val arb28 = Arb.int(271..280)29val arb29 = Arb.int(281..290)30val arb30 = Arb.int(291..300)31val arb31 = Arb.int(301..310)32val arb32 = Arb.int(311..320)33val arb33 = Arb.int(321..330)34val arb34 = Arb.int(331..340)35val arb35 = Arb.int(341..350)36val arb36 = Arb.int(351..360)37val arb37 = Arb.int(361..370)38val arb38 = Arb.int(371..380)39val arb39 = Arb.int(381..390)40val arb40 = Arb.int(391..400)41val arb41 = Arb.int(401..410)42val arb42 = Arb.int(411..420)43val arb43 = Arb.int(421..430)44val arb44 = Arb.int(431..440)45val arb45 = Arb.int(441..450)

Arb.merge

Using AI Code Generation

1val arb1 = Arb.int(1..10)2val arb2 = Arb.int(11..20)3val arb3 = Arb.int(21..30)4val mergedArb = arb1.merge(arb2, arb3)5val arb1 = Arb.int(1..10)6val arb2 = Arb.int(11..20)7val arb3 = Arb.int(21..30)8val mergedArb = arb1.merge(arb2, arb3)9val arb1 = Arb.int(1..10)10val arb2 = Arb.int(11..20)11val arb3 = Arb.int(21..30)12val mergedArb = arb1.merge(arb2, arb3)13val arb1 = Arb.int(1..10)14val arb2 = Arb.int(11..20)15val arb3 = Arb.int(21..30)16val mergedArb = arb1.merge(arb2, arb3)17val arb1 = Arb.int(1..10)18val arb2 = Arb.int(11..20)19val arb3 = Arb.int(21..30)20val mergedArb = arb1.merge(arb2, arb3)21mergedArb.generate(RandomSource

Arb.merge

Using AI Code Generation

1fun main() {2  val arb1 = Arb.int(1..10)3  val arb2 = Arb.int(20..30)4  val arb3 = Arb.int(40..50)5  val arb4 = Arb.int(60..70)6  val mergedArb = Arb.merge(arb1, arb2, arb3, arb4)7  mergedArb.take(10).forEach(::println)8}

Arb.merge

Using AI Code Generation

1val arb1 = Arb.int(1..100)2val arb2 = Arb.int(2..200)3val arb3 = Arb.merge(arb1, arb2)4val arb4 = arb1.merge(arb2)5val arb5 = arb1.merge(arb2, arb3)6val arb6 = arb1.merge(arb2, arb3, arb4)7val arb7 = arb1.merge(arb2, arb3, arb4, arb5)8val arb8 = arb1.merge(arb2, arb3, arb4, arb5, arb6)9val arb9 = arb1.merge(arb2, arb3, arb4, arb5, arb6, arb7)10val arb10 = arb1.merge(arb2, arb3, arb4, arb5, arb6, arb7, arb8)11val arb11 = arb1.merge(arb2, arb3, arb4, arb5, arb6, arb7, arb8, arb9)12val arb12 = arb1.merge(arb2, arb3, arb4, arb5, arb6, arb7, arb8, arb9, arb10)13val arb13 = arb1.merge(arb2, arb3, arb4, arb5, arb6, arb7, arb8, arb9, arb10, arb11)14val arb14 = arb1.merge(arb2, arb3, arb4, arb5, arb6, arb7, arb8, arb9, arb10, arb11, arb12)15val arb15 = arb1.merge(arb2, arb3, arb4, arb5, arb6, arb7, arb8, arb9, arb10, arb11, arb12, arb13)16val arb16 = arb1.merge(arb2, arb3, arb4, arb5, arb6, arb7, arb8, arb9, arb10, arb11, arb12, arb13, arb14)17val arb17 = arb1.merge(arb2, arb3, arb4, arb5, arb6, arb7, arb8, arb9, arb10, arb11, arb12, arb13, arb14, arb15)18val arb18 = arb1.merge(arb2, arb3, arb4, arb5, arb6, arb7, arb8, arb9, arb10, arb

Arb.merge

Using AI Code Generation

1val arb1 = Arb.int(1..10)2val arb2 = Arb.int(11..20)3val arb3 = arb1.merge(arb2)4val arb1 = Arb.int(1..10)5val arb2 = Arb.int(11..20)6val arb3 = arb1.merge(arb2)7val arb1 = Arb.int(1..10)8val arb2 = Arb.int(11..20)9val arb3 = arb1.merge(arb2)10val arb1 = Arb.int(1..10)11val arb2 = Arb.int(11..20)12val arb3 = arb1.merge(arb2)13val arb1 = Arb.int(1..10)14val arb2 = Arb.int(11..20)15val arb3 = arb1.merge(arb2)16val arb1 = Arb.int(1..10)17val arb2 = Arb.int(11..20)18val arb3 = arb1.merge(arb2)19val arb1 = Arb.int(1..10)20val arb2 = Arb.int(11..20)21val arb3 = arb1.merge(arb2)22val arb1 = Arb.int(1..10)23val arb2 = Arb.int(11..20)24val arb3 = arb1.merge(arb2)25val arb1 = Arb.int(1..10)26val arb2 = Arb.int(11..20)27val arb3 = arb1.merge(arb2)

Arb.merge

Using AI Code Generation

1val arb1 = Arb.int(0..100)2val arb2 = Arb.int(100..200)3val arb3 = arb1.merge(arb2)4arb3.generate(RandomSource.Default).take(10).toList() shouldBe listOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)5val arb1 = Arb.int(0..100)6val arb2 = Arb.int(100..200)7val arb3 = arb1.merge(arb2)8arb3.generate(RandomSource.Default).take(10).toList() shouldBe listOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)9val arb1 = Arb.int(0..100)10val arb2 = Arb.int(100..200)11val arb3 = arb1.merge(arb2)12arb3.generate(RandomSource.Default).take(10).toList() shouldBe listOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)13val arb1 = Arb.int(0..100)14val arb2 = Arb.int(100..200)15val arb3 = arb1.merge(arb2)16arb3.generate(RandomSource.Default).take(10).toList() shouldBe listOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)17val arb1 = Arb.int(0..100)18val arb2 = Arb.int(100..200)19val arb3 = arb1.merge(arb2)20arb3.generate(RandomSource.Default).take(10).toList() shouldBe listOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)21val arb1 = Arb.int(0..100)22val arb2 = Arb.int(

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