Best Kotest code snippet using io.kotest.property.arbitrary.next
GenHelper.kt
Source:GenHelper.kt
...34import io.kotest.property.arbitrary.localDateTime35import io.kotest.property.arbitrary.localTime36import io.kotest.property.arbitrary.long37import io.kotest.property.arbitrary.map38import io.kotest.property.arbitrary.next39import io.kotest.property.arbitrary.period40import io.kotest.property.arbitrary.short41import io.kotest.property.arbitrary.string42import io.kotest.property.arbitrary.uuid43import io.kotest.property.exhaustive.exhaustive44import java.net.URI45fun Arb.Companion.suspendFunThatReturnsEitherAnyOrAnyOrThrows(): Arb<suspend () -> Either<Any, Any>> =46 choice(47 suspendFunThatReturnsAnyRight(),48 suspendFunThatReturnsAnyLeft(),49 suspendFunThatThrows()50 )51fun Arb.Companion.suspendFunThatReturnsEitherAnyOrUnitOrThrows(): Arb<suspend () -> Either<Any, Unit>> =52 choice(53 suspendFunThatReturnsUnitRight() as Arb<suspend () -> Either<Any, Unit>>,54 suspendFunThatReturnsAnyLeft() as Arb<suspend () -> Either<Any, Unit>>,55 suspendFunThatThrows() as Arb<suspend () -> Either<Any, Unit>>56 )57fun Arb.Companion.suspendFunThatReturnsUnitRight(): Arb<suspend () -> Either<Any, Unit>> =58 unit().map { suspend { it.right() } }59fun Arb.Companion.suspendFunThatReturnsAnyRight(): Arb<suspend () -> Either<Any, Any>> =60 any().map { suspend { it.right() } }61fun Arb.Companion.suspendFunThatReturnsAnyLeft(): Arb<suspend () -> Either<Any, Any>> =62 any().map { suspend { it.left() } }63fun Arb.Companion.suspendFunThatThrows(): Arb<suspend () -> Either<Any, Any>> =64 throwable().map { suspend { throw it } } as Arb<suspend () -> Either<Any, Any>>65fun Arb.Companion.suspendFunThatThrowsFatalThrowable(): Arb<suspend () -> Either<Any, Any>> =66 fatalThrowable().map { suspend { throw it } } as Arb<suspend () -> Either<Any, Any>>67fun Arb.Companion.throwable(): Arb<Throwable> =68 element(69 Exception(),70 RuntimeException(),71 IllegalArgumentException(),72 IllegalStateException(),73 IndexOutOfBoundsException(),74 UnsupportedOperationException(),75 ArithmeticException(),76 NumberFormatException(),77 NullPointerException(),78 ClassCastException(),79 AssertionError(),80 NoSuchElementException(),81 ConcurrentModificationException()82 )83fun Arb.Companion.fatalThrowable(): Arb<Throwable> =84 element(85 MyVirtualMachineError(),86 ThreadDeath(),87 InterruptedException(),88 LinkageError()89 )90class MyVirtualMachineError : VirtualMachineError()91fun Arb.Companion.any(): Arb<Any> =92 choice(93 string() as Arb<Any>,94 int() as Arb<Any>,95 short() as Arb<Any>,96 long() as Arb<Any>,97 float() as Arb<Any>,98 double() as Arb<Any>,99 bool() as Arb<Any>,100 byte() as Arb<Any>,101 uuid() as Arb<Any>,102 file() as Arb<Any>,103 localDate() as Arb<Any>,104 localTime() as Arb<Any>,105 localDateTime() as Arb<Any>,106 period() as Arb<Any>,107 throwable() as Arb<Any>,108 fatalThrowable() as Arb<Any>,109 mapOfStringAndStringGenerator() as Arb<Any>,110 uri() as Arb<Any>,111 httpMethod() as Arb<Any>,112 unit() as Arb<Any>113 )114fun Arb.Companion.unit(): Arb<Unit> =115 create { Unit }116fun Arb.Companion.mapOfStringAndStringGenerator(): Arb<Map<String, String>> =117 element(118 listOf(119 emptyMap(),120 mapOf(121 string().next() to string().next()122 ),123 mapOf(124 string().next() to string().next(),125 string().next() to string().next()126 ),127 mapOf(128 string().next() to string().next(),129 string().next() to string().next(),130 string().next() to string().next()131 ),132 mapOf(133 string().next() to string().next(),134 string().next() to string().next(),135 string().next() to string().next(),136 string().next() to string().next(),137 string().next() to string().next(),138 string().next() to string().next()139 ),140 mapOf(141 string().next() to string().next(),142 string().next() to string().next(),143 string().next() to string().next(),144 string().next() to string().next(),145 string().next() to string().next(),146 string().next() to string().next(),147 string().next() to string().next(),148 string().next() to string().next(),149 string().next() to string().next(),150 string().next() to string().next(),151 string().next() to string().next(),152 string().next() to string().next()153 ),154 mapOf(155 string().next() to string().next(),156 string().next() to string().next(),157 string().next() to string().next(),158 string().next() to string().next(),159 string().next() to string().next(),160 string().next() to string().next(),161 string().next() to string().next(),162 string().next() to string().next(),163 string().next() to string().next(),164 string().next() to string().next(),165 string().next() to string().next(),166 string().next() to string().next(),167 string().next() to string().next(),168 string().next() to string().next(),169 string().next() to string().next(),170 string().next() to string().next(),171 string().next() to string().next(),172 string().next() to string().next(),173 string().next() to string().next(),174 string().next() to string().next(),175 string().next() to string().next(),176 string().next() to string().next(),177 string().next() to string().next(),178 string().next() to string().next()179 )180 )181 )182fun Arb.Companion.uri(): Arb<URI> =183 element(184 listOf(185 URI.create("https://sparetimedevs.com"),186 URI.create("https://www.sparetimedevs.com"),187 URI.create("https://something.sparetimedevs.com"),188 URI.create("https://something.sparetimedevs.com/another/thing"),189 URI.create("https://something.sparetimedevs.com/another/thing?query=param")190 )191 )192fun Arb.Companion.httpMethod(): Arb<HttpMethod> =...
RoomsKtTest.kt
Source:RoomsKtTest.kt
...19import org.jetbrains.exposed.sql.insert20import org.jetbrains.exposed.sql.select21import org.jetbrains.exposed.sql.selectAll22import org.jetbrains.exposed.sql.transactions.transaction23import kotlin.random.nextInt24val directionSets = Arb.set(Arb.enum<Direction>(), 0..Direction.values().size)25val rotations = Exhaustive.ints(0..3).map { it.toShort() }26val invalidRotationValues = (Short.MIN_VALUE..Short.MAX_VALUE) - (0..3)27val invalidRotations = arbitrary(listOf(Short.MIN_VALUE, -1, 4, Short.MAX_VALUE), ShortShrinker) {28 it.random.nextInt(invalidRotationValues.indices).let { i -> invalidRotationValues[i] }.toShort()29}30class RoomsKtTest : DescribeSpec({31 useDatabase()32 describe("returnRoomToStack") {33 it("returns to empty stack") {34 transaction {35 val gameId = "ABCDEF"36 val stackId =37 RoomStacks.insert {38 it[this.gameId] = gameId39 it[curIndex] = null40 it[flipped] = false41 } get RoomStacks.id42 val roomId =...
SnowflakeTest.kt
Source:SnowflakeTest.kt
...13import io.kotest.property.checkAll14import io.kotest.property.exhaustive.azstring15import org.tesserakt.diskordin.core.data.Snowflake.ConstructionError.LessThenDiscordEpoch16import org.tesserakt.diskordin.core.data.Snowflake.ConstructionError.NotNumber17import kotlin.random.nextLong18private const val MIN_SNOWFLAKE = 4194305L19@ExperimentalUnsignedTypes20class SnowflakeTest : FunSpec() {21 private val snowflakes = arbitrary { it.random.nextLong(MIN_SNOWFLAKE..Long.MAX_VALUE) }22 init {23 test("Snowflake.toString should return number in string") {24 checkAll(snowflakes) {25 it.asSnowflake().toString() shouldBe "$it"26 }27 }28 context("Non-safe converts should throw errors comparing their rules") {29 test("String, that hasn't digits") {30 checkAll(Exhaustive.azstring(1..30)) {31 shouldThrow<IllegalArgumentException> {32 it.asSnowflake()33 }.message shouldEndWith "cannot be represented as Snowflake"34 }35 }36 test("Number, that less then 0") {37 checkAll(Arb.long(max = 0).filter { it < 0 }) {38 shouldThrow<IllegalArgumentException> {39 it.asSnowflake()40 }.message shouldBe "id must be greater than 0"41 }42 }43 test("Number, that less then $MIN_SNOWFLAKE") {44 checkAll(arbitrary { it.random.nextLong(MIN_SNOWFLAKE) }) {45 shouldThrow<IllegalArgumentException> {46 it.asSnowflake()47 }.message shouldBe "id must be greater than ${MIN_SNOWFLAKE - 1}"48 }49 }50 }51 context("Safe converts should wrap error in data-type") {52 test("Non-digit string should produce NotANumber") {53 checkAll(Exhaustive.azstring(1..30)) {54 val snowflake = it.asSnowflakeEither()55 snowflake.shouldBeLeft() shouldBe NotNumber56 }57 }58 test("Numbers, that less than $MIN_SNOWFLAKE") {59 checkAll(arbitrary { it.random.nextLong(MIN_SNOWFLAKE) }) {60 val snowflake = it.toString().asSnowflakeEither()61 snowflake.shouldBeLeft() shouldBe LessThenDiscordEpoch62 }63 }64 test("Right snowflake should unwrap without errors") {65 checkAll(snowflakes) { it.toString().asSnowflakeEither().shouldBeRight() }66 }67 }68 }69}...
CoroutineTransactionalApplicationTests.kt
Source:CoroutineTransactionalApplicationTests.kt
...12import io.kotest.matchers.booleans.shouldBeTrue13import io.kotest.property.Arb14import io.kotest.property.arbitrary.arbitrary15import io.kotest.property.arbitrary.bool16import io.kotest.property.arbitrary.next17import io.kotest.property.arbitrary.string18import io.kotest.property.arbitrary.uuid19import io.kotest.property.checkAll20import org.springframework.beans.factory.annotation.Autowired21import org.springframework.test.context.ContextConfiguration22@ContextConfiguration(classes = [PersistenceConfiguration::class])23class CoroutineTransactionalApplicationTests : StringSpec() {24 @Autowired25 lateinit var bookService: BookService26 @Autowired27 lateinit var jpaAuthorRepository: JPAAuthorRepository28 @Autowired29 lateinit var jpaBookRepository: JPABookRepository30 override fun extensions() = listOf(SpringExtension)31 init {32 "validate @Transactional commit/rollback behaviour when using coroutine" {33 val bookGenerator = arbitrary { rs ->34 BookDefinition(35 id = Arb.uuid().next(rs).toString(),36 isbn = Arb.string().next(rs),37 title = Arb.string().next(rs),38 author = AuthorDefinition(39 id = Arb.uuid().next(rs).toString(),40 name = Arb.uuid().next(rs).toString(),41 )42 )43 }44 checkAll(bookGenerator, Arb.bool()) { book, shouldThrows ->45 if (shouldThrows) {46 shouldThrowAny { bookService.publish(book, shouldThrows) }47 jpaAuthorRepository.existsById(book.author.id).shouldBeFalse()48 jpaBookRepository.existsById(book.id).shouldBeFalse()49 } else {50 bookService.publish(book, shouldThrows)51 jpaAuthorRepository.existsById(book.author.id).shouldBeTrue()52 jpaBookRepository.existsById(book.id).shouldBeTrue()53 }54 }...
CategoryRepositoryUpdateSpec.kt
Source:CategoryRepositoryUpdateSpec.kt
...4import io.kotest.core.spec.style.StringSpec5import io.kotest.matchers.shouldBe6import io.kotest.property.Arb7import io.kotest.property.arbitrary.chunked8import io.kotest.property.arbitrary.next9import io.kotest.property.arbitrary.single10import io.kotest.property.arbitrary.string11import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest12import org.springframework.data.jpa.repository.config.EnableJpaAuditing13import org.springframework.transaction.TransactionSystemException14import org.springframework.transaction.annotation.Propagation15import org.springframework.transaction.annotation.Transactional16@EnableJpaAuditing17@Transactional(propagation = Propagation.NOT_SUPPORTED)18@DataJpaTest(19 showSql = true,20 properties = [21 "spring.flyway.enabled=false",22 "spring.jpa.hibernate.ddl-auto=create"23 ]24)25class CategoryRepositoryUpdateSpec(26 private val categoryRepository: CategoryRepository27) : StringSpec() {28 init {29 "ID를 íµí Category ìì ì±ê³µ Test" {30 val targetName = "changed"31 val categoryChildren = Mock.category().chunked(10, 10).single()32 val targetCategory = Mock.category(children = categoryChildren).single()33 val savedCategory = categoryRepository.save(targetCategory)34 savedCategory.name = targetName35 val updatedCategory = categoryRepository.save(savedCategory)36 updatedCategory.name shouldBe targetName37 categoryRepository.deleteById(savedCategory.id!!)38 }39 "ID를 íµí Category ìì ì Name ê¸ì ì ì´ê³¼ ì¤í¨ Test" {40 val targetName = Arb.string(100, 100).next()41 val targetCategory = Mock.category().single()42 val savedCategory = categoryRepository.save(targetCategory)43 savedCategory.name = targetName44 shouldThrow<TransactionSystemException> {45 categoryRepository.save(savedCategory)46 }47 categoryRepository.deleteById(savedCategory.id!!)48 }49 }50}...
RestaurantItemArb.kt
Source:RestaurantItemArb.kt
...22import io.kotest.property.arbitrary.int23import io.kotest.property.arbitrary.list24import io.kotest.property.arbitrary.localDate25import io.kotest.property.arbitrary.long26import io.kotest.property.arbitrary.next27import io.kotest.property.arbitrary.orNull28import io.kotest.property.arbitrary.string29val restaurantItemArb = arbitrary {30 RestaurantItem(31 Arb.int(1, 100).next(),32 Arb.localDate().next(),33 Arb.enum<Period>().next(),34 Arb.long().orNull(0.1).next(),35 Arb.string(minSize = 1).next(),36 Arb.string(minSize = 1).next(),37 Arb.string(minSize = 1).next(),38 Arb.list(Arb.string(minSize = 1)).next(),39 Arb.string(minSize = 1).next(),40 Arb.string(1, 50).next()41 )42}...
Arb.kt
Source:Arb.kt
...6import 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}...
Mock.kt
Source:Mock.kt
1package com.gaveship.category2import com.gaveship.category.domain.model.Category3import io.kotest.property.Arb4import io.kotest.property.arbitrary.arbitrary5import io.kotest.property.arbitrary.next6import io.kotest.property.arbitrary.string7import java.time.LocalDateTime8object Mock {9 fun category(10 id: Long? = null,11 name: String? = null,12 children: List<Category>? = null,13 ) = arbitrary {14 Category(15 id = id,16 name = name ?: Arb.string(0, 50).next(it),17 createdDate = LocalDateTime.now(),18 modifiedDate = LocalDateTime.now(),19 children = children20 )21 }22}...
next
Using AI Code Generation
1import io.kotest.property.arbitrary.*2import io.kotest.property.*3import io.kotest.assertions.*4import io.kotest.assertions.arrow.*5import io.kotest.assertions.asClue.*6import io.kotest.assertions.json.*7import io.kotest.assertions.throwables.*8import io.kotest.assertions.timing.*9import io.kotest.assertions.withClue.*10import io.kotest.assertions.show.*11import io.kotest.assertions.show.show.*12import io.kotest.assertions.show.showAll.*13import io.kotest.assertions.show.showOnly.*14import io.kotest.assertions.show.showWith.*15import io.kotest.assertions.show.showWithDefault.*16import io.kotest.assertions.show.showWithNull.*17import io.kotest.assertions.show.showWithToString.*18import io.kotest.assertions.show.showWithTruncated.*
next
Using AI Code Generation
1import io.kotest.property.arbitrary.*2import io.kotest.property.*3import io.kotest.assertions.*4import io.kotest.matchers.*5import io.kotest.matchers.comparables.*6import io.kotest.matchers.doubles.*7import io.kotest.matchers.either.*8import io.kotest.matchers.endwith.*9import io.kotest.matchers.equality.*10import io.kotest.matchers.files.*11import io.kotest.matchers.ints.*12import io.kotest.matchers.longs.*13import io.kotest.matchers.maps.*14import io.kotest.matchers.maps.containkey.*15import io.kotest.matchers.maps.containvalue.*16import io.kotest.matchers.maps.containinorder.*17import io.kotest.matchers.maps.containinorderentries.*18import io.kotest.matchers.maps.containinorderkeys.*
next
Using AI Code Generation
1import io.kotest.property.arbitrary.*2import io.kotest.property.*3import io.kotest.core.spec.style.*4import io.kotest.core.spec.*5import io.kotest.core.test.*6import io.kotest.core.*7import io.kotest.assertions.*8import io.kotest.assertions.arrow.core.*9import io.kotest.assertions.arrow.either.*10import io.kotest.assertions.arrow.option.*11import io.kotest.assertions.arrow.validated.*12import io.kotest.assertions.collections.*13import io.kotest.assertions.compare.*14import io.kotest.assertions.eq.*15import io.kotest.assertions.json.*16import io.kotest.assertions.show.*17import io.kotest.assertions.throwable.*18import io.kotest.assertions.timing.*19import io.kotest.assertions.withClue.*20import io.kotest.assertions.timing.*
next
Using AI Code Generation
1@JvmName("nextArbitrary")2fun <A> Gen.Companion.nextArbitrary(): Gen<A> = arbitrary()3@JvmName("nextProperty")4fun <A> Gen.Companion.nextProperty(): Gen<A> = property()5@JvmName("nextAssertions")6fun <A> Gen.Companion.nextAssertions(): Gen<A> = assertions()7@JvmName("nextMatchers")8fun <A> Gen.Companion.nextMatchers(): Gen<A> = matchers()9@JvmName("nextProperty")10fun <A> Gen.Companion.nextProperty(): Gen<A> = property()11@JvmName("nextMatchers")12fun <A> Gen.Companion.nextMatchers(): Gen<A> = matchers()13@JvmName("nextAssertions")14fun <A> Gen.Companion.nextAssertions(): Gen<A> = assertions()15@JvmName("nextMatchers")16fun <A> Gen.Companion.nextMatchers(): Gen<A> = matchers()17@JvmName("nextAssertions")18fun <A> Gen.Companion.nextAssertions(): Gen<A> = assertions()19@JvmName("nextMatchers")20fun <A> Gen.Companion.nextMatchers(): Gen<A> = matchers()21@JvmName("nextAssertions")22fun <A> Gen.Companion.nextAssertions(): Gen<A> = assertions()23@JvmName("nextMatchers")24fun <A> Gen.Companion.nextMatchers(): Gen<A> = matchers()25@JvmName("nextAssertions")26fun <A> Gen.Companion.nextAssertions(): Gen<A> = assertions()27@JvmName("nextMatchers")
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