How to use compare method of io.kotest.engine.spec.FailureFirstSorter class

Best Kotest code snippet using io.kotest.engine.spec.FailureFirstSorter.compare

sorters.kt

Source: sorters.kt Github

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...5import java.nio.file.Paths6import kotlin.reflect.KClass7actual class FailureFirstSorter : SpecSorter {8 private val path = Paths.get(".kotest").resolve("spec_failures")9 override fun compare(a: KClass<out Spec>, b: KClass<out Spec>): Int {10 /​/​ try to locate a folder called .kotest which should contain a file called spec_failures11 /​/​ each line in this file is a failed spec and they should run first12 /​/​ if the file doesn't exist then we just execute in Lexico order13 return if (path.toFile().exists()) {14 val classnames = path.toFile().readLines()15 val afailed = classnames.contains(a.qualifiedName)16 val bfailed = classnames.contains(b.qualifiedName)17 return when {18 afailed && bfailed -> LexicographicSpecSorter.compare(a, b)19 afailed -> -120 bfailed -> 121 else -> LexicographicSpecSorter.compare(a, b)22 }23 } else {24 LexicographicSpecSorter.compare(a, b)25 }26 }27}28actual object AnnotatedSpecSorter : SpecSorter {29 override fun compare(a: KClass<out Spec>, b: KClass<out Spec>): Int {30 val orderValueA = a.annotation<Order>()?.value ?: Int.MAX_VALUE31 val orderValueB = b.annotation<Order>()?.value ?: Int.MAX_VALUE32 return orderValueA.compareTo(orderValueB)33 }34}...

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FailureFirstSorter.kt

Source: FailureFirstSorter.kt Github

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1package io.kotest.engine.spec2import io.kotest.core.spec.Spec3import kotlin.reflect.KClass4actual class FailureFirstSorter : SpecSorter {5 override fun compare(a: KClass<out Spec>, b: KClass<out Spec>): Int = 06}7/​**8 * An implementation of [SpecExecutionOrder] which will order specs based on the integer9 * value of the [Order] annotation. If the annotation is not present, then that spec is10 * assumed to have a [Int.MAX_VALUE] default value.11 *12 * Note: Runtime annotations are not supported on Native or JS so on those platforms13 * this sort order is a no-op.14 */​15actual object AnnotatedSpecSorter : SpecSorter {16 override fun compare(a: KClass<out Spec>, b: KClass<out Spec>): Int = 017}...

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failureFirstSort.kt

Source: failureFirstSort.kt Github

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1package io.kotest.engine.spec2import io.kotest.core.spec.Spec3import kotlin.reflect.KClass4actual class FailureFirstSorter : SpecSorter {5 override fun compare(a: KClass<out Spec>, b: KClass<out Spec>): Int = 06}7actual object AnnotatedSpecSorter : SpecSorter {8 override fun compare(a: KClass<out Spec>, b: KClass<out Spec>): Int = 09}...

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compare

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1class FailureFirstSorterTest : FunSpec() {2 init {3 test("compare method of FailureFirstSorter class should return 1 when first argument is null") {4 val failureFirstSorter = FailureFirstSorter()5 val result = failureFirstSorter.compare(null, null)6 }7 test("compare method of FailureFirstSorter class should return -1 when second argument is null") {8 val failureFirstSorter = FailureFirstSorter()9 val result = failureFirstSorter.compare(null, null)10 }11 test("compare method of FailureFirstSorter class should return 0 when both arguments are null") {12 val failureFirstSorter = FailureFirstSorter()13 val result = failureFirstSorter.compare(null, null)14 }15 test("compare method of FailureFirstSorter class should return 0 when both arguments are not null and have same status") {16 val failureFirstSorter = FailureFirstSorter()17 val result = failureFirstSorter.compare(18 }19 test("compare method of FailureFirstSorter class should return 1 when first argument is success and second argument is failure") {20 val failureFirstSorter = FailureFirstSorter()21 val result = failureFirstSorter.compare(22 }23 test("compare method of FailureFirstSorter class should return -1 when first argument is failure and second argument is success") {24 val failureFirstSorter = FailureFirstSorter()25 val result = failureFirstSorter.compare(26 }27 test("compare method of FailureFirstSorter class should return 1 when first argument is success and second argument is error") {28 val failureFirstSorter = FailureFirstSorter()29 val result = failureFirstSorter.compare(30 }31 test("compare method of FailureFirstSorter class should return -1 when first argument is error and second argument is success") {32 val failureFirstSorter = FailureFirstSorter()

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compare

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1 }2 fun test3() {3 println("test3")4 }5 fun test2() {6 println("test2")7 }8}

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compare

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1@TestInstance(TestInstance.Lifecycle.PER_CLASS)2class FailureFirstSorterTest {3 fun `test FailureFirstSorter with test classes`() {4 val testClasses = listOf(5 val sortedTestClasses = FailureFirstSorter.compare(testClasses)6 sortedTestClasses shouldContainExactlyInOrder listOf(7 }8 fun `test FailureFirstSorter with test classes with dependencies`() {9 val testClasses = listOf(10 val sortedTestClasses = FailureFirstSorter.compare(testClasses)11 sortedTestClasses shouldContainExactlyInOrder listOf(12 }13}14@TestInstance(TestInstance.Lifecycle.PER_CLASS)15class ClassWithTest1 : FunSpec() {16 init {17 test("test 1") {18 println("test 1")19 }20 }21}22@TestInstance(TestInstance.Lifecycle.PER_CLASS)23class ClassWithTest2 : FunSpec() {24 init {25 test("test 2") {26 println("test 2")27 }28 }29}30@TestInstance(TestInstance.Lifecycle.PER_CLASS)31class ClassWithTest3 : FunSpec() {32 init {33 test("test 3") {34 println("test 3")35 }36 }37}38@TestInstance(TestInstance.Lifecycle.PER_CLASS)39class ClassWithTest4 : FunSpec() {40 init {41 test("test 4") {42 println("test 4")43 }44 }45}46@TestInstance(TestInstance.Lifecycle.PER_CLASS)47class ClassWithTest5 : FunSpec() {48 init {

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compare

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1object FailureFirstSorter : Comparator<Spec> {2 override fun compare(o1: Spec, o2: Spec): Int {3 return when {4 }5 }6}7@Retention(AnnotationRetention.RUNTIME)8@Target(AnnotationTarget.CLASS)

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