How to use fail method of io.kotest.assertions.fail class

Best Kotest code snippet using io.kotest.assertions.fail.fail

ResolversTest.kt

Source:ResolversTest.kt

...50        }51        test("Boolean resolver") {52            val bad = Arb.string(0, 100)53            val good = listOf("true", "TRuE", "FalSe", "false").exhaustive()54            val (fail, success) = test(BooleanResolver(), bad, good, fakeContext)55            fail.shouldBeLeft() should beOfType<BooleanResolver.BooleanConversionError>()56            success.shouldBeRight() shouldContainInOrder listOf(true, true, false, false)57        }58        test("String resolver") {59            val bad = Arb.string(0..100)60            val good = Arb.string(0..100)61            val (fail, success) = test(StringResolver(), bad, good, fakeContext)62            fail.shouldBeRight()63            success.shouldBeRight()64        }65        test("Char resolver") {66            val bad = Arb.string(2..100)67            val good = Arb.stringPattern(".")68            val (fail, success) = test(CharResolver(), bad, good, fakeContext)69            fail.shouldBeLeft() shouldBe beOfType<CharResolver.LengthError>()70            success.shouldBeRight()71        }72        context("Number resolvers") {73            fun generateNumberValues(maxSize: Int) =74                Arb.stringPattern("-?\\d{1,$maxSize}")75            suspend fun <N : Number> generateAndTest(maxValue: N, resolver: TypeResolver<N, CommandContext>) {76                val length = BigDecimal(maxValue.toString()).toPlainString().length - 177                println("Next length is $length")78                val bad = Arb.string(0, length)79                val (fail, success) = test(resolver, bad, generateNumberValues(length), fakeContext)80                fail.shouldBeLeft()81                success.shouldBeRight()82            }83            test("Int") { generateAndTest(Int.MAX_VALUE, IntResolver()) }84            test("Long") { generateAndTest(Long.MAX_VALUE, LongResolver()) }85            test("Short") { generateAndTest(Short.MAX_VALUE, ShortResolver()) }86            test("Byte") { generateAndTest(Byte.MAX_VALUE, ByteResolver()) }87            test("Float") { generateAndTest(Float.MAX_VALUE, FloatResolver()) }88            test("Double") { generateAndTest(Double.MAX_VALUE, DoubleResolver()) }89            test("BigInteger") { generateAndTest(BigInteger.valueOf(10).pow(1024), BigIntegerResolver()) }90            test("BigDecimal") { generateAndTest(BigDecimal(10).pow(1024), BigDecimalResolver()) }91        }92    }93}...

KotestStringSpecTest.kt

Source:KotestStringSpecTest.kt

1package com.example.kotest2import com.example.logger3import io.kotest.assertions.fail4import io.kotest.core.extensions.Extension5import io.kotest.core.listeners.TestListener6import io.kotest.core.spec.Spec7import io.kotest.core.spec.style.StringSpec8import io.kotest.core.test.TestCase9import io.kotest.core.test.TestResult10import kotlin.reflect.KClass11class KotestStringSpecTest : StringSpec({12    val logger = logger<KotestStringSpecTest>()13    val list = mutableListOf<String>()14    fun add(item: String) {15        list.add(item)16    }17    add("init-1")18    logger.info("init 1, list: {}", list)19    "foo" {20        add("foo")21        logger.info("foo, list: {}", list)22    }23    add("init-2")24    logger.info("init 2, list: {}", list)25    "fail" {26        add("fail")27        logger.info("fail, list: {}", list)28        fail("fail, list: $list")29    }30    "bar" {31        add("bar")32        logger.info("bar, list: {}", list)33    }34})35class KotestStringSpecTest2: StringSpec() {36    private val logger = logger<KotestStringSpecTest2>()37    init {38        val list = mutableListOf<String>()39        fun add(item: String) {40            list.add(item)41        }42        add("init-1")43        logger.info("init 1, list: {}", list)44        "foo" {45            add("foo")46            logger.info("foo, list: {}", list)47        }48        add("init-2")49        logger.info("init 2, list: {}", list)50        "fail" {51            add("fail")52            logger.info("fail, list: {}", list)53            fail("fail, list: $list")54        }55        "bar" {56            add("bar")57            logger.info("bar, list: {}", list)58        }59    }60    override fun afterSpec(spec: Spec) {61        logger.info("afterSpec")62    }63    override fun afterTest(testCase: TestCase, result: TestResult) {64        logger.info("afterTest")65    }66    override fun beforeSpec(spec: Spec) {67        logger.info("beforeSpec")...

InMemoryHopRepositoryTest.kt

Source:InMemoryHopRepositoryTest.kt

...5import domain.quantities.PercentRange6import domain.quantities.QuantityRange7import fixtures.sampleHop8import io.kotest.assertions.assertSoftly9import io.kotest.assertions.fail10import io.kotest.core.spec.style.ShouldSpec11import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder12import io.kotest.matchers.maps.shouldHaveSize13import io.kotest.matchers.nulls.shouldNotBeNull14import io.kotest.matchers.shouldBe15import io.kotest.matchers.string.shouldNotBeBlank16class InMemoryHopRepositoryTest : ShouldSpec({17    val repoUnderTest = InMemoryHopRepository()18    beforeEach {19        repoUnderTest.clear()20    }21    should("find hop by name") {22        // Givent23        repoUnderTest.save(sampleHop)24        repoUnderTest.save(sampleHop.copy(name = "Cascade", similarTo = listOf("Citra")))25        repoUnderTest.save(sampleHop.copy(name = "Chinook", similarTo = listOf("Cascade", "Citra", "Chinook")))26        // When & Then27        repoUnderTest.findByName("Citra").shouldNotBeNull().apply {28            assertSoftly {29                name shouldBe "Citra"30                country.shouldContainExactlyInAnyOrder(Country.USA)31                alpha shouldBe PercentRange(10.0, 12.0)32                beta shouldBe PercentRange(3.5, 4.5)33                coH shouldBe PercentRange(22.0, 24.0)34                type.shouldContainExactlyInAnyOrder(HopType.AROMATIC, HopType.BITTERING)35                profile.shouldNotBeBlank()36                similarTo.shouldContainExactlyInAnyOrder("Cascade", "Centennial", "Chinook")37            }38        }39    }40    should("get all") {41        // Given42        repoUnderTest.save(sampleHop)43        repoUnderTest.save(sampleHop.copy(name = "Cascade", similarTo = listOf("Citra")))44        repoUnderTest.save(sampleHop.copy(name = "Chinook", similarTo = listOf("Cascade", "Citra", "Chinook")))45        // When46        val res = repoUnderTest.getAll()47        // Then48        res shouldHaveSize 349        res["CASCADE"] shouldBe Hop(50            name = "Cascade",51            country = listOf(Country.USA),52            alpha = PercentRange(from = 10.0, to = 12.0),53            beta = PercentRange(from = 3.5, to = 4.5),54            coH = PercentRange(from = 22.0, to = 24.0),55            oil = QuantityRange(from = 1.5, to = 3.0),56            type = listOf(HopType.BITTERING, HopType.AROMATIC),57            profile = "Agrumes, pamplemousse, fruit de la passion",58            similarTo = listOf("Citra"),59        )60    }61    should("find all similar hops") {62        // Given63        repoUnderTest.save(sampleHop)64        repoUnderTest.save(sampleHop.copy(name = "Cascade", similarTo = listOf("Citra")))65        repoUnderTest.save(sampleHop.copy(name = "Centennial", similarTo = emptyList()))66        repoUnderTest.save(sampleHop.copy(name = "Chinook", similarTo = listOf("Cascade", "Citra", "Centennial")))67        val rootHop = repoUnderTest.findByName("Chinook") ?: fail("initialization error")68        // When & Then69        repoUnderTest.findSimilar(rootHop).shouldContainExactlyInAnyOrder(70            repoUnderTest.findByName("Cascade"),71            repoUnderTest.findByName("Centennial"),72            repoUnderTest.findByName("Citra"),73        )74    }75})...

build.gradle.kts

Source:build.gradle.kts

...76        allWarningsAsErrors = true77    }78}79detekt {80    failFast = true // fail build on any finding81    buildUponDefaultConfig = true // preconfigure defaults82    config = files("$projectDir/config/detekt.yml")83}...

BeforeProcessLabelValidatorTest.kt

Source:BeforeProcessLabelValidatorTest.kt

1package mikufan.cx.vvd.downloader.component2import io.kotest.assertions.fail3import io.kotest.assertions.throwables.shouldNotThrowAnyUnit4import io.kotest.matchers.shouldBe5import io.kotest.matchers.string.shouldContainIgnoringCase6import mikufan.cx.vvd.common.exception.RuntimeVocaloidException7import mikufan.cx.vvd.downloader.model.VSongTask8import mikufan.cx.vvd.downloader.util.SpringBootDirtyTestWithTestProfile9import mikufan.cx.vvd.downloader.util.SpringShouldSpec10import org.jeasy.batch.core.record.Record11@SpringBootDirtyTestWithTestProfile(12  customProperties = [13    "io.input-directory=src/test/resources/2020å¹´Vå®¶æ°æ² with failing labels"14  ]15)16class BeforeProcessLabelValidatorFailureTest(17  val labelsReader: LabelsReader,18  val beforeProcessLabelValidator: BeforeProcessLabelValidator19) : SpringShouldSpec({20  val shouldFailValidationWith: Record<VSongTask>.(String) -> Unit = { containedString ->21    try {22      beforeProcessLabelValidator.processRecord(this)23      fail("fail to catch the no order validation error")24    } catch (e: RuntimeVocaloidException) {25      e.message shouldContainIgnoringCase containedString26    }27  }28  context("validating the read label") {29    should("not pass if missing an order") {30      val record1 = labelsReader.readRecord()!!31      record1.payload.label.order shouldBe 032      record1.shouldFailValidationWith("must be greater than or equal to 1")33    }34    should("not pass if has blank info file name") {35      val record2 = labelsReader.readRecord()!!36      record2.payload.label.order shouldBe 3737      record2.payload.label.infoFileName shouldBe " "...

LinearCodeTest.kt

Source:LinearCodeTest.kt

1import calculations.Matrix2import calculations.numMod3import codes.LinearCode4import io.kotest.assertions.fail5import io.kotest.assertions.withClue6import io.kotest.core.spec.style.StringSpec7import io.kotest.core.test.createTestName8import io.kotest.matchers.shouldBe9import java.util.*10class LinearCodeTest : StringSpec({11    val hamming74 = LinearCode(7, 4, Matrix(arrayOf(arrayOf(0, 1, 1, 1), arrayOf(1, 0, 1, 1), arrayOf(1, 1, 0, 1))))12    (0..5000).asSequence().forEach { index ->13        val infoWord = arrayOf(14            (index numMod 11) numMod 2,15            (index numMod 13) numMod 2,16            (index numMod 17) numMod 2,17            (index numMod 19) numMod 218        )19        "${infoWord.contentToString()} encoding decoding test" {20            val codeWord = hamming74.encode(infoWord)21            val noisyCodeWord =22                LinearCode.noisyChannelSimulation(23                    codeWord ?: fail("Encoding failed"),24                    probabilityOfFlipPerBit = 0.3,25                    maxFlippedBits = 126                )27            val decodedNoisyCodeWord = hamming74.decode(noisyCodeWord)28            createTestName(29                "${infoWord.contentToString()} encoding (encoded to: ${codeWord.contentToString()}) " +30                        "noising (noised to: ${noisyCodeWord.contentToString()}) decoding (decoded to: ${decodedNoisyCodeWord.contentToString()})test"31            )32            infoWord shouldBe decodedNoisyCodeWord33        }34    }35    "encoding" {36        withClue("(1,0,1,1) should be encoded to (1,0,1,1,0,1,0)") {37            hamming74.encode(...

NewPetsTest.kt

Source:NewPetsTest.kt

...29      newPet.name shouldBe petToCreate.name30    }31  }32  test("NewPets should not created is there is some errors in adapter") {33    val failNewPets = NewPets(PetEnvironment(object : PetRepository {34      override fun create(pet: Pet): Either<PetErrors, Pet> = Either.Left(CannotSavePetInDB)35    }, petProducer))36    val created = failNewPets.create(petToCreate)37    created.shouldBeLeft(CannotSavePetInDB)38  }39})...

DirectoryTests.kt

Source:DirectoryTests.kt

...6import io.kotest.matchers.collections.shouldNotBeEmpty7import io.kotest.matchers.nulls.shouldNotBeNull8import java.io.File9class DirectoryTests : FunSpec({10    test("A directory called '$exists' should not fail the instantiation of a Directory class") {11        shouldNotThrowAny {12            Directory(exists)13        }14    }15    test("A directory called '$existsNot' should fail the instantiation of a Directory class") {16        shouldThrow<IllegalArgumentException> {17            Directory(existsNot)18        }19    }20    test("A directory called '$create' should be created when instantiating Directory(path, true)") {21        shouldNotThrowAny {22            Directory(create, true)23        }24        File(create).exists().shouldBeTrue()25    }26    test("A directory called '$existsNot' should not fail the instantiation Directory(path, require = false)") {27        shouldNotThrowAny {28            Directory(existsNot, require = false)29        }30    }31    test("A directory called '$exists' should contain some files obtainable via Directory(path).list()") {32        val files: Array<String>? = shouldNotThrowAny {33            Directory(exists).list()34        }35        files.shouldNotBeNull()36        files.shouldNotBeEmpty()37    }38})...

fail

Using AI Code Generation

1fail("This is a failure message")2fail("This is a failure message")3fail("This is a failure message")4fail("This is a failure message")5assertSoftly {6fail("This is a failure message")7fail("This is a failure message")8fail("This is a failure message")9fail("This is a failur

fail

Using AI Code Generation

1fail("This is a failure message")2fail { "This is a failure message" }3fail(cause = Exception()) { "This is a failure message" }4fail(cause = Exception(), message = "This is a failure message")5fail(cause = Exception())6fail(cause = Exception()) { "This is a failure message" }7fail(cause = Exception()) { "This is a failure message" }8fail(cause = Exception()) { "This is a failure message" }9fail(cause = Exception(), message = "This is a failure message")10fail(cause = Exception())11fail(cause = Exception())12fail(cause = Exception(), message = "This is a failure message")13fail(cause = Exception())14fail(cause = Exception(), message = "This is a failure message")15fail(cause = Exception())16fail(cause = Exception(), message = "This is a failure message")

fail

Using AI Code Generation

1    fail("This is a failure")2    fail("This is a failure", cause = RuntimeException("This is a cause"))3    fail("This is a failure", cause = RuntimeException("This is a cause"), showStacktrace = true)4}5assertSoftly(block: suspend AssertionChecker.() -> Unit)6fun testAssertSoftly() {7    val list = listOf(1, 2, 3)8    assertSoftly {9    }10}11fun testAssertSoftly() {12    val list = listOf(1, 2, 3)13    assertSoftly {14    }15}

fail

Using AI Code Generation

1fun main() {2fail("This should fail")3}4fun main() {5fail("This should fail")6}7fun main() {8fail("This should fail")9}10fun main() {11fail("This should fail")12}13fun main() {14fail("This should fail")15}16fun main() {17fail("This should fail")18}19fun main() {20fail("This should fail")21}22fun main() {23fail("This should fail")24}25fun main() {26fail("This should fail")27}28fun main() {29fail("This should fail")30}31fun main() {32fail("This should fail")33}34fun main() {35fail("This should fail")36}37fun main() {38fail("This should fail")39}

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