How to use matchers class of io.kotest.matchers.throwable package

Best Kotest code snippet using io.kotest.matchers.throwable.matchers

matchers.kt

Source:matchers.kt

...3import io.kotest.assertions.throwables.shouldThrowAny4import io.kotest.assertions.throwables.shouldThrowExactly5import io.kotest.core.spec.style.DescribeSpec6import io.kotest.core.test.AssertionMode7import io.kotest.matchers.booleans.shouldBeTrue8import io.kotest.matchers.collections.shouldBeIn9import io.kotest.matchers.collections.shouldBeOneOf10import io.kotest.matchers.collections.shouldBeSameSizeAs11import io.kotest.matchers.collections.shouldBeSingleton12import io.kotest.matchers.collections.shouldBeSmallerThan13import io.kotest.matchers.collections.shouldBeSorted14import io.kotest.matchers.collections.shouldBeUnique15import io.kotest.matchers.collections.shouldContain16import io.kotest.matchers.collections.shouldContainAll17import io.kotest.matchers.collections.shouldContainAnyOf18import io.kotest.matchers.collections.shouldContainDuplicates19import io.kotest.matchers.collections.shouldContainExactly20import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder21import io.kotest.matchers.collections.shouldContainInOrder22import io.kotest.matchers.collections.shouldContainNull23import io.kotest.matchers.collections.shouldEndWith24import io.kotest.matchers.collections.shouldHaveAtLeastSize25import io.kotest.matchers.collections.shouldHaveLowerBound26import io.kotest.matchers.collections.shouldHaveSingleElement27import io.kotest.matchers.collections.shouldHaveSize28import io.kotest.matchers.collections.shouldHaveUpperBound29import io.kotest.matchers.collections.shouldNotContainAnyOf30import io.kotest.matchers.collections.shouldNotHaveElementAt31import io.kotest.matchers.collections.shouldStartWith32import io.kotest.matchers.comparables.shouldBeEqualComparingTo33import io.kotest.matchers.comparables.shouldBeLessThanOrEqualTo34import io.kotest.matchers.date.shouldBeToday35import io.kotest.matchers.date.shouldHaveSameHoursAs36import io.kotest.matchers.doubles.Percentage37import io.kotest.matchers.doubles.beNaN38import io.kotest.matchers.doubles.plusOrMinus39import io.kotest.matchers.doubles.shouldBeNaN40import io.kotest.matchers.doubles.shouldNotBeNaN41import io.kotest.matchers.equality.shouldBeEqualToComparingFields42import io.kotest.matchers.equality.shouldBeEqualToComparingFieldsExcept43import io.kotest.matchers.equality.shouldBeEqualToIgnoringFields44import io.kotest.matchers.equality.shouldBeEqualToUsingFields45import io.kotest.matchers.file.shouldBeADirectory46import io.kotest.matchers.file.shouldBeAbsolute47import io.kotest.matchers.file.shouldExist48import io.kotest.matchers.file.shouldNotBeEmpty49import io.kotest.matchers.ints.beOdd50import io.kotest.matchers.ints.shouldBeBetween51import io.kotest.matchers.ints.shouldBeInRange52import io.kotest.matchers.ints.shouldBeLessThan53import io.kotest.matchers.ints.shouldBeLessThanOrEqual54import io.kotest.matchers.ints.shouldBeOdd55import io.kotest.matchers.ints.shouldBePositive56import io.kotest.matchers.ints.shouldBeZero57import io.kotest.matchers.iterator.shouldBeEmpty58import io.kotest.matchers.iterator.shouldHaveNext59import io.kotest.matchers.maps.shouldBeEmpty60import io.kotest.matchers.maps.shouldContain61import io.kotest.matchers.maps.shouldContainAll62import io.kotest.matchers.maps.shouldContainExactly63import io.kotest.matchers.maps.shouldContainKey64import io.kotest.matchers.nulls.shouldBeNull65import io.kotest.matchers.nulls.shouldNotBeNull66import io.kotest.matchers.shouldBe67import io.kotest.matchers.shouldNot68import io.kotest.matchers.shouldNotBe69import io.kotest.matchers.string.beEmpty70import io.kotest.matchers.string.shouldBeBlank71import io.kotest.matchers.string.shouldBeEmpty72import io.kotest.matchers.string.shouldBeEqualIgnoringCase73import io.kotest.matchers.string.shouldBeInteger74import io.kotest.matchers.string.shouldBeLowerCase75import io.kotest.matchers.string.shouldBeUpperCase76import io.kotest.matchers.string.shouldContain77import io.kotest.matchers.string.shouldContainADigit78import io.kotest.matchers.string.shouldContainIgnoringCase79import io.kotest.matchers.string.shouldContainOnlyDigits80import io.kotest.matchers.string.shouldContainOnlyOnce81import io.kotest.matchers.string.shouldEndWith82import io.kotest.matchers.string.shouldHaveLength83import io.kotest.matchers.string.shouldHaveLineCount84import io.kotest.matchers.string.shouldHaveMaxLength85import io.kotest.matchers.string.shouldHaveMinLength86import io.kotest.matchers.string.shouldHaveSameLengthAs87import io.kotest.matchers.string.shouldMatch88import io.kotest.matchers.string.shouldNotBeEmpty89import io.kotest.matchers.string.shouldStartWith90import io.kotest.matchers.throwable.shouldHaveCause91import io.kotest.matchers.throwable.shouldHaveCauseInstanceOf92import io.kotest.matchers.throwable.shouldHaveCauseOfType93import io.kotest.matchers.throwable.shouldHaveMessage94import io.kotest.matchers.types.shouldBeInstanceOf95import io.kotest.matchers.types.shouldBeSameInstanceAs96import io.kotest.matchers.types.shouldBeTypeOf97import io.kotest.matchers.uri.shouldHaveHost98import io.kotest.matchers.uri.shouldHavePort99import io.kotest.matchers.uri.shouldHaveScheme100import java.io.File101import java.net.URI102import java.time.LocalDate103import java.time.LocalTime104// https://kotest.io/docs/assertions/core-matchers.html105class MatchersTest : DescribeSpec({106    describe("general") {107        it("basics") {108            (1 == 1).shouldBeTrue()109            (2 + 2) shouldBe 4110            val foo: Any = "foobar"111            foo.shouldBeTypeOf<String>() shouldContain "fo"112            "".shouldBeEmpty()113            "x".shouldNot(beEmpty()) // manually negate114            "x".shouldNotBeEmpty() // reusable115            URI("https://tba") shouldHaveHost "tba"116            URI("https://tba:81") shouldHavePort 81117            URI("https://tba") shouldHaveScheme "https"118            File("/").apply {...

BroLoggerTest.kt

Source:BroLoggerTest.kt

1package sh.brocode.brolog2import io.kotest.assertions.assertSoftly3import io.kotest.core.spec.style.FunSpec4import io.kotest.matchers.nulls.shouldBeNull5import io.kotest.matchers.nulls.shouldNotBeNull6import io.kotest.matchers.shouldBe7import io.kotest.matchers.string.shouldStartWith8class BroLoggerTest : FunSpec() {9    class TestLogger : BroLogger(10        loggerName = "test",11        logLevel = LogLevel.TRACE,12    ) {13        var lastEntry: LogEntry? = null14        override fun write(entry: LogEntry) {15            lastEntry = entry16        }17    }18    companion object {19        val logger = TestLogger()20    }21    init {...

ThrowableSnapshotMatchersTest.kt

Source:ThrowableSnapshotMatchersTest.kt

1package net.torommo.logspy.matchers2import io.kotest.core.spec.style.FreeSpec3import io.kotest.matchers.should4import io.kotest.matchers.shouldBe5import io.kotest.matchers.string.contain6import io.kotest.matchers.string.shouldContain7import net.torommo.logspy.matchers.ThrowableSnapshotMatchers.Companion.cause8import net.torommo.logspy.matchers.ThrowableSnapshotMatchers.Companion.message9import net.torommo.logspy.matchers.ThrowableSnapshotMatchers.Companion.stack10import net.torommo.logspy.matchers.ThrowableSnapshotMatchers.Companion.suppressed11import net.torommo.logspy.matchers.ThrowableSnapshotMatchers.Companion.type12internal class ThrowableSnapshotMatchersTest : FreeSpec() {13    init {14        "message matcher" - {15            "has a readable description" - {16                message(AlwaysMatchMatcher(description = "test")).description() should17                    contain("message test")18            }19            "matches when provided matcher matches" - {20                message(AlwaysMatchMatcher()).matches(throwable()) shouldBe true21            }22            "does not match when provided does not match" - {23                message(NeverMatchMatcher()).matches(throwable()) shouldBe false24            }25            "has a readable mismatch description" - {...

helloSpec.kt

Source:helloSpec.kt

2import io.kotest.assertions.print.print3import io.kotest.assertions.throwables.shouldThrow4import io.kotest.assertions.withClue5import io.kotest.core.spec.style.DescribeSpec6import io.kotest.matchers.Matcher7import io.kotest.matchers.MatcherResult8import io.kotest.matchers.shouldBe9import io.kotest.matchers.shouldNot10import io.kotest.matchers.throwable.shouldHaveMessage11import java.time.LocalDate12class HelloSpec : DescribeSpec({13    describe("hello") {14        it("should compare strings") {15            // given:16            val name = "planet"17            // when/then:18            "hello, $name!".shouldBe("hello, world!")19        }20        it("should have a clue and compare strings") {21            withClue("should be string '1'") {22                1.shouldBe("1")23            }24        }25        it("should have exception assertion") {26            shouldThrow<IllegalStateException> {27                error("error message")28            }.shouldHaveMessage("error message")29        }30        it("should format values for assertion error messages") {31            println(1.print())32            println("1".print())33            println(true.print())34            println(null.print())35            println("".print())36            println(listOf(1, 2, 3).print())37            println(listOf(1, 2, listOf(3, 4, listOf(5, 6))).print())38            println(LocalDate.parse("2020-01-02").print())39            data class AvroProduct(val name: String)40            data class Product(val name: String)41            listOf(1, 2).shouldBe(arrayOf(1, 2))42            Product("foo").shouldBe(AvroProduct("foo"))43        }44        it("should use custom matcher") {45            fun containFoo() = object : Matcher<String> {46                override fun test(value: String) = MatcherResult(47                    value.contains("foo"),48                    { "String '$value' should include 'foo'" },49                    { "String '$value' should not include 'foo'" }50                )51            }52            "hello foo".shouldNot(containFoo())53            "hello bar".shouldNot(containFoo())54        }55    }56})57/*58use soft assertions to group assertions.59```60assertSoftly(foo) {61  shouldNotEndWith("b")62  length.shouldBe(3)63}64custom matchers65```66interface Matcher<in T> {67  fun test(value: T): MatcherResult68}69```70*/...

SetKeyTest.kt

Source:SetKeyTest.kt

1package dev.madetobuild.typedconfig.runtime.key2import dev.madetobuild.typedconfig.runtime.ParseException3import dev.madetobuild.typedconfig.runtime.source.Source4import io.kotest.assertions.throwables.shouldThrow5import io.kotest.matchers.should6import io.kotest.matchers.shouldBe7import io.kotest.matchers.throwable.shouldHaveCauseInstanceOf8import io.kotest.matchers.throwable.shouldHaveMessage9import io.mockk.every10import io.mockk.impl.annotations.MockK11import io.mockk.junit5.MockKExtension12import org.junit.jupiter.api.Test13import org.junit.jupiter.api.extension.ExtendWith14@ExtendWith(MockKExtension::class)15internal class SetKeyTest {16    @MockK17    lateinit var source: Source18    @Test19    fun canParseSetOfInts() {20        every { source.getList(any()) } returns listOf("1", "2", "3")21        val setKey = ListKey("setKey", source, null, emptyList()) { IntegerKey.parse(it) }22            .asSet()...

ListKeyTest.kt

Source:ListKeyTest.kt

1package dev.madetobuild.typedconfig.runtime.key2import dev.madetobuild.typedconfig.runtime.ParseException3import dev.madetobuild.typedconfig.runtime.source.Source4import io.kotest.assertions.throwables.shouldThrow5import io.kotest.matchers.should6import io.kotest.matchers.shouldBe7import io.kotest.matchers.throwable.shouldHaveCauseInstanceOf8import io.kotest.matchers.throwable.shouldHaveMessage9import io.mockk.every10import io.mockk.impl.annotations.MockK11import io.mockk.junit5.MockKExtension12import org.junit.jupiter.api.Test13import org.junit.jupiter.api.extension.ExtendWith14@ExtendWith(MockKExtension::class)15internal class ListKeyTest {16    @MockK17    lateinit var source: Source18    @Test19    fun canParseListOfInts() {20        every { source.getList(any()) } returns listOf("1", "2", "3")21        val listKey = ListKey("listKey", source, null, emptyList()) { IntegerKey.parse(it) }22        listKey.resolve() shouldBe listOf(1, 2, 3)...

FoldTest.kt

Source:FoldTest.kt

1package dev.helk2import io.kotest.matchers.shouldBe3import io.kotest.matchers.types.shouldBeSameInstanceAs4import org.junit.jupiter.api.Test5internal class FoldTest {6    @Test7    fun `when completable future succeed`() {8        Future { "a successfully completable future" }.fold(9            { throw RuntimeException("error") },10            { "$it folded" }11        ).join() shouldBe "a successfully completable future folded"12    }13    @Test14    fun `when completable future fails`() {15        try {16            Future<String> { throw TestError() }.fold(17                { throw AnotherTestError(it) },...

MaskedThrowableProxyTest.kt

Source:MaskedThrowableProxyTest.kt

1package no.nav.personbruker.dittnav.varselbestiller.logging2import ch.qos.logback.classic.spi.ThrowableProxy3import ch.qos.logback.classic.spi.ThrowableProxyUtil4import io.kotest.matchers.string.shouldContain5import io.kotest.matchers.string.shouldNotContain6import no.nav.personbruker.dittnav.varselbestiller.logging.MaskedThrowableProxy.Companion.mask7import org.junit.jupiter.api.Test8import java.io.IOException9class MaskedThrowableProxyTest {10    @Test11    fun `sjekk at maskering av fodselsnummer skjer ved kastet feil`() {12        val sensitiveException = RuntimeException(13            FNR,14            IllegalArgumentException(15                FNR,16                Exception(FNR)17            )18        )19        sensitiveException.addSuppressed(...

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