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

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

FailingKotestAsserts.kt

Source:FailingKotestAsserts.kt

...13import io.kotest.assertions.json.*14import io.kotest.assertions.throwables.shouldThrowAny15import io.kotest.assertions.throwables.shouldThrowExactly16import io.kotest.assertions.withClue17import io.kotest.matchers.Matcher18import io.kotest.matchers.MatcherResult19import io.kotest.matchers.booleans.shouldBeFalse20import io.kotest.matchers.booleans.shouldBeTrue21import io.kotest.matchers.collections.shouldBeEmpty22import io.kotest.matchers.collections.shouldBeOneOf23import io.kotest.matchers.collections.shouldBeSameSizeAs24import io.kotest.matchers.collections.shouldBeSorted25import io.kotest.matchers.collections.shouldContain26import io.kotest.matchers.date.shouldBeAfter27import io.kotest.matchers.ints.shouldBeEven28import io.kotest.matchers.ints.shouldBeGreaterThan29import io.kotest.matchers.ints.shouldBeGreaterThanOrEqual30import io.kotest.matchers.ints.shouldBeLessThan31import io.kotest.matchers.ints.shouldBeLessThanOrEqual32import io.kotest.matchers.ints.shouldBeZero33import io.kotest.matchers.maps.shouldBeEmpty34import io.kotest.matchers.maps.shouldContain35import io.kotest.matchers.maps.shouldContainKey36import io.kotest.matchers.maps.shouldContainValue37import io.kotest.matchers.nulls.shouldBeNull38import io.kotest.matchers.should39import io.kotest.matchers.shouldBe40import io.kotest.matchers.shouldNot41import io.kotest.matchers.string.shouldBeBlank42import io.kotest.matchers.string.shouldBeEmpty43import io.kotest.matchers.string.shouldBeUpperCase44import io.kotest.matchers.string.shouldContain45import io.kotest.matchers.string.shouldNotBeBlank46import java.time.LocalDate47import org.junit.jupiter.api.Test48/**49 * Kotest assertions50 *51 * - [Kotest Assertions Documentation](https://kotest.io/assertions/)52 * - [Github](https://github.com/kotest/kotest/)53 */54class FailingKotestAsserts {55    @Test56    fun `General assertions`() {57        assertSoftly {58            "text" shouldBe "txet"59            "hi".shouldBeBlank()...

KotestAsserts.kt

Source:KotestAsserts.kt

...12import io.kotest.assertions.json.*13import io.kotest.assertions.throwables.shouldThrowAny14import io.kotest.assertions.throwables.shouldThrowExactly15import io.kotest.assertions.withClue16import io.kotest.matchers.Matcher17import io.kotest.matchers.MatcherResult18import io.kotest.matchers.booleans.shouldBeFalse19import io.kotest.matchers.booleans.shouldBeTrue20import io.kotest.matchers.collections.shouldBeEmpty21import io.kotest.matchers.collections.shouldBeOneOf22import io.kotest.matchers.collections.shouldBeSameSizeAs23import io.kotest.matchers.collections.shouldBeSorted24import io.kotest.matchers.collections.shouldContain25import io.kotest.matchers.date.shouldBeAfter26import io.kotest.matchers.ints.shouldBeEven27import io.kotest.matchers.ints.shouldBeGreaterThan28import io.kotest.matchers.ints.shouldBeGreaterThanOrEqual29import io.kotest.matchers.ints.shouldBeLessThan30import io.kotest.matchers.ints.shouldBeLessThanOrEqual31import io.kotest.matchers.ints.shouldBeZero32import io.kotest.matchers.maps.shouldBeEmpty33import io.kotest.matchers.maps.shouldContain34import io.kotest.matchers.maps.shouldContainKey35import io.kotest.matchers.maps.shouldContainValue36import io.kotest.matchers.nulls.shouldBeNull37import io.kotest.matchers.should38import io.kotest.matchers.shouldBe39import io.kotest.matchers.shouldNot40import io.kotest.matchers.string.shouldBeBlank41import io.kotest.matchers.string.shouldBeEmpty42import io.kotest.matchers.string.shouldBeUpperCase43import io.kotest.matchers.string.shouldContain44import io.kotest.matchers.string.shouldNotBeBlank45import java.time.LocalDate46import org.junit.jupiter.api.Test47/**48 * Kotest assertions49 *50 * - [Kotest Assertions Documentation](https://kotest.io/assertions/)51 * - [Github](https://github.com/kotest/kotest/)52 */53class KotestAsserts {54    @Test55    fun `General assertions`() {56        "text" shouldBe "text"57        " ".shouldBeBlank()58        "hi".shouldNotBeBlank()...

RoomsKtTest.kt

Source:RoomsKtTest.kt

1package com.tylerkindy.betrayal.db2import com.tylerkindy.betrayal.Direction3import io.kotest.assertions.throwables.shouldThrow4import io.kotest.core.spec.style.DescribeSpec5import io.kotest.matchers.collections.shouldBeEmpty6import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder7import io.kotest.matchers.should8import io.kotest.matchers.shouldBe9import io.kotest.property.Arb10import io.kotest.property.Exhaustive11import io.kotest.property.arbitrary.ShortShrinker12import io.kotest.property.arbitrary.arbitrary13import io.kotest.property.arbitrary.enum14import io.kotest.property.arbitrary.set15import io.kotest.property.checkAll16import io.kotest.property.exhaustive.ints17import io.kotest.property.exhaustive.map18import io.kotest.property.forAll19import org.jetbrains.exposed.sql.insert20import org.jetbrains.exposed.sql.select21import org.jetbrains.exposed.sql.selectAll22import org.jetbrains.exposed.sql.transactions.transaction...

VendedorTest.kt

Source:VendedorTest.kt

1package ar.edu.unahur.obj2.vendedores2import io.kotest.assertions.throwables.shouldThrowAny3import io.kotest.core.spec.style.DescribeSpec4import io.kotest.matchers.booleans.shouldBeFalse5import io.kotest.matchers.booleans.shouldBeTrue6import io.kotest.matchers.collections.shouldContain7import io.kotest.matchers.collections.shouldContainAll8import io.kotest.matchers.collections.shouldNotContain9import io.kotest.matchers.should10import io.kotest.matchers.shouldBe11class ComercioTest : DescribeSpec({12  val buenosAires = Provincia(15000000)13  val santaFe = Provincia(9000000)14  val cordoba = Provincia(12000000)15  val entreRios = Provincia(1500000)16  val chivilcoy = Ciudad(buenosAires)17  val bragado = Ciudad(buenosAires)18  val lobos = Ciudad(buenosAires)19  val pergamino = Ciudad(buenosAires)20  val zarate = Ciudad(buenosAires)21  val rosario = Ciudad(santaFe)22  val rafaela = Ciudad(santaFe)23  val sanFrancisco = Ciudad(cordoba)24  val diamante = Ciudad(entreRios)...

Nel.kt

Source:Nel.kt

1package io.kotest.assertions.arrow.core2import arrow.core.NonEmptyList3import io.kotest.matchers.collections.shouldBeSorted4import io.kotest.matchers.collections.shouldNotBeSorted5import io.kotest.matchers.collections.shouldBeUnique6import io.kotest.matchers.collections.shouldContain7import io.kotest.matchers.collections.shouldContainAll8import io.kotest.matchers.collections.shouldContainDuplicates9import io.kotest.matchers.collections.shouldContainNoNulls10import io.kotest.matchers.collections.shouldContainNull11import io.kotest.matchers.collections.shouldContainOnlyNulls12import io.kotest.matchers.collections.shouldHaveElementAt13import io.kotest.matchers.collections.shouldHaveSingleElement14import io.kotest.matchers.collections.shouldHaveSize15import io.kotest.matchers.collections.shouldNotHaveSize16import io.kotest.matchers.collections.shouldNotBeUnique17import io.kotest.matchers.collections.shouldNotContain18import io.kotest.matchers.collections.shouldNotContainAll19import io.kotest.matchers.collections.shouldNotContainDuplicates20import io.kotest.matchers.collections.shouldNotContainNoNulls21import io.kotest.matchers.collections.shouldNotContainNull22import io.kotest.matchers.collections.shouldNotContainOnlyNulls23import io.kotest.matchers.collections.shouldNotHaveElementAt24import io.kotest.matchers.collections.shouldNotHaveSingleElement25public fun <A> NonEmptyList<A>.shouldContainOnlyNulls(): NonEmptyList<A> =26  apply { all.shouldContainOnlyNulls() }27public fun <A> NonEmptyList<A>.shouldNotContainOnlyNulls(): NonEmptyList<A> =28  apply { all.shouldNotContainOnlyNulls() }29public fun <A> NonEmptyList<A>.shouldContainNull(): NonEmptyList<A> =30  apply { all.shouldContainNull() }31public fun <A> NonEmptyList<A>.shouldNotContainNull(): NonEmptyList<A> =32  apply { all.shouldNotContainNull() }33public fun <A> NonEmptyList<A>.shouldHaveElementAt(index: Int, element: A): Unit =34  all.shouldHaveElementAt(index, element)35public fun <A> NonEmptyList<A>.shouldNotHaveElementAt(index: Int, element: A): Unit =36  all.shouldNotHaveElementAt(index, element)37public fun <A> NonEmptyList<A>.shouldContainNoNulls(): NonEmptyList<A> =38  apply { all.shouldContainNoNulls() }...

CategoryRepositorySelectSpec.kt

Source:CategoryRepositorySelectSpec.kt

1package com.gaveship.category.domain.model2import com.gaveship.category.Mock3import io.kotest.core.spec.style.StringSpec4import io.kotest.matchers.collections.shouldHaveSize5import io.kotest.matchers.collections.singleElement6import io.kotest.matchers.nulls.beNull7import io.kotest.matchers.shouldBe8import io.kotest.matchers.shouldHave9import io.kotest.matchers.shouldNot10import io.kotest.property.arbitrary.chunked11import io.kotest.property.arbitrary.single12import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest13import org.springframework.data.jpa.repository.config.EnableJpaAuditing14@EnableJpaAuditing15@DataJpaTest(16    showSql = true,17    properties = [18        "spring.flyway.enabled=false",19        "spring.jpa.hibernate.ddl-auto=create"20    ]21)22class CategoryRepositorySelectSpec(23    private val categoryRepository: CategoryRepository...

KoTestTest.kt

Source:KoTestTest.kt

1package com.example.testingcomparison2import io.kotest.assertions.assertSoftly3import io.kotest.matchers.Matcher4import io.kotest.matchers.MatcherResult5import io.kotest.matchers.collections.shouldContain6import io.kotest.matchers.collections.shouldHaveSize7import io.kotest.matchers.collections.shouldNotContain8import io.kotest.matchers.should9import io.kotest.matchers.types.shouldBeInstanceOf10import org.junit.Test11class KoTestTest {12    private val animals = listOf("Rex", "Caramel", "Joe", "Anna")13    @Test14    fun kotest() {15        animals should containPalyndrom()16        animals17            .shouldBeInstanceOf<List<String>>()18            .shouldContain("Rex") // Doesn't let me chain here19        animals.shouldNotContain("Snow") // Doesn't let me chain here20        animals.shouldHaveSize(3)21    }22    @Test23    fun kotestSoftList() {...

RecordedRequestMatchers.kt

Source:RecordedRequestMatchers.kt

1package com.nrojiani.bartender.data.test.utils2import io.kotest.matchers.collections.shouldBeIn3import io.kotest.matchers.collections.shouldContain4import io.kotest.matchers.collections.shouldHaveSize5import io.kotest.matchers.nulls.shouldNotBeNull6import io.kotest.matchers.shouldBe7import okhttp3.mockwebserver.RecordedRequest8internal fun RecordedRequest.shouldHaveQueryParam(key: String, expectedValue: String) {9    requestUrl?.queryParameterValues(key)10        .shouldNotBeNull()11        .shouldHaveSize(1)12        .shouldContain(expectedValue)13}14internal fun RecordedRequest.shouldContainHeaders(headers: Map<String, String>) {15    headers.forEach { (name, expectedValue) ->16        this.getHeader(name).shouldBe(expectedValue)17    }18}19enum class HttpRequestMethod {20    GET, HEAD, PUT, POST, PATCH, DELETE, CONNECT, OPTIONS, TRACE...

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