How to use test method of io.kotest.matchers.collections.unique class

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

matchers.kt

Source:matchers.kt Github

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1package tutorial.kotest2import io.kotest.assertions.throwables.shouldThrow3import 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 {119 shouldExist()120 shouldBeADirectory()121 shouldBeAbsolute()122 shouldNotBeEmpty()123 }124 // executable, hidden, readable, smaller, writeable, containFile, extension, path, ...125 LocalDate.now().shouldBeToday()126 // before/after, within, same, between, have year/month/day/hour/...127 LocalTime.now().shouldHaveSameHoursAs(LocalTime.now())128 // before/after/between, sameMinute/Seconds/Nanos129 }130 it("numbers") {131 1 shouldBeLessThan 2132 1 shouldBeLessThanOrEqual 1 // Int-based; returns this133 1 shouldBeLessThanOrEqualTo 1 // Comparble-based; void134 1 shouldBeEqualComparingTo 1 // Comparable-based135 1.shouldBeBetween(0, 2)136 1 shouldBeInRange 0..2137 0.shouldBeZero()138 1.shouldBePositive()139 1.shouldBeOdd()140 (1.2).shouldBe(1.20001.plusOrMinus(Percentage(20.0)))141 (1.2).shouldNotBeNaN()142 }143 it("strings") {144 // generic: "abc" shouldBe "abc"145 "aBc" shouldBeEqualIgnoringCase "abc"146 "".shouldBeEmpty()147 " ".shouldBeBlank() // empty or whitespace148 "abc" shouldContain ("b")149 "aBc" shouldContainIgnoringCase "bc"150 "x-a-x" shouldContain """\-[a-z]\-""".toRegex()151 "-a-" shouldMatch """\-[a-z]\-""".toRegex()152 "abc" shouldStartWith ("a")153 "abc" shouldEndWith ("c")154 "ab aa" shouldContainOnlyOnce "aa"155 "abc".shouldBeLowerCase()156 "ABC".shouldBeUpperCase()157 "abc" shouldHaveLength 3158 "a\nb" shouldHaveLineCount 2159 "ab" shouldHaveMinLength 1 shouldHaveMaxLength 3160 "abc" shouldHaveSameLengthAs "foo"161 "1".shouldBeInteger()162 "12".shouldContainOnlyDigits()163 "abc1".shouldContainADigit() // at least one164 }165 it("types") {166 @Connotation167 open class SuperType()168 class SubType : SuperType()169 val sameRef = SuperType()170 sameRef.shouldBeSameInstanceAs(sameRef)171 val superType: SuperType = SubType()172 superType.shouldBeTypeOf<SubType>() // exact runtime match (SuperType won't work!)173 superType.shouldBeInstanceOf<SuperType>() // T or below174// SubType().shouldHaveAnnotation(Connotation::class)175 val nullable: String? = null176 nullable.shouldBeNull()177 }178 it("collections") {179 emptyList<Int>().iterator().shouldBeEmpty()180 listOf(1).iterator().shouldHaveNext()181 listOf(1, 2) shouldContain 1 // at least182 listOf(1, 2) shouldContainExactly listOf(1, 2) // in-order; not more183 listOf(1, 2) shouldContainExactlyInAnyOrder listOf(2, 1) // out-order; not more184 listOf(0, 3, 0, 4, 0).shouldContainInOrder(3, 4) // possible items in between185 listOf(1) shouldNotContainAnyOf listOf(2, 3) // black list186 listOf(1, 2, 3) shouldContainAll listOf(3, 2) // out-order; more187 listOf(1, 2, 3).shouldBeUnique() // no duplicates188 listOf(1, 2, 2).shouldContainDuplicates() // at least one duplicate189 listOf(1, 2).shouldNotHaveElementAt(1, 3)190 listOf(1, 2) shouldStartWith 1191 listOf(1, 2) shouldEndWith 2192 listOf(1, 2) shouldContainAnyOf listOf(2, 3)193 val x = SomeType(1)194 x shouldBeOneOf listOf(x) // by reference/instance195 x shouldBeIn listOf(SomeType(1)) // by equality/structural196 listOf(1, 2, null).shouldContainNull()197 listOf(1) shouldHaveSize 1198 listOf(1).shouldBeSingleton() // size == 1199 listOf(1).shouldBeSingleton {200 it.shouldBeOdd()201 }202 listOf(1).shouldHaveSingleElement {203 beOdd().test(it).passed() // have to return a boolean here :-/204 }205 listOf(2, 3) shouldHaveLowerBound 1 shouldHaveUpperBound 4206 listOf(1) shouldBeSmallerThan listOf(1, 2)207 listOf(1) shouldBeSameSizeAs listOf(2)208 listOf(1, 2) shouldHaveAtLeastSize 1209 listOf(1, 2).shouldBeSorted()210 mapOf(1 to "a").shouldContain(1, "a") // at least this211 mapOf(1 to "a") shouldContainAll mapOf(1 to "a") // at least those212 mapOf(1 to "a") shouldContainExactly mapOf(1 to "a") // not more213 mapOf(1 to "a") shouldContainKey 1214 emptyMap<Any, Any>().shouldBeEmpty()215 }216 it("exceptions") {217 class SubException() : Exception()...

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StringIT.kt

Source:StringIT.kt Github

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1package io.github.serpro69.kfaker.provider2import io.github.serpro69.kfaker.faker3import io.github.serpro69.kfaker.provider.misc.StringProvider4import io.kotest.core.spec.style.DescribeSpec5import io.kotest.core.test.TestCase6import io.kotest.matchers.collections.shouldNotContainAnyOf7import io.kotest.matchers.ints.shouldBeLessThan8import io.kotest.matchers.should9import io.kotest.matchers.shouldBe10import io.kotest.matchers.string.beLowerCase11import io.kotest.matchers.string.beUpperCase12import io.kotest.matchers.string.shouldContain13import io.kotest.matchers.string.shouldNotContain14class StringIT : DescribeSpec() {15 private val faker = faker {16 fakerConfig {17 uniqueGeneratorRetryLimit = 100018 }19 }20 private val sourceString = "foo###bar???"21 override fun beforeEach(testCase: TestCase) {22 faker.unique.clearAll()23 faker.string.unique.clearAll()24 }25 init {26 describe("String Provider") {27 context("numerify") {28 it("should NOT contain # chars") {29 faker.string.numerify(sourceString) shouldNotContain "#"30 faker.string.numerify(sourceString) shouldContain "?"31 }32 it("can have duplicates") {33 val list = List(1000) { faker.string.numerify(sourceString) }34 list.distinct().size shouldBeLessThan 100035 }...

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PasswordGeneratorSpec.kt

Source:PasswordGeneratorSpec.kt Github

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...13 * See the License for the specific language governing permissions and14 * limitations under the License.15 */16package br.com.colman.password17import io.kotest.assertions.throwables.shouldNotThrowAny18import io.kotest.core.spec.style.FunSpec19import io.kotest.inspectors.forOne20import io.kotest.matchers.char.shouldBeInRange21import io.kotest.matchers.collections.shouldBeIn22import io.kotest.matchers.collections.shouldBeUnique23import io.kotest.matchers.shouldBe24import io.kotest.matchers.string.shouldHaveLength25import io.kotest.matchers.string.shouldMatch26import kotlin.random.Random27private val oracleAcceptedSpecialCharacters = """@%+\/'!#$^?:,(){?[]~`-_.""".toList()28class PasswordGeneratorSpec : FunSpec({29 val target = PasswordGenerator()30 test("Sanity check") {31 val myRandom = Random(19980209)32 val generator = PasswordGenerator(myRandom)33 generator.generate() shouldBe "9Lrwc'iy"34 generator.generate() shouldBe "f{uzP9pc"35 generator.generate() shouldBe "aQ)owQ1J"36 }37 context("Default generator") {38 val defaultGenerator = PasswordGenerator.Default39 test("Uses AZ az characters") {40 val pw = defaultGenerator.generate(includeSpecial = false, includeNumber = false)41 pw shouldMatch Regex("[a-zA-Z]+")42 }43 test("Includes a special characters") {44 val pw = defaultGenerator.generate(includeSpecial = true, includeNumber = false)45 shouldNotThrowAny {46 pw.single { it in oracleAcceptedSpecialCharacters }47 }48 }49 test("Includes a number") {50 val pw = defaultGenerator.generate(includeSpecial = false, includeNumber = true)51 pw.forOne { it shouldBeInRange '0'..'9' }52 }53 }54 test("Generates password with the desired size") {55 target.generate(size = 12) shouldHaveLength 1256 target.generate(size = 25) shouldHaveLength 2557 }58 test("Defaults to size 8") {59 target.generate() shouldHaveLength 860 }61 test("Generates random, different passwords") {62 val passwords = List(100) { target.generate() }63 passwords.shouldBeUnique()64 }65})...

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FindPairWithSumSpec.kt

Source:FindPairWithSumSpec.kt Github

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1package day120202import seriesSum3import io.kotest.core.spec.style.FunSpec4import io.kotest.datatest.withData5import io.kotest.matchers.collections.shouldBeEmpty6import io.kotest.matchers.collections.shouldBeIn7import io.kotest.matchers.collections.shouldBeUnique8import io.kotest.matchers.shouldBe9import io.kotest.property.Arb10import io.kotest.property.arbitrary.*11import io.kotest.property.checkAll12import io.kotest.property.forAll13val rangeAtLeastTwoNumbersLong = Arb.int(min = 1).map { (0..1).toList() }14val pairOfPositiveInts: Arb<Pair<Int, Int>> =15 Arb.bind(Arb.positiveInt(), Arb.positiveInt()) { x, y -> Pair(x, y) }16class FindPairWithSumSpec : FunSpec({17 context("returns null with less than 2 elements") {18 withData(listOf(), listOf(0)) { rows -> Unit19 checkAll<Int> { i ->20 rows.pairsWithSum(i).shouldBeEmpty()21 }22 }23 }24 test("findPairWithSum returns pair of numbers that sum to specified amount") {25 checkAll(Arb.list(Arb.int()), pairOfPositiveInts) { otherNumbers, pair ->26 val sum = pair.first + pair.second27 pair shouldBeIn (listOf(pair.first, pair.second) + otherNumbers).pairsWithSum(sum)28 }29 }30 context("pairPermutations") {31 context("properties") {32 test("list with size of 2 is a single pair") {33 checkAll<Int, Int> { x, y ->34 listOf(x, y).pairPermutations shouldBe listOf(Pair(x, y))35 }36 }37 test("number of pairs is fibonacci of collection size - 1") {38 checkAll(rangeAtLeastTwoNumbersLong) { xs ->39 xs.pairPermutations.size shouldBe (xs.size - 1).seriesSum40 }41 }42 test("all pairs unique") {43 checkAll(rangeAtLeastTwoNumbersLong) { xs ->44 xs.pairPermutations.shouldBeUnique()45 }46 }47 test("all elements present") {48 forAll(rangeAtLeastTwoNumbersLong) { xs ->49 val permutations = xs.pairPermutations50 xs.all { x ->51 permutations.find { pair -> x == pair.first || x == pair.second } != null52 }53 }54 }55 }56 }57})...

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CollectionsTest.kt

Source:CollectionsTest.kt Github

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1package dev.madetobuild.typedconfig.test2import dev.madetobuild.typedconfig.runtime.key.keyWithName3import dev.madetobuild.typedconfig.runtime.source.Source4import io.kotest.matchers.nulls.beNull5import io.kotest.matchers.should6import io.kotest.matchers.shouldBe7import io.mockk.every8import io.mockk.impl.annotations.MockK9import io.mockk.junit5.MockKExtension10import io.mockk.verify11import io.mockk.verifyAll12import org.junit.jupiter.api.Test13import org.junit.jupiter.api.extension.ExtendWith14@ExtendWith(MockKExtension::class)15class CollectionsTest {16 @MockK17 lateinit var source: Source18 @Test19 fun requiredStringList() {20 every { source.getList(any()) } returns listOf("root", "me")...

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DiscoveryRoundTripTest.kt

Source:DiscoveryRoundTripTest.kt Github

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...14 * You should have received a copy of the GNU Lesser General Public License15 * along with bowler-kernel. If not, see <https://www.gnu.org/licenses/>.16 */17package com.commonwealthrobotics.bowlerkernel.kerneldiscovery18import io.kotest.matchers.booleans.shouldBeFalse19import io.kotest.matchers.collections.shouldBeEmpty20import io.kotest.matchers.collections.shouldContainExactly21import io.kotest.matchers.comparables.shouldNotBeEqualComparingTo22import io.kotest.matchers.shouldBe23import io.kotest.matchers.string.shouldStartWith24import org.junit.jupiter.api.Test25internal class DiscoveryRoundTripTest {26 @Test27 fun `scan the local host with no servers running`() {28 NameClient.scan().shouldBeEmpty()29 }30 @Test31 fun `scan the local host with one server running`() {32 val name = "kernel"33 val grpcPort = 5392934 val ns = NameServer(name, getGrpcPort = { grpcPort })35 ns.ensureStarted()36 ns.name.shouldBe(name)37 while (!ns.isRunning.get()) { Thread.sleep(10) }...

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DailyBalancesPropKotestTest.kt

Source:DailyBalancesPropKotestTest.kt Github

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1import io.kotest.core.spec.style.DescribeSpec2import io.kotest.matchers.booleans.shouldBeFalse3import io.kotest.matchers.collections.shouldBeStrictlyIncreasingWith4import io.kotest.matchers.collections.shouldContainAll5import io.kotest.matchers.shouldBe6import io.kotest.property.Arb7import io.kotest.property.PropTestConfig8import io.kotest.property.arbitrary.*9import io.kotest.property.checkAll10import java.time.LocalDate11class DailyBalancesPropKotestTest : DescribeSpec({12 describe("properties") {13 val arbBalance = Arb.bind(Arb.localDate(), Arb.bigDecimal()) { d, a -> Balance(d, a) }14 fun arbUniqueList(minLength: Int = 0) = Arb.list(arbBalance, minLength..100).map { it.distinctBy { it.date } }15 it("contains all original elements") {16 checkAll(PropTestConfig(outputClassifications = true), arbUniqueList()) { list ->17 val result = list.expandToDaily()18 result.shouldContainAll(list)19 }20 }21 it("result is strictly increasing by the balance date") {22 checkAll(arbUniqueList()) { list ->23 val result = list.expandToDaily()24 result.shouldBeStrictlyIncreasingWith(compareBy { it.date })25 }...

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TokenCreatorTest.kt

Source:TokenCreatorTest.kt Github

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1package io.github.servb.eShop.auth2import io.github.servb.eShop.auth.util.TokenCreator3import io.github.servb.eShop.util.kotest.*4import io.github.servb.eShop.util.ktor.withTestApplication5import io.kotest.core.spec.style.BehaviorSpec6import io.kotest.core.spec.style.FreeSpec7import io.kotest.matchers.collections.shouldBeUnique8import io.kotest.matchers.shouldBe9import io.kotest.matchers.string.shouldEndWith10import io.kotest.matchers.string.shouldNotBeEmpty11import io.ktor.application.Application12import io.ktor.http.HttpMethod13import io.ktor.http.HttpStatusCode14import io.ktor.server.testing.handleRequest15class TokenCreatorTest : FreeSpec({16 "test token creator" - {17 "generated token should be non-empty" {18 TokenCreator.createToken().shouldNotBeEmpty()19 }20 "generated tokens should be different" {21 val tokens = (1..10000).map { TokenCreator.createToken() }22 tokens.shouldBeUnique()23 }24 }25})

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