Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use Sequence.shouldNotContainDuplicates method of io.kotest.matchers.sequences.matchers class

Best Kotest code snippet using io.kotest.matchers.sequences.matchers.Sequence.shouldNotContainDuplicates

matchers.kt

Source:matchers.kt

1package io.kotest.matchers.sequences2import io.kotest.matchers.Matcher3import io.kotest.matchers.MatcherResult4import io.kotest.matchers.neverNullMatcher5import io.kotest.matchers.should6import io.kotest.matchers.shouldHave7import io.kotest.matchers.shouldNot8private fun <T> Sequence<T>.toString(limit: Int = 10) = this.joinToString(", ", limit = limit)9/*10How should infinite sequences be detected, and how should they be dealt with?11Sequence<T>.count() may run through the whole sequence (sequences from `generateSequence()` do so), so isn't always a safe way to detect infinite sequences.12For now, the documentation should mention that infinite sequences will cause these matchers never to halt.13*/14fun <T> Sequence<T>.shouldContainOnlyNulls() = this should containOnlyNulls()15fun <T> Sequence<T>.shouldNotContainOnlyNulls() = this shouldNot containOnlyNulls()16fun <T> containOnlyNulls() = object : Matcher<Sequence<T>> {17   override fun test(value: Sequence<T>) =18      MatcherResult(19         value.all { it == null },20         "Sequence should contain only nulls",21         "Sequence should not contain only nulls"22      )23}24fun <T> Sequence<T>.shouldContainNull() = this should containNull()25fun <T> Sequence<T>.shouldNotContainNull() = this shouldNot containNull()26fun <T> containNull() = object : Matcher<Sequence<T>> {27   override fun test(value: Sequence<T>) =28      MatcherResult(29         value.any { it == null },30         "Sequence should contain at least one null",31         "Sequence should not contain any nulls"32      )33}34fun <T> Sequence<T>.shouldHaveElementAt(index: Int, element: T) = this should haveElementAt(index, element)35fun <T> Sequence<T>.shouldNotHaveElementAt(index: Int, element: T) = this shouldNot haveElementAt(index, element)36fun <T, S : Sequence<T>> haveElementAt(index: Int, element: T) = object : Matcher<S> {37   override fun test(value: S) =38      MatcherResult(39         value.elementAt(index) == element,40         { "Sequence should contain $element at index $index" },41         { "Sequence should not contain $element at index $index" }42      )43}44fun <T> Sequence<T>.shouldContainNoNulls() = this should containNoNulls()45fun <T> Sequence<T>.shouldNotContainNoNulls() = this shouldNot containNoNulls()46fun <T> containNoNulls() = object : Matcher<Sequence<T>> {47   override fun test(value: Sequence<T>) =48      MatcherResult(49         value.all { it != null },50         { "Sequence should not contain nulls" },51         { "Sequence should have at least one null" }52      )53}54infix fun <T, C : Sequence<T>> C.shouldContain(t: T) = this should contain(t)55infix fun <T, C : Sequence<T>> C.shouldNotContain(t: T) = this shouldNot contain(t)56fun <T, C : Sequence<T>> contain(t: T) = object : Matcher<C> {57   override fun test(value: C) = MatcherResult(58      value.contains(t),59      { "Sequence should contain element $t" },60      { "Sequence should not contain element $t" }61   )62}63infix fun <T, C : Sequence<T>> C?.shouldNotContainExactly(expected: C) = this shouldNot containExactly(expected)64fun <T, C : Sequence<T>> C?.shouldNotContainExactly(vararg expected: T) = this shouldNot containExactly(*expected)65infix fun <T, C : Sequence<T>> C?.shouldContainExactly(expected: C) = this should containExactly(expected)66fun <T, C : Sequence<T>> C?.shouldContainExactly(vararg expected: T) = this should containExactly(*expected)67fun <T> containExactly(vararg expected: T): Matcher<Sequence<T>?> = containExactly(expected.asSequence())68/** Assert that a sequence contains exactly the given values and nothing else, in order. */69fun <T, C : Sequence<T>> containExactly(expected: C): Matcher<C?> = neverNullMatcher { value ->70   var passed: Boolean = value.count() == expected.count()71   var failMessage = "Sequence should contain exactly $expected but was $value"72   if (passed) {73      val diff = value.zip(expected) { a, b -> Triple(a, b, a == b) }.withIndex().find { !it.value.third }74      if (diff != null) {75         passed = false76         failMessage += " (expected ${diff.value.second} at ${diff.index} but found ${diff.value.first})"77      }78   } else {79      failMessage += " (expected ${expected.count()} elements but found ${value.count()})"80   }81   MatcherResult(82      passed,83      failMessage,84      "Sequence should not be exactly $expected"85   )86}87@Deprecated("use shouldNotContainAllInAnyOrder", ReplaceWith("shouldNotContainAllInAnyOrder"))88infix fun <T, C : Sequence<T>> C?.shouldNotContainExactlyInAnyOrder(expected: C) =89   this shouldNot containAllInAnyOrder(expected)90@Deprecated("use shouldNotContainAllInAnyOrder", ReplaceWith("shouldNotContainAllInAnyOrder"))91fun <T, C : Sequence<T>> C?.shouldNotContainExactlyInAnyOrder(vararg expected: T) =92   this shouldNot containAllInAnyOrder(*expected)93@Deprecated("use shouldContainAllInAnyOrder", ReplaceWith("shouldContainAllInAnyOrder"))94infix fun <T, C : Sequence<T>> C?.shouldContainExactlyInAnyOrder(expected: C) =95   this should containAllInAnyOrder(expected)96@Deprecated("use shouldContainAllInAnyOrder", ReplaceWith("shouldContainAllInAnyOrder"))97fun <T, C : Sequence<T>> C?.shouldContainExactlyInAnyOrder(vararg expected: T) =98   this should containAllInAnyOrder(*expected)99@Deprecated("use containAllInAnyOrder", ReplaceWith("containAllInAnyOrder"))100fun <T> containExactlyInAnyOrder(vararg expected: T): Matcher<Sequence<T>?> =101   containAllInAnyOrder(expected.asSequence())102@Deprecated("use containAllInAnyOrder", ReplaceWith("containAllInAnyOrder"))103/** Assert that a sequence contains the given values and nothing else, in any order. */104fun <T, C : Sequence<T>> containExactlyInAnyOrder(expected: C): Matcher<C?> = containAllInAnyOrder(expected)105infix fun <T, C : Sequence<T>> C?.shouldNotContainAllInAnyOrder(expected: C) =106   this shouldNot containAllInAnyOrder(expected)107fun <T, C : Sequence<T>> C?.shouldNotContainAllInAnyOrder(vararg expected: T) =108   this shouldNot containAllInAnyOrder(*expected)109infix fun <T, C : Sequence<T>> C?.shouldContainAllInAnyOrder(expected: C) =110   this should containAllInAnyOrder(expected)111fun <T, C : Sequence<T>> C?.shouldContainAllInAnyOrder(vararg expected: T) =112   this should containAllInAnyOrder(*expected)113fun <T> containAllInAnyOrder(vararg expected: T): Matcher<Sequence<T>?> =114   containAllInAnyOrder(expected.asSequence())115/** Assert that a sequence contains all the given values and nothing else, in any order. */116fun <T, C : Sequence<T>> containAllInAnyOrder(expected: C): Matcher<C?> = neverNullMatcher { value ->117   val passed = value.count() == expected.count() && expected.all { value.contains(it) }118   MatcherResult(119      passed,120      { "Sequence should contain the values of $expected in any order, but was $value" },121      { "Sequence should not contain the values of $expected in any order" }122   )123}124infix fun <T : Comparable<T>, C : Sequence<T>> C.shouldHaveUpperBound(t: T) = this should haveUpperBound(t)125fun <T : Comparable<T>, C : Sequence<T>> haveUpperBound(t: T) = object : Matcher<C> {126   override fun test(value: C) = MatcherResult(127      (value.maxOrNull() ?: t) <= t,128      { "Sequence should have upper bound $t" },129      { "Sequence should not have upper bound $t" }130   )131}132infix fun <T : Comparable<T>, C : Sequence<T>> C.shouldHaveLowerBound(t: T) = this should haveLowerBound(t)133fun <T : Comparable<T>, C : Sequence<T>> haveLowerBound(t: T) = object : Matcher<C> {134   override fun test(value: C) = MatcherResult(135      (value.minOrNull() ?: t) >= t,136      { "Sequence should have lower bound $t" },137      { "Sequence should not have lower bound $t" }138   )139}140fun <T> Sequence<T>.shouldBeUnique() = this should beUnique()141fun <T> Sequence<T>.shouldNotBeUnique() = this shouldNot beUnique()142fun <T> beUnique() = object : Matcher<Sequence<T>> {143   override fun test(value: Sequence<T>) = MatcherResult(144      value.toSet().size == value.count(),145      { "Sequence should be Unique" },146      { "Sequence should contain at least one duplicate element" }147   )148}149fun <T> Sequence<T>.shouldContainDuplicates() = this should containDuplicates()150fun <T> Sequence<T>.shouldNotContainDuplicates() = this shouldNot containDuplicates()151fun <T> containDuplicates() = object : Matcher<Sequence<T>> {152   override fun test(value: Sequence<T>) = MatcherResult(153      value.toSet().size < value.count(),154      { "Sequence should contain duplicates" },155      { "Sequence should not contain duplicates" }156   )157}158fun <T : Comparable<T>> Sequence<T>.shouldBeSorted() = this should beSorted()159fun <T : Comparable<T>> Sequence<T>.shouldNotBeSorted() = this shouldNot beSorted()160fun <T : Comparable<T>> beSorted(): Matcher<Sequence<T>> = sorted()161fun <T : Comparable<T>> sorted(): Matcher<Sequence<T>> = object : Matcher<Sequence<T>> {162   override fun test(value: Sequence<T>): MatcherResult {163      @Suppress("UNUSED_DESTRUCTURED_PARAMETER_ENTRY")164      val failure = value.zipWithNext().withIndex().firstOrNull { (i, it) -> it.first > it.second }165      val snippet = value.joinToString(",", limit = 10)166      val elementMessage = when (failure) {167         null -> ""168         else -> ". Element ${failure.value.first} at index ${failure.index} was greater than element ${failure.value.second}"169      }170      return MatcherResult(171         failure == null,172         { "Sequence $snippet should be sorted$elementMessage" },173         { "Sequence $snippet should not be sorted" }174      )175   }176}177infix fun <T> Sequence<T>.shouldBeSortedWith(comparator: Comparator<in T>) = this should beSortedWith(comparator)178infix fun <T> Sequence<T>.shouldBeSortedWith(cmp: (T, T) -> Int) = this should beSortedWith(cmp)179fun <T> beSortedWith(comparator: Comparator<in T>): Matcher<Sequence<T>> = sortedWith(comparator)180fun <T> beSortedWith(cmp: (T, T) -> Int): Matcher<Sequence<T>> = sortedWith(cmp)181fun <T> sortedWith(comparator: Comparator<in T>): Matcher<Sequence<T>> = sortedWith { a, b ->182   comparator.compare(a, b)183}184fun <T> sortedWith(cmp: (T, T) -> Int): Matcher<Sequence<T>> = object : Matcher<Sequence<T>> {185   override fun test(value: Sequence<T>): MatcherResult {186      @Suppress("UNUSED_DESTRUCTURED_PARAMETER_ENTRY")187      val failure = value.zipWithNext().withIndex().firstOrNull { (i, it) -> cmp(it.first, it.second) > 0 }188      val snippet = value.joinToString(",", limit = 10)189      val elementMessage = when (failure) {190         null -> ""191         else -> ". Element ${failure.value.first} at index ${failure.index} shouldn't precede element ${failure.value.second}"192      }193      return MatcherResult(194         failure == null,195         { "Sequence $snippet should be sorted$elementMessage" },196         { "Sequence $snippet should not be sorted" }197      )198   }199}200infix fun <T> Sequence<T>.shouldNotBeSortedWith(comparator: Comparator<in T>) = this shouldNot beSortedWith(comparator)201infix fun <T> Sequence<T>.shouldNotBeSortedWith(cmp: (T, T) -> Int) = this shouldNot beSortedWith(cmp)202infix fun <T> Sequence<T>.shouldHaveSingleElement(t: T) = this should singleElement(t)203infix fun <T> Sequence<T>.shouldNotHaveSingleElement(t: T) = this shouldNot singleElement(t)204fun <T> singleElement(t: T) = object : Matcher<Sequence<T>> {205   override fun test(value: Sequence<T>) = MatcherResult(206      value.count() == 1 && value.first() == t,207      { "Sequence should be a single element of $t but has ${value.count()} elements" },208      { "Sequence should not be a single element of $t" }209   )210}211infix fun <T> Sequence<T>.shouldHaveCount(count: Int) = this should haveCount(count)212infix fun <T> Sequence<T>.shouldNotHaveCount(count: Int) = this shouldNot haveCount(213   count)214infix fun <T> Sequence<T>.shouldHaveSize(size: Int) = this should haveCount(size)215infix fun <T> Sequence<T>.shouldNotHaveSize(size: Int) = this shouldNot haveCount(size)216//fun <T> haveSize(size: Int) = haveCount(size)217fun <T> haveSize(size: Int): Matcher<Sequence<T>> = haveCount(size)218fun <T> haveCount(count: Int): Matcher<Sequence<T>> = object : Matcher<Sequence<T>> {219   override fun test(value: Sequence<T>) =220      MatcherResult(221         value.count() == count,222         { "Sequence should have count $count but has count ${value.count()}" },223         { "Sequence should not have count $count" }224      )225}226infix fun <T, U> Sequence<T>.shouldBeLargerThan(other: Sequence<U>) = this should beLargerThan(other)227fun <T, U> beLargerThan(other: Sequence<U>) = object : Matcher<Sequence<T>> {228   override fun test(value: Sequence<T>) = MatcherResult(229      value.count() > other.count(),230      { "Sequence of count ${value.count()} should be larger than sequence of count ${other.count()}" },231      { "Sequence of count ${value.count()} should not be larger than sequence of count ${other.count()}" }232   )233}234infix fun <T, U> Sequence<T>.shouldBeSmallerThan(other: Sequence<U>) = this should beSmallerThan(other)235fun <T, U> beSmallerThan(other: Sequence<U>) = object : Matcher<Sequence<T>> {236   override fun test(value: Sequence<T>) = MatcherResult(237      value.count() < other.count(),238      { "Sequence of count ${value.count()} should be smaller than sequence of count ${other.count()}" },239      { "Sequence of count ${value.count()} should not be smaller than sequence of count ${other.count()}" }240   )241}242infix fun <T, U> Sequence<T>.shouldBeSameCountAs(other: Sequence<U>) = this should beSameCountAs(243   other)244fun <T, U> beSameCountAs(other: Sequence<U>) = object : Matcher<Sequence<T>> {245   override fun test(value: Sequence<T>) = MatcherResult(246      value.count() == other.count(),247      { "Sequence of count ${value.count()} should be the same count as sequence of count ${other.count()}" },248      { "Sequence of count ${value.count()} should not be the same count as sequence of count ${other.count()}" }249   )250}251infix fun <T, U> Sequence<T>.shouldBeSameSizeAs(other: Sequence<U>) = this.shouldBeSameCountAs(other)252infix fun <T> Sequence<T>.shouldHaveAtLeastCount(n: Int) = this shouldHave atLeastCount(n)253fun <T> atLeastCount(n: Int) = object : Matcher<Sequence<T>> {254   override fun test(value: Sequence<T>) = MatcherResult(255      value.count() >= n,256      { "Sequence should contain at least $n elements" },257      { "Sequence should contain less than $n elements" }258   )259}260infix fun <T> Sequence<T>.shouldHaveAtLeastSize(n: Int) = this.shouldHaveAtLeastCount(n)261infix fun <T> Sequence<T>.shouldHaveAtMostCount(n: Int) = this shouldHave atMostCount(n)262fun <T> atMostCount(n: Int) = object : Matcher<Sequence<T>> {263   override fun test(value: Sequence<T>) = MatcherResult(264      value.count() <= n,265      { "Sequence should contain at most $n elements" },266      { "Sequence should contain more than $n elements" }267   )268}269infix fun <T> Sequence<T>.shouldHaveAtMostSize(n: Int) = this shouldHave atMostCount(n)270infix fun <T> Sequence<T>.shouldExist(p: (T) -> Boolean) = this should exist(p)271fun <T> exist(p: (T) -> Boolean) = object : Matcher<Sequence<T>> {272   override fun test(value: Sequence<T>) = MatcherResult(273      value.any { p(it) },274      { "Sequence should contain an element that matches the predicate $p" },275      { "Sequence should not contain an element that matches the predicate $p" }276   )277}278fun <T : Comparable<T>> Sequence<T>.shouldContainInOrder(vararg ts: T) =279   this should containsInOrder(ts.asSequence())280infix fun <T : Comparable<T>> Sequence<T>.shouldContainInOrder(expected: Sequence<T>) =281   this should containsInOrder(expected)282fun <T : Comparable<T>> Sequence<T>.shouldNotContainInOrder(expected: Sequence<T>) =283   this shouldNot containsInOrder(expected)284/** Assert that a sequence contains a given subsequence, possibly with values in between. */285fun <T> containsInOrder(subsequence: Sequence<T>): Matcher<Sequence<T>?> = neverNullMatcher { actual ->286   val subsequenceCount = subsequence.count()287   require(subsequenceCount > 0) { "expected values must not be empty" }288   var subsequenceIndex = 0289   val actualIterator = actual.iterator()290   while (actualIterator.hasNext() && subsequenceIndex < subsequenceCount) {291      if (actualIterator.next() == subsequence.elementAt(subsequenceIndex)) subsequenceIndex += 1292   }293   MatcherResult(294      subsequenceIndex == subsequence.count(),295      { "[$actual] did not contain the elements [$subsequence] in order" },296      { "[$actual] should not contain the elements [$subsequence] in order" }297   )298}299fun <T> Sequence<T>.shouldBeEmpty() = this should beEmpty()300fun <T> Sequence<T>.shouldNotBeEmpty() = this shouldNot beEmpty()301fun <T> beEmpty(): Matcher<Sequence<T>> = object : Matcher<Sequence<T>> {302   override fun test(value: Sequence<T>): MatcherResult = MatcherResult(303      value.count() == 0,304      { "Sequence should be empty" },305      { "Sequence should not be empty" }306   )307}308fun <T> Sequence<T>.shouldContainAll(vararg ts: T) = this should containAll(ts.asSequence())309infix fun <T> Sequence<T>.shouldContainAll(ts: Collection<T>) = this should containAll(ts.asSequence())310infix fun <T> Sequence<T>.shouldContainAll(ts: Sequence<T>) = this should containAll(ts)311fun <T> Sequence<T>.shouldNotContainAll(vararg ts: T) = this shouldNot containAll(ts.asSequence())312infix fun <T> Sequence<T>.shouldNotContainAll(ts: Collection<T>) = this shouldNot containAll(ts.asSequence())313infix fun <T> Sequence<T>.shouldNotContainAll(ts: Sequence<T>) = this shouldNot containAll(ts)314fun <T, C : Sequence<T>> containAll(ts: C): Matcher<Sequence<T>> = object : Matcher<Sequence<T>> {315   override fun test(value: Sequence<T>): MatcherResult = MatcherResult(316      ts.all { value.contains(it) },317      { "Sequence should contain all of ${value.joinToString(",", limit = 10)}" },318      { "Sequence should not contain all of ${value.joinToString(",", limit = 10)}" }319   )320}...

Sequence.shouldNotContainDuplicates

Using AI Code Generation

1val sequence = sequenceOf(1, 2, 3, 4, 5)2sequence.shouldNotContainDuplicates()3val sequence = sequenceOf(1, 2, 3, 4, 5)4sequence.shouldContainDuplicates()5val sequence = sequenceOf(1, 2, 3, 4, 5)6sequence.shouldContainDuplicates()7val sequence = sequenceOf(1, 2, 3, 4, 5)8sequence.shouldContainDuplicates()9val sequence = sequenceOf(1, 2, 3, 4, 5)10sequence.shouldContainDuplicates()11val sequence = sequenceOf(1, 2, 3, 4, 5)12sequence.shouldContainDuplicates()13val sequence = sequenceOf(1, 2, 3, 4, 5)14sequence.shouldContainDuplicates()15val sequence = sequenceOf(1, 2, 3, 4, 5)16sequence.shouldContainDuplicates()17val sequence = sequenceOf(1, 2, 3, 4, 5)18sequence.shouldContainDuplicates()19val sequence = sequenceOf(1, 2, 3, 4, 5)20sequence.shouldContainDuplicates()21val sequence = sequenceOf(1, 2, 3, 4, 5)22sequence.shouldContainDuplicates()

Sequence.shouldNotContainDuplicates

Using AI Code Generation

1val sequence = sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)2sequence.shouldNotContainDuplicates()3val sequence = sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)4sequence.shouldContainDuplicates()5val sequence = sequenceOf()6sequence.shouldBeEmpty()7val sequence = sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)8sequence.shouldNotBeEmpty()9val sequence = sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)10sequence.shouldHaveLength(10)11val sequence = sequenceOf(1)12sequence.shouldHaveSingleElement()13val sequence = sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)14sequence.shouldHaveSingleElement(1)15val sequence = sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)16sequence.shouldHaveSingleElement { it == 1 }17val sequence = sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)

Sequence.shouldNotContainDuplicates

Using AI Code Generation

1@DisplayName ( "Sequence shouldNotContainDuplicates" )2fun   testSequenceShouldNotContainDuplicates ()   {3val   sequence   =   sequenceOf ( 1 ,   2 ,   3 )4sequence . shouldNotContainDuplicates ()5}6@DisplayName ( "Sequence shouldNotContainNulls" )7fun   testSequenceShouldNotContainNulls ()   {8val   sequence   =   sequenceOf ( 1 ,   2 ,   3 )9sequence . shouldNotContainNulls ()10}11@DisplayName ( "Sequence shouldNotHaveDuplicates" )12fun   testSequenceShouldNotHaveDuplicates ()   {13val   sequence   =   sequenceOf ( 1 ,   2 ,   3 )14sequence . shouldNotHaveDuplicates ()15}16@DisplayName ( "Sequence shouldNotHaveNulls" )17fun   testSequenceShouldNotHaveNulls ()   {18val   sequence   =   sequenceOf ( 1 ,   2 ,   3 )19sequence . shouldNotHaveNulls ()20}21@DisplayName ( "Sequence shouldNotStartWith" )22fun   testSequenceShouldNotStartWith ()   {23val   sequence   =   sequenceOf ( 1 ,   2 ,   3 )24sequence . shouldNotStartWith ( listOf ( 1 ,   2 ))25}26@DisplayName ( "Sequence shouldNotStartWithNull" )27fun   testSequenceShouldNotStartWithNull ()   {28val   sequence   =   sequenceOf ( 1 ,   2 ,   3 )29sequence . shouldNotStartWithNull ()30}31@DisplayName ( "Sequence shouldNotStartWithNulls" )32fun   testSequenceShouldNotStartWithNulls ()   {33val   sequence   =   sequenceOf ( 1

Sequence.shouldNotContainDuplicates

Using AI Code Generation

1@DisplayName ( "Sequence shouldNotContainDuplicates" )2fun   testSequenceShouldNotContainDuplicates ()   {3val   sequence   =   sequenceOf ( 1 ,   2 ,   3 )4sequence . shouldNotContainDuplicates ()5}6@DisplayName ( "Sequence shouldNotContainNulls" )7fun   testSequenceShouldNotContainNulls ()   {8val   sequence   =   sequenceOf ( 1 ,   2 ,   3 )9sequence . shouldNotContainNulls ()10}11@DisplayName ( "Sequence shouldNotHaveDuplicates" )12fun   testSequenceShouldNotHaveDuplicates ()   {13val   sequence   =   sequenceOf ( 1 ,   2 ,   3 )14sequence . shouldNotHaveDuplicates ()15}16@DisplayName ( "Sequence shouldNotHaveNulls" )17fun   testSequenceShouldNotHaveNulls ()   {18val   sequence   =   sequenceOf ( 1 ,   2 ,   3 )19sequence . shouldNotHaveNulls ()20}21@DisplayName ( "Sequence shouldNotStartWith" )22fun   testSequenceShouldNotStartWith ()   {23val   sequence   =   sequenceOf ( 1 ,   2 ,   3 )24sequence . shouldNotStartWith ( listOf ( 1 ,   2 ))25}26@DisplayName ( "Sequence shouldNotStartWithNull" )27fun   testSequenceShouldNotStartWithNull ()   {28val   sequence   =   sequenceOf ( 1 ,   2 ,   3 )29sequence . shouldNotStartWithNull ()30}31@DisplayName ( "Sequence shouldNotStartWithNulls" )32fun   testSequenceShouldNotStartWithNulls ()   {33val   sequence   =   sequenceOf ( 1

Sequence.shouldNotContainDuplicates

Using AI Code Generation

1val sequence = sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)2sequence.shouldNotContainDuplicates()3val sequence = sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)4sequence.shouldContainDuplicates()5val sequence = sequenceOf()6sequence.shouldBeEmpty()7val sequence = sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)8sequence.shouldNotBeEmpty()9val sequence = sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)10sequence.shouldHaveLength(10)11val sequence = sequenceOf(1)12sequence.shouldHaveSingleElement()13val sequence = sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)14sequence.shouldHaveSingleElement(1)15val sequence = sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)16sequence.shouldHaveSingleElement { it == 1 }17val sequence = sequenceOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)

Sequence.shouldNotContainDuplicates

Using AI Code Generation

1@DisplayName("test for Sequence.shouldNotContainDuplicates method")2fun testSequenceShouldNotContainDuplicates() {3    sequenceOf(1, 2, 3).shouldNotContainDuplicates()4}5@DisplayName("test for Sequence.shouldNotContainNulls method")6fun testSequenceShouldNotContainNulls() {7    sequenceOf(1, 2, 3).shouldNotContainNulls()8}9@DisplayName("test for Sequence.shouldNotHaveDuplicates method")10fun testSequenceShouldNotHaveDuplicates() {11    sequenceOf(1, 2, 3).shouldNotHaveDuplicates()12}13@DisplayName("test for Sequence.shouldNotHaveNulls method")14fun testSequenceShouldNotHaveNulls() {15    sequenceOf(1, 2, 3).shouldNotHaveNulls()16}17@DisplayName("test for Sequence.shouldStartWith method")18fun testSequenceShouldStartWith() {19    sequenceOf(1, 2, 3).shouldStartWith(1)20}21@DisplayName("test for Sequence.shouldStartWithAny method")22fun testSequenceShouldStartWithAny() {23    sequenceOf(1, 2, 3).shouldStartWithAny(listOf(1, 4, 5))24}25@DisplayName("test for Sequence.shouldStartWithAll method")26fun testSequenceShouldStartWithAll() {27    sequenceOf(1, 2, 3).shouldStartWithAll(listOf(1, 2))28}29@DisplayName("test for Sequence.shouldStartWithNone method")30fun testSequenceShouldStartWithNone() {31    sequenceOf(10)32sequence.shouldNotContainDuplicates()33at io.kotest.matchers.sequences.matchers$shouldNotContainDuplicates$1.invokeSuspend(matchers.kt:38)34at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)35at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:56)36at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:571)37at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(CoroutineScheduler.kt:738)38at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(CoroutineScheduler.kt:678)39at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:665)40val sequence = sequenceOf(1,2,3,4,5,6,7,8,9,10,1)41sequence.shouldNotContainDuplicates()42at io.kotest.matchers.sequences.matchers$shouldNotContainDuplicates$1.invokeSuspend(matchers.kt:38)43at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)44at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:56)45at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:571)46at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(CoroutineScheduler.kt:738)47at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(CoroutineScheduler.kt:678)48at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:665)49val sequence = sequenceOf(1,2,3,4,5,6,7,8,9,

Sequence.shouldNotContainDuplicates

Using AI Code Generation

1@DisplayName("test for Sequence.shouldNotContainDuplicates method")2fun testSequenceShouldNotContainDuplicates() {3    sequenceOf(1, 2, 3).shouldNotContainDuplicates()4}5@DisplayName("test for Sequence.shouldNotContainNulls method")6fun testSequenceShouldNotContainNulls() {7    sequenceOf(1, 2, 3).shouldNotContainNulls()8}9@DisplayName("test for Sequence.shouldNotHaveDuplicates method")10fun testSequenceShouldNotHaveDuplicates() {11    sequenceOf(1, 2, 3).shouldNotHaveDuplicates()12}13@DisplayName("test for Sequence.shouldNotHaveNulls method")14fun testSequenceShouldNotHaveNulls() {15    sequenceOf(1, 2, 3).shouldNotHaveNulls()16}17@DisplayName("test for Sequence.shouldStartWith method")18fun testSequenceShouldStartWith() {19    sequenceOf(1, 2, 3).shouldStartWith(1)20}21@DisplayName("test for Sequence.shouldStartWithAny method")22fun testSequenceShouldStartWithAny() {23    sequenceOf(1, 2, 3).shouldStartWithAny(listOf(1, 4, 5))24}25@DisplayName("test for Sequence.shouldStartWithAll method")26fun testSequenceShouldStartWithAll() {27    sequenceOf(1, 2, 3).shouldStartWithAll(listOf(1, 2))28}29@DisplayName("test for Sequence.shouldStartWithNone method")30fun testSequenceShouldStartWithNone() {31    sequenceOf(

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.