[Live Now] Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Join for FREE! Join TestMu Conference

How to use containNull method of io.kotest.matchers.sequences.matchers class

Best Kotest code snippet using io.kotest.matchers.sequences.matchers.containNull

matchers.kt

Source:matchers.kt

...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" },...

containNull

Using AI Code Generation

1    import io.kotest.matchers.sequences.containNull2    import io.kotest.core.spec.style.StringSpec3    import io.kotest.matchers.should4    import io.kotest.matchers.shouldBe5    import io.kotest.matchers.shouldNot6    class SequenceTest : StringSpec({7        "should check for null" {8            val seq = sequenceOf(1, 2, null, 4)9            seq should containNull()10        }11        "should check for null and not" {12            val seq = sequenceOf(1, 2, 3, 4)

containNull

Using AI Code Generation

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

containNull

Using AI Code Generation

1val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) seq . shouldContainNull ()2val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) seq . shouldNotContainNull ()3val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) seq . shouldContainAll ( 1 , 2 , 3 , 4 , 5 )4val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) seq . shouldContainAll ( sequenceOf ( 1 , 2 , 3 , 4 , 5 ))5val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) seq . shouldNotContainAll ( 1 , 2 , 3 , 4 , 5 )6val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) seq . shouldNotContainAll ( sequenceOf ( 1 , 2 , 3 , 4 , 5 ))7val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) seq . shouldContainAny ( 1 , 2 , 3 , 4 , 5 )8val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) seq . shouldContainAny ( sequenceOf ( 1 , 2 , 3 , 4 , 5 ))9val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5

containNull

Using AI Code Generation

1fun testContainNull() {2    val seq = sequenceOf("one", null, "three")3    seq should containNull()4}5fun testContainExactlyNulls() {6    val seq = sequenceOf(null, null, null)7    seq should containExactlyNulls()8}9fun testContainExactlyInAnyOrderNulls() {10    val seq = sequenceOf(null, null, null)11    seq should containExactlyInAnyOrderNulls()12}13fun testContainExactlyInOrderNulls() {14    val seq = sequenceOf(null, null, null)15    seq should containExactlyInOrderNulls()16}17fun testContainExactly() {18    val seq = sequenceOf(1, 2, 3)19    seq should containExactly(1, 2, 3)20}21fun testContainExactlyInAnyOrder() {22    val seq = sequenceOf(1, 2, 3)23    seq should containExactlyInAnyOrder(1, 2, 3)24}25fun testContainExactlyInOrder() {26    val seq = sequenceOf(1, 2, 3)27    seq should containExactlyInOrder(1, 2, 3)28}29fun testContainExactlyInOrder() {30    val seq = sequenceOf(1, 2, 3)31    seq should containExactlyInOrder(1, 2, 3)32}33fun testContainExactlyInOrder() {34    val seq = sequenceOf(1, 2, 3)35    seq should containExactlyInOrder(1, 2,

containNull

Using AI Code Generation

1fun main() { val seq = sequenceOf(1, 2, null, 3, 4) seq.shouldContainNull() }2fun main() { val seq = sequenceOf(1, 2, null, 3, 4) seq.shouldContainNull() }3fun main() { val seq = sequenceOf(1, 2, null, 3, 4) seq.shouldContainNull() }4fun main() { val seq = sequenceOf(1, 2, null, 3, 4) seq.shouldContainNull() }5fun main() { val seq = sequenceOf(1, 2, null, 3, 4) seq.shouldContainNull() }6fun main() { val seq = sequenceOf(1, 2, null, 3, 4) seq.shouldContain

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.