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

Copied to Clipboard!

How to use throwEmptyCollectionError method of io.kotest.matchers.collections.matchers class

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

matchers.kt

Source:matchers.kt

...401infix fun <T> Array<T>.shouldNotContainAnyOf(ts: Collection<T>) = asList().shouldNotContainAnyOf(ts)402infix fun <T> Collection<T>.shouldNotContainAnyOf(ts: Collection<T>) = this shouldNot containAnyOf(ts)403fun <T> containAnyOf(ts: Collection<T>) = object : Matcher<Collection<T>> {404   override fun test(value: Collection<T>): MatcherResult {405      if (ts.isEmpty()) throwEmptyCollectionError()406      return MatcherResult(407         ts.any { it in value },408         { "Collection should contain any of ${ts.joinToString(separator = ", ", limit = 10) { it.show().value }}" },409         { "Collection should not contain any of ${ts.joinToString(separator = ", ", limit = 10) { it.show().value }}" }410      )411   }412}413/**414 * Verifies that this instance is in [collection]415 *416 * Assertion to check that this instance is in [collection]. This assertion checks by reference, and not by value,417 * therefore the exact instance must be in [collection], or this will fail.418 *419 * An empty collection will always fail. If you need to check for empty collection, use [Collection.shouldBeEmpty]420 *421 * @see [shouldNotBeOneOf]422 * @see [beOneOf]423 */424infix fun <T> T.shouldBeOneOf(collection: Collection<T>) = this should beOneOf(collection)425/**426 * Verifies that this instance is NOT in [collection]427 *428 * Assertion to check that this instance is not in [collection]. This assertion checks by reference, and not by value,429 * therefore the exact instance must not be in [collection], or this will fail.430 *431 * An empty collection will always fail. If you need to check for empty collection, use [Collection.shouldBeEmpty]432 *433 * @see [shouldBeOneOf]434 * @see [beOneOf]435 */436infix fun <T> T.shouldNotBeOneOf(collection: Collection<T>) = this shouldNot beOneOf(collection)437/**438 * Verifies that this instance is any of [any]439 *440 * Assertion to check that this instance is any of [any]. This assertion checks by reference, and not by value,441 * therefore the exact instance must be in [any], or this will fail.442 *443 * An empty collection will always fail. If you need to check for empty collection, use [Collection.shouldBeEmpty]444 *445 * @see [shouldNotBeOneOf]446 * @see [beOneOf]447 */448fun <T> T.shouldBeOneOf(vararg any: T) = this should beOneOf(any.toList())449/**450 * Verifies that this instance is NOT any of [any]451 *452 * Assertion to check that this instance is not any of [any]. This assertion checks by reference, and not by value,453 * therefore the exact instance must not be in [any], or this will fail.454 *455 * An empty collection will always fail. If you need to check for empty collection, use [Collection.shouldBeEmpty]456 *457 * @see [shouldNotBeOneOf]458 * @see [beOneOf]459 */460fun <T> T.shouldNotBeOneOf(vararg any: T) = this shouldNot beOneOf(any.toList())461/**462 * Matcher that verifies that this instance is in [collection]463 *464 * Assertion to check that this instance is in [collection]. This matcher checks by reference, and not by value,465 * therefore the exact instance must be in [collection], or this will fail.466 *467 * An empty collection will always fail. If you need to check for empty collection, use [Collection.shouldBeEmpty]468 *469 * @see [shouldBeOneOf]470 * @see [shouldNotBeOneOf]471 */472fun <T> beOneOf(collection: Collection<T>) = object : Matcher<T> {473   override fun test(value: T): MatcherResult {474      if (collection.isEmpty()) throwEmptyCollectionError()475      val match = collection.any { it === value }476      return MatcherResult(477         match,478         "Collection should contain the instance of value, but doesn't.",479         "Collection should not contain the instance of value, but does."480      )481   }482}483/**484 * Verifies that this element is in [collection] by comparing value485 *486 * Assertion to check that this element is in [collection]. This assertion checks by value, and not by reference,487 * therefore even if the exact instance is not in [collection] but another instance with same value is present, the488 * test will pass.489 *490 * An empty collection will always fail. If you need to check for empty collection, use [Collection.shouldBeEmpty]491 *492 * @see [shouldNotBeIn]493 * @see [beIn]494 */495infix fun <T> T.shouldBeIn(collection: Collection<T>) = this should beIn(collection)496/**497 * Verifies that this element is NOT any of [collection]498 *499 * Assertion to check that this element is not any of [collection]. This assertion checks by value, and not by reference,500 * therefore any instance with same value must not be in [collection], or this will fail.501 *502 * An empty collection will always fail. If you need to check for empty collection, use [Collection.shouldBeEmpty]503 *504 * @see [shouldNotBeIn]505 * @see [beIn]506 */507infix fun <T> T.shouldNotBeIn(collection: Collection<T>) = this shouldNot beIn(collection.toList())508/**509 * Verifies that this element is any of [any] by comparing value510 *511 * Assertion to check that this element is any of [any]. This assertion checks by value, and not by reference,512 * therefore even if the exact instance is not any of [any] but another instance with same value is present, the513 * test will pass.514 *515 * An empty collection will always fail. If you need to check for empty collection, use [Collection.shouldBeEmpty]516 *517 * @see [shouldNotBeIn]518 * @see [beIn]519 */520fun <T> T.shouldBeIn(vararg any: T) = this should beIn(any.toList())521/**522 * Verifies that this element is NOT any of [any]523 *524 * Assertion to check that this element is not any of [any]. This assertion checks by value, and not by reference,525 * therefore any instance with same value must not be in [any], or this will fail.526 *527 * An empty collection will always fail. If you need to check for empty collection, use [Collection.shouldBeEmpty]528 *529 * @see [shouldNotBeIn]530 * @see [beIn]531 */532fun <T> T.shouldNotBeIn(vararg any: T) = this shouldNot beIn(any.toList())533/**534 * Verifies that this element is in [array] by comparing value535 *536 * Assertion to check that this element is in [array]. This assertion checks by value, and not by reference,537 * therefore even if the exact instance is not in [array] but another instance with same value is present, the538 * test will pass.539 *540 * An empty array will always fail. If you need to check for empty array, use [Array.shouldBeEmpty]541 *542 * @see [shouldNotBeIn]543 * @see [beIn]544 */545@JvmName("shouldBeInArray")546infix fun <T> T.shouldBeIn(array: Array<T>) = this should beIn(array.toList())547/**548 * Verifies that this element is NOT any of [array]549 *550 * Assertion to check that this element is not any of [array]. This assertion checks by value, and not by reference,551 * therefore any instance with same value must not be in [array], or this will fail.552 *553 * An empty array will always fail. If you need to check for empty array, use [Array.shouldBeEmpty]554 *555 * @see [shouldNotBeIn]556 * @see [beIn]557 */558@JvmName("shouldNotBeInArray")559infix fun <T> T.shouldNotBeIn(array: Array<T>) = this shouldNot beIn(array.toList())560/**561 *  Matcher that verifies that this element is in [collection] by comparing value562 *563 * Assertion to check that this element is in [collection]. This assertion checks by value, and not by reference,564 * therefore even if the exact instance is not in [collection] but another instance with same value is present, the565 * test will pass.566 *567 * An empty collection will always fail. If you need to check for empty collection, use [Collection.shouldBeEmpty]568 *569 * @see [shouldBeOneOf]570 * @see [shouldNotBeOneOf]571 */572fun <T> beIn(collection: Collection<T>) = object : Matcher<T> {573   override fun test(value: T): MatcherResult {574      if (collection.isEmpty()) throwEmptyCollectionError()575      val match = value in collection576      return MatcherResult(577         match,578         "Collection should contain ${value.show().value}, but doesn't. Possible values: ${collection.show().value}",579         "Collection should not contain ${value.show().value}, but does. Forbidden values: ${collection.show().value}"580      )581   }582}583private fun throwEmptyCollectionError(): Nothing {584   throw AssertionError("Asserting content on empty collection. Use Collection.shouldBeEmpty() instead.")585}...

bein.kt

Source:bein.kt

...113 * @see [shouldNotBeOneOf]114 */115fun <T> beIn(collection: Collection<T>) = object : Matcher<T> {116   override fun test(value: T): MatcherResult {117      if (collection.isEmpty()) throwEmptyCollectionError()118      val match = value in collection119      return MatcherResult(120         match,121         { "Collection should contain ${value.print().value}, but doesn't. Possible values: ${collection.print().value}" },122         {123            "Collection should not contain ${value.print().value}, but does. Forbidden values: ${collection.print().value}"124         })125   }126}...

oneof.kt

Source:oneof.kt

...76 * @see [shouldNotBeOneOf]77 */78fun <T> beOneOf(collection: Collection<T>) = object : Matcher<T> {79   override fun test(value: T): MatcherResult {80      if (collection.isEmpty()) throwEmptyCollectionError()81      val match = collection.any { it === value }82      return MatcherResult(83         match,84         { "Collection should contain the instance ${value.print().value} with hashcode ${value.hashCode()}." },85         { "Collection should not contain the instance ${value.print().value} with hashcode ${value.hashCode()}." })86   }87}...

throwEmptyCollectionError

Using AI Code Generation

1val emptyList = emptyList()2emptyList should throwEmptyCollectionError()3val emptyList = emptyList()4emptyList should throwEmptyCollectionError()5val emptyList = emptyList()6emptyList should throwEmptyCollectionError()7val emptyList = emptyList()8emptyList should throwEmptyCollectionError()9val emptyList = emptyList()10emptyList should throwEmptyCollectionError()11val emptyList = emptyList()12emptyList should throwEmptyCollectionError()13val emptyList = emptyList()14emptyList should throwEmptyCollectionError()15val emptyList = emptyList()16emptyList should throwEmptyCollectionError()17val emptyList = emptyList()18emptyList should throwEmptyCollectionError()19val emptyList = emptyList()20emptyList should throwEmptyCollectionError()21val emptyList = emptyList()22emptyList should throwEmptyCollectionError()23val emptyList = emptyList()24emptyList should throwEmptyCollectionError()25val emptyList = emptyList()26emptyList should throwEmptyCollectionError()27val emptyList = emptyList()28emptyList should throwEmptyCollectionError()

throwEmptyCollectionError

Using AI Code Generation

1throwEmptyCollectionError ( "  " )2throwEmptyMapError ( "  " )3throwEmptySetError ( "  " )4throwEmptySequenceError ( "  " )5throwEmptyStringError ( "  " )6throwEmptyArrayError ( "  " )7throwEmptyIterableError ( "  " )8throwEmptyIteratorError ( "  " )9throwEmptyListError ( "  " )10throwEmptyMapError ( "  " )11throwEmptySetError ( "  " )12throwEmptySequenceError ( "  " )13throwEmptyStringError ( "  " )14throwEmptyArrayError ( "  " )15throwEmptyIterableError ( "  " )16throwEmptyIteratorError ( "  " )17throwEmptyListError ( "  " )

throwEmptyCollectionError

Using AI Code Generation

1@DisplayName("Testing empty collection") @Test fun testEmptyCollection() { val list = listOf<String>() throwEmptyCollectionError(list) }2at io.kotest.matchers.collections.matchers.throwEmptyCollectionError(matchers.kt:81)3at io.kotest.matchers.collections.matchers.throwEmptyCollectionError$default(matchers.kt:79)4at io.kotest.matchers.collections.matchers.throwEmptyCollectionError(matchers.kt)5at io.kotest.matchers.collections.matchers.throwEmptyCollectionError(matchers.kt:1)6at io.kotest.matchers.collections.matchers.throwEmptyCollectionError$default(matchers.kt:79)7at io.kotest.matchers.collections.matchers.throwEmptyCollectionError(matchers.kt)8at io.kotest.matchers.collections.matchers.throwEmptyCollectionError(matchers.kt:1)9at io.kotest.matchers.collections.matchers.throwEmptyCollectionError$default(matchers.kt:79)10at io.kotest.matchers.collections.matchers.throwEmptyCollectionError(matchers.kt)11at io.kotest.matchers.collections.matchers.throwEmptyCollectionError(matchers.kt:1)12at io.kotest.matchers.collections.matchers.throwEmptyCollectionError$default(matchers.kt:79)13at io.kotest.matchers.collections.matchers.throwEmptyCollectionError(matchers.kt)14at io.kotest.matchers.collections.matchers.throwEmptyCollectionError(matchers.kt:1)15at io.kotest.matchers.collections.matchers.throwEmptyCollectionError$default(matchers.kt:79)16at io.kotest.matchers.collections.matchers.throwEmptyCollectionError(matchers.kt)17at io.kotest.matchers.collections.matchers.throwEmptyCollectionError(matchers.kt:1)18at io.kotest.matchers.collections.matchers.throwEmptyCollectionError$default(matchers.kt:79)19at io.kotest.matchers.collections.matchers.throwEmptyCollectionError(matchers.kt)20at io.kotest.matchers.collections.matchers.throwEmptyCollectionError(matchers.kt:1)21at io.kotest.matchers.collections.matchers.throwEmptyCollectionError$default(matchers.kt:79)22at io.kotest.matchers.collections.matchers.throwEmptyCollectionError(matchers.kt)

throwEmptyCollectionError

Using AI Code Generation

1@Throws( AssertionError ::class) fun <T> Collection <T>.shouldNotBeEmpty (message : String ? = null) { if ( this .isEmpty()) { throwEmptyCollectionError ( this , message ) } }2@Throws( AssertionError ::class) fun <T> Collection <T>.shouldNotBeEmpty (message : String ? = null) { if ( this .isEmpty()) { throwEmptyCollectionError ( this , message ) } }3@Throws( AssertionError ::class) fun <T> Collection <T>.shouldNotBeEmpty (message : String ? = null) { if ( this .isEmpty()) { throwEmptyCollectionError ( this , message ) } }4@Throws( AssertionError ::class) fun <T> Collection <T>.shouldNotBeEmpty (message : String ? = null) { if ( this .isEmpty()) { throwEmptyCollectionError ( this , message ) } }5@Throws( AssertionError ::class) fun <T> Collection <T>.shouldNotBeEmpty (message : String ? = null) { if ( this .isEmpty()) { throwEmptyCollectionError ( this , message ) } }6@Throws( AssertionError ::class) fun <T> Collection <T>.shouldNotBeEmpty (message : String ? = null) { if ( this .isEmpty()) { throwEmptyCollectionError ( this , message ) } }7@Throws( AssertionError ::class) fun <T> Collection <T>.shouldNotBeEmpty (message : String ? = null) { if ( this .isEmpty()) { throwEmptyCollectionError ( this , message ) } }8@Throws( AssertionError ::class) fun <T> Collection <T>.shouldNotBeEmpty (message : String ? = null) { if

throwEmptyCollectionError

Using AI Code Generation

1    }2}3import io.kotest.assertions.throwables.shouldThrow4import io.kotest.matchers.collections.matchers.throwEmptyCollectionError5import org.junit.jupiter.api.Test6import java.util.*7class Example3 {8    fun testThrowEmptyCollectionError() {9        val list = ArrayList<Int>()10        shouldThrow<EmptyCollectionError> {11            list.throwEmptyCollectionError()12        }13    }14}15import io.kotest.assertions.throwables.shouldThrow16import io.kotest.matchers.collections.matchers.throwEmptyCollectionError17import org.junit.jupiter.api.Test18import java.util.*19class Example4 {20    fun testThrowEmptyCollectionError() {21        val list = ArrayList<Int>()22        shouldThrow<EmptyCollectionError> {23            list.throwEmptyCollectionError()24        }25    }26}27import io.kotest.assertions.throwables.shouldThrow28import io.kotest.matchers.collections.matchers.throwEmptyCollectionError29import org.junit.jupiter.api.Test30import java.util.*31class Example5 {32    fun testThrowEmptyCollectionError() {33        val list = ArrayList<Int>()34        shouldThrow<EmptyCollectionError> {35            list.throwEmptyCollectionError()36        }37    }38}39import io.kotest.assertions.throwables.shouldThrow40import io.kotest.matchers.collections.matchers.throwEmptyCollectionError

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.