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

Copied to Clipboard!

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

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

AbstractDependencyNavigatorTest.kt

Source:AbstractDependencyNavigatorTest.kt

...17 * License-Filename: LICENSE18 */19package org.ossreviewtoolkit.model20import io.kotest.core.spec.style.WordSpec21import io.kotest.matchers.collections.beEmpty22import io.kotest.matchers.collections.contain23import io.kotest.matchers.collections.containAll24import io.kotest.matchers.collections.containExactly25import io.kotest.matchers.collections.containExactlyInAnyOrder26import io.kotest.matchers.collections.haveSize27import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder28import io.kotest.matchers.maps.containExactly as containExactlyEntries29import io.kotest.matchers.sequences.beEmpty as beEmptySequence30import io.kotest.matchers.sequences.containExactly as containSequenceExactly31import io.kotest.matchers.should32import io.kotest.matchers.shouldBe33import io.kotest.matchers.shouldNot34import io.kotest.matchers.shouldNotBe35import java.io.File36import java.time.Instant37import org.ossreviewtoolkit.utils.test.readOrtResult38import org.ossreviewtoolkit.utils.test.shouldNotBeNull39/**40 * A base class for tests of concrete [DependencyNavigator] implementations.41 *42 * The class is configured with an ORT result file that contains the expected results in a specific format. It then43 * runs tests on the [DependencyNavigator] of this result and checks whether it returns the correct dependency44 * information.45 */46abstract class AbstractDependencyNavigatorTest : WordSpec() {47    /** The name of the result file to be used by all test cases. */48    protected abstract val resultFileName: String49    /**50     * The name of the file with a result that contains issues. This is used by tests of the collectIssues() function.51     */52    protected abstract val resultWithIssuesFileName: String53    private val testResult by lazy { readOrtResult(resultFileName) }54    private val testProject by lazy { testResult.getProject(PROJECT_ID)!! }55    protected val navigator by lazy { testResult.dependencyNavigator }56    init {57        "scopeNames" should {58            "return the scope names of a project" {59                navigator.scopeNames(testProject) should containExactlyInAnyOrder("compile", "test")60            }61        }62        "directDependencies" should {63            "return the direct dependencies of a project" {64                navigator.directDependencies(testProject, "test").map { it.id } should containSequenceExactly(65                    Identifier("Maven:org.scalacheck:scalacheck_2.12:1.13.5"),66                    Identifier("Maven:org.scalatest:scalatest_2.12:3.0.4")67                )68            }69            "return an empty sequence for an unknown scope" {70                navigator.directDependencies(testProject, "unknownScope") should beEmptySequence()71            }72        }73        "scopeDependencies" should {74            "return a map with scopes and their dependencies for a project" {75                val scopeDependencies = navigator.scopeDependencies(testProject)76                scopeDependencies.keys should containExactlyInAnyOrder("compile", "test")77                scopeDependencies["compile"] shouldNotBeNull {78                    this should haveSize(17)79                    this should containAll(80                        Identifier("Maven:com.typesafe.akka:akka-actor_2.12:2.5.6"),81                        Identifier("Maven:org.scala-lang:scala-reflect:2.12.2"),82                        Identifier("Maven:org.scala-lang:scala-library:2.12.3")83                    )84                }85                scopeDependencies["test"] shouldNotBeNull {86                    this should haveSize(6)87                    this should containAll(88                        Identifier("Maven:org.scalacheck:scalacheck_2.12:1.13.5"),89                        Identifier("Maven:org.scalactic:scalactic_2.12:3.0.4")90                    )91                }92            }93            "return a map with scopes and their direct dependencies by using maxDepth = 1" {94                val scopeDependencies = navigator.scopeDependencies(testProject, maxDepth = 1)95                scopeDependencies["compile"] shouldNotBeNull {96                    this should haveSize(7)97                    this shouldNot contain(Identifier("Maven:com.typesafe.akka:akka-actor_2.12:2.5.6"))98                }99            }100            "return a map with scopes and their dependencies up to a given maxDepth" {101                val scopeDependencies = navigator.scopeDependencies(testProject, maxDepth = 2)102                scopeDependencies["compile"] shouldNotBeNull {103                    this should haveSize(14)104                    this shouldNot contain(105                        Identifier("Maven:org.scala-lang.modules:scala-java8-compat_2.12:0.8.0")106                    )107                }108            }109            "return a map with scopes and their dependencies with filter criteria" {110                val matchedIds = mutableSetOf<Identifier>()111                val scopeDependencies = navigator.scopeDependencies(testProject) { node ->112                    matchedIds += node.id113                    node.id.namespace == "com.typesafe.akka"114                }115                scopeDependencies["compile"] shouldNotBeNull {116                    this should containExactlyInAnyOrder(117                        Identifier("Maven:com.typesafe.akka:akka-actor_2.12:2.5.6"),118                        Identifier("Maven:com.typesafe.akka:akka-stream_2.12:2.5.6")119                    )120                }121                matchedIds should haveSize(23)122            }123        }124        "dependenciesForScope" should {125            "return an empty set for an unknown scope" {126                navigator.dependenciesForScope(testProject, "unknownScope") should beEmpty()127            }128            "return the dependencies of a specific scope" {129                val compileDependencies = navigator.dependenciesForScope(testProject, "compile")130                compileDependencies should haveSize(17)131                compileDependencies should containAll(132                    Identifier("Maven:com.typesafe.akka:akka-actor_2.12:2.5.6"),133                    Identifier("Maven:org.scala-lang:scala-reflect:2.12.2"),134                    Identifier("Maven:org.scala-lang:scala-library:2.12.3")135                )136            }137            "return the dependencies of a specific scope up to a given maxDepth" {138                val compileDependencies = navigator.dependenciesForScope(testProject, "compile", maxDepth = 2)139                compileDependencies should haveSize(14)140                compileDependencies shouldNot contain(141                    Identifier("Maven:org.scala-lang.modules:scala-java8-compat_2.12:0.8.0")142                )143            }144            "return the dependencies of a specific scope with filter criteria" {145                val akkaDependencies = navigator.dependenciesForScope(testProject, "compile") { node ->146                    "akka" in node.id.namespace147                }148                akkaDependencies.shouldContainExactlyInAnyOrder(149                    Identifier("Maven:com.typesafe.akka:akka-actor_2.12:2.5.6"),150                    Identifier("Maven:com.typesafe.akka:akka-stream_2.12:2.5.6")151                )152            }153        }154        "packageDependencies" should {155            "return the dependencies of an existing package in a project" {156                val pkgId = Identifier("Maven:com.typesafe.akka:akka-stream_2.12:2.5.6")157                val dependencies = navigator.packageDependencies(testProject, pkgId)158                dependencies should containExactlyInAnyOrder(159                    Identifier("Maven:com.typesafe:ssl-config-core_2.12:0.2.2"),160                    Identifier("Maven:com.typesafe.akka:akka-actor_2.12:2.5.6"),161                    Identifier("Maven:org.scala-lang.modules:scala-java8-compat_2.12:0.8.0"),162                    Identifier("Maven:org.reactivestreams:reactive-streams:1.0.1")163                )164            }165            "return an empty set for the dependencies of a non-existing package" {166                val pkgId = Identifier("Maven:com.typesafe.akka:akka-actor_2.12:2.5.7")167                val dependencies = navigator.packageDependencies(testProject, pkgId)168                dependencies should beEmpty()169            }170            "support a maxDepth filter" {171                val pkgId = Identifier("Maven:com.typesafe.akka:akka-stream_2.12:2.5.6")172                val dependencies = navigator.packageDependencies(testProject, pkgId, maxDepth = 1)173                dependencies should containExactlyInAnyOrder(174                    Identifier("Maven:com.typesafe:ssl-config-core_2.12:0.2.2"),175                    Identifier("Maven:com.typesafe.akka:akka-actor_2.12:2.5.6"),176                    Identifier("Maven:org.reactivestreams:reactive-streams:1.0.1")177                )178            }179            "support a DependencyMatcher" {180                val pkgId = Identifier("Maven:com.typesafe.akka:akka-stream_2.12:2.5.6")181                val dependencies = navigator.packageDependencies(testProject, pkgId) { node ->182                    node.id.namespace.startsWith("com.typesafe")183                }184                dependencies should containExactlyInAnyOrder(185                    Identifier("Maven:com.typesafe:ssl-config-core_2.12:0.2.2"),186                    Identifier("Maven:com.typesafe.akka:akka-actor_2.12:2.5.6")187                )188            }189        }190        "getShortestPaths" should {191            "return the shortest paths for a project" {192                val paths = navigator.getShortestPaths(testProject)193                paths.keys should haveSize(2)194                paths["compile"] shouldNotBeNull {195                    this should containExactlyEntries(196                        Identifier("Maven:ch.qos.logback:logback-classic:1.2.3") to emptyList(),197                        Identifier("Maven:ch.qos.logback:logback-core:1.2.3") to listOf(198                            Identifier("Maven:ch.qos.logback:logback-classic:1.2.3")199                        ),200                        Identifier("Maven:com.fasterxml.jackson.core:jackson-annotations:2.8.0") to listOf(201                            Identifier("Maven:net.logstash.logback:logstash-logback-encoder:4.11"),202                            Identifier("Maven:com.fasterxml.jackson.core:jackson-databind:2.8.9")203                        ),204                        Identifier("Maven:com.fasterxml.jackson.core:jackson-core:2.8.9") to listOf(205                            Identifier("Maven:net.logstash.logback:logstash-logback-encoder:4.11"),206                            Identifier("Maven:com.fasterxml.jackson.core:jackson-databind:2.8.9")207                        ),208                        Identifier("Maven:com.fasterxml.jackson.core:jackson-databind:2.8.9") to listOf(209                            Identifier("Maven:net.logstash.logback:logstash-logback-encoder:4.11")210                        ),211                        Identifier("Maven:com.typesafe.akka:akka-actor_2.12:2.5.6") to listOf(212                            Identifier("Maven:com.typesafe.akka:akka-stream_2.12:2.5.6")213                        ),214                        Identifier("Maven:com.typesafe.akka:akka-stream_2.12:2.5.6") to emptyList(),215                        Identifier("Maven:com.typesafe:config:1.3.1") to emptyList(),216                        Identifier("Maven:com.typesafe.scala-logging:scala-logging_2.12:3.7.2") to emptyList(),217                        Identifier("Maven:com.typesafe:ssl-config-core_2.12:0.2.2") to listOf(218                            Identifier("Maven:com.typesafe.akka:akka-stream_2.12:2.5.6")219                        ),220                        Identifier("Maven:net.logstash.logback:logstash-logback-encoder:4.11") to emptyList(),221                        Identifier("Maven:org.scala-lang:scala-library:2.12.3") to emptyList(),222                        Identifier("Maven:org.scala-lang:scala-reflect:2.12.2") to listOf(223                            Identifier("Maven:com.typesafe.scala-logging:scala-logging_2.12:3.7.2")224                        ),225                        Identifier("Maven:org.scala-lang.modules:scala-java8-compat_2.12:0.8.0") to listOf(226                            Identifier("Maven:com.typesafe.akka:akka-stream_2.12:2.5.6"),227                            Identifier("Maven:com.typesafe.akka:akka-actor_2.12:2.5.6")228                        ),229                        Identifier("Maven:org.reactivestreams:reactive-streams:1.0.1") to listOf(230                            Identifier("Maven:com.typesafe.akka:akka-stream_2.12:2.5.6")231                        ),232                        Identifier("Maven:org.slf4j:jcl-over-slf4j:1.7.25") to emptyList(),233                        Identifier("Maven:org.slf4j:slf4j-api:1.7.25") to listOf(234                            Identifier("Maven:ch.qos.logback:logback-classic:1.2.3")235                        ),236                    )237                }238            }239        }240        "projectDependencies" should {241            "return the dependencies of a project" {242                val scopeDependencies = navigator.scopeDependencies(testProject)243                val projectDependencies = navigator.projectDependencies(testProject)244                scopeDependencies.keys should containExactlyInAnyOrder("compile", "test")245                val expectedDependencies = scopeDependencies.getValue("compile") + scopeDependencies.getValue("test")246                projectDependencies should containExactlyInAnyOrder(expectedDependencies)247            }248            "support filtering the dependencies of a project" {249                val dependencies = navigator.projectDependencies(testProject, 1) {250                    it.linkage != PackageLinkage.PROJECT_DYNAMIC251                }252                dependencies should containExactlyInAnyOrder(253                    Identifier("Maven:ch.qos.logback:logback-classic:1.2.3"),254                    Identifier("Maven:com.typesafe:config:1.3.1"),255                    Identifier("Maven:com.typesafe.akka:akka-stream_2.12:2.5.6"),256                    Identifier("Maven:com.typesafe.scala-logging:scala-logging_2.12:3.7.2"),257                    Identifier("Maven:net.logstash.logback:logstash-logback-encoder:4.11"),258                    Identifier("Maven:org.scala-lang:scala-library:2.12.3"),259                    Identifier("Maven:org.slf4j:jcl-over-slf4j:1.7.25"),260                    Identifier("Maven:org.scalacheck:scalacheck_2.12:1.13.5"),261                    Identifier("Maven:org.scalatest:scalatest_2.12:3.0.4")262                )263            }264            "return no dependencies for a maxDepth of 0" {265                val dependencies = navigator.projectDependencies(testProject, 0)266                dependencies should beEmpty()267            }268        }269        "collectSubProjects" should {270            "find all the sub projects of a project" {271                val projectId = Identifier("SBT:com.pbassiner:multi1_2.12:0.1-SNAPSHOT")272                testResult.getProject(projectId) shouldNotBeNull {273                    val subProjectIds = navigator.collectSubProjects(this)274                    subProjectIds should containExactly(PROJECT_ID)275                }276            }277        }278        "dependencyTreeDepth" should {279            "calculate the dependency tree depth for a project" {280                navigator.dependencyTreeDepth(testProject, "compile") shouldBe 3...

matchers.kt

Source:matchers.kt

...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(...

DeviceRepositoryTestBase.kt

Source:DeviceRepositoryTestBase.kt

...7import de.igorakkerman.demo.deviceconfig.application.Display8import de.igorakkerman.demo.deviceconfig.application.DisplayUpdate9import de.igorakkerman.demo.deviceconfig.application.Resolution10import io.kotest.assertions.throwables.shouldThrow11import io.kotest.matchers.collections.beEmpty12import io.kotest.matchers.collections.containExactlyInAnyOrder13import io.kotest.matchers.sequences.shouldExist14import io.kotest.matchers.should15import io.kotest.matchers.shouldBe16import org.junit.jupiter.api.Test17import org.springframework.transaction.annotation.Propagation18import org.springframework.transaction.annotation.Transactional19import javax.validation.ConstraintViolationException20@Transactional21abstract class DeviceRepositoryTestBase(22    private val deviceRepository: DeviceRepository,23) {24    private val computer = Computer(25        id = "pc-win10-0815",26        name = "workpc-0815",27        username = "root",28        password = "topsecret",29        ipAddress = "127.0.0.1",30    )31    private val display = Display(32        id = "screen-samsung4k-4711",33        name = "workscreen-4711",34        resolution = Resolution.UHD35    )36    @Test37    fun `create two Devices, findDeviceById should find the right one`() {38        // given39        deviceRepository.createDevice(computer)40        deviceRepository.createDevice(display)41        flushAndClear()42        // when43        val foundComputer = deviceRepository.findDeviceById(computer.id)44        val foundDisplay = deviceRepository.findDeviceById(display.id)45        // then46        foundComputer shouldBe computer47        foundDisplay shouldBe display48    }49    @Test50    fun `create Device, findDeviceById should not find by unknown id`() {51        // given52        deviceRepository.createDevice(computer)53        flushAndClear()54        // when / then55        shouldThrow<DeviceNotFoundException> {56            deviceRepository.findDeviceById(display.id)57        }58    }59    @Test60    fun `create two Devices, findDeviceTypeById should find the type`() {61        // given62        deviceRepository.createDevice(computer)63        deviceRepository.createDevice(display)64        flushAndClear()65        // when66        val foundDisplayType = deviceRepository.findDeviceTypeById(display.id)67        val foundComputerType = deviceRepository.findDeviceTypeById(computer.id)68        // then69        foundComputerType shouldBe Computer::class70        foundDisplayType shouldBe Display::class71    }72    @Test73    fun `creating two Devices of same type with the same id should throw Exception`() {74        // given75        deviceRepository.createDevice(computer)76        flushAndClear()77        // when/then78        shouldThrow<DeviceAreadyExistsException> {79            deviceRepository.createDevice(80                computer.copy(81                    id = computer.id,82                    name = "different name",83                    username = "different username"84                )85            )86            flushAndClear()87        }88    }89    @Test90    fun `creating two Devices of different type with the same id should throw Exception`() {91        // given92        deviceRepository.createDevice(computer)93        flushAndClear()94        // when/then95        shouldThrow<DeviceAreadyExistsException> {96            deviceRepository.createDevice(97                display.copy(98                    id = computer.id99                )100            )101            flushAndClear()102        }103    }104    @Test105    fun `create, then update data of Computer, findDeviceById should return updated values`() {106        // given107        deviceRepository.createDevice(computer)108        flushAndClear()109        val computerUpdate = ComputerUpdate(110            name = "deskscreen-0815",111            ipAddress = "192.168.178.111"112        )113        // when114        deviceRepository.updateDevice(computer.id, computerUpdate)115        flushAndClear()116        // then117        val foundDevice = deviceRepository.findDeviceById(computer.id)118        foundDevice shouldBe computer.copy(119            name = computerUpdate.name!!,120            ipAddress = computerUpdate.ipAddress!!121        )122    }123    @Test124    fun `create, then update data of Display, findDeviceById should return updated values`() {125        // given126        deviceRepository.createDevice(display)127        flushAndClear()128        val displayUpdate = DisplayUpdate(129            name = "deskscreen-0815",130            resolution = Resolution.HD131        )132        // when133        deviceRepository.updateDevice(display.id, displayUpdate)134        flushAndClear()135        // then136        val foundDevice = deviceRepository.findDeviceById(display.id)137        foundDevice shouldBe display.copy(138            name = displayUpdate.name!!,139            resolution = displayUpdate.resolution!!140        )141    }142    @Test143    fun `update data in unknown device should throw Exception`() {144        // given145        // empty database146        // when/then147        shouldThrow<DeviceNotFoundException> {148            deviceRepository.updateDevice("unknown-id", DisplayUpdate())149        }150    }151    @Test152    fun `create, then replace Computer, findDeviceById should return updated values`() {153        // given154        deviceRepository.createDevice(computer)155        flushAndClear()156        // when157        val updatedComputer = computer.copy(158            name = "deskpc-0815",159            ipAddress = "34.245.198.211"160        )161        deviceRepository.replaceDevice(updatedComputer)162        flushAndClear()163        // then164        val foundDevice = deviceRepository.findDeviceById(computer.id)165        foundDevice shouldBe updatedComputer166    }167    @Test168    fun `create, then replace Display, findDeviceById should return updated values`() {169        // given170        deviceRepository.createDevice(display)171        flushAndClear()172        val updatedDisplay = display.copy(173            name = "deskscreen-0815",174            resolution = Resolution.HD175        )176        // when177        deviceRepository.replaceDevice(updatedDisplay)178        flushAndClear()179        // then180        val foundDevice = deviceRepository.findDeviceById(display.id)181        foundDevice shouldBe updatedDisplay182    }183    @Test184    fun `replace unknown device should throw Exception`() {185        // given186        // empty database187        // when/then188        shouldThrow<DeviceNotFoundException> {189            deviceRepository.replaceDevice(display.copy(id = "unknown-id"))190        }191    }192    @Test193    fun `create two Devices, findAllDevices should find both Devices`() {194        // given195        deviceRepository.createDevice(computer)196        deviceRepository.createDevice(display)197        flushAndClear()198        // when199        val foundDevices = deviceRepository.findAllDevices()200        // then201        foundDevices should containExactlyInAnyOrder(computer, display)202    }203    @Test204    fun `in empty database, findAllDevices should return empty list`() {205        // given206        // empty database207        // when208        val foundDevices = deviceRepository.findAllDevices()209        // then210        foundDevices should beEmpty()211    }212    @Test213    // allow catching TransactionException from repository transaction214    // alternative: run non-transactional, that is, outside a @DataJpaTest or @Transactional-annotated class215    @Transactional(propagation = Propagation.SUPPORTS)216    fun `ip address should have IPv4 format`() {217        // A bad ip address should not even make it to the application layer (or the persistence layer).218        // This test makes sure that if for some reason the prior level checks fail,219        // the item is not persisted and the persistence layer responds with some kind of Exception,220        // that has, at some point down the cause stack, a ConstraintViolationException.221        // The actual Exception type or the level of exceptions are implementation details and not part of the test.222        // given223        val newComputer = computer.copy(224            ipAddress = "::1"...

beEmpty

Using AI Code Generation

1shouldHaveSize(2)2shouldHaveAtLeastSize(2)3shouldHaveAtMostSize(2)4shouldContain(2)5shouldContainAll(2, 3)6shouldContainNone(2, 3)7shouldContainExactly(2, 3)8shouldContainExactlyInAnyOrder(2, 3)9shouldContainOnly(2, 3)10shouldContainInOrder(2, 3)11shouldContainSame(2, 3)12shouldContainSameInAnyOrder(2, 3)13shouldContainSameInOrder(2, 3)14shouldContainAllInOrder(2, 3)15shouldContainAllInAnyOrder(2

beEmpty

Using AI Code Generation

1    val seq = sequenceOf(1, 2, 3)2    seq should beEmpty()3    seq should notBeEmpty()4    val coll = listOf(1, 2, 3)5    coll should beEmpty()6    coll should notBeEmpty()

beEmpty

Using AI Code Generation

1@DisplayName ( "Empty Sequence" )2fun  testSequenceEmpty() {3val  emptySequence = sequenceOf()4emptySequence.shouldBeEmpty()5}6@DisplayName ( "Empty Collection" )7fun  testCollectionEmpty() {8val  emptyCollection = listOf()9emptyCollection.shouldBeEmpty()10}11@DisplayName ( "Empty Map" )12fun  testMapEmpty() {13val  emptyMap = mapOf()14emptyMap.shouldBeEmpty()15}16}

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.