How to use getTestInstances method of io.kotest.extensions.junit5.KotestExtensionContext class

Best Kotest code snippet using io.kotest.extensions.junit5.KotestExtensionContext.getTestInstances

KotestExtensionContext.kt

Source: KotestExtensionContext.kt Github

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...35 override fun getTestInstance(): Optional<Any> = when (testCase) {36 null -> Optional.of(spec)37 else -> Optional.of(testCase)38 }39 override fun getTestInstances(): Optional<TestInstances> = Optional.of(KotestTestInstances(spec))40 override fun getExecutionException(): Optional<Throwable> = Optional.empty()41 override fun getConfigurationParameter(key: String?): Optional<String> = Optional.empty()42 override fun publishReportEntry(map: MutableMap<String, String>?) {}43 override fun getStore(namespace: ExtensionContext.Namespace): ExtensionContext.Store {44 return ExtensionStore(namespace)45 }46}47@Suppress("UNCHECKED_CAST")48class KotestTestInstances(private val instance: Spec) : TestInstances {49 override fun getInnermostInstance(): Any = instance50 override fun getEnclosingInstances(): MutableList<Any> = mutableListOf(instance)51 override fun getAllInstances(): MutableList<Any> = mutableListOf(instance)52 override fun <T : Any> findInstance(requiredType: Class<T>): Optional<T> =53 when (requiredType.name) {...

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getTestInstances

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1val testInstances = KotestExtensionContext.getTestInstances(context)2val testInstance = KotestExtensionContext.getTestInstance(context)3val testInstanceFactory = KotestExtensionContext.getTestInstanceFactory(context)4val testDescriptor = KotestExtensionContext.getTestDescriptor(context)5val testDescriptorFactory = KotestExtensionContext.getTestDescriptorFactory(context)6val testDescriptorUniqueId = KotestExtensionContext.getTestDescriptorUniqueId(context)7val testDescriptorType = KotestExtensionContext.getTestDescriptorType(context)8val testDescriptorTags = KotestExtensionContext.getTestDescriptorTags(context)9val testDescriptorDisplayName = KotestExtensionContext.getTestDescriptorDisplayName(context)10val testDescriptorSource = KotestExtensionContext.getTestDescriptorSource(context)11val testDescriptorChildren = KotestExtensionContext.getTestDescriptorChildren(context)12val testDescriptorParent = KotestExtensionContext.getTestDescriptorParent(context)13val testDescriptorClassSource = KotestExtensionContext.getTestDescriptorClassSource(context)

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getTestInstances

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1 val testInstances = KotestExtensionContext.getTestInstances(context)2 val testInstance = KotestExtensionContext.getTestInstance(context)3 val testInstanceFactory = KotestExtensionContext.getTestInstanceFactory(context)4 val testInstanceFactory = KotestExtensionContext.getTestInstanceFactory(context)5 val testDescriptor = KotestExtensionContext.getTestDescriptor(context)6 val spec = KotestExtensionContext.getSpec(context)7 val specInstance = KotestExtensionContext.getSpecInstance(context)8 val specInstanceFactory = KotestExtensionContext.getSpecInstanceFactory(context)9 val specDescriptor = KotestExtensionContext.getSpecDescriptor(context)10 val testDescriptor = KotestExtensionContext.getTestDescriptor(context)11 val testDescriptor = KotestExtensionContext.getTestDescriptor(context)12 val testDescriptor = KotestExtensionContext.getTestDescriptor(context)13 val testDescriptor = KotestExtensionContext.getTestDescriptor(context)

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getTestInstances

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1fun getTestInstances() : List<Any> {2val testInstances = mutableListOf<Any>()3val testInstancesField = this.javaClass.getDeclaredField("testInstances")4testInstancesField.get(this)?.let {5testInstances.addAll(testInstancesValue.values)6}7}8fun getTestInstance() : Any? {9val testInstances = getTestInstances()10return if (testInstances.isEmpty()) null else testInstances[0]11}12fun getTestInstanceOrNull() : Any? {13val testInstances = getTestInstances()14return if (testInstances.isEmpty()) null else testInstances[0]15}16}

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getTestInstances

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1val extensionContext = ExtensionContext.of(testDescriptor)2val testInstances = KotestExtensionContext.getTestInstances(extensionContext)3class KotestExtensionContext {4 companion object {5 fun getTestInstances(extensionContext: ExtensionContext): List<Any> {6 return extensionContext.getTestInstances()7 }8 }9}

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getTestInstances

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1@DisplayName("Test with JUnit5")2class JUnit5Test {3 fun test() {4 val context = KotestExtensionContext(5 JUnit5Test::class.java.getMethod("test")6 val instances = context.getTestInstances()7 println(instances)8 }9}10@RunWith(JUnit4TestRunner::class)11class JUnit4Test {12 fun test() {13 val context = KotestExtensionContext(14 JUnit4Test::class.java.getMethod("test")15 val instances = context.getTestInstances()16 println(instances)17 }18}19getRequiredTestInstances() method20@DisplayName("Test with JUnit5")21class JUnit5Test {22 fun test() {23 val context = KotestExtensionContext(24 JUnit5Test::class.java.getMethod("test")

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