How to use mount method of io.kotest.core.extensions.MountableExtension class

Best Kotest code snippet using io.kotest.core.extensions.MountableExtension.mount

JdbcTestContainerExtension.kt

Source:JdbcTestContainerExtension.kt Github

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...21 *22 * This extension will create a pooled [HikariDataSource] attached to the database and23 * return that to the user as the materialized value.24 *25 * The pool can be configured in the mount configure method.26 *27 * Note: This extension requires Kotest 5.0+28 *29 * @param container the specific test container type30 * @param lifecycleMode determines how the container should be reset between tests31 *32 * @since 1.1.033 */34class JdbcTestContainerExtension(35 private val container: JdbcDatabaseContainer<Nothing>,36 private val lifecycleMode: LifecycleMode = LifecycleMode.Spec,37) : MountableExtension<TestContainerHikariConfig, DataSource>, AfterSpecListener, TestListener {38 private val ds = SettableDataSource(null)39 private var configure: TestContainerHikariConfig.() -> Unit = {}40 override fun mount(configure: TestContainerHikariConfig.() -> Unit): DataSource {41 this.configure = configure42 if (lifecycleMode == LifecycleMode.Spec) {43 container.start()44 ds.setDataSource(createDataSource())45 }46 return ds47 }48 private fun createDataSource(): HikariDataSource {49 val config = TestContainerHikariConfig()50 config.jdbcUrl = container.jdbcUrl51 config.username = container.username52 config.password = container.password53 config.configure()54 val ds = HikariDataSource(config)...

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SharedJdbcDatabaseContainerExtension.kt

Source:SharedJdbcDatabaseContainerExtension.kt Github

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...52 BeforeSpecListener,53 AfterTestListener,54 AfterSpecListener {55 private var ds: HikariDataSource? = null56 override fun mount(configure: TestContainerHikariConfig.() -> Unit): HikariDataSource {57 if (!container.isRunning) {58 container.start()59 ds = createDataSource().apply(afterStart)60 }61 return ds ?: error("DataSource was not initialized")62 }63 override suspend fun afterProject() {64 if (container.isRunning) container.stop()65 }66 override suspend fun beforeTest(testCase: TestCase) {67 beforeTest(ds ?: error("DataSource was not initialized"))68 }69 override suspend fun afterTest(testCase: TestCase, result: TestResult) {70 afterTest(ds ?: error("DataSource was not initialized"))...

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SharedTestContainerExtension.kt

Source:SharedTestContainerExtension.kt Github

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...65 configure66 ) { this }67 }68 }69 override fun mount(configure: T.() -> Unit): U {70 if (!container.isRunning) {71 container.start()72 configure(container)73 this@SharedTestContainerExtension.configure(container)74 }75 return this@SharedTestContainerExtension.mapper(container)76 }77 override suspend fun afterProject() {78 if (container.isRunning) container.stop()79 }80 override suspend fun beforeTest(testCase: TestCase) {81 beforeTest(container)82 }83 override suspend fun afterTest(testCase: TestCase, result: TestResult) {...

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TestContainerExtension.kt

Source:TestContainerExtension.kt Github

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...21 TestContainerExtension(GenericContainer<Nothing>(name))22 operator fun invoke(name: String, lifecycleMode: LifecycleMode): TestContainerExtension<GenericContainer<Nothing>> =23 TestContainerExtension(GenericContainer<Nothing>(name), lifecycleMode)24 }25 override fun mount(configure: T.() -> Unit): T {26 (container as T).configure()27 if (lifecycleMode == LifecycleMode.Spec) {28 container.start()29 }30 return container31 }32 override suspend fun afterSpec(spec: Spec) {33 if (container.isRunning) {34 withContext(Dispatchers.IO) {35 stop()36 }37 }38 }39 override suspend fun beforeAny(testCase: TestCase) {...

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MountableExtensionTest.kt

Source:MountableExtensionTest.kt Github

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...6import io.kotest.core.spec.style.FunSpec7import io.kotest.matchers.shouldBe8import java.util.concurrent.atomic.AtomicBoolean9class MountableExtensionTest : FunSpec() {10 private val mountable = MyMountable()11 private val control = install(mountable) {12 a = "bar"13 }14 init {15 test("mountable extensions should invoke configuration block") {16 control.a shouldBe "bar"17 }18 test("mountable extensions should be installed as regular extensions") {19 mountable.before.get() shouldBe true20 }21 }22}23data class Config(var a: String)24class MyMountable : MountableExtension<Config, Config>, BeforeSpecListener {25 val before = AtomicBoolean(false)26 override suspend fun beforeSpec(spec: Spec) {27 before.set(true)28 }29 override fun mount(configure: (Config) -> Unit): Config {30 val config = Config("foo")31 configure(config)32 return config33 }34}...

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MountableExtension.kt

Source:MountableExtension.kt Github

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...21 *22 */23interface MountableExtension<CONFIG, MATERIALIZED> : Extension {24 // cannot be suspending as it is invoked by install that is used in constructors25 fun mount(configure: CONFIG.() -> Unit): MATERIALIZED26}27// cannot be suspending as it is used in constructors28fun <CONFIG, MATERIALIZED> Spec.install(29 mountable: MountableExtension<CONFIG, MATERIALIZED>,30 configure: CONFIG.() -> Unit = {}31): MATERIALIZED {32 extensions(mountable)33 return mountable.mount(configure)34}...

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mount

Using AI Code Generation

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1val extension = MountableExtension { mount ->2 }3}4val extension = Extension { mount ->5 }6}7val listener = MountableListener { mount ->8 }9}10val listener = Listener { mount ->11 }12}13val spec = MountableSpec { mount ->14 }15}16val spec = Spec { mount ->17 }18}19val test = MountableTest { mount ->20 }21}22val test = Test { mount ->23 }24}25val testCase = MountableTestCase { mount ->26 }27}

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