test: Native Test for a Kotlin DataClasss serialised with JacksonDatabind

gradle.properties

@@ -50,7 +50,7 @@ graalVersion=21.0.5
 
 org.gradle.caching=true
 org.gradle.parallel=true
-org.gradle.jvmargs=-Xmx1g
+org.gradle.jvmargs=-Xmx4g
 systemProp.predictiveTestSelection=false
 predictiveTestSelection=false
 

gradle/libs.versions.toml

@@ -70,7 +70,7 @@ managed-groovy = "4.0.24"
 managed-jakarta-annotation-api = "2.1.1"
 managed-jackson = "2.17.2"
 #@NextMajorVersion @Deprecated Delete in Micronaut Framework 5.
-managed-jackson-databind = "2.17.0"
+managed-jackson-databind = "2.17.2"
 managed-kotlin = "1.9.25"
 managed-kotlin-coroutines = "1.8.1"
 managed-methvin-directory-watcher = "0.18.0"

test-suite-kotlin-graalvm/build.gradle

@@ -11,6 +11,7 @@ tasks.withType(Test).configureEach {
 }
 
 dependencies {
+    testImplementation(libs.managed.kotlin.reflect)
     kspTest(projects.injectKotlin)
     testImplementation(projects.httpServerNetty)
     testImplementation(projects.httpClient)

test-suite-kotlin-graalvm/src/test/kotlin/example/micronaut/jacksondatabind/DataClassSerializationTest.kt

@@ -0,0 +1,35 @@
+package example.micronaut.jacksondatabind
+
+import io.micronaut.context.annotation.Property
+import io.micronaut.http.annotation.Get
+import io.micronaut.http.client.annotation.Client
+import io.micronaut.test.extensions.junit5.annotation.MicronautTest
+import jakarta.inject.Inject
+import org.junit.jupiter.api.Assertions
+import org.junit.jupiter.api.Test
+import org.reactivestreams.Publisher
+import reactor.core.publisher.Flux
+
+@Property(name = "spec.name", value = "JacksonDatabindDataClassSerialization")
+@MicronautTest
+class DataClassSerializationTest {
+
+    @Inject
+    lateinit var client: GreetingClient
+
+    @Test
+    fun testHelloGet() {
+        Assertions.assertEquals(
+                "Hola Mundo",
+                Flux.from(client.hello()).blockFirst()!!.message
+        )
+    }
+}
+
+@Property(name = "spec.name", value = "JacksonDatabindDataClassSerialization")
+@Client("/")
+interface GreetingClient {
+
+    @Get("/hola")
+    fun hello() : Publisher<Greeting>
+}

test-suite-kotlin-graalvm/src/test/kotlin/example/micronaut/jacksondatabind/Greeting.kt

@@ -0,0 +1,9 @@
+package example.micronaut.jacksondatabind
+
+import io.micronaut.context.annotation.Requires
+import io.micronaut.core.annotation.Introspected
+import io.micronaut.core.annotation.ReflectiveAccess
+
+@Requires(property = "spec.name", value = "JacksonDatabindDataClassSerialization")
+@Introspected
+data class Greeting(val message: String)

test-suite-kotlin-graalvm/src/test/kotlin/example/micronaut/jacksondatabind/GreetingService.kt

@@ -0,0 +1,12 @@
+package example.micronaut.jacksondatabind
+
+import io.micronaut.context.annotation.Requires
+import io.micronaut.context.annotation.Value
+import jakarta.inject.Singleton
+import reactor.core.publisher.Mono
+
+@Requires(property = "spec.name", value = "JacksonDatabindDataClassSerialization")
+@Singleton
+class GreetingService {
+    fun sayHi(): Greeting = Greeting("Hola Mundo")
+}

test-suite-kotlin-graalvm/src/test/kotlin/example/micronaut/jacksondatabind/HolaController.kt

@@ -0,0 +1,12 @@
+package example.micronaut.jacksondatabind
+
+import io.micronaut.context.annotation.Requires
+import io.micronaut.http.annotation.Controller
+import io.micronaut.http.annotation.Get
+
+@Requires(property = "spec.name", value = "JacksonDatabindDataClassSerialization")
+@Controller
+class HolaController(private val greetingService: GreetingService) {
+    @Get("/hola")
+    fun sayHi(): Greeting = greetingService.sayHi()
+}