CORDA-3316: Add ThrowableEvolutionTests unit test (#6167)

* CORDA-3316: Add ThrowableEvolutionTests unit test

* Add timeouts to tests

* Remove extra space before class name

serialization/src/test/kotlin/net/corda/serialization/internal/amqp/ThrowableEvolutionTests.kt

@@ -0,0 +1,89 @@
+package net.corda.serialization.internal.amqp
+
+import net.corda.core.CordaRuntimeException
+import net.corda.core.serialization.SerializedBytes
+import net.corda.serialization.internal.amqp.testutils.deserialize
+import net.corda.serialization.internal.amqp.testutils.serialize
+import net.corda.serialization.internal.amqp.testutils.testDefaultFactory
+import net.corda.serialization.internal.amqp.testutils.writeTestResource
+import org.assertj.core.api.Assertions.assertThat
+import org.junit.Test
+
+class ThrowableEvolutionTests
+{
+    private val toBeRemovedValue = "Remove"
+    private val message = "Test Message"
+
+    /**
+     * AddConstructorParametersException with an extra parameter called "added"
+     */
+//    class AddConstructorParametersException(message: String) : CordaRuntimeException(message)
+    class AddConstructorParametersException(message: String, val added: String?) : CordaRuntimeException(message)
+
+    /**
+     * RemoveConstructorParametersException with the "toBeRemoved" parameter removed
+     */
+//    class RemoveConstructorParametersException(message: String, val toBeRemoved: String) : CordaRuntimeException(message)
+    class RemoveConstructorParametersException(message: String) : CordaRuntimeException(message)
+
+    /**
+     * AddAndRemoveConstructorParametersException with the "toBeRemoved" parameter removed and "added" added
+     */
+//    class AddAndRemoveConstructorParametersException(message: String, val toBeRemoved: String) : CordaRuntimeException(message)
+    class AddAndRemoveConstructorParametersException(message: String, val added: String?) : CordaRuntimeException(message)
+
+    @Test(timeout=300_000)
+    fun `We can evolve exceptions by adding constructor parameters`() {
+
+//        val exception = AddConstructorParametersException(message)
+//        saveSerializedObject(exception)
+
+        val bytes = ThrowableEvolutionTests::class.java.getResource("ThrowableEvolutionTests.AddConstructorParametersException").readBytes()
+
+        val sf = testDefaultFactory()
+        val deserializedException = DeserializationInput(sf).deserialize(SerializedBytes<AddConstructorParametersException>(bytes))
+
+        assertThat(deserializedException.message).isEqualTo(message)
+        assertThat(deserializedException).isInstanceOf(AddConstructorParametersException::class.java)
+    }
+
+    @Test(timeout=300_000)
+    fun `We can evolve exceptions by removing constructor parameters`() {
+
+//        val exception = RemoveConstructorParametersException(message, toBeRemovedValue)
+//        saveSerializedObject(exception)
+
+        val bytes = ThrowableEvolutionTests::class.java.getResource("ThrowableEvolutionTests.RemoveConstructorParametersException").readBytes()
+        val sf = testDefaultFactory()
+        val deserializedException = DeserializationInput(sf).deserialize(SerializedBytes<RemoveConstructorParametersException>(bytes))
+
+        assertThat(deserializedException.message).isEqualTo(message)
+        assertThat(deserializedException).isInstanceOf(RemoveConstructorParametersException::class.java)
+    }
+
+    @Test(timeout=300_000)
+    fun `We can evolve exceptions by adding and removing constructor parameters`() {
+
+//        val exception = AddAndRemoveConstructorParametersException(message, toBeRemovedValue)
+//        saveSerializedObject(exception)
+
+        val bytes = ThrowableEvolutionTests::class.java.getResource("ThrowableEvolutionTests.AddAndRemoveConstructorParametersException").readBytes()
+
+        val sf = testDefaultFactory()
+        val deserializedException = DeserializationInput(sf).deserialize(SerializedBytes<AddAndRemoveConstructorParametersException>(bytes))
+
+        assertThat(deserializedException.message).isEqualTo(message)
+        assertThat(deserializedException).isInstanceOf(AddAndRemoveConstructorParametersException::class.java)
+    }
+
+    /**
+     * Write serialized object to resources folder
+     */
+    @Suppress("unused")
+    fun <T : Any> saveSerializedObject(obj : T){
+
+        val sf = testDefaultFactory()
+        val serializedBytes = SerializationOutput(sf).serialize(obj)
+        writeTestResource(serializedBytes)
+    }
+}