@Test
public void testWithMetaData() {
Map<String, Object> metaDataMap = Collections.singletonMap("key", (Object) "value");
MetaData metaData = MetaData.from(metaDataMap);
when(serializer.deserialize(serializedMetaData)).thenReturn(metaData);
SerializedEventMessage<Object> message =
new SerializedEventMessage<Object>(
eventId, timestamp, serializedPayload, serializedMetaData, serializer);
EventMessage<Object> message1 = message.withMetaData(MetaData.emptyInstance());
EventMessage<Object> message2 =
message.withMetaData(MetaData.from(Collections.singletonMap("key", (Object) "otherValue")));
assertEquals(0, message1.getMetaData().size());
assertEquals(1, message2.getMetaData().size());
}
