DATACMNS-1552 - Test case to verify Option values are returned as is.

Make sure that the fix for DATACMNS-1524 fixes this ticket as well. A bit of whitespace in QueryExecutionResultHandler.

Author: odrotbohm

Diff for: src/main/java/org/springframework/data/repository/core/support/QueryExecutionResultHandler.java

@@ -167,7 +167,7 @@ private static Object unwrapOptional(@Nullable Object source) {
 
 	/**
 	 * Returns whether we have to process the given source object in the first place.
-	 * 
+	 *
 	 * @param source can be {@literal null}.
 	 * @param targetType must not be {@literal null}.
 	 * @return

Diff for: src/test/java/org/springframework/data/repository/core/support/QueryExecutionResultHandlerUnitTests.java

@@ -405,6 +405,14 @@ public void nestedConversion() throws Exception {
 		});
 	}
 
+	@Test // DATACMNS-1552
+	public void keepsVavrOptionType() throws Exception {
+
+		Option<Entity> source = Option.of(new Entity());
+
+		assertThat(handler.postProcessInvocationResult(source, getMethod("option"))).isSameAs(source);
+	}
+
 	private static Method getMethod(String methodName) throws Exception {
 		return Sample.class.getMethod(methodName);
 	}