DATAJPA-97 - Added test to verify hints get applied to all queries correctly.

The actual fix for this ticket has been introduced during the refactoring for DATAJPA-86 (04349d25dc) thus it's already fixed in 1.1.0.M1. Added a test case to verify the behavior.

src/test/java/org/springframework/data/jpa/repository/query/AbstractJpaQueryTests.java

@@ -0,0 +1,90 @@
+package org.springframework.data.jpa.repository.query;
+
+import static org.mockito.Mockito.*;
+
+import java.lang.reflect.Method;
+import java.util.List;
+
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+import javax.persistence.Query;
+import javax.persistence.QueryHint;
+import javax.persistence.TypedQuery;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.data.jpa.domain.sample.User;
+import org.springframework.data.jpa.repository.QueryHints;
+import org.springframework.data.jpa.repository.support.PersistenceProvider;
+import org.springframework.data.repository.Repository;
+import org.springframework.data.repository.core.support.DefaultRepositoryMetadata;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+/**
+ * Integration test for {@link AbstractJpaQuery}.
+ * 
+ * @author Oliver Gierke
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration("classpath:infrastructure.xml")
+public class AbstractJpaQueryTests {
+
+	@PersistenceContext
+	EntityManager em;
+
+	Query query;
+	TypedQuery<Long> countQuery;
+
+	@Before
+	@SuppressWarnings("unchecked")
+	public void setUp() {
+		query = mock(Query.class);
+		countQuery = mock(TypedQuery.class);
+	}
+
+	/**
+	 * @see DATADOC-97
+	 * @throws Exception
+	 */
+	@Test
+	public void addsHintsToQueryObject() throws Exception {
+
+		Method method = SampleRepository.class.getMethod("findByLastname", String.class);
+		QueryExtractor provider = PersistenceProvider.fromEntityManager(em);
+		JpaQueryMethod queryMethod = new JpaQueryMethod(method, new DefaultRepositoryMetadata(SampleRepository.class),
+				provider);
+
+		AbstractJpaQuery jpaQuery = new DummyJpaQuery(queryMethod, em);
+
+		Query result = jpaQuery.createQuery(new Object[] { "Matthews" });
+		verify(result).setHint("foo", "bar");
+
+		result = jpaQuery.createCountQuery(new Object[] { "Matthews" });
+		verify(result).setHint("foo", "bar");
+	}
+
+	interface SampleRepository extends Repository<User, Integer> {
+
+		@QueryHints({ @QueryHint(name = "foo", value = "bar") })
+		List<User> findByLastname(String lastname);
+	}
+
+	class DummyJpaQuery extends AbstractJpaQuery {
+
+		public DummyJpaQuery(JpaQueryMethod method, EntityManager em) {
+			super(method, em);
+		}
+
+		@Override
+		protected Query doCreateQuery(Object[] values) {
+			return query;
+		}
+
+		@Override
+		protected TypedQuery<Long> doCreateCountQuery(Object[] values) {
+			return (TypedQuery<Long>) countQuery;
+		}
+	}
+}