DATAJPA-59 - Added unit test for QueryMethod.

spring-data-commons-core/src/test/java/org/springframework/data/repository/query/QueryMethodUnitTest.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2008-2011 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.repository.query;
+
+import java.lang.reflect.Method;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.repository.support.RepositoryMetadata;
+
+/**
+ * Unit tests for {@link QueryMethod}.
+ * 
+ * @author Oliver Gierke
+ */
+@RunWith(MockitoJUnitRunner.class)
+public class QueryMethodUnitTest {
+
+	@Mock
+	RepositoryMetadata metadata;
+
+	@Test(expected = IllegalStateException.class)
+	public void rejectsPagingMethodWithInvalidaReturnType() throws SecurityException, NoSuchMethodException {
+
+		Method method = SampleRepository.class.getMethod("pagingMethodWithInvalidReturnType", Pageable.class);
+		new QueryMethod(method, metadata);
+	}
+
+	interface SampleRepository {
+		String pagingMethodWithInvalidReturnType(Pageable pageable);
+	}
+}