DATACMNS-607 - Introduced AnnotationAttributes and MethodParameters from Spring HATEOAS to avoid dependency.

src/test/java/org/springframework/data/repository/support/AnnotationAttributeUnitTests.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2014 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.support;
+
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+import org.springframework.stereotype.Component;
+
+/**
+ * Unit tests for {@link AnnotationAttribute}.
+ * 
+ * @author Oliver Gierke
+ */
+public class AnnotationAttributeUnitTests {
+
+	/**
+	 * @see DATACMNS-607
+	 */
+	@Test(expected = IllegalArgumentException.class)
+	public void rejectsNullAnnotationType() {
+		new AnnotationAttribute(null);
+	}
+
+	/**
+	 * @see DATACMNS-607
+	 */
+	@Test(expected = IllegalArgumentException.class)
+	public void rejectsNullAnnotationTypeForAnnotationAndAttributeName() {
+		new AnnotationAttribute(null, "name");
+	}
+
+	/**
+	 * @see DATACMNS-607
+	 */
+	@Test
+	public void looksUpAttributeFromAnnotatedElement() {
+
+		AnnotationAttribute attribute = new AnnotationAttribute(Component.class);
+		assertThat(attribute.getValueFrom(Sample.class), is((Object) "foo"));
+	}
+
+	@Component("foo")
+	static class Sample {
+
+	}
+}

src/test/java/org/springframework/data/repository/support/MethodParametersUnitTests.java

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+/*
+ * Copyright 2013-2014 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.support;
+
+import static org.hamcrest.Matchers.*;
+import static org.junit.Assert.*;
+
+import java.lang.reflect.Method;
+import java.util.List;
+
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.core.MethodParameter;
+
+/**
+ * Unit tests for {@link MethodParameters}.
+ * 
+ * @author Oliver Gierke
+ */
+public class MethodParametersUnitTests {
+
+	@Test
+	public void prefersAnnotatedParameterOverDiscovered() throws Exception {
+
+		Method method = Sample.class.getMethod("method", String.class, String.class, Object.class);
+		MethodParameters parameters = new MethodParameters(method, new AnnotationAttribute(Qualifier.class));
+
+		assertThat(parameters.getParameter("param"), is(notNullValue()));
+		assertThat(parameters.getParameter("foo"), is(notNullValue()));
+		assertThat(parameters.getParameter("another"), is(nullValue()));
+	}
+
+	/**
+	 * @see #138
+	 */
+	@Test
+	public void returnsParametersOfAGivenType() throws Exception {
+
+		Method method = Sample.class.getMethod("method", String.class, String.class, Object.class);
+		MethodParameters methodParameters = new MethodParameters(method);
+
+		List<MethodParameter> objectParameters = methodParameters.getParametersOfType(Object.class);
+		assertThat(objectParameters, hasSize(1));
+		assertThat(objectParameters.get(0).getParameterIndex(), is(2));
+	}
+
+	static class Sample {
+
+		public void method(String param, @Qualifier("foo") String another, Object object) {}
+	}
+}