DATAREST-1250 - Polishing.

Added unit test to verify new behavior and prevent regressions. Fixed author capitalization.

Author: odrotbohm

Diff for: spring-data-rest-webmvc/src/main/java/org/springframework/data/rest/webmvc/config/ResourceMetadataHandlerMethodArgumentResolver.java

@@ -35,7 +35,7 @@
  * 
  * @author Jon Brisbin
  * @author Oliver Gierke
- * @author jiacheng Yang
+ * @author Jiacheng Yang
  */
 public class ResourceMetadataHandlerMethodArgumentResolver implements HandlerMethodArgumentResolver {
 

Diff for: spring-data-rest-webmvc/src/test/java/org/springframework/data/rest/webmvc/config/ResourceMetadataHandlerMethodArgumentResolverUnitTests.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2018 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.rest.webmvc.config;
+
+import static org.assertj.core.api.Assertions.*;
+import static org.mockito.Mockito.*;
+
+import org.junit.Test;
+import org.springframework.core.MethodParameter;
+import org.springframework.data.repository.support.Repositories;
+import org.springframework.data.rest.core.mapping.ResourceMappings;
+import org.springframework.data.rest.core.mapping.ResourceMetadata;
+import org.springframework.data.rest.webmvc.BaseUri;
+import org.springframework.web.method.support.HandlerMethodArgumentResolver;
+
+/**
+ * Unit tests for {@link ResourceMetadataHandlerMethodArgumentResolver}.
+ * 
+ * @author Oliver Gierke
+ */
+public class ResourceMetadataHandlerMethodArgumentResolverUnitTests {
+
+	@Test // DATAREST-1250
+	public void supportsResourceMetadataParameterType() {
+
+		HandlerMethodArgumentResolver resolver = new ResourceMetadataHandlerMethodArgumentResolver(mock(Repositories.class),
+				mock(ResourceMappings.class), BaseUri.NONE);
+
+		MethodParameter parameter = mock(MethodParameter.class);
+		doReturn(ResourceMetadata.class).when(parameter).getParameterType();
+
+		assertThat(resolver.supportsParameter(parameter)).isTrue();
+	}
+}