Add WebMvcAutoConfigurationTests

[Fixes #53027833]

Author: dsyer

spring-autoconfigure/src/test/java/org/springframework/autoconfigure/web/WebMvcAutoConfigurationTests.java

@@ -16,17 +16,107 @@
 
 package org.springframework.autoconfigure.web;
 
-import org.junit.Ignore;
-import org.springframework.autoconfigure.web.WebMvcAutoConfiguration;
+import java.util.Map;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.junit.After;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.springframework.bootstrap.context.embedded.AnnotationConfigEmbeddedWebApplicationContext;
+import org.springframework.bootstrap.context.embedded.EmbeddedServletContainerCustomizerBeanPostProcessor;
+import org.springframework.bootstrap.context.embedded.EmbeddedServletContainerFactory;
+import org.springframework.bootstrap.context.embedded.MockEmbeddedServletContainerFactory;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.HandlerAdapter;
+import org.springframework.web.servlet.HandlerMapping;
+import org.springframework.web.servlet.View;
+import org.springframework.web.servlet.ViewResolver;
+import org.springframework.web.servlet.view.AbstractView;
+
+import static org.junit.Assert.assertEquals;
 
 /**
  * Tests for {@link WebMvcAutoConfiguration}.
  * 
  * @author Phillip Webb
+ * @author Dave Syer
  */
-@Ignore
 public class WebMvcAutoConfigurationTests {
 
-	// FIXME
+	private static final MockEmbeddedServletContainerFactory containerFactory = new MockEmbeddedServletContainerFactory();
+
+	@Rule
+	public ExpectedException thrown = ExpectedException.none();
+
+	private AnnotationConfigEmbeddedWebApplicationContext context;
+
+	@After
+	public void close() {
+		if (this.context != null) {
+			this.context.close();
+		}
+	}
+
+	@Test
+	public void handerAdaptersCreated() throws Exception {
+		this.context = new AnnotationConfigEmbeddedWebApplicationContext();
+		this.context.register(Config.class, WebMvcAutoConfiguration.class);
+		this.context.refresh();
+		assertEquals(3, this.context.getBeanNamesForType(HandlerAdapter.class).length);
+	}
+
+	@Test
+	public void handerMappingsCreated() throws Exception {
+		this.context = new AnnotationConfigEmbeddedWebApplicationContext();
+		this.context.register(Config.class, WebMvcAutoConfiguration.class);
+		this.context.refresh();
+		assertEquals(6, this.context.getBeanNamesForType(HandlerMapping.class).length);
+	}
+
+	@Test
+	public void viewResolversCreatedIfViewsPresent() throws Exception {
+		this.context = new AnnotationConfigEmbeddedWebApplicationContext();
+		this.context.register(Config.class, ViewConfig.class,
+				WebMvcAutoConfiguration.class);
+		this.context.refresh();
+		assertEquals(2, this.context.getBeanNamesForType(ViewResolver.class).length);
+	}
+
+	@Configuration
+	protected static class ViewConfig {
+
+		@Bean
+		public View jsonView() {
+			return new AbstractView() {
+
+				@Override
+				protected void renderMergedOutputModel(Map<String, Object> model,
+						HttpServletRequest request, HttpServletResponse response)
+						throws Exception {
+					response.getOutputStream().write("Hello World".getBytes());
+				}
+			};
+		}
+
+	}
+
+	@Configuration
+	protected static class Config {
+
+		@Bean
+		public EmbeddedServletContainerFactory containerFactory() {
+			return containerFactory;
+		}
+
+		@Bean
+		public EmbeddedServletContainerCustomizerBeanPostProcessor embeddedServletContainerCustomizerBeanPostProcessor() {
+			return new EmbeddedServletContainerCustomizerBeanPostProcessor();
+		}
+
+	}
 
 }