Add test coverage for WebApplicationContextUtils

See gh-4370

spring-boot/src/test/java/org/springframework/boot/test/SpringApplicationIntegrationTestTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2014 the original author or authors.
+ * Copyright 2012-2015 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.
@@ -16,9 +16,12 @@
 
 package org.springframework.boot.test;
 
+import javax.servlet.ServletContext;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.context.embedded.EmbeddedServletContainerFactory;
 import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory;
@@ -31,11 +34,14 @@ import org.springframework.test.context.web.WebAppConfiguration;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.client.RestTemplate;
+import org.springframework.web.context.WebApplicationContext;
+import org.springframework.web.context.support.WebApplicationContextUtils;
 import org.springframework.web.servlet.DispatcherServlet;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertSame;
 
 /**
  * Tests for {@link IntegrationTest}
@@ -54,6 +60,12 @@ public class SpringApplicationIntegrationTestTests {
 	@Value("${value}")
 	private int value = 0;
 
+	@Autowired
+	private WebApplicationContext context;
+
+	@Autowired
+	private ServletContext servletContext;
+
 	@Test
 	public void runAndTestHttpEndpoint() {
 		assertNotEquals(8080, this.port);
@@ -68,6 +80,12 @@ public class SpringApplicationIntegrationTestTests {
 		assertEquals(123, this.value);
 	}
 
+	@Test
+	public void validateWebApplicationContextIsSet() {
+		assertSame(this.context, WebApplicationContextUtils
+				.getWebApplicationContext(this.servletContext));
+	}
+
 	@Configuration
 	@EnableWebMvc
 	@RestController

spring-boot/src/test/java/org/springframework/boot/test/SpringApplicationMockMvcTests.java

@@ -0,0 +1,91 @@
+/*
+ * Copyright 2012-2015 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.boot.test;
+
+import javax.servlet.ServletContext;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.SpringApplicationMockMvcTests.Config;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.context.WebApplicationContext;
+import org.springframework.web.context.support.WebApplicationContextUtils;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+
+import static org.junit.Assert.assertSame;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+/**
+ * Tests for {@link WebAppConfiguration} integration.
+ *
+ * @author Stephane Nicoll
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = Config.class)
+@WebAppConfiguration
+public class SpringApplicationMockMvcTests {
+
+	@Autowired
+	private WebApplicationContext context;
+
+	@Autowired
+	private ServletContext servletContext;
+
+	private MockMvc mvc;
+
+	@Before
+	public void setUp() {
+		this.mvc = MockMvcBuilders.webAppContextSetup(this.context).build();
+	}
+
+	@Test
+	public void testMockHttpEndpoint() throws Exception {
+		this.mvc.perform(get("/")).andExpect(status().isOk())
+				.andExpect(content().string("Hello World"));
+	}
+
+	@Test
+	public void validateWebApplicationContextIsSet() {
+		assertSame(this.context, WebApplicationContextUtils
+				.getWebApplicationContext(this.servletContext));
+	}
+
+
+	@Configuration
+	@EnableWebMvc
+	@RestController
+	protected static class Config {
+
+		@RequestMapping("/")
+		public String home() {
+			return "Hello World";
+		}
+
+	}
+
+}

spring-boot/src/test/java/org/springframework/boot/test/SpringApplicationWebIntegrationTestTests.java

@@ -16,9 +16,12 @@
 
 package org.springframework.boot.test;
 
+import javax.servlet.ServletContext;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.context.embedded.EmbeddedServletContainerFactory;
 import org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory;
@@ -30,11 +33,14 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.client.RestTemplate;
+import org.springframework.web.context.WebApplicationContext;
+import org.springframework.web.context.support.WebApplicationContextUtils;
 import org.springframework.web.servlet.DispatcherServlet;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertSame;
 
 /**
  * Tests for {@link IntegrationTest}
@@ -43,7 +49,7 @@ import static org.junit.Assert.assertNotEquals;
  */
 @RunWith(SpringJUnit4ClassRunner.class)
 @SpringApplicationConfiguration(Config.class)
-@WebIntegrationTest({ "server.port=0", "value=123" })
+@WebIntegrationTest({"server.port=0", "value=123"})
 public class SpringApplicationWebIntegrationTestTests {
 
 	@Value("${local.server.port}")
@@ -52,6 +58,12 @@ public class SpringApplicationWebIntegrationTestTests {
 	@Value("${value}")
 	private int value = 0;
 
+	@Autowired
+	private WebApplicationContext context;
+
+	@Autowired
+	private ServletContext servletContext;
+
 	@Test
 	public void runAndTestHttpEndpoint() {
 		assertNotEquals(8080, this.port);
@@ -66,6 +78,12 @@ public class SpringApplicationWebIntegrationTestTests {
 		assertEquals(123, this.value);
 	}
 
+	@Test
+	public void validateWebApplicationContextIsSet() {
+		assertSame(this.context, WebApplicationContextUtils
+				.getWebApplicationContext(this.servletContext));
+	}
+
 	@Configuration
 	@EnableWebMvc
 	@RestController