Add value alias for SpringApplicationConfiguration

Given that Spring Boot uses java config accross the board, a new `value`
attribute is now aliased to the existing `classes` attribute such that
one could write the following:

@SpringApplicationConfiguration(MyConfig.class)
public class MyTest {}

Closes spring-projectsgh-3635

Author: snicoll

spring-boot-actuator-docs/src/restdoc/java/org/springframework/boot/actuate/hypermedia/EndpointDocumentation.java

@@ -58,7 +58,7 @@
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = SpringBootHypermediaApplication.class)
+@SpringApplicationConfiguration(SpringBootHypermediaApplication.class)
 @WebAppConfiguration
 @TestPropertySource(properties = { "spring.jackson.serialization.indent_output=true",
 		"endpoints.health.sensitive=true", "endpoints.actuator.enabled=false" })

spring-boot-actuator-docs/src/restdoc/java/org/springframework/boot/actuate/hypermedia/HealthEndpointDocumentation.java

@@ -40,7 +40,7 @@
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = SpringBootHypermediaApplication.class)
+@SpringApplicationConfiguration(SpringBootHypermediaApplication.class)
 @WebAppConfiguration
 @TestPropertySource(properties = { "spring.jackson.serialization.indent_output=true",
 		"endpoints.health.sensitive=false" })

spring-boot-actuator-docs/src/restdoc/java/org/springframework/boot/actuate/hypermedia/HypermediaEndpointDocumentation.java

@@ -40,7 +40,7 @@
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = SpringBootHypermediaApplication.class)
+@SpringApplicationConfiguration(SpringBootHypermediaApplication.class)
 @WebAppConfiguration
 @TestPropertySource(properties = "spring.jackson.serialization.indent_output=true")
 @DirtiesContext

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/BrowserPathHypermediaIntegrationTests.java

@@ -48,7 +48,7 @@
  * @author Andy Wilkinson
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = SpringBootHypermediaApplication.class)
+@SpringApplicationConfiguration(SpringBootHypermediaApplication.class)
 @WebAppConfiguration
 @TestPropertySource(properties = "endpoints.actuator.path=/actuator")
 @DirtiesContext

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/EndpointMvcIntegrationTests.java

@@ -72,7 +72,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = Application.class)
+@SpringApplicationConfiguration(Application.class)
 @IntegrationTest("server.port=0")
 @WebAppConfiguration
 @DirtiesContext

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/ManagementContextPathHypermediaIntegrationTests.java

@@ -51,7 +51,7 @@
  * @author Andy Wilkinson
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = SpringBootHypermediaApplication.class)
+@SpringApplicationConfiguration(SpringBootHypermediaApplication.class)
 @WebAppConfiguration
 @TestPropertySource(properties = "management.contextPath:/admin")
 @DirtiesContext

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/ServerContextPathHypermediaIntegrationTests.java

@@ -51,7 +51,7 @@
  * @author Andy Wilkinson
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = SpringBootHypermediaApplication.class)
+@SpringApplicationConfiguration(SpringBootHypermediaApplication.class)
 @WebAppConfiguration
 @IntegrationTest({ "server.port=0", "server.contextPath=/spring" })
 @DirtiesContext

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/ServerPortHypermediaIntegrationTests.java

@@ -51,7 +51,7 @@
  * @author Andy Wilkinson
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = SpringBootHypermediaApplication.class)
+@SpringApplicationConfiguration(SpringBootHypermediaApplication.class)
 @WebAppConfiguration
 @IntegrationTest({ "server.port=0", "management.port=0" })
 @DirtiesContext

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/VanillaHypermediaIntegrationTests.java

@@ -48,7 +48,7 @@
  * @author Andy Wilkinson
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = SpringBootHypermediaApplication.class)
+@SpringApplicationConfiguration(SpringBootHypermediaApplication.class)
 @WebAppConfiguration
 @DirtiesContext
 public class VanillaHypermediaIntegrationTests {

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/mvc/EnvironmentMvcEndpointTests.java

@@ -52,7 +52,7 @@
  * @author Andy Wilkinson
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = { TestConfiguration.class })
+@SpringApplicationConfiguration(TestConfiguration.class)
 @WebAppConfiguration
 public class EnvironmentMvcEndpointTests {
 

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/mvc/JolokiaMvcEndpointTests.java

@@ -57,7 +57,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = { Config.class })
+@SpringApplicationConfiguration(Config.class)
 @WebAppConfiguration
 public class JolokiaMvcEndpointTests {
 

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/endpoint/mvc/MetricsMvcEndpointTests.java

@@ -56,7 +56,7 @@
  * @author Sergei Egorov
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = { TestConfiguration.class })
+@SpringApplicationConfiguration(TestConfiguration.class)
 @WebAppConfiguration
 public class MetricsMvcEndpointTests {
 

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/integration/SpringIntegrationMetricReaderTests.java

@@ -39,7 +39,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = TestConfiguration.class)
+@SpringApplicationConfiguration(TestConfiguration.class)
 @IntegrationTest("spring.jmx.enabled=true")
 @DirtiesContext
 public class SpringIntegrationMetricReaderTests {

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/MessageSourceAutoConfigurationIntegrationTests.java

@@ -35,7 +35,7 @@
  *
  * @author Dave Syer
  */
-@SpringApplicationConfiguration(classes = { Config.class,
+@SpringApplicationConfiguration({ Config.class,
 		MessageSourceAutoConfiguration.class, PropertyPlaceholderAutoConfiguration.class })
 @RunWith(SpringJUnit4ClassRunner.class)
 @IntegrationTest("spring.messages.basename:test/messages")

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/MessageSourceAutoConfigurationProfileTests.java

@@ -35,7 +35,7 @@
  *
  * @author Dave Syer
  */
-@SpringApplicationConfiguration(classes = { Config.class,
+@SpringApplicationConfiguration({ Config.class,
 		MessageSourceAutoConfiguration.class, PropertyPlaceholderAutoConfiguration.class })
 @RunWith(SpringJUnit4ClassRunner.class)
 @ActiveProfiles("switch-messages")

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/SpringJUnitTests.java

@@ -34,7 +34,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = TestConfiguration.class)
+@SpringApplicationConfiguration(TestConfiguration.class)
 public class SpringJUnitTests {
 
 	@Autowired

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationCustomFilterContextPathTests.java

@@ -53,7 +53,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = Application.class)
+@SpringApplicationConfiguration(Application.class)
 @IntegrationTest({ "server.port=0", "spring.jersey.type=filter",
 		"server.contextPath=/app" })
 @WebAppConfiguration

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationCustomFilterPathTests.java

@@ -53,7 +53,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = Application.class)
+@SpringApplicationConfiguration(Application.class)
 @IntegrationTest({ "server.port=0", "spring.jersey.type=filter" })
 @WebAppConfiguration
 public class JerseyAutoConfigurationCustomFilterPathTests {

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationCustomServletContextPathTests.java

@@ -53,7 +53,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = Application.class)
+@SpringApplicationConfiguration(Application.class)
 @IntegrationTest({ "server.port=0", "server.contextPath=/app" })
 @WebAppConfiguration
 public class JerseyAutoConfigurationCustomServletContextPathTests {

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationCustomServletPathTests.java

@@ -53,7 +53,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = Application.class)
+@SpringApplicationConfiguration(Application.class)
 @IntegrationTest("server.port=0")
 @WebAppConfiguration
 public class JerseyAutoConfigurationCustomServletPathTests {

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationDefaultFilterPathTests.java

@@ -52,7 +52,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = Application.class)
+@SpringApplicationConfiguration(Application.class)
 @IntegrationTest({ "server.port=0", "spring.jersey.type=filter" })
 @WebAppConfiguration
 public class JerseyAutoConfigurationDefaultFilterPathTests {

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationDefaultServletPathTests.java

@@ -52,7 +52,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = Application.class)
+@SpringApplicationConfiguration(Application.class)
 @IntegrationTest("server.port=0")
 @WebAppConfiguration
 public class JerseyAutoConfigurationDefaultServletPathTests {

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/mustache/MustacheAutoConfigurationIntegrationTests.java

@@ -53,7 +53,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = Application.class)
+@SpringApplicationConfiguration(Application.class)
 @IntegrationTest({ "server.port:0",
 		"spring.mustache.prefix:classpath:/mustache-templates/" })
 @WebAppConfiguration

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/mustache/MustacheStandaloneIntegrationTests.java

@@ -39,7 +39,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = Application.class)
+@SpringApplicationConfiguration(Application.class)
 @IntegrationTest({ "spring.main.web_environment=false", "env.foo=Heaven", "foo=World" })
 public class MustacheStandaloneIntegrationTests {
 

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/mustache/web/MustacheWebIntegrationTests.java

@@ -64,7 +64,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = Application.class)
+@SpringApplicationConfiguration(Application.class)
 @IntegrationTest("server.port:0")
 @WebAppConfiguration
 public class MustacheWebIntegrationTests {

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/jpa/JpaUserDetailsTests.java

@@ -40,7 +40,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = JpaUserDetailsTests.Main.class)
+@SpringApplicationConfiguration(JpaUserDetailsTests.Main.class)
 @DirtiesContext
 public class JpaUserDetailsTests {
 

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/oauth2/sso/BasicOAuth2SsoConfigurationTests.java

@@ -46,7 +46,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = TestConfiguration.class)
+@SpringApplicationConfiguration(TestConfiguration.class)
 @WebAppConfiguration
 @TestPropertySource(properties = { "security.oauth2.client.clientId=client",
 		"security.oauth2.client.clientSecret=secret",

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/oauth2/sso/CustomOAuth2SsoConfigurationTests.java

@@ -52,7 +52,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = TestConfiguration.class)
+@SpringApplicationConfiguration(TestConfiguration.class)
 @WebAppConfiguration
 @TestPropertySource(properties = { "security.oauth2.client.clientId=client",
 		"security.oauth2.client.clientSecret=secret",

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/BasicErrorControllerIntegrationTests.java

@@ -59,7 +59,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = TestConfiguration.class)
+@SpringApplicationConfiguration(TestConfiguration.class)
 @WebAppConfiguration
 @DirtiesContext
 @IntegrationTest("server.port=0")

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/BasicErrorControllerMockMvcTests.java

@@ -67,7 +67,7 @@
  *
  * @author Dave Syer
  */
-@SpringApplicationConfiguration(classes = TestConfiguration.class)
+@SpringApplicationConfiguration(TestConfiguration.class)
 @RunWith(SpringJUnit4ClassRunner.class)
 @WebAppConfiguration
 @DirtiesContext

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/DefaultErrorViewIntegrationTests.java

@@ -48,7 +48,7 @@
 /**
  * @author Dave Syer
  */
-@SpringApplicationConfiguration(classes = TestConfiguration.class)
+@SpringApplicationConfiguration(TestConfiguration.class)
 @RunWith(SpringJUnit4ClassRunner.class)
 @WebAppConfiguration
 @DirtiesContext

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/RemappedErrorViewIntegrationTests.java

@@ -42,7 +42,7 @@
 /**
  * @author Dave Syer
  */
-@SpringApplicationConfiguration(classes = TestConfiguration.class)
+@SpringApplicationConfiguration(TestConfiguration.class)
 @RunWith(SpringJUnit4ClassRunner.class)
 @WebAppConfiguration
 @IntegrationTest({ "server.servletPath:/spring/*", "server.port:0" })

spring-boot-cli/test-samples/integration.groovy

@@ -1,4 +1,4 @@
-@SpringApplicationConfiguration(classes=Application)
+@SpringApplicationConfiguration(Application)
 @IntegrationTest
 class BookTests {
 	@Autowired

spring-boot-cli/test-samples/integration_auto.groovy

@@ -1,4 +1,4 @@
-@SpringApplicationConfiguration(classes=Application)
+@SpringApplicationConfiguration(Application)
 @IntegrationTest('server.port:0')
 @WebAppConfiguration
 @DirtiesContext

spring-boot-cli/test-samples/integration_auto_test.groovy

@@ -1,4 +1,4 @@
-@SpringApplicationConfiguration(classes=ReactorApplication)
+@SpringApplicationConfiguration(ReactorApplication)
 @IntegrationTest('server.port:0')
 class RestTests {
 

spring-boot-devtools/src/test/java/org/springframework/boot/devtools/integrationtest/HttpTunnelIntegrationTest.java

@@ -61,7 +61,7 @@
  * @author Phillip Webb
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = HttpTunnelIntegrationTest.Config.class)
+@SpringApplicationConfiguration(HttpTunnelIntegrationTest.Config.class)
 @WebIntegrationTest
 public class HttpTunnelIntegrationTest {
 

spring-boot-docs/src/main/asciidoc/howto.adoc

@@ -35,7 +35,7 @@
 import static org.junit.Assert.assertThat;
 
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = HelloWebSecurityApplication.class)
+@SpringApplicationConfiguration(HelloWebSecurityApplication.class)
 @WebIntegrationTest(randomPort = true)
 public class HelloWebSecurityApplicationTests {
 

spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc

@@ -34,7 +34,7 @@
  * @author Eddú Meléndez
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = { SampleActiveMQApplication.class })
+@SpringApplicationConfiguration(SampleActiveMQApplication.class)
 public class SampleActiveMqTests {
 
 	@Rule

spring-boot-integration-tests/spring-boot-security-tests/spring-boot-security-tests-web-helloworld/src/test/java/sample/HelloWebSecurityApplicationTests.java

@@ -39,7 +39,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = SampleActuatorLog4JApplication.class)
+@SpringApplicationConfiguration(SampleActuatorLog4JApplication.class)
 @WebAppConfiguration
 @IntegrationTest("server.port=0")
 @DirtiesContext

spring-boot-samples/spring-boot-sample-activemq/src/test/java/sample/activemq/SampleActiveMqTests.java

@@ -38,7 +38,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = SampleActuatorLog4J2Application.class)
+@SpringApplicationConfiguration(SampleActuatorLog4J2Application.class)
 @WebAppConfiguration
 @IntegrationTest("server.port=0")
 @DirtiesContext

spring-boot-samples/spring-boot-sample-actuator-log4j/src/test/java/sample/actuator/log4j/SampleActuatorApplicationTests.java

@@ -33,7 +33,7 @@
  * @author Dave Syer
  */
 @RunWith(SpringJUnit4ClassRunner.class)
-@SpringApplicationConfiguration(classes = SampleActuatorNoWebApplication.class)
+@SpringApplicationConfiguration(SampleActuatorNoWebApplication.class)
 @DirtiesContext
 public class SampleActuatorNoWebApplicationTests {