Add explicit test for config file and SpringApplication

spring-boot-samples/spring-boot-sample-xml/src/main/java/org/springframework/boot/sample/xml/SampleSpringXmlApplication.java

@@ -32,7 +32,6 @@ public class SampleSpringXmlApplication implements CommandLineRunner {
 	}
 
 	public static void main(String[] args) throws Exception {
-		// TODO: to make this a pure XML example, will need <boot:auto-configure/>
 		SpringApplication.run("classpath:/META-INF/application-context.xml", args);
 	}
 }

spring-boot/src/main/java/org/springframework/boot/config/PropertiesPropertySourceLoader.java

@@ -19,6 +19,8 @@ package org.springframework.boot.config;
 import java.io.IOException;
 import java.util.Properties;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.springframework.core.env.PropertiesPropertySource;
 import org.springframework.core.env.PropertySource;
 import org.springframework.core.io.Resource;
@@ -31,6 +33,8 @@ import org.springframework.core.io.support.PropertiesLoaderUtils;
  */
 public class PropertiesPropertySourceLoader implements PropertySourceLoader {
 
+	private static Log logger = LogFactory.getLog(PropertiesPropertySourceLoader.class);
+
 	@Override
 	public boolean supports(Resource resource) {
 		return resource.getFilename().endsWith(".properties");
@@ -40,6 +44,11 @@ public class PropertiesPropertySourceLoader implements PropertySourceLoader {
 	public PropertySource<?> load(Resource resource) {
 		try {
 			Properties properties = loadProperties(resource);
+			// N.B. this is off by default unless user has supplied logback config in
+			// standard location
+			if (logger.isDebugEnabled()) {
+				logger.debug("Properties loaded from " + resource + ": " + properties);
+			}
 			return new PropertiesPropertySource(resource.getDescription(), properties);
 		}
 		catch (IOException ex) {

spring-boot/src/main/java/org/springframework/boot/logging/logback/LogbackLoggingSystem.java

@@ -59,7 +59,8 @@ public class LogbackLoggingSystem extends AbstractLoggingSystem {
 	}
 
 	public LogbackLoggingSystem(ClassLoader classLoader) {
-		super(classLoader, "logback.xml");
+		super(classLoader, "logback-test.groovy", "logback-test.xml", "logback.groovy",
+				"logback.xml");
 	}
 
 	@Override

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

@@ -273,6 +273,16 @@ public class SpringApplicationTests {
 		assertEquals("bar", environment.getProperty("foo"));
 	}
 
+	@Test
+	public void proprtiesFileEnhancesEnvironment() throws Exception {
+		SpringApplication application = new SpringApplication(ExampleConfig.class);
+		application.setWebEnvironment(false);
+		ConfigurableEnvironment environment = new StandardEnvironment();
+		application.setEnvironment(environment);
+		application.run();
+		assertEquals("bucket", environment.getProperty("foo"));
+	}
+
 	@Test
 	public void emptyCommandLinePropertySourceNotAdded() throws Exception {
 		SpringApplication application = new SpringApplication(ExampleConfig.class);
@@ -404,8 +414,6 @@ public class SpringApplicationTests {
 
 	// FIXME test initializers
 
-	// FIXME test config files?
-
 	public static class SpyApplicationContext extends AnnotationConfigApplicationContext {
 
 		ConfigurableApplicationContext applicationContext = spy(new AnnotationConfigApplicationContext());

spring-boot/src/test/java/org/springframework/boot/context/initializer/LoggingApplicationContextInitializerTests.java

@@ -153,7 +153,7 @@ public class LoggingApplicationContextInitializerTests {
 	@Test
 	public void parseArgsDisabled() throws Exception {
 		this.initializer.setParseArgs(false);
-		this.initializer.initialize(this.springApplication, new String[] { "--debug" });
+		TestUtils.addEnviroment(this.context, "debug");
 		this.initializer.initialize(this.context);
 		this.logger.debug("testatdebug");
 		assertThat(this.outputCapture.toString(), not(containsString("testatdebug")));

spring-boot/src/test/resources/logback-test.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <configuration>
 	<property name="LOG_PATTERN" value="[%d{yyyy-MM-dd HH:mm:ss.SSS}] spring - ${PID:-????} %5p [%t] --- %c{1}: %m%n"/>
-	<property name="LOG_FILE" value="${LOG_FILE:-${LOG_PATH:-/tmp/logs/service.log}}"/>
 	<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
 		<encoder>
 			<pattern>${LOG_PATTERN}</pattern>
 		</encoder>
 	</appender>
-	<logger name="org.springframework.boot.context.annotation" level="TRACE" />
-	<logger name="org.springframework.boot.context.initializer" level="TRACE" />
 	<logger name="org.springframework.boot.config" level="TRACE" />
 	<logger name="org.thymeleaf" level="TRACE" />
 	<root level="INFO">