[bs-62] Add assertions to CLI integration tests

[Fixes #48658503]

spring-bootstrap-cli/src/test/java/org/springframework/bootstrap/cli/SampleIntegrationTests.java

@@ -15,15 +15,23 @@
  */
 package org.springframework.bootstrap.cli;
 
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.net.URL;
 import java.util.concurrent.Callable;
 import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 
+import org.apache.ivy.util.FileUtil;
 import org.junit.After;
+import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
 /**
  * @author Dave Syer
  * 
@@ -32,6 +40,25 @@ public class SampleIntegrationTests {
 
 	private RunCommand command;
 
+	private PrintStream savedOutput;
+	private ByteArrayOutputStream output;
+
+	@Before
+	public void init() {
+		this.savedOutput = System.out;
+		this.output = new ByteArrayOutputStream();
+		System.setOut(new PrintStream(this.output));
+	}
+
+	@After
+	public void clear() {
+		System.setOut(this.savedOutput);
+	}
+
+	private String getOutput() {
+		return this.output.toString();
+	}
+
 	private void start(final String sample) throws Exception {
 		Future<RunCommand> future = Executors.newSingleThreadExecutor().submit(
 				new Callable<RunCommand>() {
@@ -61,26 +88,39 @@ public class SampleIntegrationTests {
 	@Test
 	public void appSample() throws Exception {
 		start("samples/app.groovy");
+		String output = getOutput();
+		assertTrue("Wrong output: " + output, output.contains("Hello World"));
 	}
 
 	@Test
 	public void jobSample() throws Exception {
 		start("samples/job.groovy");
+		String output = getOutput();
+		assertTrue("Wrong output: " + output,
+				output.contains("completed with the following parameters"));
 	}
 
 	@Test
 	public void webSample() throws Exception {
 		start("samples/web.groovy");
+		String result = FileUtil.readEntirely(new URL("http://localhost:8080")
+				.openStream());
+		assertEquals("World!", result);
 	}
 
 	@Test
 	public void serviceSample() throws Exception {
 		start("samples/service.groovy");
+		String result = FileUtil.readEntirely(new URL("http://localhost:8080")
+				.openStream());
+		assertEquals("{\"message\":\"Hello World!\"}", result);
 	}
 
 	@Test
 	public void integrationSample() throws Exception {
 		start("samples/integration.groovy");
+		String output = getOutput();
+		assertTrue("Wrong output: " + output, output.contains("Hello, World"));
 	}
 
 }

spring-bootstrap-samples/spring-bootstrap-simple-sample/src/test/java/org/springframework/bootstrap/sample/simple/SimpleBootstrapApplicationTests.java

@@ -4,28 +4,22 @@ import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
 
 import org.junit.After;
-import org.junit.AfterClass;
 import org.junit.Before;
-import org.junit.BeforeClass;
 import org.junit.Test;
 
 import static org.junit.Assert.assertTrue;
 
 public class SimpleBootstrapApplicationTests {
 
-	private static PrintStream savedOutput;
-	private static ByteArrayOutputStream output;
+	private PrintStream savedOutput;
+	private ByteArrayOutputStream output;
 	private String profiles;
 
-	@BeforeClass
-	public static void init() {
-		savedOutput = System.out;
-		output = new ByteArrayOutputStream();
-		System.setOut(new PrintStream(output));
-	}
-
 	@Before
-	public void before() {
+	public void init() {
+		this.savedOutput = System.out;
+		this.output = new ByteArrayOutputStream();
+		System.setOut(new PrintStream(this.output));
 		this.profiles = System.getProperty("spring.profiles.active");
 	}
 
@@ -36,15 +30,11 @@ public class SimpleBootstrapApplicationTests {
 		} else {
 			System.clearProperty("spring.profiles.active");
 		}
+		System.setOut(this.savedOutput);
 	}
 
-	@AfterClass
-	public static void clear() {
-		System.setOut(savedOutput);
-	}
-
-	private static String getOutput() {
-		return output.toString();
+	private String getOutput() {
+		return this.output.toString();
 	}
 
 	@Test