Added more explicit exception msg; fixes gh-72

spring-cloud-release-tools-spring/src/main/java/org/springframework/cloud/release/internal/spring/Task.java

@@ -29,15 +29,21 @@ class Task {
 	}
 
 	void execute(Args args) {
-		boolean interactive = args.interactive;
-		printLog(interactive);
-		if (interactive) {
-			boolean skipStep = skipStep();
-			if (!skipStep) {
+		try {
+			boolean interactive = args.interactive;
+			printLog(interactive);
+			if (interactive) {
+				boolean skipStep = skipStep();
+				if (!skipStep) {
+					consumer.accept(args);
+				}
+			} else {
 				consumer.accept(args);
 			}
-		} else {
-			consumer.accept(args);
+		} catch (Exception e) {
+			log.error("\n\n\nBUILD FAILED!!!\n\nException occurred for task <" +
+					this.name + "> \n\nwith description <" + this.description + ">\n\n", e);
+			throw e;
 		}
 	}
 

spring-cloud-release-tools-spring/src/test/java/org/springframework/cloud/release/internal/spring/TaskTests.java

@@ -0,0 +1,52 @@
+package org.springframework.cloud.release.internal.spring;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.function.Consumer;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.springframework.boot.test.rule.OutputCapture;
+
+import static org.assertj.core.api.BDDAssertions.then;
+import static org.assertj.core.api.BDDAssertions.thenThrownBy;
+import static org.junit.Assert.*;
+
+/**
+ * @author Marcin Grzejszczak
+ */
+public class TaskTests {
+
+	@Rule public OutputCapture capture = new OutputCapture();
+
+	@Test public void should_successfully_execute_task() {
+		final AtomicBoolean someBool = new AtomicBoolean();
+		Task task = new Task("foo", "bar", "baz", "descr", new Consumer<Args>() {
+			@Override public void accept(Args args) {
+				someBool.set(true);
+			}
+		});
+
+		task.execute(Mockito.mock(Args.class));
+
+		then(someBool.get()).isTrue();
+	}
+
+	@Test public void should_fail_with_nice_text_on_exception() {
+		final AtomicBoolean someBool = new AtomicBoolean();
+		Task task = new Task("foo", "bar", "baz", "descr", new Consumer<Args>() {
+			@Override public void accept(Args args) {
+				someBool.set(true);
+				throw new RuntimeException("foooooooo");
+			}
+		});
+
+		thenThrownBy(() -> task.execute(Mockito.mock(Args.class)))
+				.isInstanceOf(RuntimeException.class);
+		then(someBool.get()).isTrue();
+		then(this.capture.toString())
+				.contains("BUILD FAILED!!!")
+				.contains("Exception occurred for task <foo>")
+				.contains("with description <descr>");
+	}
+}