Add base work for cdplayer sample

spring-statemachine-samples/cdplayer/src/test/java/demo/cdplayer/CdPlayerTests.java

@@ -0,0 +1,160 @@
+package demo.cdplayer;
+
+import static org.hamcrest.Matchers.startsWith;
+import static org.hamcrest.Matchers.contains;
+import static org.hamcrest.Matchers.containsString;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.statemachine.EnumStateMachine;
+import org.springframework.statemachine.StateMachine;
+import org.springframework.statemachine.StateMachineSystemConstants;
+
+import demo.CommonConfiguration;
+import demo.cdplayer.Application.Events;
+import demo.cdplayer.Application.States;
+
+public class CdPlayerTests {
+
+	private AnnotationConfigApplicationContext context;
+
+	private StateMachine<States,Events> machine;
+
+	private CdPlayer player;
+
+	private Library library;
+
+	@Test
+	public void testInitialState() throws InterruptedException {
+		assertThat(machine.getState().getIds(), contains(States.IDLE, States.CLOSED));
+		assertLcdStatusStartsWith("No CD");
+	}
+
+	@Test
+	public void testEjectTwice() {
+		player.eject();
+		assertThat(machine.getState().getIds(), contains(States.IDLE, States.OPEN));
+		player.eject();
+		assertThat(machine.getState().getIds(), contains(States.IDLE, States.CLOSED));
+	}
+
+	@Test
+	public void testPlayWithCdLoaded() {
+		player.eject();
+		player.load(library.getCollection().get(0));
+		player.eject();
+		player.play();
+		assertThat(machine.getState().getIds(), contains(States.BUSY, States.PLAYING));
+		assertLcdStatusContains("cd1");
+	}
+
+	@Test
+	public void testPlayWithNoCdLoaded() {
+		player.play();
+		assertThat(machine.getState().getIds(), contains(States.IDLE, States.CLOSED));
+		assertLcdStatusStartsWith("No CD");
+	}
+
+	@Test
+	public void testPlayLcdTimeChanges() throws Exception {
+		player.eject();
+		player.load(library.getCollection().get(0));
+		player.eject();
+		player.play();
+		assertThat(machine.getState().getIds(), contains(States.BUSY, States.PLAYING));
+		assertLcdStatusContains("cd1");
+		Thread.sleep(1000);
+		assertLcdStatusContains("00:01");
+		Thread.sleep(1000);
+		assertLcdStatusContains("00:02");
+		Thread.sleep(1000);
+		assertLcdStatusContains("00:03");
+	}
+
+	@Test
+	public void testPlayPause() throws Exception {
+		player.eject();
+		player.load(library.getCollection().get(0));
+		player.eject();
+		player.play();
+		assertThat(machine.getState().getIds(), contains(States.BUSY, States.PLAYING));
+		assertLcdStatusContains("cd1");
+		Thread.sleep(1000);
+		assertLcdStatusIs("cd1 00:01");
+		Thread.sleep(1000);
+		assertLcdStatusContains("00:02");
+		player.pause();
+		Thread.sleep(2000);
+		assertLcdStatusContains("00:02");
+		player.pause();
+		assertLcdStatusContains("00:03");
+		Thread.sleep(1000);
+		assertLcdStatusContains("00:04");
+	}
+
+	@Test
+	public void testPlayStop() throws Exception {
+		player.eject();
+		player.load(library.getCollection().get(0));
+		player.eject();
+		player.play();
+		assertThat(machine.getState().getIds(), contains(States.BUSY, States.PLAYING));
+		player.stop();
+		assertLcdStatusIs("cd1 ");
+	}
+
+	private void assertLcdStatusIs(String text) {
+		assertThat(player.getLdcStatus(), is(text));
+	}
+
+	private void assertLcdStatusStartsWith(String text) {
+		assertThat(player.getLdcStatus(), startsWith(text));
+	}
+
+	private void assertLcdStatusContains(String text) {
+		assertThat(player.getLdcStatus(), containsString(text));
+	}
+
+	@SuppressWarnings("unchecked")
+	@Before
+	public void setup() {
+		context = new AnnotationConfigApplicationContext();
+		context.register(CommonConfiguration.class, Application.class, TestConfig.class);
+		context.refresh();
+		machine = context.getBean(StateMachineSystemConstants.DEFAULT_ID_STATEMACHINE, EnumStateMachine.class);
+		player = context.getBean(CdPlayer.class);
+		library = context.getBean(Library.class);
+		machine.start();
+	}
+
+	@After
+	public void clean() {
+		context.close();
+		context = null;
+		machine = null;
+		player = null;
+		library = null;
+	}
+
+	static class TestConfig {
+
+		@Bean
+		public Library library() {
+			// override library to make it easier to test
+			Track cd1track1 = new Track("cd1track1", 3);
+			Track cd1track2 = new Track("cd1track2", 3);
+			Cd cd1 = new Cd("cd1", new Track[]{cd1track1,cd1track2});
+			Track cd2track1 = new Track("cd2track1", 3);
+			Track cd2track2 = new Track("cd2track2", 3);
+			Cd cd2 = new Cd("cd2", new Track[]{cd2track1,cd2track2});
+			return new Library(new Cd[]{cd1,cd2});
+		}
+
+	}
+
+}

spring-statemachine-samples/cdplayer/src/test/resources/log4j.properties

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+log4j.rootCategory=INFO, stdout
+
+log4j.appender.stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %t %c{2} [%t] - %m%n
+
+log4j.category.org.springframework.statemachine=TRACE
+