}
@Test(timeout = 5000)
public void testStagedExecution() throws Throwable {
EventLoopGroup l = new DefaultEventLoopGroup(4, new DefaultExecutorServiceFactory("l"));
EventExecutorGroup e1 = new DefaultEventExecutorGroup(4, new DefaultExecutorServiceFactory("e1"));
EventExecutorGroup e2 = new DefaultEventExecutorGroup(4, new DefaultExecutorServiceFactory("e2"));
ThreadNameAuditor h1 = new ThreadNameAuditor();
ThreadNameAuditor h2 = new ThreadNameAuditor();
ThreadNameAuditor h3 = new ThreadNameAuditor(true);
Channel ch = new LocalChannel();
// With no EventExecutor specified, h1 will be always invoked by EventLoop 'l'.
ch.pipeline().addLast(h1);
// h2 will be always invoked by EventExecutor 'e1'.
ch.pipeline().addLast(e1, h2);
// h3 will be always invoked by EventExecutor 'e2'.
ch.pipeline().addLast(e2, h3);
l.register(ch).sync().channel().connect(localAddr).sync();
// Fire inbound events from all possible starting points.
ch.pipeline().fireChannelRead("1");
ch.pipeline().context(h1).fireChannelRead("2");
ch.pipeline().context(h2).fireChannelRead("3");
ch.pipeline().context(h3).fireChannelRead("4");
// Fire outbound events from all possible starting points.
ch.pipeline().write("5");
ch.pipeline().context(h3).write("6");
ch.pipeline().context(h2).write("7");
ch.pipeline().context(h1).writeAndFlush("8").sync();
ch.close().sync();
// Wait until all events are handled completely.
while (h1.outboundThreadNames.size() < 3 || h3.inboundThreadNames.size() < 3 ||
h1.removalThreadNames.size() < 1) {
if (h1.exception.get() != null) {
throw h1.exception.get();
}
if (h2.exception.get() != null) {
throw h2.exception.get();
}
if (h3.exception.get() != null) {
throw h3.exception.get();
}
Thread.sleep(10);
}
String currentName = Thread.currentThread().getName();
try {
// Events should never be handled from the current thread.
Assert.assertFalse(h1.inboundThreadNames.contains(currentName));
Assert.assertFalse(h2.inboundThreadNames.contains(currentName));
Assert.assertFalse(h3.inboundThreadNames.contains(currentName));
Assert.assertFalse(h1.outboundThreadNames.contains(currentName));
Assert.assertFalse(h2.outboundThreadNames.contains(currentName));
Assert.assertFalse(h3.outboundThreadNames.contains(currentName));
Assert.assertFalse(h1.removalThreadNames.contains(currentName));
Assert.assertFalse(h2.removalThreadNames.contains(currentName));
Assert.assertFalse(h3.removalThreadNames.contains(currentName));
// Assert that events were handled by the correct executor.
for (String name: h1.inboundThreadNames) {
Assert.assertTrue(name.startsWith("l-"));
}
for (String name: h2.inboundThreadNames) {
Assert.assertTrue(name.startsWith("e1-"));
}
for (String name: h3.inboundThreadNames) {
Assert.assertTrue(name.startsWith("e2-"));
}
for (String name: h1.outboundThreadNames) {
Assert.assertTrue(name.startsWith("l-"));
}
for (String name: h2.outboundThreadNames) {
Assert.assertTrue(name.startsWith("e1-"));
}
for (String name: h3.outboundThreadNames) {
Assert.assertTrue(name.startsWith("e2-"));
}
for (String name: h1.removalThreadNames) {
Assert.assertTrue(name.startsWith("l-"));
}
for (String name: h2.removalThreadNames) {
Assert.assertTrue(name.startsWith("e1-"));
}
for (String name: h3.removalThreadNames) {
Assert.assertTrue(name.startsWith("e2-"));
}
// Count the number of events
Assert.assertEquals(1, h1.inboundThreadNames.size());
Assert.assertEquals(2, h2.inboundThreadNames.size());
Assert.assertEquals(3, h3.inboundThreadNames.size());
Assert.assertEquals(3, h1.outboundThreadNames.size());
Assert.assertEquals(2, h2.outboundThreadNames.size());
Assert.assertEquals(1, h3.outboundThreadNames.size());
Assert.assertEquals(1, h1.removalThreadNames.size());
Assert.assertEquals(1, h2.removalThreadNames.size());
Assert.assertEquals(1, h3.removalThreadNames.size());
} catch (AssertionError e) {
System.out.println("H1I: " + h1.inboundThreadNames);
System.out.println("H2I: " + h2.inboundThreadNames);
System.out.println("H3I: " + h3.inboundThreadNames);
System.out.println("H1O: " + h1.outboundThreadNames);
System.out.println("H2O: " + h2.outboundThreadNames);
System.out.println("H3O: " + h3.outboundThreadNames);
System.out.println("H1R: " + h1.removalThreadNames);
System.out.println("H2R: " + h2.removalThreadNames);
System.out.println("H3R: " + h3.removalThreadNames);
throw e;
} finally {
l.shutdownGracefully();
e1.shutdownGracefully();
e2.shutdownGracefully();
l.terminationFuture().sync();
e1.terminationFuture().sync();
e2.terminationFuture().sync();
}
}