netty Architecture Docs
Home / Class/ SimpleUserEventChannelHandlerTest Class — netty Architecture

SimpleUserEventChannelHandlerTest Class — netty Architecture

Architecture documentation for the SimpleUserEventChannelHandlerTest class in SimpleUserEventChannelHandlerTest.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  4f8491d9_0a7a_344d_7b4f_ac4c0a1acd42["SimpleUserEventChannelHandlerTest"]
  7ae89884_b504_3b35_01b6_a80b50d10c69["SimpleUserEventChannelHandlerTest.java"]
  4f8491d9_0a7a_344d_7b4f_ac4c0a1acd42 -->|defined in| 7ae89884_b504_3b35_01b6_a80b50d10c69
  5713a6e2_d757_6b58_9479_f159d476044f["setUp()"]
  4f8491d9_0a7a_344d_7b4f_ac4c0a1acd42 -->|method| 5713a6e2_d757_6b58_9479_f159d476044f
  cdd71857_914b_662d_c437_8c2a910eeda8["testTypeMatch()"]
  4f8491d9_0a7a_344d_7b4f_ac4c0a1acd42 -->|method| cdd71857_914b_662d_c437_8c2a910eeda8
  fbaf62b3_4dec_55a8_11bf_66543c14098b["testTypeMismatch()"]
  4f8491d9_0a7a_344d_7b4f_ac4c0a1acd42 -->|method| fbaf62b3_4dec_55a8_11bf_66543c14098b

Relationship Graph

Source Code

transport/src/test/java/io/netty/channel/SimpleUserEventChannelHandlerTest.java lines 31–103

public class SimpleUserEventChannelHandlerTest {

    private FooEventCatcher fooEventCatcher;
    private AllEventCatcher allEventCatcher;
    private EmbeddedChannel channel;

    @BeforeEach
    public void setUp() {
        fooEventCatcher = new FooEventCatcher();
        allEventCatcher = new AllEventCatcher();
        channel = new EmbeddedChannel(fooEventCatcher, allEventCatcher);
    }

    @Test
    public void testTypeMatch() {
        FooEvent fooEvent = new FooEvent();
        channel.pipeline().fireUserEventTriggered(fooEvent);
        assertEquals(1, fooEventCatcher.caughtEvents.size());
        assertEquals(0, allEventCatcher.caughtEvents.size());
        assertEquals(0, fooEvent.refCnt());
        assertFalse(channel.finish());
    }

    @Test
    public void testTypeMismatch() {
        BarEvent barEvent = new BarEvent();
        channel.pipeline().fireUserEventTriggered(barEvent);
        assertEquals(0, fooEventCatcher.caughtEvents.size());
        assertEquals(1, allEventCatcher.caughtEvents.size());
        assertTrue(barEvent.release());
        assertFalse(channel.finish());
    }

    static final class FooEvent extends DefaultByteBufHolder {
        FooEvent() {
            super(Unpooled.buffer());
        }
    }

    static final class BarEvent extends DefaultByteBufHolder {
        BarEvent() {
            super(Unpooled.buffer());
        }
    }

    static final class FooEventCatcher extends SimpleUserEventChannelHandler<FooEvent> {

        public List<FooEvent> caughtEvents;

        FooEventCatcher() {
            caughtEvents = new ArrayList<FooEvent>();
        }

        @Override
        protected void eventReceived(ChannelHandlerContext ctx, FooEvent evt) {
            caughtEvents.add(evt);
        }
    }

    static final class AllEventCatcher extends ChannelInboundHandlerAdapter {

        public List<Object> caughtEvents;

        AllEventCatcher() {
            caughtEvents = new ArrayList<Object>();
        }

        @Override
        public void userEventTriggered(ChannelHandlerContext ctx, Object evt) {
            caughtEvents.add(evt);
        }
    }
}

Defined In

Source

Frequently Asked Questions

What is the SimpleUserEventChannelHandlerTest class?
SimpleUserEventChannelHandlerTest is a class in the netty codebase, defined in transport/src/test/java/io/netty/channel/SimpleUserEventChannelHandlerTest.java.
Where is SimpleUserEventChannelHandlerTest defined?
SimpleUserEventChannelHandlerTest is defined in transport/src/test/java/io/netty/channel/SimpleUserEventChannelHandlerTest.java at line 31.

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free