testRenameChannelHandler() — netty Function Reference

Architecture documentation for the testRenameChannelHandler() function in DefaultChannelPipelineTest.java from the netty codebase.

Function java Buffer Allocators

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Buffer→ Allocators→ testRenameChannelHandler() — netty Function Reference

Dependency Diagram

graph TD
  43bbf649_da21_0de7_b3de_4e13349eb748["testRenameChannelHandler()"]
  666d912b_4166_a807_ed10_ba12f328a7b2["DefaultChannelPipelineTest"]
  43bbf649_da21_0de7_b3de_4e13349eb748 -->|defined in| 666d912b_4166_a807_ed10_ba12f328a7b2
  style 43bbf649_da21_0de7_b3de_4e13349eb748 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport/src/test/java/io/netty/channel/DefaultChannelPipelineTest.java lines 313–339

    @Test
    public void testRenameChannelHandler() {
        ChannelPipeline pipeline = new LocalChannel().pipeline();

        ChannelHandler handler1 = newHandler();
        pipeline.addLast("handler1", handler1);
        pipeline.addLast("handler2", handler1);
        pipeline.addLast("handler3", handler1);
        assertSame(pipeline.get("handler1"), handler1);
        assertSame(pipeline.get("handler2"), handler1);
        assertSame(pipeline.get("handler3"), handler1);

        ChannelHandler newHandler1 = newHandler();
        pipeline.replace("handler1", "newHandler1", newHandler1);
        assertSame(pipeline.get("newHandler1"), newHandler1);
        assertNull(pipeline.get("handler1"));

        ChannelHandler newHandler3 = newHandler();
        pipeline.replace("handler3", "newHandler3", newHandler3);
        assertSame(pipeline.get("newHandler3"), newHandler3);
        assertNull(pipeline.get("handler3"));

        ChannelHandler newHandler2 = newHandler();
        pipeline.replace("handler2", "newHandler2", newHandler2);
        assertSame(pipeline.get("newHandler2"), newHandler2);
        assertNull(pipeline.get("handler2"));
    }