testCompatibleExtensionTogetherSuccess() — netty Function Reference

Source Code

codec-http/src/test/java/io/netty/handler/codec/http/websocketx/extensions/WebSocketServerExtensionHandlerTest.java lines 112–175

    @Test
    public void testCompatibleExtensionTogetherSuccess() {
        // initialize
        when(mainHandshakerMock.handshakeExtension(webSocketExtensionDataMatcher("main"))).
                thenReturn(mainExtensionMock);
        when(mainHandshakerMock.handshakeExtension(webSocketExtensionDataMatcher("fallback"))).
                thenReturn(null);

        when(fallbackHandshakerMock.handshakeExtension(webSocketExtensionDataMatcher("fallback"))).
                thenReturn(fallbackExtensionMock);
        when(fallbackHandshakerMock.handshakeExtension(webSocketExtensionDataMatcher("main"))).
                thenReturn(null);

        when(mainExtensionMock.rsv()).thenReturn(WebSocketExtension.RSV1);
        when(mainExtensionMock.newReponseData()).thenReturn(
                new WebSocketExtensionData("main", Collections.<String, String>emptyMap()));
        when(mainExtensionMock.newExtensionEncoder()).thenReturn(new DummyEncoder());
        when(mainExtensionMock.newExtensionDecoder()).thenReturn(new DummyDecoder());

        when(fallbackExtensionMock.rsv()).thenReturn(WebSocketExtension.RSV2);
        when(fallbackExtensionMock.newReponseData()).thenReturn(
                new WebSocketExtensionData("fallback", Collections.<String, String>emptyMap()));
        when(fallbackExtensionMock.newExtensionEncoder()).thenReturn(new Dummy2Encoder());
        when(fallbackExtensionMock.newExtensionDecoder()).thenReturn(new Dummy2Decoder());

        // execute
        WebSocketServerExtensionHandler extensionHandler =
                new WebSocketServerExtensionHandler(mainHandshakerMock, fallbackHandshakerMock);
        EmbeddedChannel ch = new EmbeddedChannel(extensionHandler);

        HttpRequest req = newUpgradeRequest("main, fallback");
        ch.writeInbound(req);

        HttpResponse res = newUpgradeResponse(null);
        ch.writeOutbound(res);

        HttpResponse res2 = ch.readOutbound();
        List<WebSocketExtensionData> resExts = WebSocketExtensionUtil.extractExtensions(
                res2.headers().get(HttpHeaderNames.SEC_WEBSOCKET_EXTENSIONS));

        // test
        assertNull(ch.pipeline().context(extensionHandler));
        assertEquals(2, resExts.size());
        assertEquals("main", resExts.get(0).name());
        assertEquals("fallback", resExts.get(1).name());
        assertNotNull(ch.pipeline().get(DummyDecoder.class));
        assertNotNull(ch.pipeline().get(DummyEncoder.class));
        assertNotNull(ch.pipeline().get(Dummy2Decoder.class));
        assertNotNull(ch.pipeline().get(Dummy2Encoder.class));

        verify(mainHandshakerMock).handshakeExtension(webSocketExtensionDataMatcher("main"));
        verify(mainHandshakerMock).handshakeExtension(webSocketExtensionDataMatcher("fallback"));
        verify(fallbackHandshakerMock).handshakeExtension(webSocketExtensionDataMatcher("fallback"));
        verify(mainExtensionMock, times(2)).rsv();
        verify(mainExtensionMock).newReponseData();
        verify(mainExtensionMock).newExtensionEncoder();
        verify(mainExtensionMock).newExtensionDecoder();

        verify(fallbackExtensionMock, times(2)).rsv();

        verify(fallbackExtensionMock).newReponseData();
        verify(fallbackExtensionMock).newExtensionEncoder();
        verify(fallbackExtensionMock).newExtensionDecoder();
    }