Examples with CharacterStreamWritingMessageHandler org.springframework.integration.stream.CharacterStreamWritingMessageHandler used on opensource projects

Example 1 with CharacterStreamWritingMessageHandler

use of org.springframework.integration.stream.CharacterStreamWritingMessageHandler in project spring-integration by spring-projects.

the class ConsoleOutboundChannelAdapterParserTests method stdoutInsideNestedChain.

// INT-2275
@Test
public void stdoutInsideNestedChain() throws IOException {
    List<?> handlers = TestUtils.getPropertyValue(this.stdoutChainHandler, "handlers", List.class);
    assertEquals(2, handlers.size());
    Object chainHandler = handlers.get(1);
    assertTrue(chainHandler instanceof MessageHandlerChain);
    List<?> nestedChainHandlers = TestUtils.getPropertyValue(chainHandler, "handlers", List.class);
    assertEquals(1, nestedChainHandlers.size());
    Object stdoutHandler = nestedChainHandlers.get(0);
    assertTrue(stdoutHandler instanceof CharacterStreamWritingMessageHandler);
    BufferedWriter bufferedWriter = TestUtils.getPropertyValue(stdoutHandler, "writer", BufferedWriter.class);
    Writer writer = TestUtils.getPropertyValue(bufferedWriter, "out", Writer.class);
    assertEquals(OutputStreamWriter.class, writer.getClass());
    Charset writerCharset = Charset.forName(((OutputStreamWriter) writer).getEncoding());
    assertEquals(Charset.defaultCharset(), writerCharset);
    Object lock = TestUtils.getPropertyValue(writer, "lock");
    assertEquals(System.out, lock);
    bufferedWriter = Mockito.spy(bufferedWriter);
    DirectFieldAccessor dfa = new DirectFieldAccessor(stdoutHandler);
    dfa.setPropertyValue("writer", bufferedWriter);
    this.stdoutInsideNestedChain.send(new GenericMessage<String>("foo"));
    verify(bufferedWriter, times(1)).write(eq("foobar"));
}