package camelinaction;
import java.io.IOException;
import java.net.ConnectException;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;
/**
* Unit test simulating an error using a Processor using Java 8 lambda style
*/
public class SimulateErrorUsingProcessorJava8Test extends CamelTestSupport {
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
context.setTracing(true);
errorHandler(defaultErrorHandler()
.maximumRedeliveries(5).redeliveryDelay(1000));
onException(IOException.class).maximumRedeliveries(3)
.handled(true)
.to("mock:ftp");
from("direct:file")
// simulate an error using a processor (lambda) to throw the exception
.process(e -> { throw new ConnectException("Simulated connection error"); })
.to("mock:http");
}
};
}
@Test
public void testSimulateErrorUsingProcessor() throws Exception {
getMockEndpoint("mock:http").expectedMessageCount(0);
MockEndpoint ftp = getMockEndpoint("mock:ftp");
ftp.expectedBodiesReceived("Camel rocks");
template.sendBody("direct:file", "Camel rocks");
assertMockEndpointsSatisfied();
}
}