package testIntercept;

import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.AdviceWithRouteBuilder;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;

public class TestMultipleAdvice extends CamelTestSupport {

    @Override
    public boolean isUseAdviceWith() {
        return true;
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                onException(Exception.class).handled(true).to("mock:error");

                from("direct:startA").routeId("RouteA").to("mock:resultA");
                from("direct:startB").routeId("RouteB").to("mock:resultB");
            }
        };
    }

    /**
     * This test is success.
     * @throws Exception
     */
    @Test
    public void testSimpleMultipleAdvice() throws Exception {

        context.getRouteDefinition("RouteA").adviceWith(context, new AdviceWithRouteBuilder() {
            @Override
            public void configure() throws Exception {
                interceptSendToEndpoint("mock:resultA").process(new Processor() {
                    @Override
                    public void process(Exchange exchange) throws Exception {
                    }
                });
            }
        });

        context.getRouteDefinition("RouteB").adviceWith(context, new AdviceWithRouteBuilder() {
            @Override
            public void configure() throws Exception {
            }
        });

        context.start();

        getMockEndpoint("mock:resultA").expectedMessageCount(1);
        template.sendBody("direct:startA", "a trigger");
        assertMockEndpointsSatisfied();
    }

    /**
     * This test is success.
     * @throws Exception
     */
    @Test
    public void testMultipleAdviceWithExceptionThrown() throws Exception {
        context.getRouteDefinition("RouteA").adviceWith(context, new AdviceWithRouteBuilder() {
            @Override
            public void configure() throws Exception {
                interceptSendToEndpoint("mock:resultA").process(new Processor() {
                    @Override
                    public void process(Exchange exchange) throws Exception {
                        throw new Exception("my exception");
                    }
                });
            }
        });

        context.start();

        getMockEndpoint("mock:resultA").expectedMessageCount(0);
        template.sendBody("direct:startA", "a trigger");
        assertMockEndpointsSatisfied();
    }

    /**
     * This test will fail with the extra Advice on the second route, even though it should not affect anything.
     * @throws Exception
     */
    @Test
    public void testMultipleAdvice() throws Exception {

        context.getRouteDefinition("RouteA").adviceWith(context, new AdviceWithRouteBuilder() {
            @Override
            public void configure() throws Exception {
                interceptSendToEndpoint("mock:resultA").process(new Processor() {
                    @Override
                    public void process(Exchange exchange) throws Exception {
                        throw new Exception("my exception");
                    }
                });
            }
        });

        context.getRouteDefinition("RouteB").adviceWith(context, new AdviceWithRouteBuilder() {
            @Override
            public void configure() throws Exception {
            }
        });

        context.start();

        getMockEndpoint("mock:resultA").expectedMessageCount(0);
        template.sendBody("direct:startA", "a trigger");
        assertMockEndpointsSatisfied();
    }
}