
package org.apache.camel.processor.aggregator;

import java.util.concurrent.atomic.AtomicBoolean;

import org.apache.camel.AggregationStrategy;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;

public class SplitRouteNumberOfProcessorTest extends ContextTestSupport {

    private static AtomicBoolean failed = new AtomicBoolean();

    @Override
    public boolean isUseRouteBuilder() {
        return false;
    }

    @Test
    public void testOneProcessor() throws Exception {
        failed.set(false);

        context.addRoutes(new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("direct:start").split(body().tokenize(","), new AggregationStrategy() {
                    public Exchange aggregate(Exchange oldExchange, Exchange newExchange) {
                        if (oldExchange == null) {
                            return newExchange;
                        }
                        // should always be in
                        String body = newExchange.getIn().getBody(String.class);
                        assertNotNull(body);
                        return newExchange;
                    }
                }).process(new Processor() {
                    public void process(Exchange exchange) throws Exception {
                        assertFalse(failed.get(), "Should not have out");
                        String s = exchange.getIn().getBody(String.class);
                        exchange.getIn().setBody("Hi " + s);
                        context.createProducerTemplate().send("mock:foo", exchange);
                    }
                }).end().to("mock:result");
            }
        });
        context.start();

        MockEndpoint result = getMockEndpoint("mock:result");
        result.expectedMessageCount(1);

        getMockEndpoint("mock:foo").expectedBodiesReceived("Hi Claus", "Hi Willem");

        template.requestBodyAndHeader("direct:start", "Claus,Willem", "id", 1);

        assertMockEndpointsSatisfied();
    }

    @Test
    public void testThreeProcessors() throws Exception {
        failed.set(false);

        context.addRoutes(new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("direct:start").split(body().tokenize(","), new AggregationStrategy() {
                    public Exchange aggregate(Exchange oldExchange, Exchange newExchange) {
                        if (oldExchange == null) {
                            return newExchange;
                        }
                        // should always be in
                        String body = newExchange.getIn().getBody(String.class);
                        assertNotNull(body);
                        return newExchange;
                    }
                }).pipeline("log:a", "log:b").to("log:foo").process(new Processor() {
                    public void process(Exchange exchange) throws Exception {
                        assertFalse(failed.get(), "Should not have out");
                        String s = exchange.getIn().getBody(String.class);
                        exchange.getIn().setBody("Hi " + s);
                        context.createProducerTemplate().send("mock:foo", exchange);
                    }
                }).to("mock:split").end().to("mock:result");
            }
        });
        context.start();

        MockEndpoint result = getMockEndpoint("mock:result");
        result.expectedMessageCount(1);

        getMockEndpoint("mock:foo").expectedBodiesReceived("Hi Claus", "Hi Willem");

        template.requestBodyAndHeader("direct:start", "Claus,Willem", "id", 1);

        assertMockEndpointsSatisfied();
    }

}
