core/camel-core/src/test/java/org/apache/camel/processor/FlipRoutePolicyTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
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package org.apache.camel.processor;

import org.apache.camel.ContextTestSupport;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.spi.RoutePolicy;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.parallel.Isolated;

@Isolated("This test has a rather strict dependency on timing and threads under the hood, therefore run in isolated mode to reduce flakiness")
public class FlipRoutePolicyTest extends ContextTestSupport {

    @Test
    public void testFlipRoutePolicyTest() throws Exception {
        MockEndpoint foo = getMockEndpoint("mock:foo");
        foo.expectedMinimumMessageCount(3);

        MockEndpoint bar = getMockEndpoint("mock:bar");
        bar.expectedMinimumMessageCount(3);

        assertMockEndpointsSatisfied();
    }

    @Override
    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            @Override
            public void configure() {
                // create the flip route policy
                RoutePolicy policy = new FlipRoutePolicy("foo", "bar");

                // use the flip route policy in the foo route
                from("timer://foo?delay=0&period=10").routeId("foo").routePolicy(policy).setBody().constant("Foo message")
                        .to("log:foo").to("mock:foo");

                // use the flip route policy in the bar route and do NOT start
                // this route on startup
                from("timer://bar?delay=0&period=10").routeId("bar").routePolicy(policy).noAutoStartup().setBody()
                        .constant("Bar message").to("log:bar").to("mock:bar");
            }
        };
    }
}