LoopDoWhileTest.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
 * limitations under the License.
 */
package org.apache.camel.processor;

import org.apache.camel.ContextTestSupport;
import org.apache.camel.builder.RouteBuilder;

public class LoopDoWhileTest extends ContextTestSupport {

    public void testLoopDoWhileSimple() throws Exception {
        getMockEndpoint("mock:result").expectedBodiesReceived("AAAAAA");
        getMockEndpoint("mock:loop").expectedBodiesReceived("A", "AA", "AAA", "AAAA", "AAAAA");

        template.sendBody("direct:simple", "A");

        assertMockEndpointsSatisfied();
    }

    public void testLoopDoWhileFunctional() throws Exception {
        getMockEndpoint("mock:result").expectedBodiesReceived("AAAAAA");
        getMockEndpoint("mock:loop").expectedBodiesReceived("A", "AA", "AAA", "AAAA", "AAAAA");

        template.sendBody("direct:functional", "A");

        assertMockEndpointsSatisfied();
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("direct:simple")
                    .loopDoWhile(simple("${body.length} <= 5"))
                        .to("mock:loop")
                        .transform(body().append("A"))
                    .end()
                    .to("mock:result");
                from("direct:functional")
                    .loopDoWhile()
                        .body(String.class, b -> b.length() <= 5)
                        .to("mock:loop")
                        .transform()
                            .body(String.class, b -> b += "A")
                    .end()
                    .to("mock:result");
            }
        };
    }
}