core/camel-core/src/test/java/org/apache/camel/component/file/FilerConsumerPreMoveDoneFileNameTest.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.component.file;

import java.util.concurrent.TimeUnit;

import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
import org.awaitility.Awaitility;
import org.junit.jupiter.api.Test;

/**
 * Unit test for writing done files
 */
public class FilerConsumerPreMoveDoneFileNameTest extends ContextTestSupport {

    @Test
    public void testDoneFile() throws Exception {
        getMockEndpoint("mock:result").expectedMessageCount(0);

        template.sendBodyAndHeader(fileUri(), "Hello World", Exchange.FILE_NAME, "hello.txt");

        // wait a bit and it should not pickup the written file as there are no
        // done file
        Awaitility.await().pollDelay(250, TimeUnit.MILLISECONDS).untilAsserted(() -> assertMockEndpointsSatisfied());

        resetMocks();
        oneExchangeDone.reset();

        getMockEndpoint("mock:result").expectedBodiesReceived("Hello World");

        // write the done file
        template.sendBodyAndHeader(fileUri(), "", Exchange.FILE_NAME, "ready");

        assertMockEndpointsSatisfied();
        oneExchangeDone.matchesWaitTime();

        // done file should be deleted now
        assertFileNotExists(testFile("ready"));
    }

    @Override
    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            @Override
            public void configure() {
                from(fileUri("?preMove=work/work-${file:name}&doneFileName=ready&initialDelay=0&delay=10"))
                        .to("mock:result");
            }
        };
    }

}