itest/src/test/java/org/apache/karaf/decanter/itests/appender/FileAppenderTest.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,
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 * See the License for the specific language governing permissions and
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package org.apache.karaf.decanter.itests.appender;

import org.apache.karaf.itests.KarafTestSupport;
import org.apache.karaf.jaas.boot.principal.RolePrincipal;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.ops4j.pax.exam.Configuration;
import org.ops4j.pax.exam.Option;
import org.ops4j.pax.exam.junit.PaxExam;
import org.ops4j.pax.exam.karaf.options.KarafDistributionOption;
import org.ops4j.pax.exam.spi.reactors.ExamReactorStrategy;
import org.ops4j.pax.exam.spi.reactors.PerClass;
import org.osgi.framework.Bundle;
import org.osgi.service.component.runtime.ServiceComponentRuntime;
import org.osgi.service.component.runtime.dto.ComponentConfigurationDTO;
import org.osgi.service.component.runtime.dto.ComponentDescriptionDTO;
import org.osgi.service.event.Event;
import org.osgi.service.event.EventAdmin;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.util.HashMap;
import java.util.stream.Stream;

@RunWith(PaxExam.class)
@ExamReactorStrategy(PerClass.class)
public class FileAppenderTest extends KarafTestSupport {

    @Configuration
    public Option[] config() {
        Option[] options = new Option[]{
                KarafDistributionOption.editConfigurationFilePut("etc/system.properties", "decanter.version", System.getProperty("decanter.version"))
        };
        return Stream.of(super.config(), options).flatMap(Stream::of).toArray(Option[]::new);
    }

    @Test(timeout = 60000)
    public void test() throws Exception {
        // install decanter
        System.out.println(executeCommand("feature:repo-add decanter " + System.getProperty("decanter.version")));
        System.out.println(executeCommand("feature:install decanter-appender-file", new RolePrincipal("admin")));

        Thread.sleep(2000);

        // send event
        EventAdmin eventAdmin = getOsgiService(EventAdmin.class);
        HashMap<String, String> data = new HashMap<>();
        data.put("foo", "bar");
        Event event = new Event("decanter/collect/test", data);
        eventAdmin.sendEvent(event);

        Thread.sleep(2000);

        // read file
        File file = new File(System.getProperty("karaf.data"), "decanter");
        StringBuilder builder = new StringBuilder();
        try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
            builder.append(reader.readLine()).append("\n");
        }

        System.out.println(builder.toString());

        if (builder.toString().contains("foo=bar")) {
            Assert.assertTrue(builder.toString().contains("foo=bar"));
        } else {
            Assert.assertTrue(builder.toString().contains("\"foo\":\"bar\""));
        }
    }

}