com.thoughtworks.go.plugin.infra.monitor.AbstractDefaultPluginJarLocationMonitorTest.java Source code

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Here is the source code for com.thoughtworks.go.plugin.infra.monitor.AbstractDefaultPluginJarLocationMonitorTest.java

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/*
 * Copyright 2019 ThoughtWorks, Inc.
 *
 * Licensed 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 com.thoughtworks.go.plugin.infra.monitor;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.rules.TemporaryFolder;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.charset.Charset;

public abstract class AbstractDefaultPluginJarLocationMonitorTest {
    private static final int NO_OF_TRIES_TO_CHECK_MONITOR_RUN = 30;
    @Rule
    public final TemporaryFolder temporaryFolder = new TemporaryFolder();

    protected void waitAMoment() throws InterruptedException {
        Thread.yield();
        Thread.sleep(2000);
    }

    protected void waitUntilNextRun(DefaultPluginJarLocationMonitor monitor) throws InterruptedException {
        long previousRun = monitor.getLastRun();
        int numberOfTries = 0;
        while (previousRun >= monitor.getLastRun() && numberOfTries < NO_OF_TRIES_TO_CHECK_MONITOR_RUN) {
            Thread.yield();
            Thread.sleep(500);
            numberOfTries++;
        }
        if (numberOfTries >= NO_OF_TRIES_TO_CHECK_MONITOR_RUN) {
            throw new RuntimeException("Number of tries exceeded, but monitor thread hasn't run yet");
        }
    }

    protected void copyPluginToThePluginDirectory(File pluginDir, String destinationFilenameOfPlugin)
            throws IOException, URISyntaxException {
        URL resource = getClass().getClassLoader().getResource("defaultFiles/descriptor-aware-test-plugin.jar");

        FileUtils.copyURLToFile(resource, new File(pluginDir, destinationFilenameOfPlugin));
    }

    protected void updateFileContents(File someFile) {
        try (FileOutputStream output = new FileOutputStream(someFile)) {
            IOUtils.write("some rubbish", output, Charset.defaultCharset());
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    protected PluginFileDetails pluginFileDetails(File directory, String pluginFile, boolean bundledPlugin) {
        return new PluginFileDetails(new File(directory, pluginFile), bundledPlugin);
    }

    @Before
    public void setUp() throws Exception {
        temporaryFolder.create();
    }

    @After
    public void tearDown() throws Exception {
        temporaryFolder.delete();
    }
}