org.kurento.test.metatest.BrowserCreationTest.java Source code

Introduction

Here is the source code for org.kurento.test.metatest.BrowserCreationTest.java

Source

/*
 * (C) Copyright 2016 Kurento (http://kurento.org/)
 *
 * 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 org.kurento.test.metatest;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

import org.apache.commons.io.FileUtils;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.kurento.commons.PropertiesManager;
import org.kurento.commons.testing.SystemTests;
import org.kurento.test.base.KurentoTest;
import org.kurento.test.browser.Browser;
import org.kurento.test.config.BrowserScope;
import org.kurento.test.internal.AbortableCountDownLatch;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Category(SystemTests.class)
public class BrowserCreationTest {

    private static final Logger log = LoggerFactory.getLogger(BrowserCreationTest.class);

    private static final int NUM_BROWSERS = PropertiesManager.getProperty("test.BrowserCreationTest.numBrowsers",
            5);
    private static final int NUM_ITERATIONS = PropertiesManager
            .getProperty("test.BrowserCreationTest.numIterations", 3);

    @Test
    public void testParallelBrowser() throws InterruptedException, IOException {

        System.setProperty("test.selenium.record", "false");

        initTestFolder("testParallelBrowser");

        for (int i = 0; i < NUM_ITERATIONS; i++) {
            createParallelBrowsers(NUM_BROWSERS);
        }
    }

    @Test
    public void testSerialBrowser() throws InterruptedException, IOException {

        System.setProperty("test.selenium.record", "false");

        initTestFolder("testSerialBrowser");

        for (int i = 0; i < NUM_ITERATIONS; i++) {

            for (int j = 0; j < NUM_BROWSERS; j++) {

                log.debug("Created browser {}-{}", i, j);

                Browser browser = new Browser.Builder().scope(BrowserScope.DOCKER).build();

                browser.setId("browser_" + i + "_" + j);

                browser.init();

                browser.close();
            }
        }
    }

    private void createParallelBrowsers(int numBrowsers) throws InterruptedException {
        long startTime = System.currentTimeMillis();

        final List<Browser> browsers = Collections.synchronizedList(new ArrayList<Browser>());

        ExecutorService executor = Executors.newFixedThreadPool(numBrowsers);

        try {

            final AbortableCountDownLatch latch = new AbortableCountDownLatch(numBrowsers);

            for (int i = 0; i < numBrowsers; i++) {

                final int numBrowser = i;

                executor.execute(new Runnable() {

                    @Override
                    public void run() {
                        try {

                            Browser browser = new Browser.Builder().scope(BrowserScope.DOCKER).build();

                            browsers.add(browser);

                            browser.setId("browser" + numBrowser);

                            browser.init();

                            latch.countDown();

                        } catch (Throwable t) {
                            latch.abort("Exception setting up test. A browser could not be initialised", t);
                        }
                    }
                });
            }

            latch.await();

            long creationTime = System.currentTimeMillis() - startTime;

            log.debug("----------------------------------------------------------------");

            log.debug("All {} browsers started in {} millis", numBrowsers, creationTime);

            log.debug("----------------------------------------------------------------");

        } finally {

            log.debug("***************************************************************");

            startTime = System.currentTimeMillis();

            final AbortableCountDownLatch latch = new AbortableCountDownLatch(numBrowsers);

            for (final Browser browser : browsers) {
                executor.execute(new Runnable() {
                    @Override
                    public void run() {
                        browser.close();
                        latch.countDown();
                    }
                });
            }

            executor.shutdown();
            executor.awaitTermination(10, TimeUnit.HOURS);

            latch.await();

            long destructionTime = System.currentTimeMillis() - startTime;

            log.debug("----------------------------------------------------------------");

            log.debug("All {} browsers stopped in {} millis", numBrowsers, destructionTime);

            log.debug("----------------------------------------------------------------");
        }
    }

    private void initTestFolder(String testName) throws IOException {

        KurentoTest.setTestClassName(this.getClass().getSimpleName());
        KurentoTest.setTestMethodName(testName);

        log.debug("Tests dir {}", KurentoTest.getTestDir());

        Path testFolder = Paths.get(KurentoTest.getTestDir(), "BrowserCreationTest");

        if (Files.exists(testFolder)) {
            log.debug("Deleting test folder {}", testFolder);
            FileUtils.forceDelete(testFolder.toFile());
        }

        log.debug("Creating test folder {}", testFolder);
        Files.createDirectories(testFolder);
    }

}