Package com.github.dandelion.datatables.integration

Source Code of com.github.dandelion.datatables.integration.ThymeleafBaseIT

/*
* [The "BSD licence"]
* Copyright (c) 2013-2014 Dandelion
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Dandelion nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.github.dandelion.datatables.integration;

import java.io.File;
import java.io.IOException;
import java.net.URL;

import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.nio.SelectChannelConnector;
import org.eclipse.jetty.webapp.WebAppContext;
import org.fluentlenium.core.Fluent;
import org.fluentlenium.core.domain.FluentList;
import org.fluentlenium.core.domain.FluentWebElement;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.rules.TestWatcher;
import org.junit.runner.Description;
import org.openqa.selenium.Dimension;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.phantomjs.PhantomJSDriver;
import org.openqa.selenium.remote.DesiredCapabilities;

import com.github.dandelion.core.DandelionException;
import com.github.dandelion.core.asset.Asset;
import com.github.dandelion.core.asset.AssetType;
import com.github.dandelion.core.asset.cache.AssetCacheManager;
import com.github.dandelion.core.config.DandelionConfig;
import com.github.dandelion.core.utils.ResourceUtils;
import com.github.dandelion.core.web.DandelionServlet;

/**
* <p>
* Common abstract superclass for all tests, JSP or Thymeleaf.
*
* <p>
* This class initializes the Selenium WebDriver using a {@link TestWatcher}.
* Also it contains some utility methods available in all tests.
*
* @author Thibault Duchateau
* @since 0.9.0
*/
public abstract class ThymeleafBaseIT extends Fluent {

  public static final Dimension DEFAULT_WINDOW_SIZE = new Dimension(1024, 768);
  public static final String TABLE_ID = "myTableId";
  public static final String TABLE_ID2 = "mySecondTableId";
  public static final String SERVER_HOST = "127.0.0.1";
  public static final int SERVER_PORT = 9190;
 
  protected static WebDriver driver;
  protected static WebAppContext context;
  protected static Server server;
 
  @BeforeClass
  public static void beforeClass() {

    // Add system property to disable asset caching
    System.setProperty("dandelion.mode", "development");

    // We force here Dandelion to use Servlet 2.x compatible classes to
    // avoid an issue with Jetty which can't serve assets under the
    // META-INF/resources directory
    System.setProperty(DandelionConfig.OVERRIDE_SERVLET3.getName(), "false");
       
    // Create a new web server
    server = new Server();
    SelectChannelConnector connector = new SelectChannelConnector();
    connector.setHost(SERVER_HOST);
    connector.setPort(SERVER_PORT);
    server.addConnector(connector);

    context = new WebAppContext("src/test/webapp", "/");
    context.addServlet(ThymeleafServlet.class, "/thymeleaf/*");

    server.setHandler(context);
    server.setStopAtShutdown(true);

    try {
      server.start();
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }
 
  @Rule
  public TestWatcher watchman = new TestWatcher() {
    @Override
    protected void starting(Description description) {
      if (null == driver) {
        Runtime.getRuntime().addShutdownHook(new Thread() {
          @Override
          public void run() {
            if (driver != null) {
              driver.quit();
            }
          }
        });

        DesiredCapabilities desiredCapabilities = new DesiredCapabilities();
        desiredCapabilities.setCapability("phantomjs.page.settings.handlesAlerts", true);
        desiredCapabilities.setCapability("phantomjs.page.settings.localToRemoteUrlAccessEnabled", true);
        desiredCapabilities.setCapability("phantomjs.page.settings.webSecurityEnabled", false);
        desiredCapabilities.setCapability("takesScreenshot", false);
        desiredCapabilities.setCapability("browserConnectionEnabled", true);
        desiredCapabilities.setCapability("locationContextEnabled", true);
        desiredCapabilities.setCapability("applicationCacheEnabled", true);
        driver = new PhantomJSDriver(desiredCapabilities);
      }

      driver.manage().deleteAllCookies();
      driver.manage().window().setSize(DEFAULT_WINDOW_SIZE);
      initFluent(driver).withDefaultUrl(defaultUrl());
    }

    @Override
    protected void succeeded(Description description) {
      snapshotFile(description).delete();
    }

    @Override
    protected void failed(Throwable e, Description description) {
      takeScreenShot(snapshotFile(description).getAbsolutePath());
    }

    private File snapshotFile(Description description) {
      return new File("snapshots", description.getMethodName() + ".png");
    }
  };

  @AfterClass
  public static void afterClass() {
    try {
      server.stop();
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }
 
  public String defaultUrl() {
    return "http://" + SERVER_HOST + ":" + SERVER_PORT;
  }
 
  public String getDefaultBaseUrl() {
    return "http://" + SERVER_HOST + ":" + SERVER_PORT;
  }
 
  @SuppressWarnings("unchecked")
  public FluentList<FluentWebElement> getTable() {
    return find("#" + TABLE_ID + "_wrapper").find("table");
  }

  public FluentWebElement getHtmlBody() {
    return findFirst("body");
  }
 
  /**
   * <p>
   * Build the path to the view to load for an integration test depending on
   * the kind of test to run.
   *
   * <p>
   * All test classes must be annotated either with {@link JspTest} or with
   * {@link ThymeleafTest}.
   *
   * @param page
   *            The page to load, without any prefix or suffix.
   */
  public void goToPage(String page){
    goTo("/thymeleaf/" + page);
  }
 
  public void goToPage(String page, Boolean display){
    goToPage(page);
    if(display){
      System.out.println(driver.getPageSource());
      System.out.println(getConfigurationFromPage(page));
    }
  }
 
  public String getConfigurationFromPage(String page) {
    AssetCacheManager cacheManager = new AssetCacheManager(null);
    Asset asset = new Asset("dandelion-datatables", "0.10.0", AssetType.js);
    String cacheKey = cacheManager.generateCacheKey("http://" + SERVER_HOST + ":" + SERVER_PORT + "/thymeleaf/" + page, asset);
    String url = "http://" + SERVER_HOST + ":" + SERVER_PORT + DandelionServlet.DANDELION_ASSETS_URL + cacheKey;
    try {
      URL urlLocation = new URL(url);
      return ResourceUtils.getContentFromInputStream(urlLocation.openStream());
    }
    catch (IOException e) {
      StringBuilder sb = new StringBuilder("The content pointed by the url ");
      sb.append(url);
      sb.append(" can't be read.");
      throw new DandelionException(sb.toString(), e);
    }
  }
}
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