content: package act;
  
  /*-
   * #%L
   * ACT Framework
   * %%
   * Copyright (C) 2014 - 2017 ActFramework
   * %%
   * 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.
   * #L%
   */
  
  import act.boot.server.ServerBootstrapClassLoader;
  import org.junit.runners.BlockJUnit4ClassRunner;
  import org.junit.runners.model.InitializationError;
  import org.osgl.util.E;
  import org.osgl.util.IO;
  import org.osgl.util.S;
  
  import java.io.File;
  
  public class BootstrapClassLoaderTestRunner extends BlockJUnit4ClassRunner {
  
      public BootstrapClassLoaderTestRunner(Class<?> clazz) throws InitializationError {
          super(getFromTestClassloader(clazz));
          Thread.currentThread().setContextClassLoader(classLoader);
      }
  
      private static Class<?> getFromTestClassloader(Class<?> clazz) throws InitializationError {
          try {
              Act.initEnhancerManager();
              return classLoader().loadClass(clazz.getName());
          } catch (ClassNotFoundException e) {
              throw new InitializationError(e);
          }
      }
  
      private static ServerBootstrapClassLoader classLoader() {
          if (null == classLoader) {
              initClassLoader();
          }
          return classLoader;
      }
  
      private static void initClassLoader() {
          prepareActHome();
          classLoader = new TestServerBootstrapClassLoader(ActTestBase.class.getClassLoader());
      }
  
      private static void prepareActHome() {
          File actHome = ActTestBase.root();
          File lib = ensureDir(actHome, "lib");
          File plugin = ensureDir(actHome, "plugin");
          packageActJarInto(lib);
          packageTestJarInto(lib);
          packagePluginJarInto(plugin);
          System.setProperty(Constants.ACT_HOME, actHome.getAbsolutePath());
      }
  
      private static File ensureDir(File root, String dir) {
          File file = new File(root, dir);
          E.unexpectedIf(!file.exists() && !file.mkdirs(), "Cannot create act dir: %s", file.getAbsolutePath());
          return file;
      }
  
      private static void packageActJarInto(File lib) {
          File classes = new File(ActTestBase.root(), "classes");
          packageJarInto(classes, new File(lib, "act.jar"), "*");
      }
  
      private static void packageTestJarInto(File lib) {
          File classes = new File(ActTestBase.root(), "test-classes");
          packageJarInto(classes, new File(lib, "act-test.jar"), "*");
      }
  
      private static void packagePluginJarInto(File lib) {
          File classes = new File(ActTestBase.root(), "test-classes");
          packageJarInto(classes, new File(lib, "playground.jar"), "playground");
      }
  
      private static void packageJarInto(File from, File to, String selector) {
          try {
              String cmd = S.fmt("jar cf %s %s", to.getAbsolutePath(), selector);
              Process p = Runtime.getRuntime().exec(cmd.split("[\\s]+"), null, from);
              p.waitFor();
              String out = IO.readContentAsString(p.getInputStream());
              String err = IO.readContentAsString(p.getErrorStream());
          } catch (Exception e) {
              throw E.unexpected(e);
          }
      }
  
      public static ServerBootstrapClassLoader classLoader;
  }
  