/*
    * 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, 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.apache.maven.surefire.api.runorder;
  
  import java.util.List;
  
  import junit.framework.TestCase;
  import org.apache.maven.surefire.api.util.internal.ClassMethod;
  
  /**
   * @author Kristian Rosenvold
   */
  public class ThreadedExecutionSchedulerTest extends TestCase {
  
      private final RunEntryStatistics a1 = fromValues(200, 2, A.class, "at1");
  
      private final RunEntryStatistics a2 = fromValues(300, 2, A.class, "at2");
  
      private final RunEntryStatistics b1 = fromValues(400, 2, B.class, "bt1");
  
      private final RunEntryStatistics b2 = fromValues(300, 2, B.class, "bt2");
  
      private final RunEntryStatistics c1 = fromValues(400, 2, C.class, "ct1");
  
      private final RunEntryStatistics c2 = fromValues(200, 2, C.class, "ct2");
  
      private final RunEntryStatistics d1 = fromValues(401, 2, D.class, "ct2");
  
      private final RunEntryStatistics e1 = fromValues(200, 2, E.class, "ct2");
  
      public void testAddTest() {
          ThreadedExecutionScheduler threadedExecutionScheduler = new ThreadedExecutionScheduler(2);
          addPrioritizedTests(threadedExecutionScheduler);
          final List<Class<?>> result = threadedExecutionScheduler.getResult();
          assertEquals(5, result.size());
          assertEquals(B.class, result.get(0));
          assertEquals(C.class, result.get(1));
          assertEquals(D.class, result.get(2));
          assertEquals(A.class, result.get(3));
          assertEquals(E.class, result.get(4));
      }
  
      public void testAddTestJaggedResult() {
          ThreadedExecutionScheduler threadedExecutionScheduler = new ThreadedExecutionScheduler(4);
          addPrioritizedTests(threadedExecutionScheduler);
          final List<Class<?>> result = threadedExecutionScheduler.getResult();
          assertEquals(5, result.size());
      }
  
      private void addPrioritizedTests(ThreadedExecutionScheduler threadedExecutionScheduler) {
          threadedExecutionScheduler.addTest(new PrioritizedTest(B.class, createPriority(b1, b2)));
          threadedExecutionScheduler.addTest(new PrioritizedTest(C.class, createPriority(c1, c2)));
          threadedExecutionScheduler.addTest(new PrioritizedTest(A.class, createPriority(a1, a2)));
          threadedExecutionScheduler.addTest(new PrioritizedTest(D.class, createPriority(d1)));
          threadedExecutionScheduler.addTest(new PrioritizedTest(E.class, createPriority(e1)));
      }
  
      private Priority createPriority(RunEntryStatistics runEntryStatistics) {
          final Priority priority = new Priority(A.class.getName());
          priority.addItem(runEntryStatistics);
          return priority;
      }
  
      private Priority createPriority(RunEntryStatistics runEntryStatistics, RunEntryStatistics runEntryStatistics2) {
          final Priority priority = new Priority(A.class.getName());
          priority.addItem(runEntryStatistics);
          priority.addItem(runEntryStatistics2);
          return priority;
      }
  
      private static RunEntryStatistics fromValues(int runTime, int successfulBuilds, Class clazz, String testName) {
          ClassMethod classMethod = new ClassMethod(clazz.getName(), testName);
          return new RunEntryStatistics(runTime, successfulBuilds, classMethod);
      }
  
      class A {} // 500 total
  
      class B {} // 700 total
  
      class C {} // 600  total
  
      class D {} // 400 total
  
     class E {} // 200 total
 }