如何使JUnit测试用例并行执行?

问题描述

我发现jUnit中的测试用例是按顺序执行的，如何使它们并行执行?

I found the test cases inside jUnit are executed in sequence, how to make them execute in parallel?

推荐答案

Junit4使用 ParallelComputer 提供并行功能:

Junit4 provides parallel feature using ParallelComputer:

public class ParallelComputerTest {

   @Test
   public void test() {
      Class[] cls={ParallelTest1.class,ParallelTest2.class };

      //Parallel among classes
      JUnitCore.runClasses(ParallelComputer.classes(), cls);

      //Parallel among methods in a class
      JUnitCore.runClasses(ParallelComputer.methods(), cls);

      //Parallel all methods in all classes
      JUnitCore.runClasses(new ParallelComputer(true, true), cls);
   }

   public static class ParallelTest1 {
      @Test public void a(){}
      @Test public void b(){}
   }

   public static class ParallelTest2 {
      @Test public void a(){}
      @Test public void b(){}
   }
}

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