如何告诉Maven2在新的JVM实例中一个接一个地执行jUnit测试?

问题描述

是否可以告诉Maven2在新的JVM实例(分支)中以串行方式(即，一个接一个地)执行每个jUnit测试.

Is it possible to tell Maven2 to execute every jUnit test in new JVM instance (fork) in serial mode, i.e. one by one.

推荐答案

您必须像解释的

<plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-surefire-plugin</artifactId>
  <version>2.9</version>
  <configuration>
    <forkMode>always</forkMode>
  </configuration>
</plugin>

通过声明Sytem属性也应该有可能

It should also be possible by just declaring a Sytem property

mvn -DforkMode=always test

如文档中所述:始终"派生每个测试类.我不知道" pertest "设置是否会为每个测试派生.

As described in the documentation: "always" forks for each test-class. I do not know if the "pertest" setting will fork for each test.

感谢@Djebel指出现在已弃用forkMode.有关" Fork选项和并行测试"的详细文档执行"以及如何使用新参数 forkCount 和 reuseForks ，其中还包括以下迁移提示:

Thanks to @Djebel for pointing out that forkMode is deprecated now. There is a detailed documentation on "Fork Options and Parallel Test Execution" and how to use the new parameters forkCount and reuseForks and that also includes the following migration tips:

Old Setting                         New Setting
forkMode=once (default)             forkCount=1 (default), reuseForks=true (default)
forkMode=always                     forkCount=1 (default), reuseForks=false
forkMode=never                      forkCount=0
forkMode=perthread, threadCount=N   forkCount=N, (reuseForks=false, if you did not had that one set)

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