我想从扩展运行测试ParentRunner
。我这样做是为了学习,而不是任何特定的场景。我有下面的类,下面还有输出。有几件事我不明白: 1.为什么“describeChild”被重复调用3次?2. 为什么测试没有运行?(“doOne”和“doTwo”)?取消注释这一行: //Result result = JUnitCore.runClasses(arg0.getClass()); 正在执行测试,但我不明白为什么它会这样工作?3. 最重要的是 - 那行呢:@SuiteClasses({ChildOne.class, ChildTwo.class})?它对代码的行为没有影响......非常感谢任何回应的人:-)
套房类:
@RunWith(FamilyRunner.class)
@SuiteClasses({ChildOne.class, ChildTwo.class, ChildThree.class})
public class Suite {
//nothing here
}
跑者类:
public class FamilyRunner extends ParentRunner<ParentClass>{
public FamilyRunner(Class<?> klass) throws InitializationError {
super(klass);
}
@Rule
public TestName name = new TestName();
@Override
protected List<ParentClass> getChildren() {
List<ParentClass> list = new ArrayList<>();
System.out.println("Adding items to list");
list.add(new ChildOne());
list.add(new ChildTwo());
return list;
}
@Override
protected Description describeChild(ParentClass arg0) {
System.out.println("describeChild class: " + arg0.getClass().getSimpleName());
Description desc = Description.createTestDescription(name.getMethodName(),
name.getMethodName(), getClass().getAnnotations());
return desc;
}
@Override
protected void runChild(ParentClass arg0, RunNotifier arg1) {
System.out.println("runChild " + arg0.getClass().getSimpleName());
//Result result = JUnitCore.runClasses(arg0.getClass());
}
}
和:
public class ParentClass {
public ParentClass() {
System.out.println("created parent class");
}
}
public class ChildOne extends ParentClass {
public ChildOne() {
System.out.println("created ChildOne class");
}
@Test
public void doOne(){
System.out.println("doOne");
}
}
public class ChildTwo extends ParentClass {
public ChildTwo() {
System.out.println("created ChildTwo class");
}
@Test
public void doTwo(){
System.out.println("doTwo");
}
}
控制台打印:
Adding items to list
created parent class
created ChildOne class
created parent class
created ChildTwo class
describeChild class: ChildOne
describeChild class: ChildTwo
describeChild class: ChildOne
describeChild class: ChildTwo
describeChild class: ChildOne
describeChild class: ChildTwo
runChild ChildOne
runChild ChildTwo