Question

当前，我正在尝试获取静态上下文中从BaseTest继承的任何基础类的类名。为了说明，我正在写一个基类确实使用了junit的@BeforeClass。这里的问题是我在类的所有测试之前启动了一个伪造的应用程序，它在内存h2数据库中拥有。我想将数据库命名为测试类，以便以后可以查看每个测试写入数据库的内容。

BaseTest：

public abstract class BaseTest {
private static final Map<String, String> testConfig = getTestConfig();
private static FakeApplication fakeApplication;

@BeforeClass
public static void onlyOnce(){
    fakeApplication = Helpers.fakeApplication(testConfig);
    Helpers.start(fakeApplication);
}

@AfterClass
public static void afterClass(){
    Helpers.stop(fakeApplication);
    fakeApplication = null;
}

private static Map<String, String> getTestConfig() {
    //Here should bee FooTest in this case! But actually it's BaseTest
    String className = MethodHandles.lookup().lookupClass().getSimpleName();
    ...
    configs.put("db.default.url", "jdbc:h2:file:./data/tests/" + className  + ";AUTO_SERVER=TRUE;MODE=Oracle;DB_CLOSE_ON_EXIT=FALSE");
}

例如一些子测试：

public class FooTest extends BaseTest{
     @Test 
     public void testFoo(){
     }
}

我已经尝试了几种方法，据我所知这是不可能的。但是我只想问一问我是否还不知道。

Answer 1

我找到了使用'@ClassRule'并暗示一个定制TestWatcher的解决方案。由于starting(Description description)在@BeforeClass public static void beforeClass()方法之前被调用，我可以这样使用它：

这是我的代码：

public abstract class BaseTest {
    @ClassRule
    public static CustomTestWatcher classWatcher = new CustomTestWatcher();
    private static Map<String, String> testConfig;
    private static FakeApplication fakeApplication;    


    public static class CustomTestWatcher extends TestWatcher {
        private String className = BaseTest.class.getSimpleName();

        public String getClassName() {
            return className;
        }

        private void setClassName(String className) {
            this.className = className;
        }

        @Override
        protected void starting(Description description) {
            //This will set className to = FooTest!
            setClassName(description.getClassName());
            System.out.println("\nStarting test class: " + className);
        }
    }

    @BeforeClass
    public static void beforeClass() {
        //Here now finally is FooTest!
        String className = classWatcher.getClassName();
        System.out.println("Creating Test Database and Fake Application for " + className);
        ...
    }

从其父级的静态上下文中获取测试类名称

1 个答案: