Java @SpringBootTest decorator导致测试在WatchService中卡住
我有一个简单的应用程序,我想用它监视一个目录,到目前为止,我是通过使用WatchService类来完成的: 应用程序类:Java @SpringBootTest decorator导致测试在WatchService中卡住,java,spring-boot,junit5,watchservice,Java,Spring Boot,Junit5,Watchservice,我有一个简单的应用程序,我想用它监视一个目录,到目前为止,我是通过使用WatchService类来完成的: 应用程序类: @SpringBootApplication public class MmsdirectorywatcherApplication { public static void main(String[] args) { SpringApplication.run(MmsdirectorywatcherApplication.class, args);
@SpringBootApplication
public class MmsdirectorywatcherApplication {
public static void main(String[] args) {
SpringApplication.run(MmsdirectorywatcherApplication.class, args);
}
@Autowired
DirectoryWatcher directoryWatcher;
@Bean
public CommandLineRunner commandLineRunner(ApplicationContext ctx) {
return args -> {
directoryWatcher.startWatching();
};
}
}
DirectoryWatcher:
@Component
public class DirectoryWatcher {
WatchService watchService;
Path path;
private String watcherDiretory;
public DirectoryWatcher() {
}
@Value("${mms.directorywatcher.directory}")
public void setWatcherDiretory(String watcherDiretory) {
this.watcherDiretory = watcherDiretory;
}
public void startWatching(){
path = Paths.get(watcherDiretory);
try{
watchService
= FileSystems.getDefault().newWatchService();
path.register(
watchService,
StandardWatchEventKinds.ENTRY_CREATE,
StandardWatchEventKinds.ENTRY_DELETE,
StandardWatchEventKinds.ENTRY_MODIFY);
WatchKey key;
while ((key = watchService.take()) != null) {
for (WatchEvent<?> event : key.pollEvents()) {
System.out.println(
"Event kind:" + event.kind()
+ ". File affected: " + event.context() + ".");
}
key.reset();
}
}
catch (IOException ex){
}
catch (InterruptedException ex){
}
}
}
当我运行测试时,它似乎被卡住了,好像有什么东西阻止了它的完成。可能是watchService本身,但我不确定如何解决这个问题,因为我确实希望最终测试是否调用了startWatching
感谢您抽出时间您的上下文开始调用
startWatching()
,并且该函数永远不会返回。请注意,watchService.take()
将一直阻止,直到出现事件
@SpringBootTest(classes = {MmsdirectorywatcherApplication.class})
class MmsdirectorywatcherApplicationTests {
@Autowired
private DirectoryWatcher directoryWatcher;
@Test
void contextLoads() {
assertNotNull(directoryWatcher);
}
}