Android 浓缩咖啡等待[RxIdlingResource]变为空闲超时
我对浓缩咖啡测试还不熟悉。在我现有的应用程序中,我们使用RxAndroid进行一些联网。我们使用RxBus与应用程序中看似“不可能”的部分进行通信 我们导入了实现Android 浓缩咖啡等待[RxIdlingResource]变为空闲超时,android,android-testing,android-espresso,rx-android,Android,Android Testing,Android Espresso,Rx Android,我对浓缩咖啡测试还不熟悉。在我现有的应用程序中,我们使用RxAndroid进行一些联网。我们使用RxBus与应用程序中看似“不可能”的部分进行通信 我们导入了实现idlingsource的,这样我们就可以使用RxAndroid网络调用 不幸的是,它不允许RxBus工作,因为它是一个“热可观测”且从不关闭。因此,它抛出android.support.test.espresso.idlingsourcetimeoutexception:等待[RxIdlingResource]变为空闲超时 我制作了一
idlingsource
的,这样我们就可以使用RxAndroid网络调用
不幸的是,它不允许RxBus工作,因为它是一个“热可观测”且从不关闭。因此,它抛出android.support.test.espresso.idlingsourcetimeoutexception:等待[RxIdlingResource]变为空闲超时
我制作了一个小的Android应用程序来证明我的观点。
它有两项活动。第一个显示启动时通过网络调用在RecyclerView
中检索到的一些项目
当点击它时,它会通过RxBus进行通信(我知道这有点过分,但纯粹是为了证明这一点)。然后,DetailActivity
显示数据
我们如何进行编辑以使其与RxBus配合使用
RxIdlingResource也可以检查
/**
*为RxJava和Espresso提供挂钩,以便Espresso知道何时等待
*直到RxJava订阅完成。
*/
公共最终类RxIdlingResource扩展RxJavaObservableExecutionHook实现IDlingSource{
公共静态最终字符串TAG=“RxIdlingResource”;
静态日志级别LOG_LEVEL=无;
私有最终AtomicInteger订阅=新的AtomicInteger(0);
私有静态资源实例;
私有资源回调;
私有资源{
//私人的
}
公共静态RxIdlingResource get(){
if(实例==null){
实例=新的RxIdlingResource();
浓缩咖啡注册资源(实例);
}
返回实例;
}
/* ======================== */
/*IdlingResource覆盖*/
/* ======================== */
@凌驾
公共字符串getName(){
返回标签;
}
@凌驾
公共布尔值isIdleNow(){
int-activeSubscriptionCount=subscriptions.get();
布尔isIdle=activeSubscriptionCount==0;
if(日志级atOrAbove(调试)){
Log.d(标记“activeSubscriptionCount:+activeSubscriptionCount”);
Log.d(标签“isIdleNow:+isIdle”);
}
返回isIdle;
}
@凌驾
公共无效RegisterIDletionCallback(ResourceCallback ResourceCallback){
if(日志级atOrAbove(调试)){
d(标记“registeridletioncallback”);
}
this.resourceCallback=resourceCallback;
}
/* ======================================= */
/*RxJavaObservableExecutionHook重写*/
/* ======================================= */
@凌驾
public Observable.on Subscribe on SubscribeStart(Observable由于我们没有得到这个问题的任何更好的答案,我们假设通过RxBus发送的对象是即时的,不需要计入订阅中。incrementAndGet();
我们只是在这一行之前过滤掉对象。在我们的例子中,对象属于类SerializedSubject
和PublishSubject
这是我们改变的方法
@Override
public <T> Observable.OnSubscribe<T> onSubscribeStart(Observable<? extends T> observableInstance, final Observable.OnSubscribe<T> onSubscribe) {
int activeSubscriptionCount = 0;
if (observableInstance instanceof SerializedSubject || observableInstance instanceof PublishSubject) {
Log.d(TAG, "Observable we won't register: " + observableInstance.toString());
} else {
activeSubscriptionCount = subscriptions.incrementAndGet();
}
if (LOG_LEVEL.atOrAbove(DEBUG)) {
if (LOG_LEVEL.atOrAbove(VERBOSE)) {
Log.d(TAG, onSubscribe + " - onSubscribeStart: " + activeSubscriptionCount, new Throwable());
} else {
Log.d(TAG, onSubscribe + " - onSubscribeStart: " + activeSubscriptionCount);
}
}
onSubscribe.call(new Subscriber<T>() {
@Override
public void onCompleted() {
onFinally(onSubscribe, "onCompleted");
}
@Override
public void onError(Throwable e) {
onFinally(onSubscribe, "onError");
}
@Override
public void onNext(T t) {
Log.d(TAG, "onNext:: " + t.toString());
//nothing
}
});
return onSubscribe;
}
@覆盖
公共可观测的,可观测的
public class RxBus {
//private final PublishSubject<Object> _bus = PublishSubject.create();
// If multiple threads are going to emit events to this
// then it must be made thread-safe like this instead
private final Subject<Object, Object> _bus = new SerializedSubject<>(PublishSubject.create());
public void send(Object o) {
_bus.onNext(o);
}
public Observable<Object> toObserverable() {
return _bus;
}
public boolean hasObservers() {
return _bus.hasObservers();
}
}
public class MainActivity extends AppCompatActivity {
@Bind(R.id.rv)
RecyclerView RV;
private List<NewsItem> newsItems;
private RecyclerViewAdapter adapter;
private Observable<List<NewsItem>> newsItemsObservable;
private CompositeSubscription subscriptions = new CompositeSubscription();
private RxBus rxBus;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ButterKnife.bind(this);
//Subscribe to RxBus
rxBus = new RxBus();
subscriptions.add(rxBus.toObserverable()
.subscribe(new Action1<Object>() {
@Override
public void call(Object event) {
//2.
NewsItem myClickNewsItem = (NewsItem) event;
startActivity(new Intent(MainActivity.this, DetailActivity.class).putExtra("text", myClickNewsItem.getBodyText()));
}
}));
//Set the adapter
adapter = new RecyclerViewAdapter(this);
//Set onClickListener on the list
ItemClickSupport.addTo(RV).setOnItemClickListener(new ItemClickSupport.OnItemClickListener() {
@Override
public void onItemClicked(RecyclerView recyclerView, int position, View v) {
//Send the clicked item over the RxBus.
//Receives it in 2.
rxBus.send(newsItems.get(position));
}
});
RV.setLayoutManager(new LinearLayoutManager(this));
RestAdapter retrofit = new RestAdapter.Builder()
.setEndpoint("http://URL.com/json")
.build();
ServiceAPI api = retrofit.create(ServiceAPI.class);
newsItemsObservable = api.listNewsItems(); //onComplete goes to setNewsItems
}
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
NewsItemObserver observer = new NewsItemObserver(this);
newsItemsObservable.delaySubscription(1, TimeUnit.SECONDS).observeOn(AndroidSchedulers.mainThread()).subscribeOn(Schedulers.io()).subscribe(observer);
}
public void setNewsItems(List<NewsItem> newsItems) {
this.newsItems = newsItems;
adapter.setNewsItems(newsItems);
RV.setAdapter(adapter);
}
@Override
public <T> Observable.OnSubscribe<T> onSubscribeStart(Observable<? extends T> observableInstance, final Observable.OnSubscribe<T> onSubscribe) {
int activeSubscriptionCount = 0;
if (observableInstance instanceof SerializedSubject || observableInstance instanceof PublishSubject) {
Log.d(TAG, "Observable we won't register: " + observableInstance.toString());
} else {
activeSubscriptionCount = subscriptions.incrementAndGet();
}
if (LOG_LEVEL.atOrAbove(DEBUG)) {
if (LOG_LEVEL.atOrAbove(VERBOSE)) {
Log.d(TAG, onSubscribe + " - onSubscribeStart: " + activeSubscriptionCount, new Throwable());
} else {
Log.d(TAG, onSubscribe + " - onSubscribeStart: " + activeSubscriptionCount);
}
}
onSubscribe.call(new Subscriber<T>() {
@Override
public void onCompleted() {
onFinally(onSubscribe, "onCompleted");
}
@Override
public void onError(Throwable e) {
onFinally(onSubscribe, "onError");
}
@Override
public void onNext(T t) {
Log.d(TAG, "onNext:: " + t.toString());
//nothing
}
});
return onSubscribe;
}