android – Espresso如何等待一段时间(1小时)？

概述在我的测试用例中,我必须记录1小时,在机器人solo.sleep(600000)完成了我的工作,但在espresso我感到困惑IdlingResource的概念.我必须开始录音并等待一段时间(取决于测试的类型)15分钟,60分钟等 机器人中的等效代码 solo.clickOnView(solo.getView("start_record")); solo.sleep(duration * 在我的测试用例中,我必须记录1小时,在机器人solo.sleep(600000)完成了我的工作,但在espresso我感到困惑IDlingResource的概念.我必须开始录音并等待一段时间(取决于测试的类型)15分钟,60分钟等

机器人中的等效代码

solo.clickOnVIEw(solo.getVIEw("start_record"));    solo.sleep(duration * 60 * 1000);    solo.clickOnVIEw(solo.getVIEw("stop_record"));

我尝试在espresso中使用它

@RunWith(AndroIDJUnit4.class)@SmallTestpublic class AaEspressoTest {private static final String LAUNCHER_ACTIVITY_FulL_CLASSname = "com.absd.rec.RecorderActivity";private static Class<?> launcherActivityClass;private Solo solo;private static CoreRecordingTest skyroTestRunner;private static Class<? extends Activity> activityClass;static {    try {        activityClass = (Class<? extends Activity>) Class.forname(LAUNCHER_ACTIVITY_FulL_CLASSname);    } catch (ClassNotFoundException e) {        throw new RuntimeException(e);    }}@Rulepublic final ActivityTestRule<?> activityRule        = new ActivityTestRule<>(activityClass);private IntentServiceIDlingResource IDlingResource;@Beforepublic voID registerIntentServiceIDlingResource() {    Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();    IDlingResource = new IntentServiceIDlingResource(instrumentation.getTargetContext());    Espresso.registerIDlingResources(IDlingResource);}@Afterpublic voID unregisterIntentServiceIDlingResource() {    Espresso.unregisterIDlingResources(IDlingResource);}@Testpublic voID testHello() throws Exception { onVIEw(withID(AaEspressoTest.getID("recorderpage_record"))).perform(click());    registerIntentServiceIDlingResource();    onVIEw(withID(AaEspressoTest.getID("recorderpage_stop"))).perform(click());   }}

空闲资源

public class IntentServiceIDlingResource implements IDlingResource {private final Context context;private ResourceCallback resourceCallback;public static boolean status = false;public IntentServiceIDlingResource(Context context) {    this.context = context;}@OverrIDepublic String getname() {    return IntentServiceIDlingResource.class.getname();}@OverrIDepublic boolean isIDleNow() {    return getTimer();}@OverrIDepublic voID registerIDleTransitionCallback(ResourceCallback resourceCallback) {    this.resourceCallback = resourceCallback;}private static boolean getTimer() {    new CountDownTimer(5000,1000) {        @OverrIDe        public voID onTick(long millisUntilFinished) {            // Do nothing            status = false;        }        @OverrIDe        public voID onFinish() {                         status = true;        }    };    return status;}}

例外：

androID.support.test.espresso.IDlingResourceTimeoutException: Wait for [com.adbs.recorder.IntentServiceIDlingResource] to become IDle timed out

解决方法 您需要一个具有isIDleNow()的IDlingResource,只有在特定的时间量过去时才返回true.为了达到这个目的,保存开始时间并与当前时间进行比较：

public class elapsedtimeIDlingResource implements IDlingResource {  private final long startTime;  private final long waitingTime;  private ResourceCallback resourceCallback;  public elapsedtimeIDlingResource(long waitingTime) {    this.startTime = System.currentTimeMillis();    this.waitingTime = waitingTime;  }  @OverrIDe  public String getname() {    return elapsedtimeIDlingResource.class.getname() + ":" + waitingTime;  }  @OverrIDe  public boolean isIDleNow() {    long elapsed = System.currentTimeMillis() - startTime;    boolean IDle = (elapsed >= waitingTime);    if (IDle) {      resourceCallback.onTransitionToIDle();    }    return IDle;  }  @OverrIDe  public voID registerIDleTransitionCallback(      ResourceCallback resourceCallback) {    this.resourceCallback = resourceCallback;  }}

在测试中创建并注册此空闲资源：

@Testpublic static voID waitForOneHour() {  long waitingTime = DateUtils.HOUR_IN_MILliS;  // Start  onVIEw(withID(AaEspressoTest.getID("recorderpage_record")))      .perform(click());  // Make sure Espresso does not time out  IDlingPolicIEs.setMasterPolicyTimeout(      waitingTime * 2,TimeUnit.MILliSECONDS);  IDlingPolicIEs.setIDlingResourceTimeout(      waitingTime * 2,TimeUnit.MILliSECONDS);  // Now we wait  IDlingResource IDlingResource = new elapsedtimeIDlingResource(waitingTime);  Espresso.registerIDlingResources(IDlingResource);  // Stop  onVIEw(withID(AaEspressoTest.getID("recorderpage_stop")))      .perform(click());  // Clean up  Espresso.unregisterIDlingResources(IDlingResource);}

您需要setMasterPolicyTimeout和setIDlingResourceTimeout调用,以确保Espresso由于超时而不会终止测试.

完整例子：https://github.com/chiuki/espresso-samples/tree/master/idling-resource-elapsed-time

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