Espresso, Beyond the basics

Transcript

1. Espresso Beyond the basics
2. onView(withId(R.id.button_take_photo))
 .perform(click())
 .check(matches(isDisplayed()));

3. onView(withId(R.id.button_take_photo))
 .perform(click())
 .check(matches(isDisplayed()));

4. Structure
5. Instrumentation
6. Instrumentation MonitorningInstrumentation
7. Instrumentation MonitorningInstrumentation AndroidJunitRunner
8. Instrumentation MonitorningInstrumentation AndroidJunitRunner class notClass size log annotation notAnnotation numShards shardIndex delay_msec coverage coverageFile suiteAssignment debug listener package notPackage timeout_msec testFile disableAnalytics appListener idle
9. Instrumentation MonitorningInstrumentation AndroidJunitRunner class notClass size log annotation notAnnotation numShards shardIndex delay_msec coverage coverageFile suiteAssignment debug listener package notPackage timeout_msec testFile disableAnalytics appListener idle
10. Instrumentation MonitorningInstrumentation AndroidJunitRunner class notClass size log annotation notAnnotation numShards shardIndex delay_msec coverage coverageFile suiteAssignment debug listener package notPackage timeout_msec testFile disableAnalytics appListener idle
11. Instrumentation MonitorningInstrumentation AndroidJunitRunner class notClass size log annotation notAnnotation numShards shardIndex delay_msec coverage coverageFile suiteAssignment debug listener package notPackage timeout_msec testFile disableAnalytics appListener idle
12. Instrumentation MonitorningInstrumentation AndroidJunitRunner class notClass size log annotation notAnnotation numShards shardIndex delay_msec coverage coverageFile suiteAssignment debug listener package notPackage timeout_msec testFile disableAnalytics appListener idle
14. public static ViewInteraction onView(final Matcher<View> viewMatcher) {
 return BASE.plus(new ViewInteractionModule(viewMatcher)).viewInteraction();
 }
15. BaseLayerComponent
16. BaseLayerModule UiControllerModule BaseLayerComponent
17. BaseLayerModule ActivityLifeCycleMonitor Context Looper AsyncTaskPoolMonitor Executor ActivityRootLister EventInjector FailureHandler UiControllerModule Recycler BaseLayerComponent
18. BaseLayerModule ActivityLifeCycleMonitor Context Looper AsyncTaskPoolMonitor Executor ActivityRootLister EventInjector FailureHandler UiControllerModule Recycler BaseLayerComponent
19. BaseLayerModule ActivityLifeCycleMonitor Context Looper AsyncTaskPoolMonitor Executor ActivityRootLister EventInjector FailureHandler UiControllerModule Recycler BaseLayerComponent
20. BaseLayerModule ActivityLifeCycleMonitor Context Looper AsyncTaskPoolMonitor Executor ActivityRootLister EventInjector FailureHandler UiControllerModule Recycler UiController BaseLayerComponent
21. BaseLayerComponent
22. FailureHandlerHolder BaseLayerComponent FailureHandler ActivityRootLister IdlingResourceRegistry ViewInteractionComponent
23. FailureHandlerHolder BaseLayerComponent FailureHandler ActivityRootLister ViewInteractionComponent ViewInteractionModule IdlingResourceRegistry
24. FailureHandlerHolder BaseLayerComponent FailureHandler ActivityRootLister ViewInteractionComponent ViewInteractionModule Matcher<Root> Matcher<View> ViewFinder View IdlingResourceRegistry
26. Synchronization
27. 
 perform(click());
 
 MainActivityTest

28. 
 perform(click());
 new GeneralClickAction(Tap.SINGLE, VISIBLE_CENTER, Press.FINGER)); 
 MainActivityTest
 
 ViewActions

29. 
 perform(click());
 new GeneralClickAction(Tap.SINGLE, VISIBLE_CENTER, Press.FINGER)); 
 MotionEvents.sendDown(uiController, coordinates, precision);
 
 MainActivityTest
 
 ViewActions
 
 Tapper

30. 
 perform(click());
 new GeneralClickAction(Tap.SINGLE, VISIBLE_CENTER, Press.FINGER)); 
 MotionEvents.sendDown(uiController, coordinates, precision);
 
 uiController.injectMotionEvent(motionEvent);
 
 MainActivityTest
 
 ViewActions
 
 Tapper
 
 MotionEvents

31. InjectKeyEvent loopMainThreadUntilIdle
32. InjectKeyEvent loopMainThreadUntilIdle loopUntil Asynctask Idling
33. InjectKeyEvent loopMainThreadUntilIdle keyEventExecutor submit(event) loopUntil loopUntil Asynctask Idling KeyInject
34. @Override
 public void loopMainThreadUntilIdle() {
 do {
 EnumSet<IdleCondition> condChecks = EnumSet.noneOf(IdleCondition.class);
 if (!asyncTaskMonitor.isIdleNow()) {
 asyncTaskMonitor.notifyWhenIdle(…);
 condChecks.add(IdleCondition.ASYNC_TASKS_HAVE_IDLED);
 }
 
 if (!compatTaskMonitor.isIdleNow()) {
 compatTaskMonitor.notifyWhenIdle(…);
 condChecks.add(IdleCondition.COMPAT_TASKS_HAVE_IDLED);
 }
 
 if (!idlingResourceRegistry.allResourcesAreIdle()) {
 idlingResourceRegistry.notifyWhenAllResourcesAreIdle(…);
 condChecks.add(IdleCondition.DYNAMIC_TASKS_HAVE_IDLED);
 }
 
 loopUntil(condChecks);
 } while (!asyncTaskMonitor.isIdleNow() || !compatTaskMonitor.isIdleNow()()
 || !idlingResourceRegistry.allResourcesAreIdle());
 } UiControllerImpl.java
35. @Override
 public void loopMainThreadUntilIdle() {
 do {
 EnumSet<IdleCondition> condChecks = EnumSet.noneOf(IdleCondition.class);
 if (!asyncTaskMonitor.isIdleNow()) {
 asyncTaskMonitor.notifyWhenIdle(…);
 condChecks.add(IdleCondition.ASYNC_TASKS_HAVE_IDLED);
 }
 
 if (!compatTaskMonitor.isIdleNow()) {
 compatTaskMonitor.notifyWhenIdle(…);
 condChecks.add(IdleCondition.COMPAT_TASKS_HAVE_IDLED);
 }
 
 if (!idlingResourceRegistry.allResourcesAreIdle()) {
 idlingResourceRegistry.notifyWhenAllResourcesAreIdle(…);
 condChecks.add(IdleCondition.DYNAMIC_TASKS_HAVE_IDLED);
 }
 
 loopUntil(condChecks);
 } while (!asyncTaskMonitor.isIdleNow() || !compatIdle()
 || !idlingResourceRegistry.allResourcesAreIdle());
 } UiControllerImpl.java
36. @Override
 public void loopMainThreadUntilIdle() {
 do {
 EnumSet<IdleCondition> condChecks = EnumSet.noneOf(IdleCondition.class);
 if (!asyncTaskMonitor.isIdleNow()) {
 asyncTaskMonitor.notifyWhenIdle(…);
 condChecks.add(IdleCondition.ASYNC_TASKS_HAVE_IDLED);
 }
 
 if (!compatTaskMonitor.isIdleNow()) {
 compatTaskMonitor.notifyWhenIdle(…);
 condChecks.add(IdleCondition.COMPAT_TASKS_HAVE_IDLED);
 }
 
 if (!idlingResourceRegistry.allResourcesAreIdle()) {
 idlingResourceRegistry.notifyWhenAllResourcesAreIdle(…);
 condChecks.add(IdleCondition.DYNAMIC_TASKS_HAVE_IDLED);
 }
 
 loopUntil(condChecks);
 } while (!asyncTaskMonitor.isIdleNow() || !compatIdle()
 || !idlingResourceRegistry.allResourcesAreIdle());
 } UiControllerImpl.java
37. AsyncTaskPoolMonitor
38. AsyncTaskPoolMonitor AsyncTask CompatAsyncTask
39. private final AtomicReference<IdleMonitor> monitor = new AtomicReference<IdleMonitor>(null); private final ThreadPoolExecutor pool;
 private final AtomicInteger activeBarrierChecks = new AtomicInteger(0);
 AsyncTaskPoolMonitor.java
40. boolean isIdleNow() {
 if (!pool.getQueue().isEmpty()) {
 return false;
 } else {
 int activeCount = pool.getActiveCount();
 if (0 != activeCount) {
 if (monitor.get() == null) {
 activeCount = activeCount - activeBarrierChecks.get();
 }
 }
 return 0 == activeCount;
 }
 } private final AtomicReference<IdleMonitor> monitor = new AtomicReference<IdleMonitor>(null); private final ThreadPoolExecutor pool;
 private final AtomicInteger activeBarrierChecks = new AtomicInteger(0);
 AsyncTaskPoolMonitor.java
41. IdlingResourceRegistry.java
42. public boolean registerResources(final List<? extends IdlingResource> resourceList) { } public boolean unregisterResources(final List<? extends IdlingResource> resourceList) {
 }
 IdlingResourceRegistry.java
43. boolean allResourcesAreIdle() {
 for (int i = idleState.nextSetBit(0); i >= 0 && i < resources.size();
 i = idleState.nextSetBit(i + 1)) {
 idleState.set(i, resources.get(i).isIdleNow());
 }
 return idleState.cardinality() == resources.size();
 } public boolean registerResources(final List<? extends IdlingResource> resourceList) { } public boolean unregisterResources(final List<? extends IdlingResource> resourceList) {
 }
 IdlingResourceRegistry.java
45. abstract class WrappingExecutorService implements ExecutorService {
 private final ExecutorService delegate;
 
 protected GuavaWrappingExecutorService(ExecutorService delegate) {
 this.delegate = checkNotNull(delegate);
 }
 
 protected abstract <T> Callable<T> wrapTask(Callable<T> callable);
 
 protected Runnable wrapTask(Runnable command) {
 final Callable<Object> wrapped = wrapTask(Executors.callable(command, null));
 return new Runnable() {
 @Override
 public void run() {
 try {
 wrapped.call();
 } catch (Exception e) {
 }
 }
 };
 }
 
 @Override
 public final void execute(Runnable command) {
 delegate.execute(wrapTask(command));
 }
 
 @Override
 public final <T> Future<T> submit(Callable<T> task) {
 return delegate.submit(wrapTask(checkNotNull(task)));
 }
 
 @Override
 public final <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks)
 throws InterruptedException {
 return delegate.invokeAll(wrapTasks(tasks));
 }
 }
 Guava
46. public class IdlingResourceExecutorService extends GuavaWrappingExecutorService {
 
 private final CountingIdlingResource mIdlingResource;
 
 public IdlingResourceExecutorService(ExecutorService delegate,
 CountingIdlingResource idlingResource) {
 super(delegate);
 mIdlingResource = idlingResource;
 }
 
 @Override
 protected <T> Callable<T> wrapTask(Callable<T> callable) {
 return new WrappedCallable<>(callable);
 }
 
 private final class WrappedCallable<T> implements Callable<T> {
 private final Callable<T> delegate;
 
 
 public WrappedCallable(Callable<T> delegate) {
 this.delegate = delegate;
 }
 
 @Override
 public T call() throws Exception {
 mIdlingResource.increment();
 T call;
 try {
 call = delegate.call();
 } finally {
 mIdlingResource.decrement();
 }
 return call;
 }
 }
 }
47. public class IdlingResourceExecutorService extends GuavaWrappingExecutorService {
 
 private final CountingIdlingResource mIdlingResource;
 
 public IdlingResourceExecutorService(ExecutorService delegate,
 CountingIdlingResource idlingResource) {
 super(delegate);
 mIdlingResource = idlingResource;
 }
 
 @Override
 protected <T> Callable<T> wrapTask(Callable<T> callable) {
 return new WrappedCallable<>(callable);
 }
 
 private final class WrappedCallable<T> implements Callable<T> {
 private final Callable<T> delegate;
 
 
 public WrappedCallable(Callable<T> delegate) {
 this.delegate = delegate;
 }
 
 @Override
 public T call() throws Exception {
 mIdlingResource.increment();
 T call;
 try {
 call = delegate.call();
 } finally {
 mIdlingResource.decrement();
 }
 return call;
 }
 }
 }
48. public class IdlingResourceExecutorService extends GuavaWrappingExecutorService {
 
 private final CountingIdlingResource mIdlingResource;
 
 public IdlingResourceExecutorService(ExecutorService delegate,
 CountingIdlingResource idlingResource) {
 super(delegate);
 mIdlingResource = idlingResource;
 }
 
 @Override
 protected <T> Callable<T> wrapTask(Callable<T> callable) {
 return new WrappedCallable<>(callable);
 }
 
 private final class WrappedCallable<T> implements Callable<T> {
 private final Callable<T> delegate;
 
 
 public WrappedCallable(Callable<T> delegate) {
 this.delegate = delegate;
 }
 
 @Override
 public T call() throws Exception {
 mIdlingResource.increment();
 T call;
 try {
 call = delegate.call();
 } finally {
 mIdlingResource.decrement();
 }
 return call;
 }
 }
 }
49. RxJava
50. RxJava public class RxSchedulerHook extends RxJavaSchedulersHook {
 
 private Scheduler customScheduler;
 private CountingIdlingResource idling;
 private static RxSchedulerHook sInstance;
 public RxSchedulerHook(CountingIdlingResource countingIdlingResource) {
 FailedTest watcher = new FailedTest();
 idling = countingIdlingResource;
 customScheduler = new Scheduler() {
 @Override public Scheduler.Worker createWorker() {
 return new CustomWorker();
 }
 };
 }

51. @Override public Subscription schedule(final Action0 action, final long delayTime, TimeUnit unit) {
 return super.schedule(new Action0() {
 @Override public void call() {
 
 action.call();
 }
 }, delayTime, unit);
 }
 
 @Override public Subscription schedule(final Action0 action) {
 return super.schedule(new Action0() {
 @Override public void call() {
 idling.increment();
 try {
 action.call();
 } finally {
 idling.decrement();
 }
 }
 });
 } RxJava
52. RxJava RxJavaPlugins.getInstance().registerSchedulersHook(RxSchedulerHook.get());

53. OkHttp3IdlingResource
54. @Before
 public void setUp() {
 OkHttpClient client = new OkHttpClient();
 IdlingResource resource = OkHttp3IdlingResource.create("OkHttp", client);
 Espresso.registerIdlingResources(resource);
 } OkHttp3IdlingResource
55. @Before
 public void setUp() {
 OkHttpClient client = new OkHttpClient();
 IdlingResource resource = OkHttp3IdlingResource.create("OkHttp", client);
 Espresso.registerIdlingResources(resource);
 } private OkHttp3IdlingResource(String name, Dispatcher dispatcher) {
 this.name = name;
 this.dispatcher = dispatcher;
 dispatcher.setIdleCallback(new Runnable() {
 public void run() {
 ResourceCallback callback = OkHttp3IdlingResource.this.callback;
 if(callback != null) {
 callback.onTransitionToIdle();
 }
 
 }
 });
 }
 
 public boolean isIdleNow() {
 return this.dispatcher.runningCallsCount() == 0;
 }
 
 OkHttp3IdlingResource
56. Rules
57. @Rule public ActivityTestRule<Main> activityTestRule = new ActivityTestRule<>(Main)
 ActivityTestRule
58. @Rule public ActivityTestRule<Main> activityTestRule = new ActivityTestRule<>(Main){
 @Override
 protected void beforeActivityLaunched() {
 super.beforeActivityLaunched();
 }
 
 @Override
 protected void afterActivityLaunched() {
 super.afterActivityLaunched();
 }
 
 @Override
 protected void afterActivityFinished() {
 super.afterActivityFinished();
 }
 }; ActivityTestRule
59. @Rule public IntentTestRule<Main> activityTestRule = new IntentTestRule<>(Main) IntentTestRule
60. @Rule public IntentTestRule<Main> activityTestRule = new IntentTestRule<>(Main) public IntentsTestRule(Class<T> activityClass) {
 super(activityClass);
 }
 public IntentsTestRule(Class<T> activityClass, boolean initialTouchMode) {
 super(activityClass, initialTouchMode);
 }
 public IntentsTestRule(Class<T> activityClass, boolean initialTouchMode,
 boolean launchActivity) {
 super(activityClass, initialTouchMode, launchActivity);
 }
 @Override
 protected void afterActivityLaunched() {
 Intents.init();
 super.afterActivityLaunched();
 }
 @Override
 protected void afterActivityFinished() {
 super.afterActivityFinished();
 Intents.release();
 }
 IntentTestRule
61. public class CustomActivityTestRule<T extends Activity> extends ActivityTestRule<T> CustomActivityTestRule
62. public class CustomActivityTestRule<T extends Activity> extends ActivityTestRule<T> {
 
 public CustomActivityTestRule(Class<T> activityClass) {
 super(activityClass);
 }
 
 public CustomActivityTestRule(Class<T> activityClass, boolean initialTouchMode) {
 super(activityClass, initialTouchMode);
 }
 
 
 @Override
 protected void afterActivityLaunched() {
 Intents.init();
 super.afterActivityLaunched();
 }
 
 @Override
 protected void afterActivityFinished() {
 super.afterActivityFinished();
 Intents.release();
 }
 CustomActivityTestRule
63. public interface TestRule {
 Statement apply(Statement base, Description description);
 } TestRule
64. public interface TestRule {
 Statement apply(Statement base, Description description);
 } public class UiThreadTestRule implements TestRule {
 private static final String LOG_TAG = "UiThreadTestRule";
 
 @Override
 public Statement apply(final Statement base, Description description) {
 return new UiThreadStatement(base, shouldRunOnUiThread(description));
 }
 
 protected boolean shouldRunOnUiThread(Description description) {
 return description.getAnnotation(UiThreadTest.class) != null;
 } } TestRule
65. private class ActivityStatement extends Statement {
 
 private final Statement mBase;
 
 public ActivityStatement(Statement base) {
 mBase = base;
 }
 
 @Override
 public void evaluate() throws Throwable {
 try {
 if (mLaunchActivity) {
 mActivity = launchActivity(getActivityIntent());
 }
 mBase.evaluate();
 } finally {
 finishActivity();
 }
 }
 } TestRule
66. public class TraceTestRule implements TestRule {
 
 private Trace trace;
 
 public TraceTestRule(Context context) {
 this.trace = new Trace(context);
 }
 
 @Override
 public Statement apply(final Statement base, Description description) {
 return new Statement() {
 @Override
 public void evaluate() throws Throwable {
 try {
 trace.start();
 base.evaluate();
 } finally {
 trace.end();
 }
 }
 };
 }
 } @Rule
 public TraceTestRule traceTestRule = new TraceTestRule(getTargetContext());
 TestRule
67. public abstract class TestWatcher implements TestRule TestWatcher
68. return new Statement() {
 @Override
 public void evaluate() throws Throwable {
 List<Throwable> errors = new ArrayList<Throwable>();
 
 startingQuietly(description, errors);
 try {
 base.evaluate();
 succeededQuietly(description, errors);
 } catch (@SuppressWarnings("deprecation") AssumptionViolatedException e) {
 errors.add(e);
 skippedQuietly(e, description, errors);
 } catch (Throwable e) {
 errors.add(e);
 failedQuietly(e, description, errors);
 } finally {
 finishedQuietly(description, errors);
 }
 
 MultipleFailureException.assertEmpty(errors);
 }
 }; public abstract class TestWatcher implements TestRule TestWatcher
69. public class FailedTest extends TestWatcher {
 
 TestWatcher
70. public class FailedTest extends TestWatcher {
 
 public FailedTest() {
 uiAutomation = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation());
 }
 
 
 @Override
 protected void failed(Throwable e, Description description) {
 super.failed(e, description);
 String fileNameBase = getFileNameWithoutExtension(description);
 saveScreenshot(fileNameBase);
 saveInfo(fileNameBase);
 }
 
 TestWatcher
71. public class FailedTest extends TestWatcher {
 
 public FailedTest() {
 uiAutomation = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation());
 }
 
 
 @Override
 protected void failed(Throwable e, Description description) {
 super.failed(e, description);
 String fileNameBase = getFileNameWithoutExtension(description);
 saveScreenshot(fileNameBase);
 saveInfo(fileNameBase);
 }
 
 @Override
 protected void succeeded(Description description) {
 super.succeeded(description);
 }
 
 @Override
 protected void skipped(AssumptionViolatedException e, Description description) {
 super.skipped(e, description);
 }
 TestWatcher
72. public class RuleChain implements TestRule{
 RuleChain
73. public class RuleChain implements TestRule
 public RuleChain ruleChain = RuleChain.outerRule(new LoggingRule("outer rule")
 .around(new LoggingRule("middle around rule")
 .around(new LoggingRule("inner around rule”)))); RuleChain
74. public class RuleChain implements TestRule{
 public RuleChain ruleChain = RuleChain.outerRule(new LoggingRule("outer rule")
 .around(new LoggingRule("middle around rule")
 .around(new LoggingRule("inner around rule”)))); Starting outer rule Starting middle rule Starting inner rule Finishing inner rule Finishing middle rule Finishing outer rule RuleChain
75. public CustomActivityTestRule<Main> activityRule = new CustomActivityTestRule<>(Main.class);
 

76. public CustomActivityTestRule<Main> activityRule = new CustomActivityTestRule<>(Main.class);
 
 
 @Rule
 public RuleChain chain = RuleChain.outerRule(new FailedTest() .around(activityRule);

77. public CustomActivityTestRule<Main> activityRule = new CustomActivityTestRule<>(Main.class);
 
 
 @Rule
 public RuleChain chain = RuleChain.outerRule(new FailedTest() .around(activityRule);
 
 @Rule
 public RuleChain chain = RuleChain.outerRule(new FailedTest()) .around(new TraceTestRule()) .around(activityRule);

78. public class Device {
 public Device() {
 }
 
 private static boolean deviceEquals(String device) {
 return Build.DEVICE.equals(device);
 }
 
 public static class Genymotion implements Condition {
 public Genymotion() {
 }
 
 public boolean isSatisfied() {
 return Device.deviceEquals("vbox86p");
 }
 }
 }
 AndroidTestRules
79. Permissions
81. @Before
 public void grantPhonePermission() {
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 getInstrumentation().getUiAutomation().executeShellCommand(
 "pm grant " + getTargetContext().getPackageName()
 + " android.permission.CALL_PHONE");
 }
 }
82. afterEvaluate {
 tasks.each { task ->
 if (task.name.startsWith('connectedAndroidTest')) {
 task.dependsOn grantAnimationPermissions
 }
 }
 }

83. afterEvaluate {
 tasks.each { task ->
 if (task.name.startsWith('connectedAndroidTest')) {
 task.dependsOn grantAnimationPermissions
 }
 }
 }
 devices=$($adb devices | grep -v 'List of devices' | cut -f1 | grep '.')
 
 for device in $devices; do
 echo "Setting permissions to device" $device "for package" $package
 $adb -s $device shell pm grant $package android.permission.xxxx done
85. ATSL Spoon Fork TestButler Burst RxPresso AndroidTestRules
86. Anton Batishchev Anton Malinskiy Chiu-ki Chan Erik Hellman Friedger Müffke Iordanis Giannakakis Jake Wharton Jose Alcérreca Michael Bailey Paul Blundell Stephan Linzner Valera Zakharov Xavi Rigau ATSL Spoon Fork TestButler Burst RxPresso AndroidTestRules
87. Thanks
88. +IñakiVillar @inyaki_mwc Thanks