State of Android Testing Support Library

GDG DevFest Dublin 07/11/2015

1. State of ATSL DevFest Dublin +IñakiVillar
8. Espresso AndroidJunitRunner UIAutomator
9. Espresso AndroidJunitRunner UIAutomator 0.4 2.2 2.1.12
10. Android Instrumentation Instrumentation
11. Android Instrumentation Instrumentation InstrumentationTestRunner ActivityInstrumentationTestCase2 ServiceTestCase
12. Android Instrumentation Instrumentation AndroidJunitRunner AndroidJunit4
13. Android Instrumentation Instrumentation AndroidJunitRunner AndroidJunit4 androidTestCompile 'com.android.support.test:runner:0.4'

14. Android Instrumentation Instrumentation AndroidJunitRunner AndroidJunit4 defaultConfig {
 applicationId "com.example.devfest"
 minSdkVersion 10
 targetSdkVersion 23
 versionCode 1
 versionName "1.0"
 testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 } androidTestCompile 'com.android.support.test:runner:0.4'

15. Android Instrumentation Instrumentation AndroidJunitRunner AndroidJunit4 defaultConfig {
 applicationId "com.example.devfest"
 minSdkVersion 10
 targetSdkVersion 23
 versionCode 1
 versionName "1.0"
 testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 } androidTestCompile 'com.android.support.test:runner:0.4'

16. Android Instrumentation Instrumentation AndroidJunitRunner AndroidJunit4
17. AndroidJunitRunner JUnit Support Test Timeouts Sharding of tests Life-cycle monitoring Filters
18. Rules
19. Rules @Rule
 ActivityTestRule<MainActivity> testRule
20. Rules @Rule
 ActivityTestRule<MainActivity> testRule afterActivityLaunched() afterActivityFinished() beforeActivityLaunched() getActivityIntent()
21. Rules ActivityTestRule
22. Rules ActivityTestRule UIThreadRule
23. Rules ActivityTestRule UIThreadRule TestRule
24. Rules ActivityTestRule Statement UIThreadRule TestRule UIThreadStatement ActivityStatement
25. Rules public class MainActivityTest {
 
 @Rule
 public ActivityTestRule<MainActivity> activityTestRule = new ActivityTestRule<>(MainActivity.class);
 
 @Test
 public void findViewPerformActionDone() { }
 
 }
26. Rules public class MainActivityTest {
 
 @Rule
 public ActivityTestRule<MainActivity> activityTestRule = new ActivityTestRule<>(MainActivity.class);
 
 @Test
 public void findViewPerformActionDone() { }
 
 } @Test
 public void testWithBoundService() {
 IBinder binder = serviceRule.bindService(
 new Intent(InstrumentationRegistry.getTargetContext(), MyService.class));
 MyService service = ((MyService.LocalBinder) binder).getService();
 assertTrue("True wasn't returned", service.doSomethingToReturnTrue());
 }
 @Rule
 public final ServiceTestRule serviceRule = new ServiceTestRule();
 
 

27. Filters
28. Filters @SdkSuppress(minSdkVersion = 21)
 public void findSomePropertyDevice(){
 }

29. Filters @RequiresDevice
 public void findRequiredDeviceToTest(){
 }
 @SdkSuppress(minSdkVersion = 21)
 public void findSomePropertyDevice(){
 }

30. Filters @RequiresDevice
 public void findRequiredDeviceToTest(){
 }
 @FlakyTest
 public void findSomeFlakyTest(){
 
 } @SdkSuppress(minSdkVersion = 21)
 public void findSomePropertyDevice(){
 }

32. ViewMatchers ViewActions ViewAssertions Espresso onView perform check
33. ViewMatchers ViewActions ViewAssertions Espresso onView perform check
34. ViewMatchers ViewActions ViewAssertions Espresso onView perform check onView(withId(R.id.button_take_photo))
 .perform(click())
 .check(matches(isDisplayed()));

35. ViewMatchers Espresso withId withHint withSpinnerText
36. ViewMatchers Espresso public static Matcher<View> withId(final int id) {
 return new TypeSafeMatcher<View>() {
 Resources resources = null;
 @Override
 public void describeTo(Description description) {
 String idDescription = Integer.toString(id);
 if (resources != null) {
 try {
 idDescription = resources.getResourceName(id);
 } catch (Resources.NotFoundException e) {
 // No big deal, will just use the int value.
 idDescription = String.format("%s (resource name not found)", id);
 }
 }
 description.appendText("with id: " + idDescription);
 }
 
 @Override
 public boolean matchesSafely(View view) {
 resources = view.getResources();
 return id == view.getId();
 }
 };
 }

37. ViewMatchers Espresso public static Matcher<View> withId(final int id) {
 return new TypeSafeMatcher<View>() {
 Resources resources = null;
 @Override
 public void describeTo(Description description) {
 String idDescription = Integer.toString(id);
 if (resources != null) {
 try {
 idDescription = resources.getResourceName(id);
 } catch (Resources.NotFoundException e) {
 // No big deal, will just use the int value.
 idDescription = String.format("%s (resource name not found)", id);
 }
 }
 description.appendText("with id: " + idDescription);
 }
 
 @Override
 public boolean matchesSafely(View view) {
 resources = view.getResources();
 return id == view.getId();
 }
 };
 }

38. ViewMatchers Espresso public static Matcher<View> withId(final int id) {
 return new TypeSafeMatcher<View>() {
 Resources resources = null;
 @Override
 public void describeTo(Description description) {
 String idDescription = Integer.toString(id);
 if (resources != null) {
 try {
 idDescription = resources.getResourceName(id);
 } catch (Resources.NotFoundException e) {
 // No big deal, will just use the int value.
 idDescription = String.format("%s (resource name not found)", id);
 }
 }
 description.appendText("with id: " + idDescription);
 }
 
 @Override
 public boolean matchesSafely(View view) {
 resources = view.getResources();
 return id == view.getId();
 }
 };
 }

39. ViewActions Espresso
40. ViewActions Espresso click() closeSoftKeyboard() doubleClick() clearText()
41. ViewActions Espresso click() closeSoftKeyboard() doubleClick() clearText() NavigationViewAction https://goo.gl/3k1zjq
43. Espresso https://plus.google.com/+OleksandrKucherenko
44. Espresso androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.1'
45. Espresso androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.1' androidTestCompile 'com.android.support.test.espresso:espresso-contrib:2.2.1' androidTestCompile 'com.android.support.test.espresso:espresso-idling-resource:2.2.1' androidTestCompile 'com.android.support.test.espresso:espresso-intents:2.2.1' androidTestCompile 'com.android.support.test.espresso:espresso-web:2.2.1'
46. Espresso androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.1' androidTestCompile 'com.android.support.test.espresso:espresso-contrib:2.2.1' androidTestCompile 'com.android.support.test.espresso:espresso-idling-resource:2.2.1' androidTestCompile 'com.android.support.test.espresso:espresso-intents:2.2.1' androidTestCompile 'com.android.support.test.espresso:espresso-web:2.2.1' ↳ synchronization with background jobs ↳ DatePicker, RecyclerView, Drawer actions,CountingIdlingResource ↳ intent rules ↳ WebView support
47. Espresso Intents
48. Espresso Intents
49. Espresso Intents
50. Espresso Intents Intent Validation
51. Espresso Intents Intent Validation intended Verify
52. Espresso Intents Intent Validation intended Verify Intent Stubbing
53. Espresso Intents Intent Validation intended Verify Intent Stubbing intending When
54. Espresso Intents IntentsTestRule<T extends Activity> extends ActivityTestRule<T>
55. Espresso Intents IntentsTestRule<T extends Activity> extends ActivityTestRule<T> @Override
 protected void afterActivityLaunched() {
 Intents.init();
 super.afterActivityLaunched();
 }
 
 @Override
 protected void afterActivityFinished() {
 super.afterActivityFinished();
 Intents.release();
 }
56. Espresso Intents Intended @Test
 public void typeNumber_ValidInput_InitiatesCall() {
 // Types a phone number into the dialer edit text field and presses the call button.
 onView(withId(R.id.edit_text_caller_number))
 .perform(typeText(VALID_PHONE_NUMBER), closeSoftKeyboard());
 onView(withId(R.id.button_call_number)).perform(click());
 
 // Verify that an intent to the dialer was sent with the correct action, phone
 // number and package. Think of Intents intended API as the equivalent to Mockito's verify.
 intended(allOf(
 hasAction(Intent.ACTION_CALL),
 hasData(INTENT_DATA_PHONE_NUMBER),
 toPackage(PACKAGE_ANDROID_DIALER)));
 }
57. Espresso Intents Intended @Test
 public void typeNumber_ValidInput_InitiatesCall() {
 // Types a phone number into the dialer edit text field and presses the call button.
 onView(withId(R.id.edit_text_caller_number))
 .perform(typeText(VALID_PHONE_NUMBER), closeSoftKeyboard());
 onView(withId(R.id.button_call_number)).perform(click());
 
 // Verify that an intent to the dialer was sent with the correct action, phone
 // number and package. Think of Intents intended API as the equivalent to Mockito's verify.
 intended(allOf(
 hasAction(Intent.ACTION_CALL),
 hasData(INTENT_DATA_PHONE_NUMBER),
 toPackage(PACKAGE_ANDROID_DIALER)));
 }
58. Espresso Intents Intended @Test
 public void typeNumber_ValidInput_InitiatesCall() {
 // Types a phone number into the dialer edit text field and presses the call button.
 onView(withId(R.id.edit_text_caller_number))
 .perform(typeText(VALID_PHONE_NUMBER), closeSoftKeyboard());
 onView(withId(R.id.button_call_number)).perform(click());
 
 // Verify that an intent to the dialer was sent with the correct action, phone
 // number and package. Think of Intents intended API as the equivalent to Mockito's verify.
 intended(allOf(
 hasAction(Intent.ACTION_CALL),
 hasData(INTENT_DATA_PHONE_NUMBER),
 toPackage(PACKAGE_ANDROID_DIALER)));
 }
59. Espresso Intents Intending @Test
 public void pickContactButton_click_SelectsPhoneNumber() {
 // Stub all Intents to ContactsActivity to return VALID_PHONE_NUMBER. Note that the Activity
 // is never launched and result is stubbed.
 intending(hasComponent(hasShortClassName(".ContactsActivity")))
 .respondWith(new ActivityResult(Activity.RESULT_OK,
 ContactsActivity.createResultData(VALID_PHONE_NUMBER)));
 
 // Click the pick contact button.
 onView(withId(R.id.button_pick_contact)).perform(click());
 
 // Check that the number is displayed in the UI.
 onView(withId(R.id.edit_text_caller_number))
 .check(matches(withText(VALID_PHONE_NUMBER)));
 }
60. Espresso Intents Intending @Test
 public void pickContactButton_click_SelectsPhoneNumber() {
 // Stub all Intents to ContactsActivity to return VALID_PHONE_NUMBER. Note that the Activity
 // is never launched and result is stubbed.
 intending(hasComponent(hasShortClassName(".ContactsActivity")))
 .respondWith(new ActivityResult(Activity.RESULT_OK,
 ContactsActivity.createResultData(VALID_PHONE_NUMBER)));
 
 // Click the pick contact button.
 onView(withId(R.id.button_pick_contact)).perform(click());
 
 // Check that the number is displayed in the UI.
 onView(withId(R.id.edit_text_caller_number))
 .check(matches(withText(VALID_PHONE_NUMBER)));
 }
61. Espresso Intents Intending @Test
 public void pickContactButton_click_SelectsPhoneNumber() {
 // Stub all Intents to ContactsActivity to return VALID_PHONE_NUMBER. Note that the Activity
 // is never launched and result is stubbed.
 intending(hasComponent(hasShortClassName(".ContactsActivity")))
 .respondWith(new ActivityResult(Activity.RESULT_OK,
 ContactsActivity.createResultData(VALID_PHONE_NUMBER)));
 
 // Click the pick contact button.
 onView(withId(R.id.button_pick_contact)).perform(click());
 
 // Check that the number is displayed in the UI.
 onView(withId(R.id.edit_text_caller_number))
 .check(matches(withText(VALID_PHONE_NUMBER)));
 }
62. https://google.github.io/android-testing-support-library/ Resources
63. Resources AndroidTestingBlueprint https://github.com/googlesamples/android-testing-templates/tree/master/AndroidTestingBlueprint
64. Resources http://developer.android.com/intl/es/tools/testing-support-library/index.html
65. Resources http://chiuki.github.io/advanced-android-espresso Advanced Android Espresso - Chiu-Ki Chan https://www.youtube.com/watch?v=hfoAC9gdC74 https://speakerdeck.com/guardiola31337/elegant-unit-testing-droidcon-spain-2015 Elegant?? Unit Testing - Pablo Guardiola Android unit and instrumentation tests- Lars Vogel http://www.vogella.com/tutorials/AndroidTesting/article.html http://developer.android.com/intl/es/tools/testing-support-library/index.html
66. Happy Testing Thanks Jose, Stephan, Nick and Carlos @inyaki_mwc +IñakiVillar https://developers.google.com/experts/