Espresso IO Extended Bangkok

25/06/2016

Transcript

2. +IñakiVillar @inyaki_mwc
3. +IñakiVillar @inyaki_mwc
4. +IñakiVillar @inyaki_mwc
5. +IñakiVillar @inyaki_mwc
6. https://www.youtube.com/watch?v=isihPOY2vS4
7. Photo by Adtile http://www.adtile.me/
9. ไม่เป็นไร
11. Espresso AndroidJunitRunner UIAutomator
12. Android Instrumentation Instrumentation
13. Android Instrumentation Instrumentation AndroidJunitRunner
14. Android Instrumentation Instrumentation AndroidJunitRunner 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
16. public class MainActivityTest {
 
 @Rule
 public ActivityTestRule<MainActivity> activityTestRule = new ActivityTestRule<>(MainActivity.class);
 
 @Test
 public void findViewPerformActionDone() { }
 
 } @Rule
 public final ServiceTestRule serviceRule = new ServiceTestRule();
 
 
 Rules
18. Espresso
19. onView(withId(R.id.button_take_photo))
 .perform(click())
 .check(matches(isDisplayed()));
 Espresso
20. ViewMatchers ViewActions ViewAssertions onView perform check onView(withId(R.id.button_take_photo))
 .perform(click())
 .check(matches(isDisplayed()));
 Espresso
22. 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();
 }
 };
 }

23. 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();
 }
 };
 }

24. androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.1' Espresso
25. 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' Espresso
26. 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 Espresso
27. Espresso Intents
28. Intent Validation intended Verify Intent Stubbing intending When Espresso Intents
29. Intended @Test
 public void typeNumber_ValidInput_InitiatesCall() {
 onView(withId(R.id.edit_text_caller_number))
 .perform(typeText(VALID_PHONE_NUMBER), closeSoftKeyboard());
 onView(withId(R.id.button_call_number)).perform(click());
 
 intended(allOf(
 hasAction(Intent.ACTION_CALL),
 hasData(INTENT_DATA_PHONE_NUMBER),
 toPackage(PACKAGE_ANDROID_DIALER)));
 } Espresso Intents
30. Intended @Test
 public void typeNumber_ValidInput_InitiatesCall() {
 onView(withId(R.id.edit_text_caller_number))
 .perform(typeText(VALID_PHONE_NUMBER), closeSoftKeyboard());
 onView(withId(R.id.button_call_number)).perform(click());
 
 intended(allOf(
 hasAction(Intent.ACTION_CALL),
 hasData(INTENT_DATA_PHONE_NUMBER),
 toPackage(PACKAGE_ANDROID_DIALER)));
 } Espresso Intents
31. Intended @Test
 public void typeNumber_ValidInput_InitiatesCall() {
 onView(withId(R.id.edit_text_caller_number))
 .perform(typeText(VALID_PHONE_NUMBER), closeSoftKeyboard());
 onView(withId(R.id.button_call_number)).perform(click());
 
 intended(allOf(
 hasAction(Intent.ACTION_CALL),
 hasData(INTENT_DATA_PHONE_NUMBER),
 toPackage(PACKAGE_ANDROID_DIALER)));
 } Espresso Intents
32. @Test
 public void pickContactButton_click_SelectsPhoneNumber() {
 intending(hasComponent(hasShortClassName(".ContactsActivity")))
 .respondWith(new ActivityResult(Activity.RESULT_OK,
 ContactsActivity.createResultData(VALID_PHONE_NUMBER) 
 onView(withId(R.id.button_pick_contact)).perform(click());
 
 onView(withId(R.id.edit_text_caller_number))
 .check(matches(withText(VALID_PHONE_NUMBER)));
 } Espresso Intents Intending
33. @Test
 public void pickContactButton_click_SelectsPhoneNumber() {
 intending(hasComponent(hasShortClassName(".ContactsActivity")))
 .respondWith(new ActivityResult(Activity.RESULT_OK,
 ContactsActivity.createResultData(VALID_PHONE_NUMBER) 
 onView(withId(R.id.button_pick_contact)).perform(click());
 
 onView(withId(R.id.edit_text_caller_number))
 .check(matches(withText(VALID_PHONE_NUMBER)));
 } Espresso Intents Intending
34. @Test
 public void pickContactButton_click_SelectsPhoneNumber() {
 intending(hasComponent(hasShortClassName(".ContactsActivity")))
 .respondWith(new ActivityResult(Activity.RESULT_OK,
 ContactsActivity.createResultData(VALID_PHONE_NUMBER) 
 onView(withId(R.id.button_pick_contact)).perform(click());
 
 onView(withId(R.id.edit_text_caller_number))
 .check(matches(withText(VALID_PHONE_NUMBER)));
 } Espresso Intents Intending
35. Idling Resources
36. Idling Resources public interface IdlingResource {
 
 public String getName();
 public boolean isIdleNow();
 public void registerIdleTransitionCallback(ResourceCallback callback);
 public interface ResourceCallback {
 public void onTransitionToIdle();
 } }
37. Idling Resources public interface IdlingResource {
 
 public String getName();
 public boolean isIdleNow();
 public void registerIdleTransitionCallback(ResourceCallback callback);
 public interface ResourceCallback {
 public void onTransitionToIdle();
 } } @Override
 public boolean isIdleNow() {
 return videoView == null || videoView.isPlaying();
 }
 

38. CountingIdlingResource public class DecoratedFooServer implements FooServer {
 private final FooServer realFooServer;
 private final CountingIdlingResource fooServerIdlingResource;
 
 public DecoratedFooServer(FooServer realFooServer,
 CountingIdlingResource fooServerIdlingResource) {
 this.realFooServer = checkNotNull(realFooServer);
 this.fooServerIdlingResource = checkNotNull(fooServerIdlingResource);
 }
 
 public Foo newFoo() {
 fooServerIdlingResource.increment();
 try {
 return realFooServer.newFoo();
 } finally {
 fooServerIdlingResource.decrement();
 }
 }
 
 public void updateFoo(Foo foo) {
 fooServerIdlingResource.increment();
 try {
 realFooServer.updateFoo(foo);
 } finally {
 fooServerIdlingResource.decrement();
 }
 }
 }

39. CountingIdlingResource public class DecoratedFooServer implements FooServer {
 private final FooServer realFooServer;
 private final CountingIdlingResource fooServerIdlingResource;
 
 public DecoratedFooServer(FooServer realFooServer,
 CountingIdlingResource fooServerIdlingResource) {
 this.realFooServer = checkNotNull(realFooServer);
 this.fooServerIdlingResource = checkNotNull(fooServerIdlingResource);
 }
 
 public Foo newFoo() {
 fooServerIdlingResource.increment();
 try {
 return realFooServer.newFoo();
 } finally {
 fooServerIdlingResource.decrement();
 }
 }
 
 public void updateFoo(Foo foo) {
 fooServerIdlingResource.increment();
 try {
 realFooServer.updateFoo(foo);
 } finally {
 fooServerIdlingResource.decrement();
 }
 }
 }

40. CountingIdlingResource public class DecoratedFooServer implements FooServer {
 private final FooServer realFooServer;
 private final CountingIdlingResource fooServerIdlingResource;
 
 public DecoratedFooServer(FooServer realFooServer,
 CountingIdlingResource fooServerIdlingResource) {
 this.realFooServer = checkNotNull(realFooServer);
 this.fooServerIdlingResource = checkNotNull(fooServerIdlingResource);
 }
 
 public Foo newFoo() {
 fooServerIdlingResource.increment();
 try {
 return realFooServer.newFoo();
 } finally {
 fooServerIdlingResource.decrement();
 }
 }
 
 public void updateFoo(Foo foo) {
 fooServerIdlingResource.increment();
 try {
 realFooServer.updateFoo(foo);
 } finally {
 fooServerIdlingResource.decrement();
 }
 }
 }

41. CustomError Handler
42. CustomError Handler class NoHierarchyException extends RuntimeException implements EspressoException {
 public NoHierarchyException(NoMatchingViewException e) {
 super(new NoMatchingViewException.Builder().from(e).includeViewHierarchy(false).build());
 }
 
 public NoHierarchyException(AmbiguousViewMatcherException e) {
 super(new AmbiguousViewMatcherException.Builder().from(e).includeViewHierarchy(false).build());
 }
 }
43. UiController 
 Thread.sleep(200); 

44. UiController viewInteraction = new ViewAction() {
 
 @Override public Matcher<View> getConstraints() {
 return null;
 }
 
 @Override public String getDescription() {
 return DESCRIPTION;
 }
 
 @Override public void perform(UiController uiController, View view) {
 uiController.loopMainThreadForAtLeast(500);
 }
 }; 
 Thread.sleep(200); 

45. Espresso Recorder
46. https://google.github.io/android-testing-support-library/ Resources https://github.com/googlesamples/android-testing-templates/tree/master/AndroidTestingBlueprint
47. Resources https://codelabs.developers.google.com/codelabs/android-testing
48. @inyaki_mwc +IñakiVillar https://developers.google.com/experts/ ขอบคุณมาก