Espresso Barista
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ANDROID UI TESTING Shauvik Roy Choudhary PhD candidate, Georgia Tech [email protected] Team: Mattia Fazzini, Eduardo Noronha Advisor: Alessandro (Alex) Orso
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Transcript of Espresso Barista
ANDROID UI TESTINGShauvik Roy Choudhary
PhD candidate, Georgia Tech [email protected]
Team: Mattia Fazzini, Eduardo Noronha Advisor : Alessandro (Alex) Orso
TESTS
Unit Tests
Integration Tests
System Tests Functional Tests
Non-Functional Tests
ANDROID TESTING TOOLS
Image credits: BitBar
PROBLEM
Image credits: Google, GTAC talk
doSomething()Thread.sleep(1000) checkSomething()
doSomething()do{ Thread.sleep(1000) }while(!loaded) checkSomething()
FLAKINESSUI Thread
Test Thread
Work in Queue
click
Motion down
Motion up
assert
FLAKINESSUI Thread
Test Thread
Work in Queue
click
Motion down
Motion up
assertsleep
FLAKINESSUI Thread
Test Thread
Work in Queue
click
Motion down
Motion up
assertsleep
TESTS
ESPRESSO: HOW IT WORKSUI Thread
Test Thread
Work in Queue
Test Case
Motion down
Motion upEspresso
action assert
Blocked
IDLING RESOURCES
public interface IdlingResource {
public String getName();
public boolean isIdleNow();
public void registerIdleTransitionCallback(ResourceCallback cb);
public interface ResourceCallback {
public void onTransitionToIdle();
}
}
Espresso.registerIdlingResource(MyIdlingResource)
CHECKING INTENTS
public interface IntentSpy {
public List<ResolvedIntent> getLatestRecordedIntents();
public void record(Intent intent);
public ActivityResult getActivityResultForIntent(Intent intent);
public boolean allowIntentToProceed(Intent intent);
public void reset();
}
ESPRESSO METHODS
onView(Matcher) .perform(ViewAction) .check(ViewAssertion)
EXAMPLES
onView(withId(R.id.greeting)) .perform(click());
onView(withText("Hello Steve!")) .check(matches(isDisplayed()));
Find
Do Stuff
Check
onView(Matcher<View>)
● withId ● withText ● withContentDescription ● isDisplayed ● hasFocus ● hasSibling ● ... ● mySpecialMatcher
perform(ViewAction)
● click ● longClick ● doubleClick ● typeText ● scrollTo ● ... ● myCustomAction
check(ViewAssertion)
● matches(...) ● doesNotExist ● myCustomAssertion
HIERARCHYwithParent(Matcher)withChild(Matcher)hasDescendant(Matcher)isDescendantOfA(Matcher)hasSibling(Matcher)isRoot()
UI PROPERTIESisDisplayed()isCompletelyDisplayed()isEnabled()hasFocus()isClickable()isChecked()isNotChecked()withEffectiveVisibility(…)isSelected()
ROOT MATCHERSisFocusable()isTouchable()isDialog()withDecorView(…)isPlatformPopup()
COMMON HAMCRESTMATCHERSallOf(Matchers)anyOf(Matchers)is(...)not(...)endsWith(String)startsWith(String)
SEE ALSOPreference matchersCursor matchers
USER PROPERTIESwithId(…)withText(…)withTagKey(…)withTagValue(…)hasContentDescription(…)withContentDescription(…)withHint(…)withSpinnerText(…)hasLinks()hasEllipsizedText()hasMultilineText()
INPUTsupportsInputMethods(…)hasImeAction(…)
CLASSisAssignableFrom(…)withClassName(…)
MatchersCLICK/PRESSclick()doubleClick()longClick()pressBack()pressImeActionButton()pressKey([int/EspressoKey])pressMenuKey()closeSoftKeyboard()openLink(…)
GESTURESscrollTo()swipeLeft()swipeRight()swipeUp()swipeDown()
TEXTclearText()typeText(String)typeTextIntoFocusedView(String)replaceText(String)
POSITION ASSERTIONSisLeftOf(Matcher)isRightOf(Matcher)isLeftAlignedWith(Matcher)isRightAlignedWith(Matcher)isAbove(Matcher)isBelow(Matcher)isBottomAlignedWith(Matcher)isTopAlignedWith(Matcher)
LAYOUT ASSERTIONSnoEllipsizedText(Matcher)noMultilineButtons()noOverlaps([Matcher])
View Actions
matches(Matcher)doesNotExist()selectedDescendantsMatch(…)
View Assertions
onView(Matcher) .perform(ViewAction) .check(ViewAssertion)
CHEAT SHEET
2.0
https://github.com/ shauvik/espresso-examples
DEMO 1
https://github.com/googlesamples/android-testing
DEMO 2
BARISTAEspresso Test Generation
Tests
TEST CLOUD
