Espresso Barista
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The document provides an extensive overview of Android UI testing techniques, focusing on various testing types, tools, and methodologies such as Espresso. It outlines practical examples of how to perform assertions and actions within the UI using different matchers and view actions. Additionally, it includes references to demo projects and a cheat sheet for quick reference.
![HIERARCHY
withParent(Matcher)
withChild(Matcher)
hasDescendant(Matcher)
isDescendantOfA(Matcher)
hasSibling(Matcher)
isRoot()
UI PROPERTIES
isDisplayed()
isCompletelyDisplayed()
isEnabled()
hasFocus()
isClickable()
isChecked()
isNotChecked()
withEffectiveVisibility(…)
isSelected()
ROOT MATCHERS
isFocusable()
isTouchable()
isDialog()
withDecorView(…)
isPlatformPopup()
COMMON HAMCREST
MATCHERS
allOf(Matchers)
anyOf(Matchers)
is(...)
not(...)
endsWith(String)
startsWith(String)
SEE ALSO
Preference matchers
Cursor matchers
USER PROPERTIES
withId(…)
withText(…)
withTagKey(…)
withTagValue(…)
hasContentDescription(…)
withContentDescription(…)
withHint(…)
withSpinnerText(…)
hasLinks()
hasEllipsizedText()
hasMultilineText()
INPUT
supportsInputMethods(…)
hasImeAction(…)
CLASS
isAssignableFrom(…)
withClassName(…)
Matchers
CLICK/PRESS
click()
doubleClick()
longClick()
pressBack()
pressImeActionButton()
pressKey([int/EspressoKey])
pressMenuKey()
closeSoftKeyboard()
openLink(…)
GESTURES
scrollTo()
swipeLeft()
swipeRight()
swipeUp()
swipeDown()
TEXT
clearText()
typeText(String)
typeTextIntoFocusedView(String)
replaceText(String)
POSITION ASSERTIONS
isLeftOf(Matcher)
isRightOf(Matcher)
isLeftAlignedWith(Matcher)
isRightAlignedWith(Matcher)
isAbove(Matcher)
isBelow(Matcher)
isBottomAlignedWith(Matcher)
isTopAlignedWith(Matcher)
LAYOUT ASSERTIONS
noEllipsizedText(Matcher)
noMultilineButtons()
noOverlaps([Matcher])
View Actions
matches(Matcher)
doesNotExist()
selectedDescendantsMatch(…)
View Assertions
onView(Matcher)
.perform(ViewAction)
.check(ViewAssertion)
CHEAT SHEET
2.0](https://image.slidesharecdn.com/espresso-barista-150319162253-conversion-gate01/85/Espresso-Barista-19-320.jpg)
Espresso Barista
- 1. ANDROID UI TESTING Shauvik Roy Choudhary PhD candidate, GeorgiaTech [email protected] Team: Mattia Fazzini, Eduardo Noronha Advisor:Alessandro (Alex) Orso
- 4. PROBLEM Image credits: Google, GTAC talk
- 10. TESTS
- 11. ESPRESSO: HOW IT WORKS UIThread TestThread Work in Queue Test Case Motion down Motion up Espresso action assert Blocked
- 12. 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)
- 13. 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(); }
- 16. onView(Matcher<View>) ● withId ● withText ● withContentDescription ● isDisplayed ● hasFocus ● hasSibling ● ... ● mySpecialMatcher
- 17. perform(ViewAction) ● click ● longClick ● doubleClick ● typeText ● scrollTo ● ... ● myCustomAction
- 18. check(ViewAssertion) ● matches(...) ● doesNotExist ● myCustomAssertion
- 19. HIERARCHY withParent(Matcher) withChild(Matcher) hasDescendant(Matcher) isDescendantOfA(Matcher) hasSibling(Matcher) isRoot() UI PROPERTIES isDisplayed() isCompletelyDisplayed() isEnabled() hasFocus() isClickable() isChecked() isNotChecked() withEffectiveVisibility(…) isSelected() ROOT MATCHERS isFocusable() isTouchable() isDialog() withDecorView(…) isPlatformPopup() COMMON HAMCREST MATCHERS allOf(Matchers) anyOf(Matchers) is(...) not(...) endsWith(String) startsWith(String) SEE ALSO Preference matchers Cursor matchers USER PROPERTIES withId(…) withText(…) withTagKey(…) withTagValue(…) hasContentDescription(…) withContentDescription(…) withHint(…) withSpinnerText(…) hasLinks() hasEllipsizedText() hasMultilineText() INPUT supportsInputMethods(…) hasImeAction(…) CLASS isAssignableFrom(…) withClassName(…) Matchers CLICK/PRESS click() doubleClick() longClick() pressBack() pressImeActionButton() pressKey([int/EspressoKey]) pressMenuKey() closeSoftKeyboard() openLink(…) GESTURES scrollTo() swipeLeft() swipeRight() swipeUp() swipeDown() TEXT clearText() typeText(String) typeTextIntoFocusedView(String) replaceText(String) POSITION ASSERTIONS isLeftOf(Matcher) isRightOf(Matcher) isLeftAlignedWith(Matcher) isRightAlignedWith(Matcher) isAbove(Matcher) isBelow(Matcher) isBottomAlignedWith(Matcher) isTopAlignedWith(Matcher) LAYOUT ASSERTIONS noEllipsizedText(Matcher) noMultilineButtons() noOverlaps([Matcher]) View Actions matches(Matcher) doesNotExist() selectedDescendantsMatch(…) View Assertions onView(Matcher) .perform(ViewAction) .check(ViewAssertion) CHEAT SHEET 2.0
- 23. Tests
- 24. TEST CLOUD