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How to use perform method of android.support.test.espresso.ViewInteraction class

Best Appium-espresso-driver code snippet using android.support.test.espresso.ViewInteraction.perform

EspressoDsl.kt

Source:EspressoDsl.kt

...28fun dataInstanceOf(clazz: Class<*>): DataInteraction = Espresso.onData(CoreMatchers.instanceOf(clazz))29/**30 * ViewActions31 */32fun ViewInteraction.click(): ViewInteraction = perform(ViewActions.click())33fun ViewInteraction.type(text: String): ViewInteraction = perform(ViewActions.typeText(text))34fun ViewInteraction.replace(text: String): ViewInteraction = perform(ViewActions.replaceText(text))35fun ViewInteraction.closeKeyboard(): ViewInteraction = perform(ViewActions.closeSoftKeyboard())36/**37 * ViewInteraction extensions38 */39fun ViewInteraction.checkHasChildByText(text: String): ViewInteraction =40        check(ViewAssertions.matches(ViewMatchers.withChild(ViewMatchers.withText(text))))41fun ViewInteraction.checkHasChildByText(id: Int): ViewInteraction =42        check(ViewAssertions.matches(ViewMatchers.withChild(ViewMatchers.withText(id))))43fun ViewInteraction.checkHasChildById(id: Int): ViewInteraction =44        check(ViewAssertions.matches(ViewMatchers.withChild(ViewMatchers.withId(id))))45fun ViewInteraction.checkDisplayed(): ViewInteraction =46        check(ViewAssertions.matches(ViewMatchers.isDisplayed()))47fun ViewInteraction.checkNotDisplayed(): ViewInteraction =48        check(ViewAssertions.matches(not(ViewMatchers.isDisplayed())))49fun ViewInteraction.checkDoesNotExist(): ViewInteraction =50        check(ViewAssertions.doesNotExist())51fun ViewInteraction.checkMatches(matcher: Matcher<View>): ViewInteraction =52        check(ViewAssertions.matches(matcher))53fun ViewInteraction.clickTodoCheckBoxWithTitle(text: String): ViewInteraction =54        perform(CustomRecyclerViewActions.ClickTodoCheckBoxWithTitleViewAction.clickTodoCheckBoxWithTitle(text))55fun ViewInteraction.scrollToLastItem(): ViewInteraction =56        perform(CustomRecyclerViewActions.ScrollToLastHolder.scrollToLastHolder())57fun ViewInteraction.pressEspressoBack() = Espresso.pressBack()58/**59 * Expand function for web view test case.60 * It contains a Thread.sleep() each time key event is sent.61 *62 * @param key - keycode from {@link KeyEvent}63 * @param milliseconds - milliseconds to sleep64 * @param count - amount of times {@link KeyEvent} should be executed65 */66fun ViewInteraction.sleepAndPressKey(key: Int, milliseconds: Long, count: Int = 1): ViewInteraction {67    for (i in 1..count) {68        /**69         * Having Thread.sleep() in tests is a bad practice.70         * Here we are using it just to solve specific issue and nothing more.71         */72        Thread.sleep(milliseconds)73        perform(pressKey(key))74    }75    return this76}77/**78 * Aggregated matchers79 */80fun ViewInteraction.allOf(vararg matcher: Matcher<View>): ViewInteraction {81    return check(ViewAssertions.matches(Matchers.allOf(matcher.asIterable())))82}83/**84 * DataInteraction extensions85 */86fun DataInteraction.click(): ViewInteraction = perform(ViewActions.click())87fun DataInteraction.checkDisplayed(): ViewInteraction =88        check(ViewAssertions.matches(ViewMatchers.isDisplayed()))89fun DataInteraction.checkWithText(text: String): ViewInteraction =90        check(ViewAssertions.matches(ViewMatchers.withText(text)))91fun DataInteraction.checkMatches(matcher: Matcher<View>): ViewInteraction =92        check(ViewAssertions.matches(matcher))93fun DataInteraction.childById(id: Int): DataInteraction = onChildView(withId(id))94fun DataInteraction.inAdapterById(id: Int): DataInteraction = inAdapterView(withId(id))95/**96 * RecyclerView actions97 */98fun ViewInteraction.actionAtPosition(position: Int,99                                     action: ViewAction): ViewInteraction =100        perform(actionOnItemAtPosition<RecyclerView.ViewHolder>(position, action))101fun ViewInteraction.scrollToHolder(matcher: Matcher<RecyclerView.ViewHolder>): ViewInteraction =102        perform(scrollToHolder<RecyclerView.ViewHolder>(matcher))103fun ViewInteraction.actionOnItem(matcher: Matcher<RecyclerView.ViewHolder>,104                                 action: ViewAction): ViewInteraction =105        perform(actionOnHolderItem<RecyclerView.ViewHolder>(matcher, action))106fun ViewInteraction.scrollToPosition(position: Int): ViewInteraction =107        perform(scrollToPosition<RecyclerView.ViewHolder>(position))108fun ViewInteraction.scrollTo(matcher: Matcher<View>): ViewInteraction =109        perform(RecyclerViewActions.scrollTo<RecyclerView.ViewHolder>(matcher))110/**111 * ViewMatchers112 */113fun parentWithId(id: Int): Matcher<View> = ViewMatchers.withParent(withId(id))114/**115 * Waiters116 */117private const val FOUR_SECONDS = 4000118fun ViewInteraction.wait(): ViewInteraction =119        ConditionWatchers.waitForElement(this, FOUR_SECONDS)120fun ViewInteraction.waitFullyVisible(): ViewInteraction =121        ConditionWatchers.waitForElementFullyVisible(this, FOUR_SECONDS)122fun ViewInteraction.waitForGone(): ViewInteraction =123        ConditionWatchers.waitForElementIsGone(this, FOUR_SECONDS)...

ViewInteractionExtensions.kt

Source:ViewInteractionExtensions.kt

...50        = check(ViewAssertions.matches(ViewMatchers.withContentDescription(stringId)))51fun ViewInteraction.assertHasChild(matcher: Matcher<View>): ViewInteraction52        = check(ViewAssertions.matches(ViewMatchers.withChild(matcher)))53// Extensions for ViewActions54fun ViewInteraction.typeText(arg0: String): ViewInteraction = perform(ViewActions.typeText(arg0))55fun ViewInteraction.pressKey(arg0: android.support.test.espresso.action.EspressoKey): ViewInteraction = perform(ViewActions.pressKey(arg0))56fun ViewInteraction.pressKey(arg0: Int): ViewInteraction = perform(ViewActions.pressKey(arg0))57fun ViewInteraction.swipeUp(): ViewInteraction = perform(ViewActions.swipeUp())58fun ViewInteraction.click(): ViewInteraction = perform(ViewActions.click())59fun ViewInteraction.click(arg0: android.support.test.espresso.ViewAction): ViewInteraction = perform(ViewActions.click(arg0))60fun ViewInteraction.actionWithAssertions(arg0: android.support.test.espresso.ViewAction): ViewInteraction = perform(ViewActions.actionWithAssertions(arg0))61fun ViewInteraction.clearText(): ViewInteraction = perform(ViewActions.clearText())62fun ViewInteraction.swipeLeft(): ViewInteraction = perform(ViewActions.swipeLeft())63fun ViewInteraction.swipeRight(): ViewInteraction = perform(ViewActions.swipeRight())64fun ViewInteraction.swipeDown(): ViewInteraction = perform(ViewActions.swipeDown())65fun ViewInteraction.closeSoftKeyboard(): ViewInteraction = perform(ViewActions.closeSoftKeyboard())66fun ViewInteraction.pressImeActionButton(): ViewInteraction = perform(ViewActions.pressImeActionButton())67fun ViewInteraction.pressBack(): ViewInteraction = perform(ViewActions.pressBack())68fun ViewInteraction.pressMenuKey(): ViewInteraction = perform(ViewActions.pressMenuKey())69fun ViewInteraction.doubleClick(): ViewInteraction = perform(ViewActions.doubleClick())70fun ViewInteraction.longClick(): ViewInteraction = perform(ViewActions.longClick())71fun ViewInteraction.scrollTo(): ViewInteraction = perform(ViewActions.scrollTo())72fun ViewInteraction.typeTextIntoFocusedView(arg0: String): ViewInteraction = perform(ViewActions.typeTextIntoFocusedView(arg0))73fun ViewInteraction.replaceText(arg0: String): ViewInteraction = perform(ViewActions.replaceText(arg0))74fun ViewInteraction.openLinkWithText(arg0: org.hamcrest.Matcher<String>): ViewInteraction = perform(ViewActions.openLinkWithText(arg0))75fun ViewInteraction.openLinkWithText(arg0: String): ViewInteraction = perform(ViewActions.openLinkWithText(arg0))76fun ViewInteraction.openLink(arg0: org.hamcrest.Matcher<String>, arg1: org.hamcrest.Matcher<android.net.Uri>): ViewInteraction = perform(ViewActions.openLink(arg0, arg1))77fun ViewInteraction.openLinkWithUri(arg0: org.hamcrest.Matcher<android.net.Uri>): ViewInteraction = perform(ViewActions.openLinkWithUri(arg0))78fun ViewInteraction.openLinkWithUri(arg0: String): ViewInteraction = perform(ViewActions.openLinkWithUri(arg0))79fun ViewInteraction.pageToItem(pageNumber: Int): ViewInteraction = perform(80    SetViewPagerCurrentItemAction(81        pageNumber82    )83)...

BaseTestRobot.kt

Source:BaseTestRobot.kt

...19import org.hamcrest.Matchers20import org.hamcrest.TypeSafeMatcher21open class BaseTestRobot {22    fun fillEditText(resId: Int, text: String): ViewInteraction =23            onView(withId(resId)).perform(ViewActions.replaceText(text), ViewActions.closeSoftKeyboard())24    fun clickButton(resId: Int): ViewInteraction = onView((withId(resId))).perform(ViewActions.click())25    fun openMenu(){26        openActionBarOverflowOrOptionsMenu(getInstrumentation().targetContext)27    }28    fun pressBack() {29        onView(isRoot()).perform(ViewActions.pressBack())30    }31    fun selectMenuItem(menuString: String){32        onView(withText(menuString))33                .perform(click())34    }35    fun checkMenuItemDoesntExist(menuString: String){36        onView(withText(menuString)).check(ViewAssertions.doesNotExist())37    }38    fun checkMenuItemExist(menuString: String){39        onView(withText(menuString)).check(matches(isDisplayed()))40    }41    fun textView(resId: Int): ViewInteraction = onView(withId(resId))42    fun matchText(viewInteraction: ViewInteraction, text: String): ViewInteraction = viewInteraction43            .check(ViewAssertions.matches(ViewMatchers.withText(text)))44    fun matchText(resId: Int, text: String): ViewInteraction = matchText(textView(resId), text)45    fun clickListItem(listRes: Int, position: Int) {46        onData(anything())47                .inAdapterView(allOf(withId(listRes)))48                .atPosition(position).perform(ViewActions.click())49    }50    fun checkSnackBarDisplayedByMessageId(@StringRes message: Int) {51        onView(allOf(withId(android.support.design.R.id.snackbar_text), withText(message)))52                .check(matches(withEffectiveVisibility(53                        ViewMatchers.Visibility.VISIBLE54                )))55    }56    fun checkSnackBarDisplayedByMessageString(message: String) {57        onView(withText(message))58                .check(matches(withEffectiveVisibility(59                        ViewMatchers.Visibility.VISIBLE60                )))61    }62    fun matchToolbarTitle(63            title: CharSequence): ViewInteraction {64        return onView(isAssignableFrom(Toolbar::class.java))65                .check(matches(withToolbarTitle(`is`(title))))66    }67    fun withToolbarTitle(68            textMatcher: Matcher<CharSequence>): Matcher<Any> {69        return object : BoundedMatcher<Any, Toolbar>(Toolbar::class.java!!) {70            public override fun matchesSafely(toolbar: Toolbar): Boolean {71                return textMatcher.matches(toolbar.title)72            }73            override fun describeTo(description: Description) {74                description.appendText("with toolbar title: ")75                textMatcher.describeTo(description)76            }77        }78    }79    fun pressHomeUp(){80        onView(81                Matchers.allOf(ViewMatchers.withContentDescription("Navigate up"),82                        childAtPosition(83                                Matchers.allOf(ViewMatchers.withId(R.id.main_tbar_toolbar),84                                        childAtPosition(85                                                ViewMatchers.withId(R.id.main_ll_container),86                                                0)),87                                2),88                        ViewMatchers.isDisplayed())).perform(ViewActions.click())89    }90    private fun childAtPosition(91            parentMatcher: Matcher<View>, position: Int): Matcher<View> {92        return object : TypeSafeMatcher<View>() {93            override fun describeTo(description: Description) {94                description.appendText("Child at position $position in parent ")95                parentMatcher.describeTo(description)96            }97            public override fun matchesSafely(view: View): Boolean {98                val parent = view.parent99                return parent is ViewGroup && parentMatcher.matches(parent)100                        && view == parent.getChildAt(position)101            }102        }...

extensions.kt

Source:extensions.kt

...19fun text(@StringRes resource: Int): ViewInteraction = onView(withText(resource))20infix fun ViewInteraction.check(action: ViewAssertion): ViewInteraction = this.check(action)21infix fun ViewInteraction.hasHint(@StringRes string: Int): ViewInteraction = this check matches(withHint(string))22infix fun ViewInteraction.hasText(@StringRes string: Int): ViewInteraction = this check matches(withText(string))23infix fun Int.perform(action: ViewAction): ViewInteraction = onView(withId(this)).perform(action)24infix fun Int.check(action: ViewAssertion): ViewInteraction = onView(withId(this)).check(action)25infix fun Int.hasHint(@StringRes resource: Int): ViewInteraction = onView(withId(this)) hasHint resource26infix fun Int.hasText(@StringRes resource: Int): ViewInteraction = onView(withId(this)) hasText resource

BaseRobot.kt

Source:BaseRobot.kt

...14    /**15     *  Generic editing of text16     */17    fun fillEditText(resId: Int, text: String): ViewInteraction =18            onView(withId(resId)).perform(ViewActions.replaceText(text), ViewActions.closeSoftKeyboard())19    fun clickButton(resId: Int): ViewInteraction = onView((withId(resId))).perform(ViewActions.click())20    fun clickText(resId: Int): ViewInteraction = onView((withId(resId))).perform(ViewActions.click())21    fun textView(resId: Int): ViewInteraction = onView(withId(resId))22    fun matchErrorText(viewInteraction: ViewInteraction, text: String): ViewInteraction = viewInteraction23            .check(matches(hasErrorText(text)))24    fun matchNoTErrorText(viewInteraction: ViewInteraction, text: String): ViewInteraction = viewInteraction25            .check(matches(IsNot(hasErrorText(text))))26}

Helper.kt

Source:Helper.kt

...13    val interaction: ViewInteraction = Espresso.onView(ViewMatchers.withId(layoutId))14}15class KViewActions(private val interaction: ViewInteraction) {16    fun clicOnItem(position: Int) {17        interaction.perform(RecyclerViewActions.18                    actionOnItemAtPosition<RecyclerView.ViewHolder>(position, ViewActions.click()))19    }20}21class KViewAssertions(private val interaction: ViewInteraction) {22    fun hasText(text: String) {23        interaction.check(ViewAssertions.matches(ViewMatchers.withText(text)))24    }25}26infix fun KView.perform(func: KViewActions.() -> Unit) {27   func.invoke(KViewActions(interaction))28}29infix fun KView.check(func: KViewAssertions.() -> Unit) {30    func.invoke(KViewAssertions(interaction))31}...

EspressoExtensions.kt

Source:EspressoExtensions.kt

...12import org.hamcrest.Matcher13fun ViewInteraction.check(viewMatcher: Matcher<View>): ViewInteraction =14	check(matches(viewMatcher))15fun ViewInteraction.click(): ViewInteraction =16	perform(ViewActions.click())17fun ViewInteraction.checkText(text: String): ViewInteraction =18	check(withText(text))19fun ViewInteraction.enterText(text: String): ViewInteraction =20	perform(replaceText(text), closeSoftKeyboard())21fun ViewInteraction.clickItem(@IntRange(from = 0) position: Int): ViewInteraction =22	perform(actionOnItemAtPosition<ViewHolder>(position, ViewActions.click()))...

UITest.kt

Source:UITest.kt

...10            onView(withText(textRes)).check(matches(isDisplayed()))11    fun onViewVisibleText(text: String): ViewInteraction =12            onView(withText(text)).check(matches(isDisplayed()))13    fun enterText(viewId: Int, text: String) =14            onView(withId(viewId)).perform(QabelViewAction.setText(text))15    fun performClickText(resId: Int) {16        onView(withText(resId)).perform(click())17    }18}...

perform

Using AI Code Generation

1ViewInteraction viewInteraction = onView(allOf(withId(R.id.et_username), withText("Enter your username"), isDisplayed()));2viewInteraction.perform(replaceText("admin"), closeSoftKeyboard());3ViewInteraction viewInteraction1 = onView(allOf(withId(R.id.et_password), withText("Enter your password"), isDisplayed()));4viewInteraction1.perform(replaceText("admin"), closeSoftKeyboard());5ViewInteraction viewInteraction2 = onView(allOf(withId(R.id.btn_login), withText("Login"), isDisplayed()));6viewInteraction2.perform(click());7ViewInteraction viewInteraction3 = onView(allOf(withId(R.id.btn_logout), withText("Logout"), isDisplayed()));8viewInteraction3.perform(click());9}10}

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