How to use ViewAssertion class of android.support.test.espresso package

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

RecyclerViewItemInteractions.kt

Source:RecyclerViewItemInteractions.kt Github

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...3import android.support.test.espresso.NoMatchingViewException4import android.support.test.espresso.PerformException.Builder5import android.support.test.espresso.UiController6import android.support.test.espresso.ViewAction7import android.support.test.espresso.ViewAssertion8import android.support.test.espresso.action.ViewActions9import android.support.test.espresso.matcher.ViewMatchers10import android.support.test.espresso.util.HumanReadables11import android.support.v7.widget.RecyclerView12import android.view.View13import org.hamcrest.Matcher14import org.hamcrest.Matchers15internal object RecyclerViewItemInteractions {16 internal const val rootViewId = -117 internal fun actionOnItemViewAtPosition(position: Int, @IdRes viewId: Int, viewAction: ViewAction): ViewAction {18 return ActionOnItemViewAtPositionViewAction(position, viewId, viewAction)19 }20 internal fun assertionOnItemViewAtPosition(position: Int, @IdRes viewId: Int = rootViewId, viewAssertion: ViewAssertion): ViewAssertion {21 return AssertionOnItemViewAtPosition(position, viewId, viewAssertion)22 }23 private class ActionOnItemViewAtPositionViewAction (24 private val position: Int,25 @IdRes private val viewId: Int,26 private val viewAction: ViewAction) : ViewAction {27 override fun getConstraints(): Matcher<View> = createConstraints()28 override fun getDescription(): String {29 return "actionOnItemAtPosition performing ViewAction: ${viewAction.description} on item at position: $position"30 }31 override fun perform(uiController: UiController, view: View) {32 val recyclerView = view as RecyclerView33 ScrollToPositionViewAction(position).perform(uiController, view)34 uiController.loopMainThreadUntilIdle()35 val targetView = recyclerView.getChildAt(position).apply {36 if (viewId == rootViewId) {37 rootView38 } else {39 findViewById<View>(viewId)40 }41 }42 if (targetView == null) {43 throw Builder()44 .withActionDescription(this.toString())45 .withViewDescription(HumanReadables.describe(view))46 .withCause(IllegalStateException("No view with id $viewId found at position: $position"))47 .build()48 } else {49 viewAction.perform(uiController, targetView)50 }51 }52 }53 private class AssertionOnItemViewAtPosition(private val position: Int,54 @IdRes private val viewId: Int,55 private val viewAssertion: ViewAssertion) : ViewAssertion {56 override fun check(view: View?, noViewFoundException: NoMatchingViewException?) {57 val recyclerView = view as RecyclerView58 actionOnItemViewAtPosition(position, viewId, ViewActions.scrollTo())59 val childAt = recyclerView.getChildAt(position)60 val targetView = childAt.findViewById<View>(viewId)61 ?: throw Builder().withCause(noViewFoundException).build()62 viewAssertion.check(targetView, noViewFoundException)63 }64 }65 private class ScrollToPositionViewAction(private val position: Int) : ViewAction {66 override fun getConstraints(): Matcher<View> = createConstraints()67 override fun getDescription(): String {68 return "scroll RecyclerView to position: $position"69 }...

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ChatRobot.kt

Source:ChatRobot.kt Github

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...14 * limitations under the License.15 */16package org.codepond.imdemo.chat17import android.support.test.espresso.Espresso.*18import android.support.test.espresso.ViewAssertion19import android.support.test.espresso.action.ViewActions.*20import android.support.test.espresso.assertion.ViewAssertions.*21import android.support.test.espresso.matcher.ViewMatchers.*22import android.support.v7.widget.RecyclerView23import android.view.View24import android.widget.RelativeLayout25import org.codepond.imdemo.R26import org.hamcrest.Matcher27import org.hamcrest.Matchers.*28import org.junit.Assert.assertEquals29fun isListItem(): Matcher<View> {30 return isDescendantOfA(isAssignableFrom(RecyclerView::class.java))31}32fun isAlignParent(alignParent: Int): ViewAssertion {33 return ViewAssertion { view, noViewFoundException ->34 if (noViewFoundException != null) {35 throw noViewFoundException36 }37 assertThat("View must be a child of RelativeLayout", view.parent, instanceOf<Any>(RelativeLayout::class.java))38 val params = view.layoutParams as RelativeLayout.LayoutParams39 val rules = params.rules40 assertEquals(RelativeLayout.TRUE, rules[alignParent])41 }42}43class ChatRobot {44 inner class Action {45 fun clickSend(): Result {46 onView(withId(R.id.button_send)).perform(click())47 return Result()...

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ScrollViewTest.kt

Source:ScrollViewTest.kt Github

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1package ru.spb.speech2import android.support.test.espresso.Espresso.onView3import android.support.test.espresso.action.ViewActions.click4import android.support.test.espresso.action.ViewActions.scrollTo5import android.support.test.espresso.assertion.ViewAssertions.matches6import android.support.test.espresso.intent.rule.IntentsTestRule7import android.support.test.espresso.matcher.ViewMatchers.*8import android.support.test.runner.AndroidJUnit49import org.junit.Rule10import org.junit.Test11import org.junit.runner.RunWith12import android.support.test.espresso.util.HumanReadables13import android.support.test.espresso.matcher.ViewMatchers.isDisplayed14import android.support.test.espresso.ViewAssertion15import org.junit.After16import org.junit.Before17@RunWith(AndroidJUnit4::class)18class ScrollViewTest : BaseInstrumentedTest() {19 @Rule20 @JvmField21 var mIntentsTestRule = IntentsTestRule<TrainingStatisticsActivity>(TrainingStatisticsActivity::class.java)22 lateinit var helper: TestHelper23 @Before24 fun enableDebugMode() {25 helper = TestHelper(mIntentsTestRule.activity)26 helper.setTrainingPresentationMod(true) // включение тестовой презентации27 }28 @After29 fun disableDebugMode() {30 helper.setTrainingPresentationMod(false) // выключение тестовой презентации31 }32 @Test33 fun test(){34 onView(withText(mIntentsTestRule.activity.getString(R.string.share))).check(isNotDisplayed())35 onView(withId(R.id.share1))36 .perform(scrollTo(), click())37 onView(withText(mIntentsTestRule.activity.getString(R.string.share))).check(matches(isDisplayed()))38 }39 fun isNotDisplayed(): ViewAssertion {40 return ViewAssertion { view, _ ->41 if (view != null && isDisplayed().matches(view)) {42 throw AssertionError("View is present in the hierarchy and Displayed: " + HumanReadables.describe(view))43 }44 }45 }46}...

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CustomMatchers.kt

Source:CustomMatchers.kt Github

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1package com.kkk.mvp_koin2import android.support.test.espresso.NoMatchingViewException3import android.support.test.espresso.ViewAssertion4import android.support.test.espresso.matcher.BoundedMatcher5import android.support.test.espresso.matcher.ViewMatchers6import android.support.v7.widget.RecyclerView7import android.view.View8import org.hamcrest.CoreMatchers9import org.hamcrest.Description10import org.hamcrest.Matcher11class CustomMatchers {12 companion object {13 fun withItemCount(count: Int): Matcher<View> {14 return object : BoundedMatcher<View, RecyclerView>(RecyclerView::class.java) {15 override fun describeTo(description: Description?) {16 description?.appendText("RecyclerView with item count: $count")17 }18 override fun matchesSafely(item: RecyclerView?): Boolean {19 return item?.adapter?.itemCount == count20 }21 }22 }23 }24}25class CustomAssertions {26 companion object {27 fun hasItemCount(count: Int): ViewAssertion {28 return RecyclerViewItemCountAssertion(count)29 }30 }31 private class RecyclerViewItemCountAssertion(private val count: Int) : ViewAssertion {32 override fun check(view: View, noViewFoundException: NoMatchingViewException?) {33 if (noViewFoundException != null) {34 throw noViewFoundException35 }36 if (view !is RecyclerView) {37 throw IllegalStateException("The asserted view is not RecyclerView")38 }39 if (view.adapter == null) {40 throw IllegalStateException("No adapter is assigned to RecyclerView")41 }42 ViewMatchers.assertThat("RecyclerView item count", view.adapter?.itemCount, CoreMatchers.equalTo(count))43 }44 }45}46private class RecyclerViewItemCountAssertion(private val count: Int) : ViewAssertion {47 override fun check(view: View, noViewFoundException: NoMatchingViewException?) {48 }49}...

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extensions.kt

Source:extensions.kt Github

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1package nl.jovmit2import android.support.annotation.StringRes3import android.support.test.espresso.Espresso.onView4import android.support.test.espresso.ViewAction5import android.support.test.espresso.ViewAssertion6import android.support.test.espresso.ViewInteraction7import android.support.test.espresso.assertion.ViewAssertions.matches8import android.support.test.espresso.matcher.ViewMatchers9import android.support.test.espresso.matcher.ViewMatchers.isAssignableFrom10import android.support.test.espresso.matcher.ViewMatchers.withHint11import android.support.test.espresso.matcher.ViewMatchers.withId12import android.support.test.espresso.matcher.ViewMatchers.withParent13import android.support.test.espresso.matcher.ViewMatchers.withText14import android.support.v7.widget.Toolbar15import org.hamcrest.Matchers.allOf16val isDisplayed: ViewAssertion = matches(ViewMatchers.isDisplayed())17fun toolbarWithTitle(@StringRes title: Int): ViewInteraction =18 onView(allOf(withText(title), withParent(isAssignableFrom(Toolbar::class.java))))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...

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ViewPagerItemCountAssertion.kt

Source:ViewPagerItemCountAssertion.kt Github

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1package de.metzgore.beansplan.util2import android.support.annotation.IdRes3import android.support.test.espresso.Espresso4import android.support.test.espresso.NoMatchingViewException5import android.support.test.espresso.ViewAssertion6import android.support.test.espresso.matcher.ViewMatchers7import android.support.v4.view.PagerAdapter8import android.support.v4.view.ViewPager9import android.view.View10import com.schibsted.spain.barista.internal.matcher.DisplayedMatchers11import org.hamcrest.CoreMatchers12class ViewPagerItemCountAssertion {13 companion object {14 fun assertViewPagerViewItemCount(@IdRes viewPagerId: Int, expectedItemCount: Int) {15 Espresso.onView(DisplayedMatchers.displayedWithId(viewPagerId)).check(ViewPagerItemCountAssertion(expectedItemCount))16 }17 }18 private class ViewPagerItemCountAssertion(private val count: Int) : ViewAssertion {19 override fun check(view: View, noViewFoundException: NoMatchingViewException?) {20 if (noViewFoundException != null) {21 throw noViewFoundException22 }23 if (view !is ViewPager) {24 throw IllegalStateException("The asserted view is not ViewPager")25 }26 if (view.adapter == null) {27 throw IllegalStateException("No adapter is assigned to ViewPager")28 }29 val pagerAdapter = view.adapter as PagerAdapter30 ViewMatchers.assertThat("RecyclerView item count", pagerAdapter.count, CoreMatchers.equalTo(count))31 }32 }...

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CustomAssertion.kt

Source:CustomAssertion.kt Github

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1package poc.com.cricbuzzpoc2import android.view.View3import android.support.test.espresso.ViewAssertion4import android.support.v7.widget.RecyclerView5import android.support.test.espresso.NoMatchingViewException6import android.support.test.espresso.matcher.ViewMatchers7import org.hamcrest.CoreMatchers8class CustomAssertion {9 companion object {10 fun hasItemCount(count: Int): ViewAssertion {11 return RecyclerViewItemCountAssertion(count)12 }13 }14 private class RecyclerViewItemCountAssertion(private val count: Int) : ViewAssertion {15 override fun check(view: View, noViewFoundException: NoMatchingViewException?) {16 if (noViewFoundException != null) {17 throw noViewFoundException18 }19 if (view !is RecyclerView) {20 throw IllegalStateException("The asserted view is not RecyclerView")21 }22 if (view.adapter == null) {23 throw IllegalStateException("No adapter is assigned to RecyclerView")24 }25 ViewMatchers.assertThat("RecyclerView item count", view.adapter.itemCount, CoreMatchers.equalTo(count))26 }27 }28}...

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CustomAssertions.kt

Source:CustomAssertions.kt Github

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1package sample.onursaygili.commentator2import android.support.test.espresso.NoMatchingViewException3import android.support.test.espresso.ViewAssertion4import android.support.test.espresso.matcher.ViewMatchers5import android.support.v7.widget.RecyclerView6import android.view.View7import org.hamcrest.CoreMatchers8class CustomAssertions {9 companion object {10 fun hasItemCount(count: Int): ViewAssertion {11 return RecyclerViewItemCountAssertion(count)12 }13 }14 private class RecyclerViewItemCountAssertion(private val count: Int) : ViewAssertion {15 override fun check(view: View, noViewFoundException: NoMatchingViewException?) {16 if (noViewFoundException != null) {17 throw noViewFoundException18 }19 if (view !is RecyclerView) {20 throw IllegalStateException("The asserted view is not RecyclerView")21 }22 if (view.adapter == null) {23 throw IllegalStateException("No adapter is assigned to RecyclerView")24 }25 ViewMatchers.assertThat("RecyclerView item count", view.adapter.itemCount, CoreMatchers.equalTo(count))26 }27 }28}...

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ViewAssertion

Using AI Code Generation

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1import android.support.test.espresso.Espresso;2import android.support.test.espresso.ViewAssertion;3import android.support.test.espresso.assertion.ViewAssertions;4import android.support.test.espresso.matcher.ViewMatchers;5import android.support.test.rule.ActivityTestRule;6import android.support.test.runner.AndroidJUnit4;7import android.view.View;8import android.widget.TextView;9import org.hamcrest.Matcher;10import org.junit.Rule;11import org.junit.Test;12import org.junit.runner.RunWith;13import static android.support.test.espresso.Espresso.onView;14import static android.support.test.espresso.action.ViewActions.click;15import static android.support.test.espresso.action.ViewActions.typeText;16import static android.support.test.espresso.assertion.ViewAssertions.matches;17import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;18import static android.support.test.espresso.matcher.ViewMatchers.withId;19import static android.support.test.espresso.matcher.ViewMatchers.withText;20@RunWith(AndroidJUnit4.class)21public class MainActivityTest {22 public ActivityTestRule<MainActivity> activityTestRule = new ActivityTestRule<>(MainActivity.class);23 public void checkTextView() {24 onView(ViewMatchers.withId(R.id.textView)).check(matches(withText("Hello World!")));25 }26}27onView(withId(R.id.textView)).check(matches(withText("")));28onView(withId(R.id.textView)).check(matches(withText(not(""))));29onView(withId(R.id.textView)).check(matches(withText(containsString("Hello"))));30onView(withId(R.id.textView)).check(matches(withText(startsWith("Hello"))));31onView(withId(R.id.textView)).check(matches(withText(endsWith("World!"))));

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ViewAssertion

Using AI Code Generation

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1onView(withId(R.id.textview)).check(matches(isDisplayed()));2onView(withId(R.id.textview)).check(matches(not(isDisplayed())));3onView(withId(R.id.checkbox)).check(matches(isChecked()));4onView(withId(R.id.checkbox)).check(matches(not(isChecked())));5onView(withId(R.id.spinner)).check(matches(isSelected()));6onView(withId(R.id.spinner)).check(matches(not(isSelected())));7onView(withId(R.id.edittext)).check(matches(isEnabled()));8onView(withId(R.id.edittext)).check(matches(not(isEnabled())));9onView(withId(R.id.edittext)).check(matches(isFocusable()));10onView(withId(R.id.edittext)).check(matches(not(isFocusable())));11onView(withId(R.id.button)).check(matches(isClickable()));12onView(withId(R.id.button)).check(matches(not(isClickable())));

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ViewAssertion

Using AI Code Generation

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1ViewInteraction textView = onView( allOf( withId( R.id.textView ), withText( "Hello World!" ), isDisplayed() ) );2textView.check( matches( withText( "Hello World!" ) ) );3ViewInteraction textView = onView( allOf( withId( R.id.textView ), withText( "Hello World!" ), isDisplayed() ) );4textView.check( matches( withText( "Hello World!" ) ) );5ViewInteraction textView = onView( allOf( withId( R.id.textView ), withText( "Hello World!" ), isDisplayed() ) );6textView.check( matches( withText( "Hello World!" ) ) );7ViewInteraction textView = onView( allOf( withId( R.id.textView ), withText( "Hello World!" ), isDisplayed() ) );8textView.check( matches( withText( "Hello World!" ) ) );9ViewInteraction textView = onView( allOf( withId( R.id.textView ), withText( "Hello World!" ), isDisplayed() ) );10textView.check( matches( withText( "Hello World!" ) ) );11ViewInteraction textView = onView( allOf( withId( R.id.textView ), withText( "Hello World!" ), isDisplayed() ) );12textView.check( matches( withText( "Hello World!" ) ) );13ViewInteraction textView = onView( allOf( withId( R.id.textView ), withText( "Hello World!" ), isDisplayed() ) );14textView.check( matches( withText( "Hello World!" ) ) );15ViewInteraction textView = onView( allOf( withId( R.id.textView ), withText( "Hello World!" ), isDisplayed() ) );16textView.check( matches( withText

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ViewAssertion

Using AI Code Generation

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1import static android.support.test.espresso.Espresso.onView;2import static android.support.test.espresso.assertion.ViewAssertions.matches;3import static android.support.test.espresso.matcher.ViewMatchers.withText;4import static android.support.test.espresso.matcher.ViewMatchers.withId;5import static org.hamcrest.Matchers.allOf;6import static org.hamcrest.Matchers.containsString;7import android.support.test.espresso.assertion.ViewAssertion;8import android.support.test.espresso.matcher.ViewMatchers;9import android.support.test.rule.ActivityTestRule;10import android.support.test.runner.AndroidJUnit4;11import android.view.View;12import android.widget.TextView;13import org.junit.Rule;14import org.junit.Test;15import org.junit.runner.RunWith;16@RunWith(AndroidJUnit4.class)17public class MainActivityTest {18public ActivityTestRule<MainActivity> mActivityRule = new ActivityTestRule<>(19MainActivity.class);20public void ensureTextChangesWork() {21onView(withId(R.id.editTextUserInput))22.perform(typeText("HELLO"), closeSoftKeyboard());23onView(withId(R.id.changeTextBt)).perform(click());24onView(withId(R.id.textToBeChanged))25.check(matches(withText("HELLO")));26onView(withId(R.id.textToBeChanged))27.check(matches(withText(containsString("HELLO"))));28onView(withId(R.id.textToBeChanged))29check(new ViewAssertion() {30public void check(View view, NoMatchingViewException noViewFoundException) {31if (!(view instanceof TextView)) {32throw new IllegalStateException("View is not a TextView!");33}34TextView textView = (TextView) view;35String text = textView.getText().toString();36if (!text.equals("HELLO")) {37throw new IllegalStateException("Text is not HELLO!");38}39}40}

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