Add UI Tests using Espresso Testing Framework

app/build.gradle.kts

@@ -28,6 +28,8 @@ android {
  multiDexEnabled = true
 
  resourceConfigurations += listOf("ar", "bg", "bn", "bn-rIN", "bs", "cs", "da", "de", "el-rGR", "en", "eo", "es", "es-rAR", "fi", "fr", "he-rIL", "hi", "hr", "hu", "in-rID", "is", "it", "ja", "ko", "lt", "lv", "nb-rNO", "nl", "oc", "pl", "pt-rPT", "ro-rRO", "ru", "sk", "sl", "sv", "tr", "uk", "vi", "zh-rCN", "zh-rTW")
+ testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+ testInstrumentationRunnerArguments["clearPackageData"] = "true"
  }
 
  buildTypes {
@@ -94,6 +96,7 @@ dependencies {
  implementation("androidx.preference:preference:1.2.1")
  implementation("com.google.android.material:material:1.12.0")
  implementation("com.github.yalantis:ucrop:2.2.9")
+ implementation("androidx.tracing:tracing:1.2.0")
  coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.0.4")
 
  // Splash Screen
@@ -113,6 +116,16 @@ dependencies {
  testImplementation("androidx.test:core:1.5.0")
  testImplementation("junit:junit:4.13.2")
  testImplementation("org.robolectric:robolectric:4.12.2")
+
+ // Espresso
+ androidTestImplementation("androidx.test.espresso:espresso-core:3.6.0-beta01")
+ androidTestImplementation("androidx.test:core:1.5.0")
+ androidTestImplementation("androidx.test:rules:1.6.0-beta01")
+ androidTestImplementation("androidx.test.ext:junit:1.2.0-beta01")
+ androidTestImplementation("androidx.test:runner:1.5.2")
+ androidTestImplementation("androidx.test.espresso:espresso-contrib:3.6.0-beta01")
+
+ androidTestUtil("androidx.test:orchestrator:1.1.0")
 }
 
 tasks.withType<SpotBugsTask>().configureEach {

app/src/androidTest/java/protect/card_locker/LanguageChangeUITest.java

@@ -0,0 +1,173 @@
+package protect.card_locker;
+
+
+import static androidx.test.espresso.Espresso.onData;
+import static androidx.test.espresso.Espresso.onView;
+import static androidx.test.espresso.action.ViewActions.click;
+import static androidx.test.espresso.assertion.ViewAssertions.matches;
+import static androidx.test.espresso.contrib.RecyclerViewActions.actionOnItemAtPosition;
+import static androidx.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static androidx.test.espresso.matcher.ViewMatchers.withClassName;
+import static androidx.test.espresso.matcher.ViewMatchers.withContentDescription;
+import static androidx.test.espresso.matcher.ViewMatchers.withId;
+import static androidx.test.espresso.matcher.ViewMatchers.withParent;
+import static androidx.test.espresso.matcher.ViewMatchers.withText;
+import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation;
+import static org.hamcrest.Matchers.allOf;
+import static org.hamcrest.Matchers.anything;
+import static org.hamcrest.Matchers.is;
+
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.ViewParent;
+
+import androidx.test.espresso.DataInteraction;
+import androidx.test.espresso.ViewInteraction;
+import androidx.test.ext.junit.rules.ActivityScenarioRule;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.LargeTest;
+
+import org.hamcrest.Description;
+import org.hamcrest.Matcher;
+import org.hamcrest.TypeSafeMatcher;
+import org.hamcrest.core.IsInstanceOf;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.Arrays;
+
+@LargeTest
+@RunWith(AndroidJUnit4.class)
+public class LanguageChangeUITest {
+
+ @Rule
+ public ActivityScenarioRule<MainActivity> mActivityScenarioRule =
+ new ActivityScenarioRule<>(MainActivity.class);
+
+ @Test
+ public void languageChangeUITest() {
+ ViewInteraction overflowMenuButton = onView(
+ allOf(withContentDescription(R.string.action_more_options),
+ isDisplayed()));
+ overflowMenuButton.perform(click());
+
+ String expectedText = getInstrumentation().getTargetContext().getString(R.string.settings);
+ ViewInteraction materialTextView = onView(
+ allOf(withId(androidx.recyclerview.R.id.title), withText(expectedText),
+ childAtPosition(
+ childAtPosition(
+ withId(androidx.appcompat.R.id.content),
+ 0),
+ 0),
+ isDisplayed()));
+ materialTextView.perform(click());
+
+ ViewInteraction recyclerView = onView(
+ allOf(withId(com.jaredrummler.android.colorpicker.R.id.recycler_view),
+ childAtPosition(
+ withId(android.R.id.list_container),
+ 0)));
+ recyclerView.perform(actionOnItemAtPosition(4, click()));
+
+ String selectedLanguage = "de";
+ int position = getPositionOfItem(selectedLanguage);
+
+ DataInteraction appCompatCheckedTextView = onData(anything())
+ .inAdapterView(allOf(withId(androidx.appcompat.R.id.select_dialog_listview),
+ childAtPosition(
+ withId(androidx.appcompat.R.id.contentPanel),
+ 0)))
+ .atPosition(position);
+ appCompatCheckedTextView.perform(click());
+
+ ViewInteraction textView = onView(
+ allOf(withText("Einstellungen"),
+ withParent(allOf(withId(R.id.toolbar),
+ withParent(IsInstanceOf.<View>instanceOf(android.widget.LinearLayout.class)))),
+ isDisplayed()));
+ textView.check(matches(withText("Einstellungen")));
+
+ ViewInteraction recyclerView2 = onView(
+ allOf(withId(com.jaredrummler.android.colorpicker.R.id.recycler_view),
+ childAtPosition(
+ withId(android.R.id.list_container),
+ 0)));
+ recyclerView2.perform(actionOnItemAtPosition(4, click()));
+
+ selectedLanguage = "el-rGR";
+ position = getPositionOfItem(selectedLanguage);
+
+ DataInteraction appCompatCheckedTextView2 = onData(anything())
+ .inAdapterView(allOf(withId(androidx.appcompat.R.id.select_dialog_listview),
+ childAtPosition(
+ withId(androidx.appcompat.R.id.contentPanel),
+ 0)))
+ .atPosition(position);
+ appCompatCheckedTextView2.perform(click());
+
+ ViewInteraction textView2 = onView(
+ allOf(withText("Ρυθμίσεις"),
+ withParent(allOf(withId(R.id.toolbar),
+ withParent(IsInstanceOf.<View>instanceOf(android.widget.LinearLayout.class)))),
+ isDisplayed()));
+ textView2.check(matches(withText("Ρυθμίσεις")));
+
+ ViewInteraction recyclerView3 = onView(
+ allOf(withId(com.jaredrummler.android.colorpicker.R.id.recycler_view),
+ childAtPosition(
+ withId(android.R.id.list_container),
+ 0)));
+ recyclerView3.perform(actionOnItemAtPosition(4, click()));
+
+ DataInteraction appCompatCheckedTextView3 = onData(anything())
+ .inAdapterView(allOf(withId(androidx.appcompat.R.id.select_dialog_listview),
+ childAtPosition(
+ withId(androidx.appcompat.R.id.contentPanel),
+ 0)))
+ .atPosition(0);
+ appCompatCheckedTextView3.perform(click());
+
+ ViewInteraction appCompatImageButton = onView(
+ allOf(withContentDescription("Navigate up"),
+ childAtPosition(
+ allOf(withId(R.id.toolbar),
+ childAtPosition(
+ withClassName(is("com.google.android.material.appbar.AppBarLayout")),
+ 0)),
+ 1),
+ isDisplayed()));
+ appCompatImageButton.perform(click());
+
+ ViewInteraction textView3 = onView(
+ allOf(withId(R.id.welcome_text), withText("Welcome to Catima"),
+ withParent(allOf(withId(R.id.helpSection),
+ withParent(withId(R.id.include)))),
+ isDisplayed()));
+ textView3.check(matches(withText("Welcome to Catima")));
+ }
+
+ private static Matcher<View> childAtPosition(
+ final Matcher<View> parentMatcher, final int position) {
+
+ return new TypeSafeMatcher<View>() {
+ @Override
+ public void describeTo(Description description) {
+ description.appendText("Child at position " + position + " in parent ");
+ parentMatcher.describeTo(description);
+ }
+
+ @Override
+ public boolean matchesSafely(View view) {
+ ViewParent parent = view.getParent();
+ return parent instanceof ViewGroup && parentMatcher.matches(parent)
+ && view.equals(((ViewGroup) parent).getChildAt(position));
+ }
+ };
+ }
+
+ private static int getPositionOfItem(String selectedLanguage) {
+ String[] availableLocales = getInstrumentation().getTargetContext().getResources().getStringArray(R.array.locale_values);
+ return Arrays.asList(availableLocales).indexOf(selectedLanguage);
+ }
+}