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package de.test.antennapod;
import android.content.Context;
import android.support.annotation.StringRes;
import android.support.test.InstrumentationRegistry;
import android.support.test.espresso.PerformException;
import android.support.test.espresso.UiController;
import android.support.test.espresso.ViewAction;
import android.support.test.espresso.contrib.DrawerActions;
import android.support.test.espresso.contrib.RecyclerViewActions;
import android.support.test.espresso.util.HumanReadables;
import android.support.test.espresso.util.TreeIterables;
import android.view.View;
import de.danoeh.antennapod.R;
import org.hamcrest.Matcher;
import java.io.File;
import java.util.concurrent.TimeoutException;
import static android.support.test.espresso.Espresso.onView;
import static android.support.test.espresso.action.ViewActions.click;
import static android.support.test.espresso.matcher.ViewMatchers.hasDescendant;
import static android.support.test.espresso.matcher.ViewMatchers.isRoot;
import static android.support.test.espresso.matcher.ViewMatchers.withId;
import static android.support.test.espresso.matcher.ViewMatchers.withText;
public class EspressoTestUtils {
/**
* Perform action of waiting for a specific view id.
* https://stackoverflow.com/a/49814995/
* @param viewMatcher The view to wait for.
* @param millis The timeout of until when to wait for.
*/
public static ViewAction waitForView(final Matcher<View> viewMatcher, final long millis) {
return new ViewAction() {
@Override
public Matcher<View> getConstraints() {
return isRoot();
}
@Override
public String getDescription() {
return "wait for a specific view for" + millis + " millis.";
}
@Override
public void perform(final UiController uiController, final View view) {
uiController.loopMainThreadUntilIdle();
final long startTime = System.currentTimeMillis();
final long endTime = startTime + millis;
do {
for (View child : TreeIterables.breadthFirstViewTraversal(view)) {
// found view with required ID
if (viewMatcher.matches(child)) {
return;
}
}
uiController.loopMainThreadForAtLeast(50);
}
while (System.currentTimeMillis() < endTime);
// timeout happens
throw new PerformException.Builder()
.withActionDescription(this.getDescription())
.withViewDescription(HumanReadables.describe(view))
.withCause(new TimeoutException())
.build();
}
};
}
/**
* Clear all app databases
*/
public static void clearAppData() {
File root = InstrumentationRegistry.getTargetContext().getFilesDir().getParentFile();
String[] sharedPreferencesFileNames = new File(root, "shared_prefs").list();
for (String fileName : sharedPreferencesFileNames) {
System.out.println("Cleared database: " + fileName);
InstrumentationRegistry.getTargetContext().
getSharedPreferences(fileName.replace(".xml", ""), Context.MODE_PRIVATE).edit().clear().commit();
}
}
public static void clickPreference(@StringRes int title) {
onView(withId(R.id.list)).perform(
RecyclerViewActions.actionOnItem(hasDescendant(withText(title)),
click()));
}
public static void openNavDrawer() {
onView(isRoot()).perform(waitForView(withId(R.id.drawer_layout), 1000));
onView(withId(R.id.drawer_layout)).perform(DrawerActions.open());
}
public static void closeNavDrawer() {
onView(isRoot()).perform(waitForView(withId(R.id.drawer_layout), 1000));
onView(withId(R.id.drawer_layout)).perform(DrawerActions.close());
}
}
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