ShareActivityTestCancel.java

package com.asksven.betterbatterystats;


import android.support.test.espresso.ViewInteraction;
import android.support.test.rule.ActivityTestRule;
import android.support.test.runner.AndroidJUnit4;
import android.test.suitebuilder.annotation.LargeTest;
import android.view.WindowManager;

import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;

import static android.support.test.espresso.Espresso.onView;
import static android.support.test.espresso.action.ViewActions.*;
import static android.support.test.espresso.assertion.ViewAssertions.*;
import static android.support.test.espresso.matcher.ViewMatchers.*;
import static org.hamcrest.Matchers.allOf;


@RunWith(AndroidJUnit4.class)
public class ShareActivityTestCancel
{

    @Rule
    public ActivityTestRule<StatsActivity> mActivityTestRule = new ActivityTestRule<>(StatsActivity.class);

    @Before
    public void setUp() {
        final StatsActivity activity = mActivityTestRule.getActivity();
        Runnable wakeUpDevice = new Runnable() {
            public void run() {
                activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON |
                        WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED |
                        WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
            }
        };
        activity.runOnUiThread(wakeUpDevice);
    }

    @Test
    public void shareActivityTest()
    {
        // Added a sleep statement to match the app's execution delay.
        // The recommended way to handle such scenarios is to use Espresso idling resources:
        // https://google.github.io/android-testing-support-library/docs/espresso/idling-resource/index.html
        try
        {
            Thread.sleep(2000);
        } catch (InterruptedException e)
        {
            e.printStackTrace();
        }

        ViewInteraction actionMenuItemView = onView(
                allOf(withId(R.id.share), withContentDescription("Share"), isDisplayed()));
        actionMenuItemView.perform(click());

        // Added a sleep statement to match the app's execution delay.
        // The recommended way to handle such scenarios is to use Espresso idling resources:
        // https://google.github.io/android-testing-support-library/docs/espresso/idling-resource/index.html
        try
        {
            Thread.sleep(2000);
        } catch (InterruptedException e)
        {
            e.printStackTrace();
        }

        ViewInteraction appCompatButton2 = onView(withText("Cancel"));
        appCompatButton2.perform(click());

    }

}