ShareActivityTestAll.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.View;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.view.WindowManager;

import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;
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.click;
import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
import static android.support.test.espresso.matcher.ViewMatchers.withClassName;
import static android.support.test.espresso.matcher.ViewMatchers.withContentDescription;
import static android.support.test.espresso.matcher.ViewMatchers.withId;
import static android.support.test.espresso.matcher.ViewMatchers.withParent;
import static android.support.test.espresso.matcher.ViewMatchers.withText;
import static org.hamcrest.Matchers.allOf;
import static org.hamcrest.Matchers.is;

@LargeTest
@RunWith(AndroidJUnit4.class)
public class ShareActivityTestAll {

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

        ViewInteraction appCompatCheckedTextView = onView(
                allOf(withId(android.R.id.text1), withText("logcat"),
                        childAtPosition(
                                allOf(withClassName(is("com.android.internal.app.AlertController$RecycleListView")),
                                        withParent(withClassName(is("android.widget.LinearLayout")))),
                                1),
                        isDisplayed()));
        appCompatCheckedTextView.perform(click());

        ViewInteraction appCompatCheckedTextView2 = onView(
                allOf(withId(android.R.id.text1), withText("dmesg"),
                        childAtPosition(
                                allOf(withClassName(is("com.android.internal.app.AlertController$RecycleListView")),
                                        withParent(withClassName(is("android.widget.LinearLayout")))),
                                2),
                        isDisplayed()));
        appCompatCheckedTextView2.perform(click());

        ViewInteraction editText = onView(
                allOf(withClassName(is("android.widget.EditText")), isDisplayed()));
        editText.perform(click());

        ViewInteraction appCompatButton = onView(
                allOf(withId(android.R.id.button3), withText("Save"), isDisplayed()));
        appCompatButton.perform(click());

    }

    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));
            }
        };
    }
}