CustomMatchers.java

package com.hitherejoe.androidtvboilerplate.util;

import android.text.TextUtils;
import android.view.View;

import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;

import static android.support.test.espresso.core.deps.guava.base.Preconditions.checkArgument;
import static android.support.test.espresso.matcher.ViewMatchers.isDescendantOfA;
import static android.support.test.espresso.matcher.ViewMatchers.withId;
import static android.support.test.espresso.matcher.ViewMatchers.withText;
import static org.hamcrest.Matchers.allOf;

public class CustomMatchers {

    public static Matcher<View> withItemText(final String itemText, final int parentId) {
        checkArgument(!TextUtils.isEmpty(itemText), "itemText cannot be null or empty");
        return new TypeSafeMatcher<View>() {
            @Override
            public boolean matchesSafely(View item) {
                return allOf(isDescendantOfA(withId(parentId)),
                        withText(itemText)).matches(item);
            }

            @Override
            public void describeTo(Description description) {
                description.appendText("is isDescendantOfA RecyclerView with text " + itemText);
            }
        };
    }
}