ReferFriendTest.java

package com.netpulse.mobile.refer_friend;

import android.content.ComponentName;
import android.support.test.espresso.intent.rule.IntentsTestRule;
import android.support.test.rule.ActivityTestRule;
import android.support.test.runner.AndroidJUnit4;

import com.netpulse.mobile.R;
import com.netpulse.mobile.core.api.MockReferralApi;
import com.netpulse.mobile.core.api.Referral;
import com.netpulse.mobile.dashboard.ui.DashboardActivity;
import com.netpulse.mobile.utils.AppStateUtils;
import com.netpulse.mobile.utils.rules.CleanAppData;

import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExternalResource;
import org.junit.rules.RuleChain;
import org.junit.rules.TestRule;
import org.junit.runner.RunWith;

import static android.support.test.InstrumentationRegistry.getTargetContext;
import static android.support.test.espresso.Espresso.onView;
import static android.support.test.espresso.action.ViewActions.click;
import static android.support.test.espresso.intent.Intents.intended;
import static android.support.test.espresso.intent.matcher.IntentMatchers.hasComponent;
import static android.support.test.espresso.matcher.ViewMatchers.withText;
import static org.hamcrest.core.IsEqual.equalTo;

@RunWith(AndroidJUnit4.class)
public class ReferFriendTest {
    private final ActivityTestRule<DashboardActivity> activityTestRule = new IntentsTestRule<>(DashboardActivity.class, false, false);

    @Rule
    public TestRule chain = RuleChain.emptyRuleChain()
            .around(new CleanAppData())
            .around(new ExternalResource() {
                @Override
                protected void before() throws Throwable {
                    AppStateUtils.setAuthenticated();
                }
            })
            .around(activityTestRule);


    @Test
    public void withNetpulse() {
        MockReferralApi.myReferral = Referral.netpulse();
        activityTestRule.launchActivity(null);

        onView(withText(R.string.title_refer_friend)).perform(click());

        intended(hasComponent(equalTo(new ComponentName(getTargetContext(), ReferFriendExtActivity.class))));
    }

    @Test
    public void withExternalUrl() {
        MockReferralApi.myReferral = Referral.external("https://www.genymotion.com/#!/");
        activityTestRule.launchActivity(null);

        onView(withText(R.string.title_refer_friend)).perform(click());

        intended(hasComponent(equalTo(new ComponentName(getTargetContext(), WebViewActivity.class))));
    }

    @Test
    public void withPerkVille() {
        MockReferralApi.myReferral = Referral.perkVille();
        activityTestRule.launchActivity(null);

        onView(withText(R.string.title_refer_friend)).perform(click());

        intended(hasComponent(equalTo(new ComponentName(getTargetContext(), ReferFriendActivity.class))));
    }

    @Test
    public void withNull() {
        MockReferralApi.myReferral = null;
        activityTestRule.launchActivity(null);

        onView(withText(R.string.title_refer_friend)).perform(click());

        onView(withText(R.string.sorry_no_refer_friend_feature)).inRoot(new ToastMatcher()).perform(click());
    }


}