Espresso - How can I check if an activity is launched after performing a certain action?

android android-activity android-espresso
user2062024 picture user2062024 · Sep 23, 2014 · Viewed 45.4k times · Source

the following is one of my Espresso test cases.

    public void testLoginAttempt() {
        Espresso.onView(ViewMatchers.withId(R.id.username)).perform(ViewActions.clearText()).perform(ViewActions.typeText("[email protected]"));
        Espresso.onView(ViewMatchers.withId(R.id.username)).perform(ViewActions.clearText()).perform(ViewActions.typeText("invalidpassword"));

        Espresso.onView(ViewMatchers.withId(R.id.login_button)).perform(ViewActions.click());
        // AFTER CLICKING THE BUTTON, A NEW ACTIVITY WILL POP UP.
        // Clicking launches a new activity that shows the text entered above. You don't need to do
        // anything special to handle the activity transitions. Espresso takes care of waiting for the
        // new activity to be resumed and its view hierarchy to be laid out.
        Espresso.onView(ViewMatchers.withId(R.id.action_logout))
                .check(ViewAssertions.matches(not(ViewMatchers.isDisplayed())));

    }

Currently what I did was to check if a view in the new activity (R.id.action_logout) is visibible or not. If visible, I will assume tha the activity opened successfully. But it doesn't seem to work as I expected. Is there a better way to check if a new activity is successfully launched instead of checking a view in that activity is visible? Thanks

Answer

baskara picture baskara · Mar 8, 2016

You can use:

intended(hasComponent(YourExpectedActivity.class.getName()));

Requires this gradle entry:

androidTestCompile ("com.android.support.test.espresso:espresso-intents:$espressoVersion")

The import for the intended() and hasComponent()

import static android.support.test.espresso.intent.Intents.intended;
import static android.support.test.espresso.intent.matcher.IntentMatchers.hasComponent;

as mentioned by Shubam Gupta please remember to call Intents.init() before calling intended(). You can eventually call it in the @Before method.

Related questions

Espresso how to test if Activity is finished?

I want to assert that my Acitivty that I am currently testing is finished when certain actions are performed. Unfortunately so far I am only to assert it by adding some sleep at the end of the test. Is there …

Read More
How to check expected intent sent without actually launching activity in Espresso?

I have a UI test which clicks a button, and then launch a new Activity in its onClickListener. The test checks whether expected intent is sent or not. My problem is, I want to test whether expected intent is sent …

Read More
How do I pass data between Activities in Android application?

I have a scenario where, after logging in through a login page, there will be a sign-out button on each activity. On clicking sign-out, I will be passing the session id of the signed in user to sign-out. Can anyone …

Read More