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Scenario:

  1. The user starts the app
  2. The user goes to the "CreateAccountActivity"
  3. In order to use the application the user has to enter the email and a password

  4. The user clicks "create" which switches to the next activity.

    @Test
public void createAccountAndLogIn() {
    onView(withId(R.id.login_create)).perform(click());
    onView(withId(R.id.create_email)).perform(clearText(),typeText("xxx@gmail.com"));
    onView(withId(R.id.create_pass)).perform(clearText(),typeText("pass"));
    onView(withId(R.id.create_pass_repeat)).perform(clearText(),typeText("pass"));
    onView(withId(R.id.create_create_button)).perform(click());
}

How to check, after the last line, if the new "MainActivity" was launched?

Michał
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3 Answers3

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You can control this defining a variable in Application class. When you define a variable in Application class , variable be protected until your app kill and you can reach this variable every class in project. I think it resolves your problem.

Kadir altınok
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  • You're right, but it is more like a "hack" than "solution". I was wondering if espresso supports this case. – Michał Feb 02 '16 at 14:50
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Have you tried using onResume() method as a quick hack in your MainActivity? Have a boolean variable which changes to true in onResume() and false in onPause().

Cheers, SSG

SSG
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  • I like to test it in a "blackbox" way - you're probably right, but this will not do the job for me. – Michał Feb 02 '16 at 14:51
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It is possible using ActivityLifecycleMonitor ... However it will not be a "black box" approach that you are looking for.

If you want to go full black box, asserting the view on the next activity should be sufficient enough to pass a test.

Here is the same question that has more detailed explanation.

Is there any way to know if an activity has been started with Espresso?

Community
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Be_Negative
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