I have the following situation.
My activity has a fragment that depends of a Serializable Object. Here is my onCreate:
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
MyObject myObj = (MyObj) getIntent().getSerializableExtra("myobj");
if(myObj != null) {
FragmentManager manager = getSupportFragmentManager();
FragmentTransaction transaction = manager.beginTransaction();
transaction.add(R.id.container, MyFragment.newInstance(myObj));
transaction.commit();
}
}
But in my Espresso test I simply can't pass the intent to the activity before it's created. I tried with setActivityIntent in several ways but cant figure out how to make it work.
Here is my last attempt:
import android.content.Intent;
import android.support.test.InstrumentationRegistry;
import android.support.test.espresso.Espresso;
import android.test.ActivityInstrumentationTestCase2;
import org.junit.Before;
import static android.support.test.espresso.assertion.ViewAssertions.matches;
import static android.support.test.espresso.matcher.ViewMatchers.withId;
import static android.support.test.espresso.matcher.ViewMatchers.withText;
public class MyActivityTest extends
ActivityInstrumentationTestCase2<MyActivity> {
private MyActivity activity;
private MyObject myObj;
public MyActivityTest() {
super(MyActivity.class);
}
@Before
protected void setUp() throws Exception {
super.setUp();
injectInstrumentation(InstrumentationRegistry.getInstrumentation());
myObj = MyObject.mockObject();
Intent i = new Intent();
i.putExtra("myobj", myObj);
setActivityIntent(i);
}
public void testName(){
Espresso.onView(withId(R.id.name)).check(matches(withText(myObj.getObjName())));
}
}
I've searched a lot but nothing works. MyObject
is always null in the test. I think this should be simple. What am I'm missing?
You can define the Intent to be used in this way
@RunWith(AndroidJUnit4.class)
public class MyActivityTestTest {
private MyObject myObj;
@Rule
// third parameter is set to false which means the activity is not started automatically
public ActivityTestRule<MyActivity> mActivityRule =
new ActivityTestRule<>(MyActivity.class, false, false);
@Test
public void testName() {
myObj = MyObject.mockObject();
Intent i = new Intent();
i.putExtra("myobj", myObj);
mActivityRule.launchActivity(i);
//...
}
}