UI Test Espresso - abdulmukit98/techshopJU GitHub Wiki
Gradle implementation
androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
androidTestImplementation 'androidx.test:runner:1.4.0'
androidTestImplementation 'androidx.test:rules:1.4.0'
androidTestImplementation 'androidx.test:core:1.4.0'
create out test class
- in mainActivity generate test class using JUnit4 and in Android Test package
Test function
- ActivityScenario is used for launch the activity that is going tobe tested
- onView() is used to check if a view is shown when the activity launch
@Test
public void test_MainActivity_isViewed()
{
ActivityScenario<MainActivity> scenario = ActivityScenario.launch(MainActivity.class);
onView(withId(R.id.mainLayout)).check(matches(isDisplayed()));
}
@Test
public void dimension_height_is_shown()
{
ActivityScenario<MainActivity> scenario = ActivityScenario.launch(MainActivity.class);
onView(withId(R.id.edtHeight)).check(matches(isDisplayed()));
}
Test case for checking string
@Test
public void is_orderPCB_textView_matches_givenString()
{
ActivityScenario<MainActivity> scenario = ActivityScenario.launch(MainActivity.class);
onView(withId(R.id.tvTitle)).check(matches(withText("Order PCB")));
}
Test case for checking inputType
@Test
public void test_isEditText_width_inputType_number()
{
ActivityScenario<MainActivity> scenario = ActivityScenario.launch(MainActivity.class);
onView(withId(R.id.edtHeight)).check(matches(withInputType(TYPE_CLASS_NUMBER)));
}
For Details Follow (https://www.youtube.com/watch?v=zJuFYqnBcgQ)