Need help to write a unit test using Mockito and JUnit4

Question

Need help to write a unit test for the below code using Mockito and JUnit4,

public class MyFragmentPresenterImpl { 
      public Boolean isValid(String value         


        

Answer 1

You should use Robolectric:

testImplementation "org.robolectric:robolectric:3.4.2"

And then

@RunWith(RobolectricTestRunner::class)
class TestClass {
    ...
}