say Hellow

/**
 2  * Created by GuYin on 2017/3/15.
 3  */
 4 @RunWith(AndroidJUnit4.class)
 5 @LargeTest
 6 public class MainTest {
 7     private static final String STRING_TO_BE_TYPED = "peter";
 8 
 9 @Rule
10 public ActivityTestRule mainActivityRule = new ActivityTestRule<>(MainActivity.class);
11 
12     @Test
13     public void sayHello(){
14         onView(withId(R.id.name)).perform(typeText(STRING_TO_BE_TYPED), ViewActions.closeSoftKeyboard());
15         onView(withText("SAY HELLO")).perform(click());
16         String expectedText = "Hello,"+STRING_TO_BE_TYPED+"!";
17         onView(withId(R.id.text)).check(matches(withText(expectedText)));
18     }
19 }