如果在登录后推出了新的活动,那么我知道一切都正常。我试图实现这个,但我现在得到了
dropcols.py
这是我的测试类:
dropcols.pyw
我在之前的问题中发现这行代码应该对我有所帮助,但是这一行产生了NullPointer。
意图(hasComponent(MainActivity.class java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.test.espresso.intent.Intents.internalIntended(org.hamcrest.Matcher, android.support.test.espresso.intent.VerificationMode, java.util.List)' on a null object reference
的getName())。);
我该如何解决这个问题?我做错了什么?
这是完整的堆栈跟踪:
import android.support.test.rule.ActivityTestRule;
import android.support.test.runner.AndroidJUnit4;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import static android.support.test.espresso.Espresso.onView;
import static android.support.test.espresso.action.ViewActions.click;
import static android.support.test.espresso.action.ViewActions.typeText;
import static android.support.test.espresso.intent.Intents.intended;
import static android.support.test.espresso.intent.matcher.IntentMatchers.hasComponent;
import static android.support.test.espresso.matcher.ViewMatchers.withId;
@RunWith(AndroidJUnit4.class)
public class LoginActivityTest {
@Rule
public ActivityTestRule<LoginActivity> mLoginActivityActivityTestRule =
new ActivityTestRule<>(LoginActivity.class);
@Test
public void clickLoginButton_ShowsSnackBarRightCredentials() throws Exception {
onView(withId(R.id.login_email)).perform(typeText("a@aa.aa"));
onView(withId(R.id.login_password)).perform(typeText("11111111"));
onView(withId(R.id.email_sign_in_button)).perform(click());
intended(hasComponent(MainActivity.class.getName()));
}
}
答案 0 :(得分:17)
Lefteris&#39;解决方案或此代码有效:
intended(hasComponent(MainActivity.class.getName()));
但是不要忘记将ActivityTestRule
更改为IntentsTestRule
。
@Rule
public IntentsTestRule<LoginActivity> mLoginActivityActivityTestRule =
new IntentsTestRule<>(LoginActivity.class);
答案 1 :(得分:3)
那么解决方案就是这样检查:
intended(hasComponent(new ComponentName(getTargetContext(), MainActivity.class)));