Question

我正在根据mvp模式为app编写mockito测试。以下是登录活动的代码

public class ClassThatNeedsABetterName<T> : List<T>
    where T : A, I
{ }

我在编写检查时遇到问题public class LoginActivity extends AppCompatActivity implements LoginContract.ILoginView{ presenter = new LoginPresenter(this); @Override public void startMoviesActivity() { startActivity(new Intent(this, MoviesActivity.class)); } } public class LoginContract { public interface ILoginView { ... void startMoviesActivity(); } public interface ILoginService { interface OnLoginFinishedListener { void onLoginSuccess(); void onLoginFailure(); } void login(String username, String password, OnLoginFinishedListener listener); } } public class LoginPresenter implements LoginContract.ILoginService.OnLoginFinishedListener { private LoginContract.ILoginView view; private LoginContract.ILoginService service; public LoginPresenter(LoginContract.ILoginView view) { this.view = view; service = new LoginService(); } public void validateCredentials(String email, String password) { if(email.isEmpty()){ view.setEmailEmptyError(R.string.error_email_empty); return; } if(password.isEmpty()){ view.setPasswordEmptyError(R.string.error_password_empty); return; } view.showProgressDialog(); service.login(email,password,this); } @Override public void onLoginSuccess() { view.hideProgressDialog(); view.startMoviesActivity(); } @Override public void onLoginFailure() { view.hideProgressDialog(); view.showUnsuccessfulLoginError(R.string.error_login_unsuccessful); } } public class LoginService implements LoginContract.ILoginService { @Override public void login(String username, String password, final OnLoginFinishedListener listener) { // Contains REST API which calls listener.onLoginSuccess() on valid credentials and listener.onLoginFailure on invalid. } }＆amp;由于我使用接口的方式，onLoginSuccess()类中的onLoginFailure()。当致电LoginPresenter时，它应该返回service.login(email,password,this);中对这些方法的调用，而LoginPresenter中的startMoviesActivity()方法会调用LoginActivity方法。我是模拟的初学者......如果你能提供帮助的话。谢谢。

Answer 1

在下面找到一些使用mockito为您的代码编写的测试，这些我在我的机器上测试过的情况。但是，为了测试android，我更喜欢使用Robolectric（http://robolectric.org/），它基本上是为Android UI单元测试设计的，并且它是良好的w.r.t代码覆盖观点。与mockito相比，覆盖率更高。

import org.junit.Before;
import org.junit.Test;
import org.powermock.core.classloader.annotations.PrepareForTest;

import static org.mockito.Mockito.doCallRealMethod;
import static org.mockito.Mockito.mock;

@PrepareForTest(LoginActivity.class)
public class LoginActivityTest {

    private LoginActivity loginActivity;
    @Before
    public void setUp()
    {
        loginActivity = mock(LoginActivity.class);
        doCallRealMethod().when(loginActivity).startMoviesActivity();
    }
    @Test
    public void testStartMovies()
    {
        loginActivity.startMoviesActivity();
    }
}


import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;

    import static org.mockito.Mockito.doCallRealMethod;
    import static org.mockito.Mockito.mock;
    import static org.mockito.Mockito.when;

    @PrepareForTest(LoginPresenter.class)
    public class LoginPresenterTest {

        private LoginPresenter loginPresenter;

        @Before
        public void setUp() {
            loginPresenter = mock(LoginPresenter.class);
            doCallRealMethod().when(loginPresenter).onLoginSuccess();
            doCallRealMethod().when(loginPresenter).onLoginFailure();
        }

        @Test
        public void testLoginSuccess()
        {
            loginPresenter.onLoginSuccess();
            loginPresenter.onLoginSuccess();
        }
        @Test
        public void testLoginFailure()
        {
            loginPresenter.onLoginFailure();
        }
    }

单元测试 - 如何模拟听众

1 个答案: