Robolectric 3.2.2获取影子类的实例?

时间:2017-02-28 08:44:30

标签: robolectric robolectric-gradle-plugin

我已经在我的Android应用程序上实现了MVP,我正在寻找创建测试脚本来测试基本行为功能。长话短说,有没有办法获得我创建的阴影对象的实例?

我希望能够告诉模拟模型对象在方法中返回什么,例如,当调用getGender()时,返回Male,但对于另一种方法,getGender()将返回Female。

我现在已经找到了它,但我很幸运,模型的设计。这是测试:

@RunWith(RobolectricTestRunner.class)
@Config(constants = BuildConfig.class, sdk = 22, shadows = { GenderPreferenceInteractorShaddow.class })
public class newPreferenceBehaviourTest {


    @Test
    public void clickingLogin_shouldStartLoginActivity() {
        NewPreferenceMobileActivityTest activity = Robolectric.setupActivity(NewPreferenceMobileActivityTest.class);
        activity.setGender(Gender.MALE);

        activity.findViewById(R.id.femaleImageButton).performClick();
        activity.findViewById(R.id.positiveButton).performClick();
    }


}

模型构造函数将上下文作为构造,因此我可以创建一个测试活动,它扩展了我想要测试的活动。

public class NewPreferenceMobileActivityTest extends NewPreferenceMobileActivity {
    public Gender getGender() {
        return gender;
    }

    public void setGender(Gender gender) {
        this.gender = gender;
    }

    private Gender gender;
}

这个新模型将包含我想要更改的值的getter和setter。在shadow对象的构造函数中,我可以将上下文转换为测试活动,然后模拟模型的getter可以返回我想要的内容:

@Implements(GenderPreferenceInteractor.class)
public class GenderPreferenceInteractorShaddow   {


    private  NewPreferenceMobileActivityTest newPreferenceMobileActivityTest;
    private GenderPreferenceMVP.onFinished onFinished;

    public void __constructor__ (Context context) {
        newPreferenceMobileActivityTest = (NewPreferenceMobileActivityTest) context;
    }

    @Implementation
    public void saveGender(Gender gender) {
        onFinished.onSaveSuccess(true);
    }

    @Implementation
    public Gender getGender()
    {
        return newPreferenceMobileActivityTest.getGender();
    }

}

编辑 - >不可能,但有一个解决方法。在GenderPreferenceInteractorShaddow类中,将引用传递回NewPreferenceMobileActivityTest类,我们引用该类。

public void __constructor__ (Context context) {
        newPreferenceMobileActivityTest = (NewPreferenceMobileActivityTest) context;
        newPreferenceMobileActivityTest.setGenderPreferenceInteractorShaddow(this);
    }


public class NewPreferenceMobileActivityTest extends NewPreferenceMobileActivity {

    private GenderPreferenceInteractorShaddow genderPreferenceInteractorShaddow;

    public ladenzeile.android.newPreference.GenderPreferenceInteractorShaddow getGenderPreferenceInteractorShaddow() {
        return genderPreferenceInteractorShaddow;
    }

    public void setGenderPreferenceInteractorShaddow(ladenzeile.android.newPreference.GenderPreferenceInteractorShaddow genderPreferenceInteractorShaddow) {
        this.genderPreferenceInteractorShaddow = genderPreferenceInteractorShaddow;

这样做的缺点是您需要将Gender变量设置为默认值

1 个答案:

答案 0 :(得分:2)

您可以像这样使用ShadowExtractor:

ThumbnailCard plCard = new ThumbnailCard()
{
           Title = "I'm a thumbnail card",
           Subtitle = "Pig Latin Wikipedia Page",
           Images = cardImages,
           Buttons = cardButtons
};