android - android studio 中的 Espresso 测试

Question

可以在应用程序代码之外的 android studio 中编写 Espresso 测试吗？我在 Espresso 文档中读到可以使用 espresso 创建黑盒测试，但我不知道该怎么做

Answer 1

使用以下依赖项创建一个单独的项目:

compile 'com.android.support.test.espresso:espresso-core:2.2.2'
compile 'com.android.support.test:runner:0.5'
compile 'junit:junit:4.12'

我使用这个 list

<?xml version="1.0" encoding="utf-8"?>
<manifest package="com.test.test"xmlns:android="http://schemas.android.com/apk/res/android">

    <instrumentation
        android:name="android.support.test.runner.AndroidJUnitRunner"
        android:targetPackage="com.imc.imc" >
    <instrumentation>

 </manifest>

我在 src/main/java/com.test.test 中创建了一个名为 MainActivityTest 的新类

public class MainActivityTest {


    @Rule
    public ActivityTestRule<?> mActivityRule = newActivityTestRule("com.imc.imc.MainActivity");

    @NonNull
    private ActivityTestRule newActivityTestRule(String className) {
        return new ActivityTestRule(activityClass(className));
    }

    private static Class<? extends Activity> activityClass(String className) {
        try {
            return (Class<? extends Activity>) Class.forName(className);
        } catch (ClassNotFoundException e) {
            throw new RuntimeException(e);
        }
    }
private static int getId(String id) {
    Context targetContext = InstrumentationRegistry.getTargetContext();
    String packageName = targetContext.getPackageName();
    return targetContext.getResources().getIdentifier(id, "id", packageName);
}

    @Test
    public void mytest() {
        onView(withId(getId("button"))).perform(click());;
    }


}

但它不起作用!!!!!