Android Kotlin插装测试在调用finish()启动另一个活动后是否结束/完成一个活动
我正在使用Kotlin开发一个Android应用程序。我正在我的项目中添加检测测试。现在,我正在努力测试一个活动是否在启动另一个活动后未打开。这是我的设想 我有一个启动后勤活动的主要活动 这是主要活动的代码Android Kotlin插装测试在调用finish()启动另一个活动后是否结束/完成一个活动,android,kotlin,android-activity,instrumented-test,Android,Kotlin,Android Activity,Instrumented Test,我正在使用Kotlin开发一个Android应用程序。我正在我的项目中添加检测测试。现在,我正在努力测试一个活动是否在启动另一个活动后未打开。这是我的设想 我有一个启动后勤活动的主要活动 这是主要活动的代码 class MainActivity : AppCompatActivity() { companion object { val LAUNCH_DELAY: Long = 2000 } override fun onCreate(savedIns
class MainActivity : AppCompatActivity() {
companion object {
val LAUNCH_DELAY: Long = 2000
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
Handler().postDelayed({
this.startLoginActivity()
finish() //please, pay attention here
}, LAUNCH_DELAY)
}
protected fun startLoginActivity()
{
startActivity(Intent(this, LoginActivity::class.java))
}
}
正如您在上面的代码中所看到的,我调用finish()方法在启动LoginActivity后终止活动。我想测试主活动启动的登录活动中是否按下了“后退”按钮,应用程序是否关闭且不返回主活动
这是我的测试课
@RunWith(AndroidJUnit4::class)
class MainActivityTest {
@Rule @JvmField
val mainActivityRule: ActivityTestRule<MainActivity> = ActivityTestRule<MainActivity>(MainActivity::class.java)
@Rule @JvmField
val loginActivityRule: ActivityTestRule<LoginActivity> = ActivityTestRule<LoginActivity>(LoginActivity::class.java)
@Before
fun setUp() {
}
@Test
fun mainActivityHistoryIsForgottenAfterStartingLoginActivity()
{
Intents.init()
Thread.sleep(MainActivity.LAUNCH_DELAY);
Intents.release()
pressBack()
//here how can I assert if the main activity is not open.
}
}
@RunWith(AndroidJUnit4::class)
类维护活动测试{
@规则@JvmField
val mainActivityRule:ActivityTestRule=ActivityTestRule(MainActivity::class.java)
@规则@JvmField
val loginActivityRule:ActivityTestRule=ActivityTestRule(LoginActivity::class.java)
@以前
趣味设置(){
}
@试验
fun Main Activity History ForgottenaAfter StartingLoginActivity()
{
Intents.init()
线程睡眠(MainActivity.LAUNCH\u延迟);
意图.释放()
回按()
//在这里,我如何断言主活动是否未打开。
}
}
请注意代码中的注释。我喜欢断言当登录活动中按下后退按钮时,主活动是否未打开,或者它是否没有返回到主活动。如何测试它?既然您想测试应用程序的高级交互,您应该使用 首先将库添加到
build.gradle
:
dependencies {
...
androidTestImplementation 'androidx.test.uiautomator:uiautomator:2.2.0'
}
然后编写如下测试:
@RunWith(AndroidJUnit4::class)
class MainActivityTest {
@get:Rule
val mainActivityRule = ActivityTestRule(MainActivity::class.java)
@Test
fun mainActivityHistoryIsForgottenAfterStartingLoginActivity()
{
// mainActivityRule makes sure MainActivity is launched, so we just need to wait
// for MainActivity to launch LoginActivity
Thread.sleep(MainActivity.LAUNCH_DELAY)
// Wait some more since the system is not instantaneous
Thread.sleep(1000)
// Now LoginActivity should be showing. Press the back button
val uiDevice = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation())
uiDevice.pressBack()
// Wait some more still since the system is not instantaneous
Thread.sleep(1000)
// Make sure that we have left our app, i.e. pressing back have closed our app
// BuildConfig.APPLICATION_ID is the package name of our app
// So if the currently active package (app) is NOT our own app, it means
// our own app was closed, which is what we want to test.
assertNotEquals(uiDevice.currentPackageName, BuildConfig.APPLICATION_ID)
}
}
请注意,您不应该有以下情况:
@Rule @JvmField
val loginActivityRule: ActivityTestRule<LoginActivity> = ActivityTestRule<LoginActivity>(LoginActivity::class.java)
到
你不需要任何东西
@Before
fun setUp() {
}
因为它是空的,什么也不做
@get:Rule
val mainActivityRule = ActivityTestRule(MainActivity::class.java)
@Before
fun setUp() {
}