Я разрабатываю приложение для Android с использованием языка программирования Kotlin.Я добавляю инструментальные тесты в свой проект.Теперь у меня проблема с тестированием, если действие запускается после задержки.Я использую Эспрессо для инструментальных тестов.
Это мой класс активности
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()
}, LAUNCH_DELAY)
}
protected fun startLoginActivity()
{
startActivity(Intent(this, LoginActivity::class.java))
}
}
Я попробовал это
@RunWith(AndroidJUnit4::class)
class MainActivityTest {
@Rule @JvmField
val mainActivityRule: ActivityTestRule<MainActivity> = ActivityTestRule<MainActivity>(MainActivity::class.java)
@Test
fun itStartsLoginActivityAfterDelay() {
Intents.init()
mainActivityRule.launchActivity(Intent())
Handler().postDelayed({
Intents.intended(hasComponent(LoginActivity::class.java.name))
Intents.release()
}, 2000);
}
}
Я получил эту ошибку
E/TestRunner: failed: itStartsLoginActivityAfterDelay(com.example.memento.MainActivityTest)
----- begin exception -----
E/TestRunner: java.lang.RuntimeException: Can't create handler inside thread Thread[Instr: com.example.memento.MockTestRunner,5,main] that has not called Looper.prepare()
at android.os.Handler.<init>(Handler.java:205)
at android.os.Handler.<init>(Handler.java:118)
at com.example.memento.MainActivityTest.itStartsLoginActivityAfterDelay(MainActivityTest.kt:37)
at java.lang.reflect.Method.invoke(Native Method)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at androidx.test.rule.ActivityTestRule$ActivityStatement.evaluate(ActivityTestRule.java:531)
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at androidx.test.runner.AndroidJUnit4.run(AndroidJUnit4.java:104)
at org.junit.runners.Suite.runChild(Suite.java:128)
at org.junit.runners.Suite.runChild(Suite.java:27)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at org.junit.runner.JUnitCore.run(JUnitCore.java:115)
at androidx.test.internal.runner.TestExecutor.execute(TestExecutor.java:56)
at androidx.test.runner.AndroidJUnitRunner.onStart(AndroidJUnitRunner.java:388)
at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:2145)
----- end exception -----
Я тоже попробовал это
@Test
fun itStartsLoginActivityAfterDelay() {
Intents.init()
mainActivityRule.launchActivity(Intent())
Thread.sleep(2000);
Intents.intended(hasComponent(LoginActivity::class.java.name))
Intents.release()
}
На этот раз я получил эту ошибку
E/TestRunner: failed: itStartsLoginActivityAfterDelay(com.example.memento.MainActivityTest)
E/TestRunner: ----- begin exception -----
E/TestRunner: androidx.test.espresso.base.DefaultFailureHandler$AssertionFailedWithCauseError: Wanted to match 1 intents. Actually matched 2 intents.
IntentMatcher: has component: has component with: class name: is "com.example.memento.LoginActivity" package name: an instance of java.lang.String short class name: an instance of java.lang.String
Matched intents:
-Intent { cmp=com.example.memento/.LoginActivity } handling packages:[[com.example.memento]])
-Intent { cmp=com.example.memento/.LoginActivity } handling packages:[[com.example.memento]])
Recorded intents:
-Intent { flg=0x10000000 cmp=com.example.memento/.MainActivity } handling packages:[[com.example.memento]])
-Intent { cmp=com.example.memento/.LoginActivity } handling packages:[[com.example.memento]])
-Intent { cmp=com.example.memento/.LoginActivity } handling packages:[[com.example.memento]])
at dalvik.system.VMStack.getThreadStackTrace(Native Method)
at java.lang.Thread.getStackTrace(Thread.java:1538)
at androidx.test.espresso.base.DefaultFailureHandler.getUserFriendlyError(DefaultFailureHandler.java:94)
at androidx.test.espresso.base.DefaultFailureHandler.handle(DefaultFailureHandler.java:57)
at androidx.test.espresso.ViewInteraction.waitForAndHandleInteractionResults(ViewInteraction.java:318)
at androidx.test.espresso.ViewInteraction.check(ViewInteraction.java:300)
at androidx.test.espresso.intent.Intents.intended(Intents.java:189)
at androidx.test.espresso.intent.Intents.intended(Intents.java:170)
at com.example.memento.MainActivityTest.itStartsLoginActivityAfterDelay(MainActivityTest.kt:47)
at java.lang.reflect.Method.invoke(Native Method)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at androidx.test.internal.runner.junit4.statement.RunBefores.evaluate(RunBefores.java:80)
at androidx.test.rule.ActivityTestRule$ActivityStatement.evaluate(ActivityTestRule.java:531)
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at androidx.test.runner.AndroidJUnit4.run(AndroidJUnit4.java:104)
at org.junit.runners.Suite.runChild(Suite.java:128)
at org.junit.runners.Suite.runChild(Suite.java:27)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at org.junit.runner.JUnitCore.run(JUnitCore.java:115)
at androidx.test.internal.runner.TestExecutor.execute(TestExecutor.java:56)
at androidx.test.runner.AndroidJUnitRunner.onStart(AndroidJUnitRunner.java:388)
at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:2145)
Caused by: junit.framework.AssertionFailedError: Wanted to match 1 intents. Actually matched 2 intents.
IntentMatcher: has component: has component with: class name: is "com.example.memento.LoginActivity" package name: an instance of java.lang.String short class nam
----- end exception -----
I/TestRunner: finished: itStartsLoginActivityAfterDelay(com.example.memento.MainActivityTest)
I/MonitoringInstr: Activities that are still in CREATED to STOPPED: 4
Finishing activity: com.example.memento.LoginActivity@97c0733
I/MonitoringInstr: Finishing activity: com.example.memento.LoginActivity@65a941b
I/MonitoringInstr: Finishing activity: com.example.memento.MainActivity@39cc00e
androidx.test.espresso.base.DefaultFailureHandler$AssertionFailedWithCauseError: Wanted to match 1 intents. Actually matched 2 intents.
IntentMatcher: has component: has component with: class name: is "com.example.memento.LoginActivity" package name: an instance of java.lang.String short class name: an instance of java.lang.String
Matched intents:
-Intent { cmp=com.example.memento/.LoginActivity } handling packages:[[com.example.memento]])
-Intent { cmp=com.example.memento/.LoginActivity } handling packages:[[com.example.memento]])
Recorded intents:
-Intent { flg=0x10000000 cmp=com.example.memento/.MainActivity } handling packages:[[com.example.memento]])
-Intent { cmp=com.example.memento/.LoginActivity } handling packages:[[com.example.memento]])
-Intent { cmp=com.example.memento/.LoginActivity } handling packages:[[com.example.memento]])
at dalvik.system.VMStack.getThreadStackTrace(Native Method)
at java.lang.Thread.getStackTrace(Thread.java:1538)
at androidx.test.espresso.base.DefaultFailureHandler.getUserFriendlyError(DefaultFailureHandler.java:94)
at androidx.test.espresso.base.DefaultFailureHandler.handle(DefaultFailureHandler.java:57)
at androidx.test.espresso.ViewInteraction.waitForAndHandleInteractionResults(ViewInteraction.java:318)
at androidx.test.espresso.ViewInteraction.check(ViewInteraction.java:300)
at androidx.test.espresso.intent.Intents.intended(Intents.java:189)
at androidx.test.espresso.intent.Intents.intended(Intents.java:170)
at com.example.memento.MainActivityTest.itStartsLoginActivityAfterDelay(MainActivityTest.kt:47)
at java.lang.reflect.Method.invoke(Native Method)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at androidx.test.internal.runner.junit4.statement.RunBefores.evaluate(RunBefores.java:80)
at androidx.test.rule.ActivityTestRule$ActivityStatement.evaluate(ActivityTestRule.java:531)
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at androidx.test.runner.AndroidJUnit4.run(AndroidJUnit4.java:104)
at org.junit.runners.Suite.runChild(Suite.java:128)
at org.junit.runners.Suite.runChild(Suite.java:27)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at org.junit.runner.JUnitCore.run(JUnitCore.java:115)
at androidx.test.internal.runner.TestExecutor.execute(TestExecutor.java:56)
at androidx.test.runner.AndroidJUnitRunner.onStart(AndroidJUnitRunner.java:388)
at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:2145)
Caused by: junit.framework.AssertionFailedError: Wanted to match 1 intents. Actually matched 2 intents.
IntentMatcher: has component: has component with: class name: is "com.example.memento.LoginActivity" package name: an instance of java.lang.String short class name: an instance of java.lang.String
Matched intents:
-Intent { cmp=com.example.memento/.LoginActivity } handling packages:[[com.example.memento]])
-Intent { cmp=com.example.memento/.LoginActivity } handling packages:[[com.example.memento]])
Recorded intents:
-Intent { flg=0x10000000 cmp=com.example.memento/.MainActivity } handling packages:[[com.example.memento]])
-Intent { cmp=com.example.memento/.LoginActivity } handling packages:[[com.example.memento]])
-Intent { cmp=com.example.memento/.LoginActivity } handling packages:[[com.example.memento]])
at junit.framework.Assert.fail(Assert.java:50)
at androidx.test.espresso.intent.VerificationModes$Times.verify(VerificationModes.java:80)
at androidx.test.espresso.intent.Intents.internalIntended(Intents.java:346)
at androidx.test.espresso.intent.Intents$2.check(Intents.java:193)
at androidx.test.espresso.ViewInteraction$SingleExecutionViewAssertion.check(ViewInteraction.java:419)
at androidx.test.espresso.ViewInteraction$2.call(ViewInteraction.java:282)
at androidx.test.espresso.ViewInteraction$2.call(ViewInteraction.java:268)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6669)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
Это тоже не работает.Как я могу проверить это?