I am try to write a simple test for the below scenario:
On my main activity I have a button (with id validationButton) and when users clicks on it starts a new activity (specific ValidationActivity). So I want to test that when user click the button validation activity is going to start. My code is this:
@RunWith(AndroidJUnit4::class)
@Config(sdk = [Build.VERSION_CODES.P])
class MainActivityTest {
@get:Rule
val activityScenarioRule = ActivityScenarioRule(MainActivity::class.java)
@Before
fun intentsInit() {
launch(MainActivity::class.java)
Intents.init()
}
@After
fun intentsTearDown() {
Intents.release();
}
@Test
fun click_start_validation_should_go_to_validation_screen() {
val mockContext = mock(Context::class.java)
//val scenario = launch(MainActivity::class.java)
onView(withId(R.id.validationButton)).perform(click())
assertThat(getIntents().first()).hasComponentClass(ValidationActivity::class.java)
}
}
When i run it, test fails with these logs:
java.lang.NoSuchMethodError: androidx.test.internal.platform.util.TestOutputEmitter.addOutputProperties(Ljava/util/Map;)Z
at androidx.test.espresso.GraphHolder.baseLayer(GraphHolder.java:12)
at androidx.test.espresso.Espresso.<clinit>(Espresso.java:2)
at mobile.personaldemo.MainActivityTest.click_start_validation_should_go_to_validation_screen(MainActivityTest.kt:54)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
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 org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
at org.robolectric.RobolectricTestRunner$HelperTestRunner$1.evaluate(RobolectricTestRunner.java:575)
at org.robolectric.internal.SandboxTestRunner$2.lambda$evaluate$0(SandboxTestRunner.java:263)
at org.robolectric.internal.bytecode.Sandbox.lambda$runOnMainThread$0(Sandbox.java:89)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
What am I missing? Any help will be appreciated.