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| @RunWith(AndroidJUnit4::class)//Be careful with the import here, do not import androidx.test.runner.AndroidJUnit4! You will need androidx.test.ext.junit.runners.AndroidJUnit4 | |
| @Config(sdk = [24], application = MyTestApplication::class) | |
| @LooperMode(LooperMode.Mode.PAUSED) | |
| class LoginActivityTest { | |
| private val robot = Robot() | |
| @Before | |
| fun setup() { | |
| robot.setup() | |
| } | |
| @After | |
| fun tearsDown() { | |
| robot.tearsDown() | |
| } | |
| @Test | |
| fun shouldDisplayPasswordLoginError() { | |
| RUN_UI_TEST(robot) { | |
| GIVEN { createLoginActivity() } | |
| WHEN { enterEmail(DataFactory.EMAIL) } | |
| AND { enterPassword(DataFactory.INVALID_PASSWORD) } | |
| AND { clickSubmitLogin() } | |
| THEN { checkSuccessfulLoginNotDisplayed() } | |
| THEN { checkPasswordErrorDisplayed() } | |
| } | |
| } | |
| @Test | |
| fun shouldDisplaySuccessfulLogin() { | |
| RUN_UI_TEST(robot) { | |
| GIVEN { createLoginActivity() } | |
| WHEN { enterEmail(DataFactory.EMAIL) } | |
| AND { enterPassword(DataFactory.VALID_PASSWORD) } | |
| AND { clickSubmitLogin() } | |
| THEN { checkSuccessfulLogin() } | |
| } | |
| } | |
| private class Robot: BaseRobot() { | |
| var activityScenario: ActivityScenario<LoginActivity>? = null | |
| override fun tearsDown() { | |
| activityScenario?.close() | |
| } | |
| fun createLoginActivity(args: Bundle? = null) { | |
| activityScenario = ActivityScenario.launch(LoginActivity::class.java, args) | |
| } | |
| fun enterEmail(someEmail: String) { | |
| Espresso.onView(ViewMatchers.withId(R.id.email)).perform(ViewActions.typeText(someEmail)) | |
| } | |
| fun enterPassword(somePassword: String) { | |
| Espresso.onView(ViewMatchers.withId(R.id.password)).perform(ViewActions.typeText(somePassword)) | |
| } | |
| fun clickSubmitLogin() { | |
| Espresso.onView(ViewMatchers.withId(R.id.sign_in_button)).perform(ViewActions.click()) | |
| } | |
| fun checkSuccessfulLogin() { | |
| Espresso.onView(ViewMatchers.withId(R.id.successful_login_text_view)).check(ViewAssertions.matches(ViewMatchers.isDisplayed())) | |
| } | |
| fun checkSuccessfulLoginNotDisplayed() { | |
| Espresso.onView(ViewMatchers.withId(R.id.successful_login_text_view)).check(ViewAssertions.matches(not(ViewMatchers.isDisplayed()))) | |
| } | |
| fun checkPasswordErrorDisplayed() { | |
| val expectedErrorMessage: String = InstrumentationRegistry.getInstrumentation().targetContext.getString(R.string.error_invalid_password) | |
| Espresso.onView(ViewMatchers.withId(R.id.password)).check(ViewAssertions.matches(ViewMatchers.hasErrorText(expectedErrorMessage))) | |
| } | |
| } | |
| } |
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