Fix part of #5663: Remove json lesson files

app/src/sharedTest/java/org/oppia/android/app/player/audio/AudioViewModelTest.kt

@@ -0,0 +1,304 @@
+package org.oppia.android.app.player.audio
+
+import android.app.Application
+import android.content.Context
+import androidx.appcompat.app.AppCompatActivity
+import androidx.test.core.app.ActivityScenario
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.google.common.truth.Truth.assertThat
+import dagger.Component
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mockito.mock
+import org.oppia.android.app.activity.ActivityComponent
+import org.oppia.android.app.activity.ActivityComponentFactory
+import org.oppia.android.app.activity.route.ActivityRouterModule
+import org.oppia.android.app.application.ApplicationComponent
+import org.oppia.android.app.application.ApplicationInjector
+import org.oppia.android.app.application.ApplicationInjectorProvider
+import org.oppia.android.app.application.ApplicationModule
+import org.oppia.android.app.application.ApplicationStartupListenerModule
+import org.oppia.android.app.application.testing.TestingBuildFlavorModule
+import org.oppia.android.app.devoptions.DeveloperOptionsModule
+import org.oppia.android.app.devoptions.DeveloperOptionsStarterModule
+import org.oppia.android.app.model.State
+import org.oppia.android.app.model.Voiceover
+import org.oppia.android.app.model.VoiceoverMapping
+import org.oppia.android.app.player.state.itemviewmodel.SplitScreenInteractionModule
+import org.oppia.android.app.shim.IntentFactoryShimModule
+import org.oppia.android.app.shim.ViewBindingShimModule
+import org.oppia.android.app.testing.AudioFragmentTestActivity
+import org.oppia.android.app.translation.AppLanguageResourceHandler
+import org.oppia.android.app.translation.testing.ActivityRecreatorTestModule
+import org.oppia.android.data.backends.gae.NetworkConfigProdModule
+import org.oppia.android.data.backends.gae.RetrofitModule
+import org.oppia.android.data.backends.gae.RetrofitServiceModule
+import org.oppia.android.domain.audio.AudioPlayerController
+import org.oppia.android.domain.classify.InteractionsModule
+import org.oppia.android.domain.classify.rules.algebraicexpressioninput.AlgebraicExpressionInputModule
+import org.oppia.android.domain.classify.rules.continueinteraction.ContinueModule
+import org.oppia.android.domain.classify.rules.dragAndDropSortInput.DragDropSortInputModule
+import org.oppia.android.domain.classify.rules.fractioninput.FractionInputModule
+import org.oppia.android.domain.classify.rules.imageClickInput.ImageClickInputModule
+import org.oppia.android.domain.classify.rules.itemselectioninput.ItemSelectionInputModule
+import org.oppia.android.domain.classify.rules.mathequationinput.MathEquationInputModule
+import org.oppia.android.domain.classify.rules.multiplechoiceinput.MultipleChoiceInputModule
+import org.oppia.android.domain.classify.rules.numberwithunits.NumberWithUnitsRuleModule
+import org.oppia.android.domain.classify.rules.numericexpressioninput.NumericExpressionInputModule
+import org.oppia.android.domain.classify.rules.numericinput.NumericInputRuleModule
+import org.oppia.android.domain.classify.rules.ratioinput.RatioInputModule
+import org.oppia.android.domain.classify.rules.textinput.TextInputRuleModule
+import org.oppia.android.domain.exploration.ExplorationProgressModule
+import org.oppia.android.domain.exploration.ExplorationStorageModule
+import org.oppia.android.domain.hintsandsolution.HintsAndSolutionConfigModule
+import org.oppia.android.domain.hintsandsolution.HintsAndSolutionProdModule
+import org.oppia.android.domain.onboarding.ExpirationMetaDataRetrieverModule
+import org.oppia.android.domain.oppialogger.LogStorageModule
+import org.oppia.android.domain.oppialogger.LoggingIdentifierModule
+import org.oppia.android.domain.oppialogger.analytics.ApplicationLifecycleModule
+import org.oppia.android.domain.oppialogger.analytics.CpuPerformanceSnapshotterModule
+import org.oppia.android.domain.oppialogger.logscheduler.MetricLogSchedulerModule
+import org.oppia.android.domain.oppialogger.loguploader.LogReportWorkerModule
+import org.oppia.android.domain.platformparameter.PlatformParameterSingletonModule
+import org.oppia.android.domain.question.QuestionModule
+import org.oppia.android.domain.workmanager.WorkManagerConfigurationModule
+import org.oppia.android.testing.OppiaTestRule
+import org.oppia.android.testing.TestLogReportingModule
+import org.oppia.android.testing.firebase.TestAuthenticationModule
+import org.oppia.android.testing.junit.InitializeDefaultLocaleRule
+import org.oppia.android.testing.platformparameter.TestPlatformParameterModule
+import org.oppia.android.testing.robolectric.RobolectricModule
+import org.oppia.android.testing.threading.TestCoroutineDispatchers
+import org.oppia.android.testing.threading.TestDispatcherModule
+import org.oppia.android.testing.time.FakeOppiaClockModule
+import org.oppia.android.util.accessibility.AccessibilityTestModule
+import org.oppia.android.util.caching.AssetModule
+import org.oppia.android.util.caching.testing.CachingTestModule
+import org.oppia.android.util.gcsresource.DefaultResourceBucketName
+import org.oppia.android.util.gcsresource.GcsResourceModule
+import org.oppia.android.util.locale.LocaleProdModule
+import org.oppia.android.util.locale.OppiaLocale
+import org.oppia.android.util.logging.LoggerModule
+import org.oppia.android.util.logging.SyncStatusModule
+import org.oppia.android.util.logging.firebase.FirebaseLogUploaderModule
+import org.oppia.android.util.networking.NetworkConnectionDebugUtilModule
+import org.oppia.android.util.networking.NetworkConnectionUtilDebugModule
+import org.oppia.android.util.parser.html.HtmlParserEntityTypeModule
+import org.oppia.android.util.parser.image.GlideImageLoaderModule
+import org.oppia.android.util.parser.image.ImageParsingModule
+import org.robolectric.annotation.Config
+import org.robolectric.annotation.LooperMode
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/** Tests for [AudioViewModel]. */
+@RunWith(AndroidJUnit4::class)
+@LooperMode(LooperMode.Mode.PAUSED)
+@Config(
+  application = AudioViewModelTest.TestApplication::class,
+  manifest = Config.NONE
+)
+class AudioViewModelTest {
+  @get:Rule
+  val initializeDefaultLocaleRule = InitializeDefaultLocaleRule()
+
+  @get:Rule
+  val oppiaTestRule = OppiaTestRule()
+
+  @Inject
+  lateinit var context: Context
+
+  @Inject
+  lateinit var testCoroutineDispatchers: TestCoroutineDispatchers
+
+  @Inject
+  lateinit var machineLocale: OppiaLocale.MachineLocale
+
+  @Inject
+  lateinit var resourceHandler: AppLanguageResourceHandler
+
+  @Inject
+  @DefaultResourceBucketName
+  lateinit var gcsResource: String
+
+  @Before
+  fun setUp() {
+    setUpTestApplicationComponent()
+  }
+
+  @Test
+  fun testAudioViewModel_withUnsupportedLanguage_selectedLanguageUnavailableIsTrue() {
+    ActivityScenario.launch<AudioFragmentTestActivity>(
+      AudioFragmentTestActivity.createAudioFragmentTestActivity(context, profileId = 1)
+    ).use { activityScenario ->
+      activityScenario.onActivity { activity ->
+        val audioViewModel = createAudioViewModel()
+        val state = State.newBuilder()
+          .putRecordedVoiceovers("content", VoiceoverMapping.newBuilder()
+            .putVoiceoverMapping("en", Voiceover.newBuilder().setFileName("en.mp3").build())
+            .build())
+          .build()
+        audioViewModel.setStateAndExplorationId(state, "exp_id")
+        audioViewModel.selectedLanguageCode = "hi" // Not in voiceovers
+
+        audioViewModel.loadMainContentAudio(allowAutoPlay = false, reloadingContent = false)
+
+        assertThat(audioViewModel.selectedLanguageUnavailable.get()).isTrue()
+      }
+    }
+  }
+
+  @Test
+  fun testAudioViewModel_withSupportedLanguage_selectedLanguageUnavailableIsFalse() {
+    ActivityScenario.launch<AudioFragmentTestActivity>(
+      AudioFragmentTestActivity.createAudioFragmentTestActivity(context, profileId = 1)
+    ).use { activityScenario ->
+      activityScenario.onActivity { activity ->
+        val audioViewModel = createAudioViewModel()
+        val state = State.newBuilder()
+          .putRecordedVoiceovers("content", VoiceoverMapping.newBuilder()
+            .putVoiceoverMapping("en", Voiceover.newBuilder().setFileName("en.mp3").build())
+            .build())
+          .build()
+        audioViewModel.setStateAndExplorationId(state, "exp_id")
+        audioViewModel.selectedLanguageCode = "en"
+
+        audioViewModel.loadMainContentAudio(allowAutoPlay = false, reloadingContent = false)
+
+        assertThat(audioViewModel.selectedLanguageUnavailable.get()).isFalse()
+      }
+    }
+  }
+
+  @Test
+  fun testAudioViewModel_withDifferentLocale_displaysLocalizedLanguageName() {
+    ActivityScenario.launch<AudioFragmentTestActivity>(
+      AudioFragmentTestActivity.createAudioFragmentTestActivity(context, profileId = 1)
+    ).use { activityScenario ->
+      activityScenario.onActivity { activity ->
+        val audioViewModel = createAudioViewModel()
+        val state = State.newBuilder()
+          .putRecordedVoiceovers("content", VoiceoverMapping.newBuilder()
+            .putVoiceoverMapping("hi", Voiceover.newBuilder().setFileName("hi.mp3").build())
+            .build())
+          .build()
+        audioViewModel.setStateAndExplorationId(state, "exp_id")
+        audioViewModel.selectedLanguageCode = "hi"
+
+        audioViewModel.loadMainContentAudio(allowAutoPlay = false, reloadingContent = false)
+
+        // Locale("hi").getDisplayLanguage(Locale("hi")) should give the localized name "हिन्दी".
+        assertThat(audioViewModel.selectedLanguageName.get()).isEqualTo("हिन्दी")
+      }
+    }
+  }
+
+  private fun createAudioViewModel(): AudioViewModel {
+    return AudioViewModel(
+      mock(AudioPlayerController::class.java),
+      gcsResource,
+      machineLocale,
+      resourceHandler
+    )
+  }
+
+  private fun setUpTestApplicationComponent() {
+    ApplicationProvider.getApplicationContext<TestApplication>().inject(this)
+  }
+
+  // TODO(#59): Figure out a way to reuse modules instead of needing to re-declare them.
+  @Singleton
+  @Component(
+    modules = [
+      AccessibilityTestModule::class,
+      ActivityRecreatorTestModule::class,
+      ActivityRouterModule::class,
+      AlgebraicExpressionInputModule::class,
+      ApplicationLifecycleModule::class,
+      ApplicationModule::class,
+      ApplicationStartupListenerModule::class,
+      AssetModule::class,
+      CachingTestModule::class,
+      ContinueModule::class,
+      CpuPerformanceSnapshotterModule::class,
+      DeveloperOptionsModule::class,
+      DeveloperOptionsStarterModule::class,
+      DragDropSortInputModule::class,
+      ExpirationMetaDataRetrieverModule::class,
+      ExplorationProgressModule::class,
+      ExplorationStorageModule::class,
+      FakeOppiaClockModule::class,
+      FirebaseLogUploaderModule::class,
+      FractionInputModule::class,
+      GcsResourceModule::class,
+      GlideImageLoaderModule::class,
+      HintsAndSolutionConfigModule::class,
+      HintsAndSolutionProdModule::class,
+      HtmlParserEntityTypeModule::class,
+      ImageClickInputModule::class,
+      ImageParsingModule::class,
+      IntentFactoryShimModule::class,
+      InteractionsModule::class,
+      ItemSelectionInputModule::class,
+      LocaleProdModule::class,
+      LogReportWorkerModule::class,
+      LogStorageModule::class,
+      LoggerModule::class,
+      LoggingIdentifierModule::class,
+      MathEquationInputModule::class,
+      MetricLogSchedulerModule::class,
+      MultipleChoiceInputModule::class,
+      NetworkConfigProdModule::class,
+      NetworkConnectionDebugUtilModule::class,
+      NetworkConnectionUtilDebugModule::class,
+      NumberWithUnitsRuleModule::class,
+      NumericExpressionInputModule::class,
+      NumericInputRuleModule::class,
+      TestPlatformParameterModule::class,
+      PlatformParameterSingletonModule::class,
+      QuestionModule::class,
+      RatioInputModule::class,
+      RetrofitModule::class,
+      RetrofitServiceModule::class,
+      RobolectricModule::class,
+      SplitScreenInteractionModule::class,
+      SyncStatusModule::class,
+      TestAuthenticationModule::class,
+      TestDispatcherModule::class,
+      TestLogReportingModule::class,
+      TestingBuildFlavorModule::class,
+      TextInputRuleModule::class,
+      ViewBindingShimModule::class,
+      WorkManagerConfigurationModule::class
+    ]
+  )
+  interface TestApplicationComponent : ApplicationComponent {
+    @Component.Builder
+    interface Builder : ApplicationComponent.Builder {
+      override fun build(): TestApplicationComponent
+    }
+
+    fun inject(audioViewModelTest: AudioViewModelTest)
+  }
+
+  class TestApplication : Application(), ActivityComponentFactory, ApplicationInjectorProvider {
+    private val component: TestApplicationComponent by lazy {
+      DaggerAudioViewModelTest_TestApplicationComponent.builder()
+        .setApplication(this)
+        .build() as TestApplicationComponent
+    }
+
+    fun inject(audioViewModelTest: AudioViewModelTest) {
+      component.inject(audioViewModelTest)
+    }
+
+    override fun createActivityComponent(activity: AppCompatActivity): ActivityComponent {
+      return component.getActivityComponentBuilderProvider().get().setActivity(activity).build()
+    }
+
+    override fun getApplicationInjector(): ApplicationInjector = component
+  }
+}