Add Hilt(Dagger) example unit tests for Core

core/build.gradle

@@ -36,4 +36,6 @@ dependencies {
     testImplementation "org.mockito.kotlin:mockito-kotlin:$testing_kotlin_mockito_version"
     testImplementation "org.junit.jupiter:junit-jupiter-engine:$testing_junit5_version"
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:$testing_junit5_version"
+    kaptTest "com.google.dagger:dagger-compiler:$hilt_version"
+    testImplementation "com.squareup.retrofit2:retrofit:$retrofit_version"
 }

core/src/test/java/org/fnives/test/showcase/core/login/hilt/LogoutUseCaseTest.kt

@@ -0,0 +1,62 @@
+package org.fnives.test.showcase.core.login.hilt
+
+import kotlinx.coroutines.test.runBlockingTest
+import org.fnives.test.showcase.core.content.ContentRepository
+import org.fnives.test.showcase.core.di.koin.createCoreModule
+import org.fnives.test.showcase.core.login.LogoutUseCase
+import org.fnives.test.showcase.core.storage.UserDataLocalStorage
+import org.fnives.test.showcase.model.network.BaseUrl
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.Assertions
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+import org.koin.core.context.startKoin
+import org.koin.core.context.stopKoin
+import org.koin.test.KoinTest
+import org.mockito.kotlin.mock
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
+import org.mockito.kotlin.verifyNoMoreInteractions
+import org.mockito.kotlin.verifyZeroInteractions
+import javax.inject.Inject
+
+@Suppress("TestFunctionName")
+internal class LogoutUseCaseTest {
+
+    @Inject
+    lateinit var sut: LogoutUseCase
+    private lateinit var mockUserDataLocalStorage: UserDataLocalStorage
+    private lateinit var testCoreComponent: TestCoreComponent
+    @Inject
+    lateinit var contentRepository: ContentRepository
+
+    @BeforeEach
+    fun setUp() {
+        mockUserDataLocalStorage = mock()
+        testCoreComponent = DaggerTestCoreComponent.builder()
+            .setBaseUrl("https://a.b.com")
+            .setEnableLogging(true)
+            .setSessionExpirationListener(mock())
+            .setUserDataLocalStorage(mockUserDataLocalStorage)
+            .build()
+        testCoreComponent.inject(this)
+    }
+
+    @Test
+    fun WHEN_no_call_THEN_storage_is_not_interacted() {
+        verifyZeroInteractions(mockUserDataLocalStorage)
+    }
+
+    @Test
+    fun WHEN_logout_invoked_THEN_storage_is_cleared() = runBlockingTest {
+        val repositoryBefore = contentRepository
+
+        sut.invoke()
+
+        testCoreComponent.inject(this@LogoutUseCaseTest)
+        val repositoryAfter = contentRepository
+        verify(mockUserDataLocalStorage, times(1)).session = null
+        verifyNoMoreInteractions(mockUserDataLocalStorage)
+        Assertions.assertNotSame(repositoryBefore, repositoryAfter)
+    }
+}

core/src/test/java/org/fnives/test/showcase/core/login/hilt/TestCoreComponent.kt

@@ -0,0 +1,36 @@
+package org.fnives.test.showcase.core.login.hilt
+
+import dagger.BindsInstance
+import dagger.Component
+import org.fnives.test.showcase.core.di.hilt.CoreModule
+import org.fnives.test.showcase.core.di.hilt.ReloadLoggedInModuleInjectModuleImpl
+import org.fnives.test.showcase.core.session.SessionExpirationListener
+import org.fnives.test.showcase.core.storage.UserDataLocalStorage
+import org.fnives.test.showcase.network.di.hilt.HiltNetworkModule
+import javax.inject.Singleton
+
+@Singleton
+@Component(modules = [CoreModule::class, HiltNetworkModule::class, ReloadLoggedInModuleInjectModuleImpl::class])
+internal interface TestCoreComponent {
+
+
+    @Component.Builder
+    interface Builder {
+
+        @BindsInstance
+        fun setBaseUrl(baseUrl: String): Builder
+
+        @BindsInstance
+        fun setEnableLogging(enableLogging: Boolean): Builder
+
+        @BindsInstance
+        fun setSessionExpirationListener(listener: SessionExpirationListener): Builder
+
+        @BindsInstance
+        fun setUserDataLocalStorage(storage: UserDataLocalStorage): Builder
+
+        fun build(): TestCoreComponent
+    }
+
+    fun inject(logoutUseCaseTest: LogoutUseCaseTest)
+}

core/src/test/java/org/fnives/test/showcase/core/login/koin/LogoutUseCaseTest.kt

@@ -1,8 +1,9 @@
-package org.fnives.test.showcase.core.login
+package org.fnives.test.showcase.core.login.koin
 
 import kotlinx.coroutines.test.runBlockingTest
 import org.fnives.test.showcase.core.content.ContentRepository
 import org.fnives.test.showcase.core.di.koin.createCoreModule
+import org.fnives.test.showcase.core.login.LogoutUseCase
 import org.fnives.test.showcase.core.storage.UserDataLocalStorage
 import org.fnives.test.showcase.model.network.BaseUrl
 import org.junit.jupiter.api.AfterEach