Add Hilt(Dagger) example of robolectric tests in app
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6 changed files with 132 additions and 34 deletions
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@ -51,6 +51,13 @@ android {
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java.srcDirs += "src/sharedTest/java"
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java.srcDirs += "src/robolectricTest/java"
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}
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testHilt {
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java.srcDirs += "src/robolectricTestHilt/java"
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resources.srcDirs += "src/robolectricTestHilt/resources"
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}
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testKoin {
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java.srcDirs += "src/robolectricTestKoin/java"
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}
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}
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// needed for androidTest
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@ -89,9 +96,7 @@ dependencies {
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koinImplementation "io.insert-koin:koin-android:$koin_version"
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// Hilt
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// hiltImplementation "com.google.dagger:hilt-android:$hilt_version"
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implementation "com.google.dagger:hilt-android:$hilt_version"
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// implementation "com.google.dagger:hilt-core:$hilt_version"
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kaptHilt "com.google.dagger:hilt-compiler:$hilt_version"
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hiltImplementation "androidx.activity:activity-ktx:$activity_ktx_version"
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@ -0,0 +1,97 @@
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package org.fnives.test.showcase.favourite
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import dagger.hilt.android.testing.HiltAndroidRule
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import dagger.hilt.android.testing.HiltAndroidTest
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import kotlinx.coroutines.ExperimentalCoroutinesApi
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import kotlinx.coroutines.async
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import kotlinx.coroutines.flow.first
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import kotlinx.coroutines.flow.take
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import kotlinx.coroutines.flow.toList
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import kotlinx.coroutines.runBlocking
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import kotlinx.coroutines.test.TestCoroutineDispatcher
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import org.fnives.test.showcase.core.storage.content.FavouriteContentLocalStorage
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import org.fnives.test.showcase.model.content.ContentId
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import org.fnives.test.showcase.storage.database.DatabaseInitialization
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import org.junit.Assert
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import org.junit.Before
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import org.junit.Rule
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import org.junit.Test
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import org.junit.runner.RunWith
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import javax.inject.Inject
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@Suppress("TestFunctionName")
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@OptIn(ExperimentalCoroutinesApi::class)
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@RunWith(AndroidJUnit4::class)
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@HiltAndroidTest
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internal class FavouriteContentLocalStorageImplTest {
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@get:Rule
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val hiltRule = HiltAndroidRule(this)
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@Inject
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lateinit var sut : FavouriteContentLocalStorage
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private lateinit var testDispatcher: TestCoroutineDispatcher
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@Before
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fun setUp() {
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testDispatcher = TestCoroutineDispatcher()
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DatabaseInitialization.dispatcher = testDispatcher
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hiltRule.inject()
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}
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@Test
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fun GIVEN_content_id_WHEN_added_to_Favourite_THEN_it_can_be_read_out() = runBlocking {
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val expected = listOf(ContentId("a"))
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sut.markAsFavourite(ContentId("a"))
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val actual = sut.observeFavourites().first()
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Assert.assertEquals(expected, actual)
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}
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@Test
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fun GIVEN_content_id_added_WHEN_removed_to_Favourite_THEN_it_no_longer_can_be_read_out() =
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runBlocking {
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val expected = listOf<ContentId>()
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sut.markAsFavourite(ContentId("b"))
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sut.deleteAsFavourite(ContentId("b"))
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val actual = sut.observeFavourites().first()
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Assert.assertEquals(expected, actual)
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}
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@Test
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fun GIVEN_empty_database_WHILE_observing_content_WHEN_favourite_added_THEN_change_is_emitted() =
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runBlocking<Unit> {
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val expected = listOf(listOf(), listOf(ContentId("a")))
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val testDispatcher = TestCoroutineDispatcher()
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val actual = async(testDispatcher) {
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sut.observeFavourites().take(2).toList()
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}
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testDispatcher.advanceUntilIdle()
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sut.markAsFavourite(ContentId("a"))
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Assert.assertEquals(expected, actual.await())
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}
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@Test
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fun GIVEN_non_empty_database_WHILE_observing_content_WHEN_favourite_removed_THEN_change_is_emitted() =
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runBlocking<Unit> {
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val expected = listOf(listOf(ContentId("a")), listOf())
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sut.markAsFavourite(ContentId("a"))
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val testDispatcher = TestCoroutineDispatcher()
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val actual = async(testDispatcher) {
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sut.observeFavourites().take(2).toList()
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}
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testDispatcher.advanceUntilIdle()
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sut.deleteAsFavourite(ContentId("a"))
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Assert.assertEquals(expected, actual.await())
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}
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}
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@ -0,0 +1,4 @@
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sdk=28
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shadows=org.fnives.test.showcase.testutils.shadow.ShadowSnackbar
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instrumentedPackages=androidx.loader.content
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application=dagger.hilt.android.testing.HiltTestApplication
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@ -1,33 +1,29 @@
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package org.fnives.test.showcase.testutils
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import androidx.test.core.app.ApplicationProvider
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import org.fnives.test.showcase.TestShowcaseApplication
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import org.fnives.test.showcase.di.BaseUrlProvider
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import org.fnives.test.showcase.di.createAppModules
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//import org.fnives.test.showcase.di.createAppModules
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//import org.koin.android.ext.koin.androidContext
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import org.junit.rules.TestRule
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import org.junit.runner.Description
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import org.junit.runners.model.Statement
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import org.koin.android.ext.koin.androidContext
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import org.koin.core.context.GlobalContext
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import org.koin.core.context.startKoin
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import org.koin.core.context.stopKoin
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//import org.koin.core.context.GlobalContext
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//import org.koin.core.context.startKoin
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class ReloadKoinModulesIfNecessaryTestRule : TestRule {
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override fun apply(base: Statement, description: Description): Statement =
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object : Statement() {
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override fun evaluate() {
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if (GlobalContext.getOrNull() == null) {
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val application = ApplicationProvider.getApplicationContext<TestShowcaseApplication>()
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startKoin {
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androidContext(application)
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modules(createAppModules(BaseUrlProvider.get()))
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}
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}
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try {
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base.evaluate()
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} finally {
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stopKoin()
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}
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}
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// if (GlobalContext.getOrNull() == null) {
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// val application = ApplicationProvider.getApplicationContext<TestShowcaseApplication>()
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// startKoin {
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// androidContext(application)
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// modules(createAppModules(BaseUrlProvider.get()))
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// }
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}
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// try {
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// base.evaluate()
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// } finally {
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// stopKoin()
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// }
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// }
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}
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}
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@ -1,7 +1,6 @@
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package org.fnives.test.showcase.di
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import android.content.Context
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import org.fnives.test.showcase.model.network.BaseUrl
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import org.fnives.test.showcase.testutils.TestMainDispatcher
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import org.fnives.test.showcase.ui.auth.AuthViewModel
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import org.fnives.test.showcase.ui.home.MainViewModel
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@ -10,11 +9,8 @@ import org.junit.jupiter.api.AfterEach
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import org.junit.jupiter.api.BeforeEach
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import org.junit.jupiter.api.Test
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import org.junit.jupiter.api.extension.ExtendWith
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import org.koin.android.ext.koin.androidContext
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import org.koin.core.context.startKoin
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import org.koin.core.context.stopKoin
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import org.koin.test.KoinTest
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import org.koin.test.check.checkModules
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import org.koin.test.inject
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import org.mockito.kotlin.anyOrNull
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import org.mockito.kotlin.doReturn
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@ -42,20 +38,20 @@ class DITest : KoinTest {
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fun verifyStaticModules() {
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val mockContext = mock<Context>()
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whenever(mockContext.getSharedPreferences(anyOrNull(), anyOrNull())).doReturn(mock())
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checkModules {
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androidContext(mockContext)
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modules(createAppModules(BaseUrl("https://a.com/")))
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}
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// checkModules {
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// androidContext(mockContext)
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// modules(createAppModules(BaseUrl("https://a.com/")))
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// }
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}
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@Test
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fun verifyViewModelModules() {
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val mockContext = mock<Context>()
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whenever(mockContext.getSharedPreferences(anyOrNull(), anyOrNull())).doReturn(mock())
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startKoin {
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androidContext(mockContext)
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modules(createAppModules(BaseUrl("https://a.com/")))
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}
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// startKoin {
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// androidContext(mockContext)
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// modules(createAppModules(BaseUrl("https://a.com/")))
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// }
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authViewModel
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mainViewModel
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splashViewModel
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