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Issue#11 Adjust FavouriteContentLocalStorage by using runTest instead of deprecated TestDispatchers

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This commit is contained in:
Gergely Hegedus 2022-01-23 20:28:58 +02:00
parent 968ccb647d
commit 3c85431d96
2 changed files with 63 additions and 63 deletions
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34
app/src/robolectricTestHilt/java/org/fnives/test/showcase/favourite/FavouriteContentLocalStorageImplTest.kt
View file

@ -8,8 +8,11 @@ import kotlinx.coroutines.async
import kotlinx.coroutines.flow.first import kotlinx.coroutines.flow.first
import kotlinx.coroutines.flow.take import kotlinx.coroutines.flow.take
import kotlinx.coroutines.flow.toList import kotlinx.coroutines.flow.toList
import kotlinx.coroutines.runBlocking import kotlinx.coroutines.test.StandardTestDispatcher
import kotlinx.coroutines.test.TestCoroutineDispatcher import kotlinx.coroutines.test.TestCoroutineScheduler
import kotlinx.coroutines.test.TestDispatcher
import kotlinx.coroutines.test.advanceUntilIdle
import kotlinx.coroutines.test.runTest
import org.fnives.test.showcase.core.storage.content.FavouriteContentLocalStorage import org.fnives.test.showcase.core.storage.content.FavouriteContentLocalStorage
import org.fnives.test.showcase.model.content.ContentId import org.fnives.test.showcase.model.content.ContentId
import org.fnives.test.showcase.storage.database.DatabaseInitialization import org.fnives.test.showcase.storage.database.DatabaseInitialization
@ -31,18 +34,18 @@ internal class FavouriteContentLocalStorageImplTest {
@Inject @Inject
lateinit var sut: FavouriteContentLocalStorage lateinit var sut: FavouriteContentLocalStorage
private lateinit var testDispatcher: TestCoroutineDispatcher private lateinit var testDispatcher: TestDispatcher
@Before @Before
fun setUp() { fun setUp() {
testDispatcher = TestCoroutineDispatcher() testDispatcher = StandardTestDispatcher(TestCoroutineScheduler())
DatabaseInitialization.dispatcher = testDispatcher DatabaseInitialization.dispatcher = testDispatcher
hiltRule.inject() hiltRule.inject()
} }
/** GIVEN content_id WHEN added to Favourite THEN it can be read out */ /** GIVEN content_id WHEN added to Favourite THEN it can be read out */
@Test @Test
fun addingContentIdToFavouriteCanBeLaterReadOut() = runBlocking { fun addingContentIdToFavouriteCanBeLaterReadOut() = runTest(testDispatcher) {
val expected = listOf(ContentId("a")) val expected = listOf(ContentId("a"))
sut.markAsFavourite(ContentId("a")) sut.markAsFavourite(ContentId("a"))
@ -53,8 +56,7 @@ internal class FavouriteContentLocalStorageImplTest {
/** GIVEN content_id added WHEN removed to Favourite THEN it no longer can be read out */ /** GIVEN content_id added WHEN removed to Favourite THEN it no longer can be read out */
@Test @Test
fun contentIdAddedThenRemovedCanNoLongerBeReadOut() = fun contentIdAddedThenRemovedCanNoLongerBeReadOut() = runTest(testDispatcher) {
runBlocking {
val expected = listOf<ContentId>() val expected = listOf<ContentId>()
sut.markAsFavourite(ContentId("b")) sut.markAsFavourite(ContentId("b"))
@ -66,35 +68,33 @@ internal class FavouriteContentLocalStorageImplTest {
/** GIVEN empty database WHILE observing content WHEN favourite added THEN change is emitted */ /** GIVEN empty database WHILE observing content WHEN favourite added THEN change is emitted */
@Test @Test
fun addingFavouriteUpdatesExistingObservers() = fun addingFavouriteUpdatesExistingObservers() = runTest(testDispatcher) {
runBlocking<Unit> {
val expected = listOf(listOf(), listOf(ContentId("a"))) val expected = listOf(listOf(), listOf(ContentId("a")))
val testDispatcher = TestCoroutineDispatcher() val actual = async(coroutineContext) {
val actual = async(testDispatcher) {
sut.observeFavourites().take(2).toList() sut.observeFavourites().take(2).toList()
} }
testDispatcher.advanceUntilIdle() advanceUntilIdle()
sut.markAsFavourite(ContentId("a")) sut.markAsFavourite(ContentId("a"))
advanceUntilIdle()
Assert.assertEquals(expected, actual.getCompleted()) Assert.assertEquals(expected, actual.getCompleted())
} }
/** GIVEN non empty database WHILE observing content WHEN favourite removed THEN change is emitted */ /** GIVEN non empty database WHILE observing content WHEN favourite removed THEN change is emitted */
@Test @Test
fun removingFavouriteUpdatesExistingObservers() = fun removingFavouriteUpdatesExistingObservers() = runTest(testDispatcher) {
runBlocking<Unit> {
val expected = listOf(listOf(ContentId("a")), listOf()) val expected = listOf(listOf(ContentId("a")), listOf())
sut.markAsFavourite(ContentId("a")) sut.markAsFavourite(ContentId("a"))
val testDispatcher = TestCoroutineDispatcher() val actual = async(coroutineContext) {
val actual = async(testDispatcher) {
sut.observeFavourites().take(2).toList() sut.observeFavourites().take(2).toList()
} }
testDispatcher.advanceUntilIdle() advanceUntilIdle()
sut.deleteAsFavourite(ContentId("a")) sut.deleteAsFavourite(ContentId("a"))
advanceUntilIdle()
Assert.assertEquals(expected, actual.getCompleted()) Assert.assertEquals(expected, actual.getCompleted())
} }

38
app/src/robolectricTestKoin/java/org/fnives/test/showcase/favourite/FavouriteContentLocalStorageImplTest.kt
View file

@ -6,8 +6,11 @@ import kotlinx.coroutines.async
import kotlinx.coroutines.flow.first import kotlinx.coroutines.flow.first
import kotlinx.coroutines.flow.take import kotlinx.coroutines.flow.take
import kotlinx.coroutines.flow.toList import kotlinx.coroutines.flow.toList
import kotlinx.coroutines.runBlocking import kotlinx.coroutines.test.StandardTestDispatcher
import kotlinx.coroutines.test.TestCoroutineDispatcher import kotlinx.coroutines.test.TestCoroutineScheduler
import kotlinx.coroutines.test.TestDispatcher
import kotlinx.coroutines.test.advanceUntilIdle
import kotlinx.coroutines.test.runTest
import org.fnives.test.showcase.core.storage.content.FavouriteContentLocalStorage import org.fnives.test.showcase.core.storage.content.FavouriteContentLocalStorage
import org.fnives.test.showcase.model.content.ContentId import org.fnives.test.showcase.model.content.ContentId
import org.fnives.test.showcase.storage.database.DatabaseInitialization import org.fnives.test.showcase.storage.database.DatabaseInitialization
@ -26,11 +29,11 @@ import org.koin.test.inject
internal class FavouriteContentLocalStorageImplTest : KoinTest { internal class FavouriteContentLocalStorageImplTest : KoinTest {
private val sut by inject<FavouriteContentLocalStorage>() private val sut by inject<FavouriteContentLocalStorage>()
private lateinit var testDispatcher: TestCoroutineDispatcher private lateinit var testDispatcher: TestDispatcher
@Before @Before
fun setUp() { fun setUp() {
testDispatcher = TestCoroutineDispatcher() testDispatcher = StandardTestDispatcher(TestCoroutineScheduler())
DatabaseInitialization.dispatcher = testDispatcher DatabaseInitialization.dispatcher = testDispatcher
} }
@ -41,7 +44,7 @@ internal class FavouriteContentLocalStorageImplTest : KoinTest {
/** GIVEN content_id WHEN added to Favourite THEN it can be read out */ /** GIVEN content_id WHEN added to Favourite THEN it can be read out */
@Test @Test
fun addingContentIdToFavouriteCanBeLaterReadOut() = runBlocking { fun addingContentIdToFavouriteCanBeLaterReadOut() = runTest(testDispatcher) {
val expected = listOf(ContentId("a")) val expected = listOf(ContentId("a"))
sut.markAsFavourite(ContentId("a")) sut.markAsFavourite(ContentId("a"))
@ -52,8 +55,7 @@ internal class FavouriteContentLocalStorageImplTest : KoinTest {
/** GIVEN content_id added WHEN removed to Favourite THEN it no longer can be read out */ /** GIVEN content_id added WHEN removed to Favourite THEN it no longer can be read out */
@Test @Test
fun contentIdAddedThenRemovedCanNoLongerBeReadOut() = fun contentIdAddedThenRemovedCanNoLongerBeReadOut() = runTest(testDispatcher) {
runBlocking {
val expected = listOf<ContentId>() val expected = listOf<ContentId>()
sut.markAsFavourite(ContentId("b")) sut.markAsFavourite(ContentId("b"))
@ -65,36 +67,34 @@ internal class FavouriteContentLocalStorageImplTest : KoinTest {
/** GIVEN empty database WHILE observing content WHEN favourite added THEN change is emitted */ /** GIVEN empty database WHILE observing content WHEN favourite added THEN change is emitted */
@Test @Test
fun addingFavouriteUpdatesExistingObservers() = fun addingFavouriteUpdatesExistingObservers() = runTest(testDispatcher) {
runBlocking<Unit> {
val expected = listOf(listOf(), listOf(ContentId("a"))) val expected = listOf(listOf(), listOf(ContentId("a")))
val testDispatcher = TestCoroutineDispatcher() val actual = async(coroutineContext) {
val actual = async(testDispatcher) {
sut.observeFavourites().take(2).toList() sut.observeFavourites().take(2).toList()
} }
testDispatcher.advanceUntilIdle() advanceUntilIdle()
sut.markAsFavourite(ContentId("a")) sut.markAsFavourite(ContentId("a"))
advanceUntilIdle()
Assert.assertEquals(expected, actual.await()) Assert.assertEquals(expected, actual.getCompleted())
} }
/** GIVEN non empty database WHILE observing content WHEN favourite removed THEN change is emitted */ /** GIVEN non empty database WHILE observing content WHEN favourite removed THEN change is emitted */
@Test @Test
fun removingFavouriteUpdatesExistingObservers() = fun removingFavouriteUpdatesExistingObservers() = runTest(testDispatcher) {
runBlocking<Unit> {
val expected = listOf(listOf(ContentId("a")), listOf()) val expected = listOf(listOf(ContentId("a")), listOf())
sut.markAsFavourite(ContentId("a")) sut.markAsFavourite(ContentId("a"))
val testDispatcher = TestCoroutineDispatcher() val actual = async(coroutineContext) {
val actual = async(testDispatcher) {
sut.observeFavourites().take(2).toList() sut.observeFavourites().take(2).toList()
} }
testDispatcher.advanceUntilIdle() advanceUntilIdle()
sut.deleteAsFavourite(ContentId("a")) sut.deleteAsFavourite(ContentId("a"))
advanceUntilIdle()
Assert.assertEquals(expected, actual.await()) Assert.assertEquals(expected, actual.getCompleted())
} }
} }