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82 changes: 82 additions & 0 deletions
82
...src/androidTest/java/dev/shorthouse/coinwatch/data/FavouritesPreferencesRepositoryTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| package dev.shorthouse.coinwatch.data | ||
|
|
||
| import android.content.Context | ||
| import androidx.datastore.core.DataStoreFactory | ||
| import androidx.datastore.dataStoreFile | ||
| import androidx.test.core.app.ApplicationProvider | ||
| import com.google.common.truth.Truth.assertThat | ||
| import dev.shorthouse.coinwatch.data.preferences.favourites.FavouritesPreferencesRepository | ||
| import dev.shorthouse.coinwatch.data.preferences.favourites.FavouritesPreferencesSerializer | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.ExperimentalCoroutinesApi | ||
| import kotlinx.coroutines.Job | ||
| import kotlinx.coroutines.cancel | ||
| import kotlinx.coroutines.flow.first | ||
| import kotlinx.coroutines.test.StandardTestDispatcher | ||
| import kotlinx.coroutines.test.TestScope | ||
| import kotlinx.coroutines.test.resetMain | ||
| import kotlinx.coroutines.test.runTest | ||
| import kotlinx.coroutines.test.setMain | ||
| import org.junit.After | ||
| import org.junit.Before | ||
| import org.junit.Test | ||
|
|
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| @OptIn(ExperimentalCoroutinesApi::class) | ||
| class FavouritesPreferencesRepositoryTest { | ||
|
|
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| private val testContext: Context = ApplicationProvider.getApplicationContext() | ||
| private val testCoroutineDispatcher = StandardTestDispatcher() | ||
| private val testCoroutineScope = TestScope(testCoroutineDispatcher + Job()) | ||
|
|
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| private val testDataStore = DataStoreFactory.create( | ||
| serializer = FavouritesPreferencesSerializer, | ||
| scope = testCoroutineScope, | ||
| produceFile = { testContext.dataStoreFile("test_datastore") } | ||
| ) | ||
|
|
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| // Class under test | ||
| private val favouritesPreferencesRepository = FavouritesPreferencesRepository(testDataStore) | ||
|
|
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| @Before | ||
| fun setup() { | ||
| Dispatchers.setMain(testCoroutineDispatcher) | ||
| } | ||
|
|
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| @After | ||
| fun cleanup() { | ||
| Dispatchers.resetMain() | ||
| testCoroutineScope.cancel() | ||
| } | ||
|
|
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| @Test | ||
| fun when_isFavouritesCondensedTrue_should_updateFavouritesPreferences() = | ||
| testCoroutineScope.runTest { | ||
| val isCondensed = true | ||
|
|
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| favouritesPreferencesRepository.updateIsFavouritesCondensed( | ||
| isCondensed = isCondensed | ||
| ) | ||
|
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| val favouritesPreferences = favouritesPreferencesRepository | ||
| .favouritesPreferencesFlow | ||
| .first() | ||
|
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| assertThat(favouritesPreferences.isFavouritesCondensed).isTrue() | ||
| } | ||
|
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| @Test | ||
| fun when_isFavouritesCondensedFalse_should_updateFavouritesPreferences() = | ||
| testCoroutineScope.runTest { | ||
| val isCondensed = false | ||
|
|
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| favouritesPreferencesRepository.updateIsFavouritesCondensed( | ||
| isCondensed = isCondensed | ||
| ) | ||
|
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| val favouritesPreferences = favouritesPreferencesRepository | ||
| .favouritesPreferencesFlow | ||
| .first() | ||
|
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| assertThat(favouritesPreferences.isFavouritesCondensed).isFalse() | ||
| } | ||
| } |
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2 changes: 1 addition & 1 deletion
2
app/src/main/java/dev/shorthouse/coinwatch/data/mapper/CoinDetailsMapper.kt
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39 changes: 39 additions & 0 deletions
39
app/src/main/java/dev/shorthouse/coinwatch/data/preferences/BasePreferencesSerializer.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| package dev.shorthouse.coinwatch.data.preferences | ||
|
|
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| import androidx.datastore.core.Serializer | ||
| import kotlinx.serialization.KSerializer | ||
| import kotlinx.serialization.SerializationException | ||
| import kotlinx.serialization.json.Json | ||
| import timber.log.Timber | ||
| import java.io.InputStream | ||
| import java.io.OutputStream | ||
|
|
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| abstract class BasePreferencesSerializer<T>( | ||
| private val defaultInstance: () -> T, | ||
| private val serializer: KSerializer<T>, | ||
| ) : Serializer<T> { | ||
|
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| override val defaultValue: T | ||
| get() = defaultInstance() | ||
|
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| override suspend fun readFrom(input: InputStream): T { | ||
| return try { | ||
| Json.decodeFromString( | ||
| deserializer = serializer, | ||
| string = input.readBytes().decodeToString() | ||
| ) | ||
| } catch (exception: SerializationException) { | ||
| Timber.e("Error serializing preferences with ${serializer.descriptor}", exception) | ||
| defaultValue | ||
| } | ||
| } | ||
|
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| override suspend fun writeTo(t: T, output: OutputStream) { | ||
| output.write( | ||
| Json.encodeToString( | ||
| serializer = serializer, | ||
| value = t | ||
| ).encodeToByteArray() | ||
| ) | ||
| } | ||
| } |
8 changes: 8 additions & 0 deletions
8
...c/main/java/dev/shorthouse/coinwatch/data/preferences/favourites/FavouritesPreferences.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| package dev.shorthouse.coinwatch.data.preferences.favourites | ||
|
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| import kotlinx.serialization.Serializable | ||
|
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| @Serializable | ||
| data class FavouritesPreferences( | ||
| val isFavouritesCondensed: Boolean = false | ||
| ) |
31 changes: 31 additions & 0 deletions
31
...a/dev/shorthouse/coinwatch/data/preferences/favourites/FavouritesPreferencesRepository.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| package dev.shorthouse.coinwatch.data.preferences.favourites | ||
|
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| import androidx.datastore.core.DataStore | ||
| import kotlinx.coroutines.flow.Flow | ||
| import kotlinx.coroutines.flow.catch | ||
| import kotlinx.coroutines.flow.first | ||
| import timber.log.Timber | ||
| import java.io.IOException | ||
| import javax.inject.Inject | ||
|
|
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| class FavouritesPreferencesRepository @Inject constructor( | ||
| private val favouritesPreferencesDataStore: DataStore<FavouritesPreferences> | ||
| ) { | ||
| val favouritesPreferencesFlow: Flow<FavouritesPreferences> = favouritesPreferencesDataStore.data | ||
| .catch { exception -> | ||
| if (exception is IOException) { | ||
| Timber.e("Error reading favourites preferences", exception) | ||
| emit(FavouritesPreferences()) | ||
| } else { | ||
| throw exception | ||
| } | ||
| } | ||
|
|
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| suspend fun updateIsFavouritesCondensed(isCondensed: Boolean) { | ||
| if (isCondensed != favouritesPreferencesFlow.first().isFavouritesCondensed) { | ||
| favouritesPreferencesDataStore.updateData { currentPreferences -> | ||
| currentPreferences.copy(isFavouritesCondensed = isCondensed) | ||
| } | ||
| } | ||
| } | ||
| } |
8 changes: 8 additions & 0 deletions
8
...a/dev/shorthouse/coinwatch/data/preferences/favourites/FavouritesPreferencesSerializer.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| package dev.shorthouse.coinwatch.data.preferences.favourites | ||
|
|
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| import dev.shorthouse.coinwatch.data.preferences.BasePreferencesSerializer | ||
|
|
||
| object FavouritesPreferencesSerializer : BasePreferencesSerializer<FavouritesPreferences>( | ||
| defaultInstance = { FavouritesPreferences() }, | ||
| serializer = FavouritesPreferences.serializer(), | ||
| ) |
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8 changes: 8 additions & 0 deletions
8
...c/main/java/dev/shorthouse/coinwatch/data/preferences/global/UserPreferencesSerializer.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| package dev.shorthouse.coinwatch.data.preferences.global | ||
|
|
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| import dev.shorthouse.coinwatch.data.preferences.BasePreferencesSerializer | ||
|
|
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| object UserPreferencesSerializer : BasePreferencesSerializer<UserPreferences>( | ||
| defaultInstance = { UserPreferences() }, | ||
| serializer = UserPreferences.serializer(), | ||
| ) |
2 changes: 1 addition & 1 deletion
2
app/src/main/java/dev/shorthouse/coinwatch/data/repository/chart/CoinChartRepository.kt
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2 changes: 1 addition & 1 deletion
2
app/src/main/java/dev/shorthouse/coinwatch/data/repository/chart/CoinChartRepositoryImpl.kt
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2 changes: 1 addition & 1 deletion
2
app/src/main/java/dev/shorthouse/coinwatch/data/repository/details/CoinDetailsRepository.kt
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2 changes: 1 addition & 1 deletion
2
...c/main/java/dev/shorthouse/coinwatch/data/repository/details/CoinDetailsRepositoryImpl.kt
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