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/*
* Copyright (C) 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.jetpackcamera.settings
import androidx.datastore.core.DataStore
import androidx.test.ext.junit.runners.AndroidJUnit4
import com.google.jetpackcamera.settings.test.FakeDataStoreModule
import com.google.jetpackcamera.settings.test.FakeJcaSettingsSerializer
import java.io.File
import junit.framework.TestCase.assertEquals
import kotlinx.coroutines.flow.first
import kotlinx.coroutines.test.advanceUntilIdle
import kotlinx.coroutines.test.runTest
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.junit.rules.TemporaryFolder
import org.junit.runner.RunWith
@RunWith(AndroidJUnit4::class)
@OptIn(kotlinx.coroutines.ExperimentalCoroutinesApi::class)
class DataStoreModuleTest {
@get:Rule
val tempFolder = TemporaryFolder()
private lateinit var testFile: File
@Before
fun setUp() {
testFile = tempFolder.newFile()
}
@Test
fun dataStoreModule_read_can_handle_corrupted_file() = runTest {
// should handle exception and replace file information
val dataStore: DataStore<JcaSettings> = FakeDataStoreModule.provideDataStore(
scope = this,
serializer = FakeJcaSettingsSerializer(failReadWithCorruptionException = true),
file = testFile
)
val datastoreValue = dataStore.data.first()
advanceUntilIdle()
assertEquals(datastoreValue, JcaSettings.getDefaultInstance())
}
}
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