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/*
* Copyright (C) 2022 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.android.permissioncontroller.tests.mocking.privacysources
import android.content.Context
import android.os.Build
import android.provider.DeviceConfig
import androidx.test.core.app.ApplicationProvider
import androidx.test.ext.junit.runners.AndroidJUnit4
import androidx.test.filters.SdkSuppress
import com.android.dx.mockito.inline.extended.ExtendedMockito
import com.android.permissioncontroller.privacysources.PrivacySourceData
import com.android.permissioncontroller.privacysources.TextStorageRepository
import org.junit.After
import org.junit.Assert
import org.junit.Before
import org.junit.Test
import org.junit.runner.RunWith
import org.mockito.MockitoAnnotations
import org.mockito.MockitoSession
import org.mockito.quality.Strictness
import java.io.BufferedWriter
import java.io.File
import java.io.FileWriter
@RunWith(AndroidJUnit4::class)
@SdkSuppress(minSdkVersion = Build.VERSION_CODES.TIRAMISU, codeName = "Tiramisu")
class TextStorageRepositoryTest {
private lateinit var context: Context
private lateinit var mockitoSession: MockitoSession
private lateinit var dataFile: File
@Before
fun setup() {
MockitoAnnotations.initMocks(this)
context = ApplicationProvider.getApplicationContext()
mockitoSession = ExtendedMockito.mockitoSession()
.mockStatic(DeviceConfig::class.java)
.strictness(Strictness.LENIENT).startMocking()
dataFile = context.getFileStreamPath("testFile")
}
@After
fun cleanup() {
context.deleteFile("testFile")
mockitoSession.finishMocking()
}
@Test
fun testEmptyFileReading() {
val storageRepository = TextStorageRepository(dataFile)
val dataList = storageRepository.readData(creator)
Assert.assertTrue(dataList.isEmpty())
}
@Test
fun testWrite() {
val storageRepository = TextStorageRepository(dataFile)
val component = TestPrivacySourceComponent("a", 100)
storageRepository.persistData(listOf(component))
val dataList = storageRepository.readData(creator)
Assert.assertEquals(1, dataList.size)
Assert.assertEquals(component.toStorageData(), dataList[0].toStorageData())
}
@Test
fun testWrite_MultipleEntries() {
val storageRepository = TextStorageRepository(dataFile)
val components = listOf(TestPrivacySourceComponent("a", 100),
TestPrivacySourceComponent("b", 200),
TestPrivacySourceComponent("c", 300)
)
storageRepository.persistData(components)
val dataList = storageRepository.readData(creator)
Assert.assertEquals(3, dataList.size)
}
@Test
fun testRead_Ignore_CorruptedEntries() {
val storageRepository = TextStorageRepository(dataFile)
val components = listOf(TestPrivacySourceComponent("a", 100),
TestPrivacySourceComponent("b", 200),
TestPrivacySourceComponent("c", 300)
)
storageRepository.persistData(components)
appendCorruptedData(dataFile, "not_enough_parts")
appendCorruptedData(dataFile, "not_enough_parts")
appendCorruptedData(dataFile, "")
val dataList = storageRepository.readData(creator)
Assert.assertEquals(3, dataList.size)
}
@Test
fun testRead_Ignore_NumberFormatError() {
val storageRepository = TextStorageRepository(dataFile)
val components = listOf(TestPrivacySourceComponent("a", 100),
TestPrivacySourceComponent("b", 200)
)
storageRepository.persistData(components)
appendCorruptedData(dataFile, "com.example.TestService hundred")
appendCorruptedData(dataFile, "com.example.TestService1 abc")
val dataList: List<TestPrivacySourceComponent> = storageRepository.readData(creator)
Assert.assertEquals(2, dataList.size)
}
private fun appendCorruptedData(dataFile: File, data: String) {
BufferedWriter(FileWriter(dataFile, true)).use { writer ->
writer.write(data)
writer.newLine()
}
}
private val creator = object : PrivacySourceData.Creator<TestPrivacySourceComponent> {
override fun fromStorageData(data: String): TestPrivacySourceComponent {
val lineComponents = data.split(" ")
return TestPrivacySourceComponent(lineComponents[0], lineComponents[1].toInt())
}
}
}
class TestPrivacySourceComponent(
private val name: String,
private val timestamp: Int
) : PrivacySourceData {
override fun toStorageData(): String {
return "$name $timestamp"
}
}
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