1 /* 2 * Copyright (C) 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.role.persistence 18 19 import android.content.ApexEnvironment 20 import android.content.Context 21 import android.os.Process 22 import android.os.UserHandle 23 import androidx.test.ext.junit.runners.AndroidJUnit4 24 import androidx.test.platform.app.InstrumentationRegistry 25 import com.android.dx.mockito.inline.extended.ExtendedMockito.mockitoSession 26 import com.google.common.truth.Truth.assertThat 27 import org.junit.After 28 import org.junit.Before 29 import org.junit.Test 30 import org.junit.runner.RunWith 31 import org.mockito.ArgumentMatchers.any 32 import org.mockito.ArgumentMatchers.eq 33 import org.mockito.Mock 34 import org.mockito.Mockito.`when` 35 import org.mockito.MockitoAnnotations.initMocks 36 import org.mockito.MockitoSession 37 import org.mockito.quality.Strictness 38 import java.io.File 39 40 @RunWith(AndroidJUnit4::class) 41 class RolesPersistenceTest { 42 private val context = InstrumentationRegistry.getInstrumentation().context 43 44 private lateinit var mockDataDirectory: File 45 46 private lateinit var mockitoSession: MockitoSession 47 @Mock 48 lateinit var apexEnvironment: ApexEnvironment 49 50 private val persistence = RolesPersistence.createInstance() 51 private val state = RolesState(1, "packagesHash", mapOf("role" to setOf("holder1", "holder2"))) 52 private val user = Process.myUserHandle() 53 54 @Before 55 fun createMockDataDirectory() { 56 mockDataDirectory = context.getDir("mock_data", Context.MODE_PRIVATE) 57 mockDataDirectory.listFiles()!!.forEach { assertThat(it.deleteRecursively()).isTrue() } 58 } 59 60 @Before 61 fun mockApexEnvironment() { 62 initMocks(this) 63 mockitoSession = mockitoSession() 64 .mockStatic(ApexEnvironment::class.java) 65 .strictness(Strictness.LENIENT) 66 .startMocking() 67 `when`(ApexEnvironment.getApexEnvironment(eq(APEX_MODULE_NAME))).thenReturn(apexEnvironment) 68 `when`(apexEnvironment.getDeviceProtectedDataDirForUser(any(UserHandle::class.java))).then { 69 File(mockDataDirectory, it.arguments[0].toString()).also { it.mkdirs() } 70 } 71 } 72 73 @After 74 fun finishMockingApexEnvironment() { 75 mockitoSession.finishMocking() 76 } 77 78 @Test 79 fun testReadWrite() { 80 persistence.writeForUser(state, user) 81 val persistedState = persistence.readForUser(user) 82 83 assertThat(persistedState).isEqualTo(state) 84 assertThat(persistedState!!.version).isEqualTo(state.version) 85 assertThat(persistedState.packagesHash).isEqualTo(state.packagesHash) 86 assertThat(persistedState.roles).isEqualTo(state.roles) 87 } 88 89 @Test 90 fun testDelete() { 91 persistence.writeForUser(state, user) 92 persistence.deleteForUser(user) 93 val persistedState = persistence.readForUser(user) 94 95 assertThat(persistedState).isNull() 96 } 97 98 companion object { 99 private const val APEX_MODULE_NAME = "com.android.permission" 100 } 101 } 102