1 /* 2 * Copyright (C) 2024 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.launcher3.backuprestore 18 19 import android.platform.test.annotations.DisableFlags 20 import android.platform.test.annotations.EnableFlags 21 import android.platform.test.flag.junit.SetFlagsRule 22 import androidx.test.ext.junit.runners.AndroidJUnit4 23 import androidx.test.filters.MediumTest 24 import androidx.test.platform.app.InstrumentationRegistry.getInstrumentation 25 import com.android.launcher3.Flags 26 import com.android.launcher3.LauncherPrefs 27 import com.android.launcher3.model.ModelDbController 28 import com.android.launcher3.provider.RestoreDbTask 29 import com.android.launcher3.util.Executors.MODEL_EXECUTOR 30 import com.android.launcher3.util.TestUtil 31 import com.android.launcher3.util.rule.BackAndRestoreRule 32 import com.android.launcher3.util.rule.setFlags 33 import org.junit.Before 34 import org.junit.Rule 35 import org.junit.Test 36 import org.junit.runner.RunWith 37 38 /** 39 * Makes sure to test {@code RestoreDbTask#removeOldDBs}, we need to remove all the dbs that are not 40 * the last one used when we restore the device. 41 */ 42 @RunWith(AndroidJUnit4::class) 43 @MediumTest 44 class BackupAndRestoreDBSelectionTest { 45 46 @JvmField @Rule var backAndRestoreRule = BackAndRestoreRule() 47 48 @JvmField 49 @Rule 50 val setFlagsRule = SetFlagsRule(SetFlagsRule.DefaultInitValueType.DEVICE_DEFAULT) 51 52 @Before setUpnull53 fun setUp() { 54 setFlagsRule.setFlags(true, Flags.FLAG_ENABLE_NARROW_GRID_RESTORE) 55 } 56 57 @EnableFlags(Flags.FLAG_GRID_MIGRATION_REFACTOR) oldDatabasesNotPresentAfterRestoreRefactorFlagEnablednull58 fun oldDatabasesNotPresentAfterRestoreRefactorFlagEnabled() { 59 oldDatabasesNotPresentAfterRestore() 60 } 61 62 @DisableFlags(Flags.FLAG_GRID_MIGRATION_REFACTOR) oldDatabasesNotPresentAfterRestoreRefactorFlagDisablednull63 fun oldDatabasesNotPresentAfterRestoreRefactorFlagDisabled() { 64 oldDatabasesNotPresentAfterRestore() 65 } 66 67 @Test oldDatabasesNotPresentAfterRestorenull68 fun oldDatabasesNotPresentAfterRestore() { 69 val dbController = ModelDbController(getInstrumentation().targetContext) 70 if (Flags.gridMigrationRefactor()) { 71 dbController.attemptMigrateDb(null) 72 } else { 73 dbController.tryMigrateDB(null) 74 } 75 TestUtil.runOnExecutorSync(MODEL_EXECUTOR) { 76 assert(backAndRestoreRule.getDatabaseFiles().size == 1) { 77 "There should only be one database after restoring, the last one used. Actual databases ${backAndRestoreRule.getDatabaseFiles()}" 78 } 79 assert( 80 !LauncherPrefs.get(getInstrumentation().targetContext) 81 .has(LauncherPrefs.RESTORE_DEVICE) 82 ) { 83 "RESTORE_DEVICE shouldn't be present after a backup and restore." 84 } 85 } 86 } 87 88 @Test testExistingDbsAndRemovingDbsnull89 fun testExistingDbsAndRemovingDbs() { 90 var existingDbs = RestoreDbTask.existingDbs(getInstrumentation().targetContext) 91 assert(existingDbs.size == 4) 92 RestoreDbTask.removeOldDBs(getInstrumentation().targetContext, "launcher_4_by_4.db") 93 existingDbs = RestoreDbTask.existingDbs(getInstrumentation().targetContext) 94 assert(existingDbs.size == 1) 95 } 96 } 97