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Commit 9be1cfde authored by Pinyao Ting's avatar Pinyao Ting
Browse files

include roboelectric test to verify db backup is created when 

initializing the db for the very first time.

Bug: 141472083
Change-Id: I84d3487bb296bf445323906e8a2d3734b1aa8594
parent ba9c5571

robolectric_tests/src/com/android/launcher3/model/BackupRestoreTest.java

0 → 100644
+54 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2020 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.launcher3.model;



import static com.android.launcher3.LauncherSettings.Favorites.BACKUP_TABLE_NAME;

import static com.android.launcher3.provider.LauncherDbUtils.tableExists;



import static org.junit.Assert.assertTrue;



import android.database.sqlite.SQLiteDatabase;



import com.android.launcher3.util.LauncherModelHelper;

import com.android.launcher3.util.LauncherRoboTestRunner;



import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.robolectric.annotation.LooperMode;



/**

 * Tests to verify backup and restore flow.

 */

@RunWith(LauncherRoboTestRunner.class)

@LooperMode(LooperMode.Mode.PAUSED)

public class BackupRestoreTest {



    private LauncherModelHelper mModelHelper;

    private SQLiteDatabase mDb;



    @Before

    public void setUp() {

        mModelHelper = new LauncherModelHelper();

        mDb = mModelHelper.provider.getDbWithRestoreDbTask();

    }



    @Test

    public void testOnCreateDbIfNotExists_CreatesBackup() {

        assertTrue(tableExists(mDb, BACKUP_TABLE_NAME));

    }

}

robolectric_tests/src/com/android/launcher3/util/TestLauncherProvider.java

+7 −0
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@ import android.content.Context; 
import android.database.sqlite.SQLiteDatabase;



import com.android.launcher3.LauncherProvider;

import com.android.launcher3.provider.RestoreDbTask;



/**

 * An extension of LauncherProvider backed up by in-memory database.
@@ -33,6 +34,12 @@ public class TestLauncherProvider extends LauncherProvider { 
        return mOpenHelper.getWritableDatabase();

    }



    public SQLiteDatabase getDbWithRestoreDbTask() {

        RestoreDbTask.setPending(getContext(), true);

        super.createDbIfNotExists();

        return mOpenHelper.getWritableDatabase();

    }



    private static class MyDatabaseHelper extends DatabaseHelper {



        private final boolean mAllowLoadDefaultFavorites;