1 /* 2 * Copyright (C) 2017 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 android.database.sqlite.cts; 18 19 import android.content.Context; 20 import android.support.test.uiautomator.UiDevice; 21 import android.util.Log; 22 23 import androidx.test.InstrumentationRegistry; 24 25 /** 26 * Common utility methods for testing 27 */ 28 class DatabaseTestUtils { 29 30 private static final String TAG = "SQLiteOpenHelperTest"; 31 32 static boolean waitForConnectionToClose(int maxAttempts, int pollIntervalMs) 33 throws Exception { 34 for (int i = 0; i < maxAttempts; i++) { 35 String output = getDbInfoOutput(); 36 Log.d(TAG, "waitForConnectionToClose #" + i + ": " + output); 37 if (!output.contains("Connection #0:")) { 38 return true; 39 } 40 Thread.sleep(pollIntervalMs); 41 } 42 return false; 43 } 44 45 static String getDbInfoOutput() throws Exception { 46 Context ctx = InstrumentationRegistry.getInstrumentation().getContext(); 47 return executeShellCommand("dumpsys dbinfo " + ctx.getPackageName()); 48 } 49 50 static String executeShellCommand(String cmd) throws Exception { 51 return UiDevice.getInstance( 52 InstrumentationRegistry.getInstrumentation()).executeShellCommand(cmd); 53 } 54 } 55
