1 /* 2 * Copyright (C) 2015 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 package com.android.compatibility.common.deviceinfo; 17 18 import android.test.AndroidTestCase; 19 import android.test.ActivityInstrumentationTestCase2; 20 21 import java.io.BufferedReader; 22 import java.io.FileInputStream; 23 import java.io.IOException; 24 import java.io.InputStreamReader; 25 26 /** 27 * Test for {@link DeviceInfo}. 28 */ 29 public class DeviceInfoTest extends AndroidTestCase { 30 31 private static final String EXPECTED_FILE_PATH = 32 "/storage/emulated/0/device-info-files/TestDeviceInfo.deviceinfo.json"; 33 34 private TestDeviceInfo testDeviceInfo = new TestDeviceInfo(); 35 36 public void testJsonFile() throws Exception { 37 testDeviceInfo.setUp(); 38 testDeviceInfo.testCollectDeviceInfo(); 39 String resultFilePath = testDeviceInfo.getResultFilePath(); 40 // Check file path exist 41 assertNotNull("Expected a non-null resultFilePath", resultFilePath); 42 // Check file path location 43 assertEquals("Incorrect file path", EXPECTED_FILE_PATH, resultFilePath); 44 // Check json file content 45 String jsonContent = readFile(resultFilePath); 46 assertEquals("Incorrect json output", ExampleObjects.testDeviceInfoJson(), jsonContent); 47 } 48 49 private String readFile(String filePath) throws IOException { 50 InputStreamReader inputStreamReader = new InputStreamReader( 51 new FileInputStream(filePath), "UTF-8"); 52 StringBuilder stringBuilder = new StringBuilder(); 53 BufferedReader bufferedReader = new BufferedReader(inputStreamReader); 54 String line; 55 while((line = bufferedReader.readLine()) != null) { 56 stringBuilder.append(line); 57 stringBuilder.append('\n'); 58 } 59 bufferedReader.close(); 60 return stringBuilder.toString(); 61 } 62 }