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 com.android.settings.connecteddevice; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import android.app.Instrumentation; 22 import android.content.Intent; 23 import android.content.pm.PackageManager; 24 import android.content.pm.ResolveInfo; 25 import android.support.test.InstrumentationRegistry; 26 import android.support.test.filters.SmallTest; 27 import android.support.test.runner.AndroidJUnit4; 28 import android.text.TextUtils; 29 30 import org.junit.Before; 31 import org.junit.Test; 32 import org.junit.runner.RunWith; 33 34 import java.util.List; 35 36 @RunWith(AndroidJUnit4.class) 37 @SmallTest 38 public class ConnectedDeviceActivityTest { 39 private static final String INTENT_ACTION = "android.intent.action.MAIN"; 40 private static final String CONNECTED_DEVICE_TITLE = "Connected devices"; 41 42 private Instrumentation mInstrumentation; 43 44 @Before setUp()45 public void setUp() throws Exception { 46 mInstrumentation = InstrumentationRegistry.getInstrumentation(); 47 } 48 49 @Test queryConnectedDeviceActivity_onlyOneResponse()50 public void queryConnectedDeviceActivity_onlyOneResponse() { 51 final PackageManager packageManager = mInstrumentation.getContext().getPackageManager(); 52 final Intent intent = new Intent(INTENT_ACTION); 53 54 int count = 0; 55 final List<ResolveInfo> resolveInfoList = packageManager.queryIntentActivities(intent, 56 PackageManager.GET_META_DATA); 57 for (ResolveInfo info : resolveInfoList) { 58 if (TextUtils.equals(info.activityInfo.loadLabel(packageManager).toString(), 59 CONNECTED_DEVICE_TITLE)) { 60 count++; 61 } 62 } 63 64 assertThat(count).isEqualTo(1); 65 } 66 67 } 68