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.server.accessibility;
18 
19 import static android.accessibilityservice.FingerprintGestureController
20         .FINGERPRINT_GESTURE_SWIPE_DOWN;
21 
22 import static org.junit.Assert.assertFalse;
23 import static org.junit.Assert.assertTrue;
24 import static org.mockito.Mockito.reset;
25 import static org.mockito.Mockito.times;
26 import static org.mockito.Mockito.verify;
27 import static org.mockito.Mockito.verifyZeroInteractions;
28 import static org.mockito.Mockito.when;
29 
30 import android.accessibilityservice.FingerprintGestureController;
31 import android.accessibilityservice.FingerprintGestureController.FingerprintGestureCallback;
32 import android.accessibilityservice.IAccessibilityServiceConnection;
33 
34 import com.android.server.accessibility.test.MessageCapturingHandler;
35 
36 import org.junit.Before;
37 import org.junit.Test;
38 import org.mockito.Mock;
39 import org.mockito.MockitoAnnotations;
40 
41 /**
42  * Tests for FingerprintGestureController.
43  * TODO: These tests aren't really for server code, so this isn't their ideal home.
44  */
45 public class FingerprintGestureControllerTest {
46     @Mock IAccessibilityServiceConnection mMockAccessibilityServiceConnection;
47     @Mock FingerprintGestureCallback mMockFingerprintGestureCallback;
48     FingerprintGestureController mFingerprintGestureController;
49 
50     @Before
setUp()51     public void setUp() {
52         MockitoAnnotations.initMocks(this);
53         mFingerprintGestureController =
54                 new FingerprintGestureController(mMockAccessibilityServiceConnection);
55     }
56 
57     @Test
testIsGestureDetectionActive_returnsValueFromServer()58     public void testIsGestureDetectionActive_returnsValueFromServer() throws Exception {
59         when(mMockAccessibilityServiceConnection.isFingerprintGestureDetectionAvailable())
60                 .thenReturn(true);
61         assertTrue(mFingerprintGestureController.isGestureDetectionAvailable());
62         when(mMockAccessibilityServiceConnection.isFingerprintGestureDetectionAvailable())
63                 .thenReturn(false);
64         assertFalse(mFingerprintGestureController.isGestureDetectionAvailable());
65     }
66 
67     @Test
testCallbacks_withNoListeners_shouldNotCrash()68     public void testCallbacks_withNoListeners_shouldNotCrash() {
69         mFingerprintGestureController.onGestureDetectionActiveChanged(true);
70         mFingerprintGestureController.onGesture(FINGERPRINT_GESTURE_SWIPE_DOWN);
71     }
72 
73     @Test
testDetectionActiveCallback_noHandler_shouldCallback()74     public void testDetectionActiveCallback_noHandler_shouldCallback() {
75         mFingerprintGestureController.registerFingerprintGestureCallback(
76                 mMockFingerprintGestureCallback, null);
77         mFingerprintGestureController.onGestureDetectionActiveChanged(true);
78         verify(mMockFingerprintGestureCallback, times(1))
79                 .onGestureDetectionAvailabilityChanged(true);
80         mFingerprintGestureController.onGestureDetectionActiveChanged(false);
81         verify(mMockFingerprintGestureCallback, times(1))
82                 .onGestureDetectionAvailabilityChanged(false);
83 
84         reset(mMockFingerprintGestureCallback);
85         mFingerprintGestureController.unregisterFingerprintGestureCallback(
86                 mMockFingerprintGestureCallback);
87         mFingerprintGestureController.onGestureDetectionActiveChanged(true);
88         mFingerprintGestureController.onGestureDetectionActiveChanged(false);
89         verifyZeroInteractions(mMockFingerprintGestureCallback);
90     }
91 
92     @Test
testDetectionActiveCallback_withHandler_shouldPostRunnableToHandler()93     public void testDetectionActiveCallback_withHandler_shouldPostRunnableToHandler() {
94         MessageCapturingHandler messageCapturingHandler = new MessageCapturingHandler((message) -> {
95             message.getCallback().run();
96             return true;
97         });
98 
99         mFingerprintGestureController.registerFingerprintGestureCallback(
100                 mMockFingerprintGestureCallback, messageCapturingHandler);
101         mFingerprintGestureController.onGestureDetectionActiveChanged(true);
102         verify(mMockFingerprintGestureCallback, times(0))
103                 .onGestureDetectionAvailabilityChanged(true);
104         messageCapturingHandler.sendLastMessage();
105         verify(mMockFingerprintGestureCallback, times(1))
106                 .onGestureDetectionAvailabilityChanged(true);
107 
108         mFingerprintGestureController.onGestureDetectionActiveChanged(false);
109         verify(mMockFingerprintGestureCallback, times(0))
110                 .onGestureDetectionAvailabilityChanged(false);
111         messageCapturingHandler.sendLastMessage();
112         verify(mMockFingerprintGestureCallback, times(1))
113                 .onGestureDetectionAvailabilityChanged(false);
114 
115         reset(mMockFingerprintGestureCallback);
116         mFingerprintGestureController.unregisterFingerprintGestureCallback(
117                 mMockFingerprintGestureCallback);
118         mFingerprintGestureController.onGestureDetectionActiveChanged(true);
119         mFingerprintGestureController.onGestureDetectionActiveChanged(false);
120         assertFalse(messageCapturingHandler.hasMessages());
121         verifyZeroInteractions(mMockFingerprintGestureCallback);
122 
123         messageCapturingHandler.removeAllMessages();
124     }
125 
126     @Test
testGestureCallback_noHandler_shouldCallListener()127     public void testGestureCallback_noHandler_shouldCallListener() {
128         mFingerprintGestureController.registerFingerprintGestureCallback(
129                 mMockFingerprintGestureCallback, null);
130         mFingerprintGestureController.onGesture(FINGERPRINT_GESTURE_SWIPE_DOWN);
131         verify(mMockFingerprintGestureCallback, times(1))
132                 .onGestureDetected(FINGERPRINT_GESTURE_SWIPE_DOWN);
133 
134         reset(mMockFingerprintGestureCallback);
135         mFingerprintGestureController.unregisterFingerprintGestureCallback(
136                 mMockFingerprintGestureCallback);
137         mFingerprintGestureController.onGesture(FINGERPRINT_GESTURE_SWIPE_DOWN);
138         verifyZeroInteractions(mMockFingerprintGestureCallback);
139     }
140 
141     @Test
testGestureCallback_withHandler_shouldPostRunnableToHandler()142     public void testGestureCallback_withHandler_shouldPostRunnableToHandler() {
143         MessageCapturingHandler messageCapturingHandler = new MessageCapturingHandler((message) -> {
144             message.getCallback().run();
145             return true;
146         });
147 
148         mFingerprintGestureController.registerFingerprintGestureCallback(
149                 mMockFingerprintGestureCallback, messageCapturingHandler);
150         mFingerprintGestureController.onGesture(FINGERPRINT_GESTURE_SWIPE_DOWN);
151         verify(mMockFingerprintGestureCallback, times(0))
152                 .onGestureDetected(FINGERPRINT_GESTURE_SWIPE_DOWN);
153         messageCapturingHandler.sendLastMessage();
154         verify(mMockFingerprintGestureCallback, times(1))
155                 .onGestureDetected(FINGERPRINT_GESTURE_SWIPE_DOWN);
156 
157         reset(mMockFingerprintGestureCallback);
158         mFingerprintGestureController.unregisterFingerprintGestureCallback(
159                 mMockFingerprintGestureCallback);
160         mFingerprintGestureController.onGesture(FINGERPRINT_GESTURE_SWIPE_DOWN);
161         assertFalse(messageCapturingHandler.hasMessages());
162         verifyZeroInteractions(mMockFingerprintGestureCallback);
163 
164         messageCapturingHandler.removeAllMessages();
165     }
166 }
167