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
17package com.android.server.accessibility;
18
19import android.accessibilityservice.FingerprintGestureController;
20import android.hardware.fingerprint.IFingerprintService;
21import android.os.Handler;
22import android.os.Message;
23import android.view.KeyEvent;
24
25import com.android.server.accessibility.FingerprintGestureDispatcher.FingerprintGestureClient;
26
27import org.junit.Before;
28import org.junit.Test;
29import org.mockito.Mock;
30import org.mockito.MockitoAnnotations;
31
32import java.util.Arrays;
33import java.util.Collections;
34
35import static org.junit.Assert.assertFalse;
36import static org.junit.Assert.assertTrue;
37import static org.mockito.Matchers.anyBoolean;
38import static org.mockito.Matchers.anyInt;
39import static org.mockito.Mockito.times;
40import static org.mockito.Mockito.verify;
41import static org.mockito.Mockito.verifyNoMoreInteractions;
42import static org.mockito.Mockito.when;
43
44/**
45 * Tests for FingerprintGestureDispatcher
46 */
47public class FingerprintGestureDispatcherTest {
48
49    private @Mock IFingerprintService mMockFingerprintService;
50    private @Mock FingerprintGestureClient mNonGestureCapturingClient;
51    private @Mock FingerprintGestureClient mGestureCapturingClient;
52    private @Mock FingerprintGestureDispatcher mFingerprintGestureDispatcher;
53    private MessageCapturingHandler mMessageCapturingHandler;
54
55    @Before
56    public void setup() {
57        MockitoAnnotations.initMocks(this);
58        mMessageCapturingHandler = new MessageCapturingHandler(
59                msg -> mFingerprintGestureDispatcher.handleMessage(msg));
60        mFingerprintGestureDispatcher = new FingerprintGestureDispatcher(mMockFingerprintService,
61                new Object(), mMessageCapturingHandler);
62        when(mNonGestureCapturingClient.isCapturingFingerprintGestures()).thenReturn(false);
63        when(mGestureCapturingClient.isCapturingFingerprintGestures()).thenReturn(true);
64    }
65
66    @Test
67    public void testNoServices_doesNotCrashOrConsumeGestures() {
68        mFingerprintGestureDispatcher.onClientActiveChanged(true);
69        mFingerprintGestureDispatcher.onClientActiveChanged(false);
70        assertFalse(mFingerprintGestureDispatcher.onFingerprintGesture(
71                KeyEvent.KEYCODE_SYSTEM_NAVIGATION_UP));
72    }
73
74    @Test
75    public void testOneNonCapturingService_doesNotCrashOrConsumeGestures() {
76        mFingerprintGestureDispatcher.updateClientList(
77                Arrays.asList(mNonGestureCapturingClient));
78        mFingerprintGestureDispatcher.onClientActiveChanged(true);
79        mFingerprintGestureDispatcher.onClientActiveChanged(false);
80        assertFalse(mFingerprintGestureDispatcher.onFingerprintGesture(
81                KeyEvent.KEYCODE_SYSTEM_NAVIGATION_UP));
82        verify(mNonGestureCapturingClient, times(0))
83                .onFingerprintGestureDetectionActiveChanged(anyBoolean());
84        verify(mNonGestureCapturingClient, times(0)).onFingerprintGesture(anyInt());
85    }
86
87    @Test
88    public void testOneCapturingService_notifiesClientOfActivityChanges() {
89        mFingerprintGestureDispatcher.updateClientList(
90                Arrays.asList(mGestureCapturingClient));
91        mFingerprintGestureDispatcher.onClientActiveChanged(true);
92        // Client active means gesture detection isn't.
93        verify(mGestureCapturingClient, times(1)).onFingerprintGestureDetectionActiveChanged(false);
94        verify(mGestureCapturingClient, times(0)).onFingerprintGestureDetectionActiveChanged(true);
95        mFingerprintGestureDispatcher.onClientActiveChanged(false);
96        verify(mGestureCapturingClient, times(1)).onFingerprintGestureDetectionActiveChanged(false);
97        verify(mGestureCapturingClient, times(1)).onFingerprintGestureDetectionActiveChanged(true);
98    }
99
100    @Test
101    public void testOneCapturingService_consumesGesturesAndPassesThemAlong() {
102        mFingerprintGestureDispatcher.updateClientList(
103                Arrays.asList(mGestureCapturingClient));
104        assertTrue(mFingerprintGestureDispatcher.onFingerprintGesture(
105                KeyEvent.KEYCODE_SYSTEM_NAVIGATION_UP));
106        verify(mGestureCapturingClient, times(1)).onFingerprintGesture(
107                FingerprintGestureController.FINGERPRINT_GESTURE_SWIPE_UP);
108        assertTrue(mFingerprintGestureDispatcher.onFingerprintGesture(
109                KeyEvent.KEYCODE_SYSTEM_NAVIGATION_DOWN));
110        verify(mGestureCapturingClient, times(1)).onFingerprintGesture(
111                FingerprintGestureController.FINGERPRINT_GESTURE_SWIPE_DOWN);
112        assertTrue(mFingerprintGestureDispatcher.onFingerprintGesture(
113                KeyEvent.KEYCODE_SYSTEM_NAVIGATION_LEFT));
114        verify(mGestureCapturingClient, times(1)).onFingerprintGesture(
115                FingerprintGestureController.FINGERPRINT_GESTURE_SWIPE_LEFT);
116        assertTrue(mFingerprintGestureDispatcher.onFingerprintGesture(
117                KeyEvent.KEYCODE_SYSTEM_NAVIGATION_RIGHT));
118        verify(mGestureCapturingClient, times(1)).onFingerprintGesture(
119                FingerprintGestureController.FINGERPRINT_GESTURE_SWIPE_RIGHT);
120    }
121
122    @Test
123    public void testInvalidKeyCodes_areNotCaptured() {
124        mFingerprintGestureDispatcher.updateClientList(
125                Arrays.asList(mGestureCapturingClient));
126        assertFalse(mFingerprintGestureDispatcher.onFingerprintGesture(
127                KeyEvent.KEYCODE_SPACE));
128        verify(mGestureCapturingClient, times(0)).onFingerprintGesture(anyInt());
129    }
130
131    @Test
132    public void testWithCapturingService_registersForFingerprintUpdates() throws Exception {
133        verifyNoMoreInteractions(mMockFingerprintService);
134        mFingerprintGestureDispatcher.updateClientList(
135                Arrays.asList(mGestureCapturingClient));
136        mMessageCapturingHandler.sendOneMessage();
137        verify(mMockFingerprintService).addClientActiveCallback(mFingerprintGestureDispatcher);
138    }
139
140    @Test
141    public void testWhenCapturingServiceStops_unregistersForFingerprintUpdates() throws Exception {
142        verifyNoMoreInteractions(mMockFingerprintService);
143        mFingerprintGestureDispatcher.updateClientList(
144                Arrays.asList(mGestureCapturingClient));
145        mMessageCapturingHandler.sendOneMessage();
146        mFingerprintGestureDispatcher.updateClientList(Collections.emptyList());
147        mMessageCapturingHandler.sendOneMessage();
148        verify(mMockFingerprintService).removeClientActiveCallback(mFingerprintGestureDispatcher);
149    }
150
151    @Test
152    public void testIsGestureDetectionActive_dependsOnFingerprintService() throws Exception {
153        when(mMockFingerprintService.isClientActive()).thenReturn(true);
154        assertFalse(mFingerprintGestureDispatcher.isFingerprintGestureDetectionAvailable());
155        when(mMockFingerprintService.isClientActive()).thenReturn(false);
156        assertTrue(mFingerprintGestureDispatcher.isFingerprintGestureDetectionAvailable());
157    }
158}
159