AppIdleHistoryTests.java revision f2d87eba750d15093c996c1dbae7b755a7462478 
1/*
2 * Copyright (C) 2016 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.usage;
18
19import android.os.FileUtils;
20import android.test.AndroidTestCase;
21
22import java.io.File;
23
24public class AppIdleHistoryTests extends AndroidTestCase {
25
26    File mStorageDir;
27
28    final static String PACKAGE_1 = "com.android.testpackage1";
29    final static String PACKAGE_2 = "com.android.testpackage2";
30
31    @Override
32    protected void setUp() throws Exception {
33        super.setUp();
34        mStorageDir = new File(getContext().getFilesDir(), "appidle");
35        mStorageDir.mkdirs();
36    }
37
38    @Override
39    protected void tearDown() throws Exception {
40        FileUtils.deleteContents(mStorageDir);
41        super.tearDown();
42    }
43
44    public void testFilesCreation() {
45        final int userId = 0;
46        AppIdleHistory aih = new AppIdleHistory(mStorageDir, 0);
47
48        aih.updateDisplayLocked(true, /* elapsedRealtime= */ 1000);
49        aih.updateDisplayLocked(false, /* elapsedRealtime= */ 2000);
50        // Screen On time file should be written right away
51        assertTrue(aih.getScreenOnTimeFile().exists());
52
53        aih.writeAppIdleTimesLocked(userId);
54        // stats file should be written now
55        assertTrue(new File(new File(mStorageDir, "users/" + userId),
56                AppIdleHistory.APP_IDLE_FILENAME).exists());
57    }
58
59    public void testScreenOnTime() {
60        AppIdleHistory aih = new AppIdleHistory(mStorageDir, 1000);
61        aih.updateDisplayLocked(false, 2000);
62        assertEquals(aih.getScreenOnTimeLocked(2000), 0);
63        aih.updateDisplayLocked(true, 3000);
64        assertEquals(aih.getScreenOnTimeLocked(4000), 1000);
65        assertEquals(aih.getScreenOnTimeLocked(5000), 2000);
66        aih.updateDisplayLocked(false, 6000);
67        // Screen on time should not keep progressing with screen is off
68        assertEquals(aih.getScreenOnTimeLocked(7000), 3000);
69        assertEquals(aih.getScreenOnTimeLocked(8000), 3000);
70        aih.writeAppIdleDurationsLocked();
71
72        // Check if the screen on time is persisted across instantiations
73        AppIdleHistory aih2 = new AppIdleHistory(mStorageDir, 0);
74        assertEquals(aih2.getScreenOnTimeLocked(11000), 3000);
75        aih2.updateDisplayLocked(true, 4000);
76        aih2.updateDisplayLocked(false, 5000);
77        assertEquals(aih2.getScreenOnTimeLocked(13000), 4000);
78    }
79
80    public void testPackageEvents() {
81        AppIdleHistory aih = new AppIdleHistory(mStorageDir, 1000);
82        aih.setThresholds(4000, 1000);
83        aih.updateDisplayLocked(true, 1000);
84        // App is not-idle by default
85        assertFalse(aih.isIdleLocked(PACKAGE_1, 0, 1500));
86        // Still not idle
87        assertFalse(aih.isIdleLocked(PACKAGE_1, 0, 3000));
88        // Idle now
89        assertTrue(aih.isIdleLocked(PACKAGE_1, 0, 8000));
90        // Not idle
91        assertFalse(aih.isIdleLocked(PACKAGE_2, 0, 9000));
92
93        // Screen off
94        aih.updateDisplayLocked(false, 9100);
95        // Still idle after 10 seconds because screen hasn't been on long enough
96        assertFalse(aih.isIdleLocked(PACKAGE_2, 0, 20000));
97        aih.updateDisplayLocked(true, 21000);
98        assertTrue(aih.isIdleLocked(PACKAGE_2, 0, 23000));
99    }
100}