1 /*
2  * Copyright (C) 2020 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.devicepolicy;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 
21 import static org.testng.Assert.assertThrows;
22 
23 import androidx.test.runner.AndroidJUnit4;
24 
25 import org.junit.Before;
26 import org.junit.Test;
27 import org.junit.runner.RunWith;
28 
29 @RunWith(AndroidJUnit4.class)
30 public class EnterpriseSpecificIdCalculatorTest {
31     private static final String SOME_IMEI = "56134231542345";
32     private static final String SOME_SERIAL_NUMBER = "XZ663CCAJA7";
33     private static final String SOME_MAC_ADDRESS = "65:ca:f3:fe:9d:b1";
34     private static final String NO_MEID = null;
35     private static final String SOME_PACKAGE = "com.example.test.dpc";
36     private static final String ANOTHER_PACKAGE = "org.example.test.another.dpc";
37     private static final String SOME_ENTERPRISE_ID = "73456234";
38     private static final String ANOTHER_ENTERPRISE_ID = "243441";
39 
40     private EnterpriseSpecificIdCalculator mEsidCalculator;
41 
42     @Before
createDefaultEsidCalculator()43     public void createDefaultEsidCalculator() {
44         mEsidCalculator = new EnterpriseSpecificIdCalculator(SOME_IMEI, NO_MEID, SOME_SERIAL_NUMBER,
45                 SOME_MAC_ADDRESS);
46     }
47 
48     @Test
paddingOfIdentifiers()49     public void paddingOfIdentifiers() {
50         assertThat(mEsidCalculator.getPaddedImei()).isEqualTo("  56134231542345");
51         assertThat(mEsidCalculator.getPaddedMeid()).isEqualTo("                ");
52         assertThat(mEsidCalculator.getPaddedSerialNumber()).isEqualTo("     XZ663CCAJA7");
53     }
54 
55     @Test
truncationOfLongIdentifier()56     public void truncationOfLongIdentifier() {
57         EnterpriseSpecificIdCalculator esidCalculator = new EnterpriseSpecificIdCalculator(
58                 SOME_IMEI, NO_MEID, "XZ663CCAJA7XZ663CCAJA7XZ663CCAJA7",
59                 SOME_MAC_ADDRESS);
60         assertThat(esidCalculator.getPaddedSerialNumber()).isEqualTo("XZ663CCAJA7XZ663");
61     }
62 
63     @Test
paddingOfPackageName()64     public void paddingOfPackageName() {
65         assertThat(mEsidCalculator.getPaddedProfileOwnerName(SOME_PACKAGE)).isEqualTo(
66                 "                                            " + SOME_PACKAGE);
67     }
68 
69     @Test
paddingOfEnterpriseId()70     public void paddingOfEnterpriseId() {
71         assertThat(mEsidCalculator.getPaddedEnterpriseId(SOME_ENTERPRISE_ID)).isEqualTo(
72                 "                                                        " + SOME_ENTERPRISE_ID);
73     }
74 
75     @Test
emptyEnterpriseIdYieldsEmptyEsid()76     public void emptyEnterpriseIdYieldsEmptyEsid() {
77         assertThrows(IllegalArgumentException.class, () ->
78                 mEsidCalculator.calculateEnterpriseId(SOME_PACKAGE, ""));
79     }
80 
81     @Test
emptyDpcPackageYieldsEmptyEsid()82     public void emptyDpcPackageYieldsEmptyEsid() {
83         assertThrows(IllegalArgumentException.class, () ->
84                 mEsidCalculator.calculateEnterpriseId("", SOME_ENTERPRISE_ID));
85     }
86 
87     // On upgrade, an ESID will be calculated with an empty Enterprise ID. This is signalled
88     // to the EnterpriseSpecificIdCalculator by passing in null.
89     @Test
nullEnterpriseIdYieldsValidEsid()90     public void nullEnterpriseIdYieldsValidEsid() {
91         assertThat(mEsidCalculator.calculateEnterpriseId(SOME_PACKAGE, null)).isEqualTo(
92                 "C4W7-VUJT-PHSA-HMY53-CLHX-L4HW-L");
93     }
94 
95     @Test
knownValues()96     public void knownValues() {
97         assertThat(
98                 mEsidCalculator.calculateEnterpriseId(SOME_PACKAGE, SOME_ENTERPRISE_ID)).isEqualTo(
99                 "FP7B-RXQW-Q77F-7J6FC-5RXZ-UJI6-6");
100         assertThat(mEsidCalculator.calculateEnterpriseId(SOME_PACKAGE,
101                 ANOTHER_ENTERPRISE_ID)).isEqualTo("ATAL-VPIX-GBNZ-NE3TF-TDEV-3OVO-C");
102         assertThat(mEsidCalculator.calculateEnterpriseId(ANOTHER_PACKAGE,
103                 SOME_ENTERPRISE_ID)).isEqualTo("JHU3-6SHH-YLHC-ZGETD-PWNI-7NPQ-S");
104         assertThat(mEsidCalculator.calculateEnterpriseId(ANOTHER_PACKAGE,
105                 ANOTHER_ENTERPRISE_ID)).isEqualTo("LEF3-QBEC-UQ6O-RIOCX-TQF6-GRLV-F");
106     }
107 }
108