1 /*
2  * Copyright (C) 2024 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.nfc.cardemulation;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 import static org.mockito.ArgumentMatchers.anyString;
21 import static org.mockito.Mockito.doNothing;
22 import static org.mockito.Mockito.times;
23 import static org.mockito.Mockito.never;
24 import static org.mockito.Mockito.verify;
25 import static org.mockito.Mockito.when;
26 
27 import android.content.Context;
28 import androidx.test.platform.app.InstrumentationRegistry;
29 
30 import com.android.dx.mockito.inline.extended.ExtendedMockito;
31 import com.android.nfc.NfcService;
32 import com.android.nfc.cardemulation.RegisteredT3tIdentifiersCache;
33 import com.android.nfc.cardemulation.RegisteredT3tIdentifiersCache.T3tIdentifier;
34 
35 import java.io.PrintWriter;
36 import java.util.ArrayList;
37 
38 import org.junit.After;
39 import org.junit.Assert;
40 import org.junit.Before;
41 import org.junit.Test;
42 import org.mockito.ArgumentCaptor;
43 import org.mockito.Captor;
44 import org.mockito.Mock;
45 import org.mockito.Mockito;
46 import org.mockito.MockitoAnnotations;
47 import org.mockito.MockitoSession;
48 import org.mockito.quality.Strictness;
49 
50 public class SystemCodeRoutingManagerTest {
51   private SystemCodeRoutingManager manager;
52   private MockitoSession mStaticMockSession;
53   private T3tIdentifier mIdentifier;
54   @Mock
55   private NfcService mNfcService;
56   @Mock
57   private PrintWriter mPw;
58 
59   @Captor
60   private ArgumentCaptor<String> systemCodeCaptor;
61   @Captor
62   private ArgumentCaptor<String> nfcId2Captor;
63   @Captor
64   private ArgumentCaptor<String> t3tPmmCaptor;
65 
66   private static final String IDENTIFIER_SYSTEM_CODE = "systemCode";
67   private static final String IDENTIFIER_NFCID_2 = "nfcid2";
68   private static final String IDENTIFIER_T3TPMM = "t3tpmm";
69 
70   @Before
setUp()71   public void setUp() {
72     mStaticMockSession = ExtendedMockito.mockitoSession()
73         .mockStatic(NfcService.class)
74         .strictness(Strictness.LENIENT)
75         .startMocking();
76     MockitoAnnotations.initMocks(this);
77 
78     Context context = InstrumentationRegistry.getInstrumentation().getTargetContext();
79     mIdentifier = new RegisteredT3tIdentifiersCache(context)
80         .new T3tIdentifier(IDENTIFIER_SYSTEM_CODE, IDENTIFIER_NFCID_2, IDENTIFIER_T3TPMM);
81     manager = new SystemCodeRoutingManager();
82 
83     when(NfcService.getInstance()).thenReturn(mNfcService);
84     doNothing().when(mNfcService).deregisterT3tIdentifier(anyString(), anyString(), anyString());
85     doNothing().when(mNfcService).registerT3tIdentifier(anyString(), anyString(), anyString());
86   }
87 
88   @After
tearDown()89   public void tearDown() {
90     mStaticMockSession.finishMocking();
91   }
92 
93   @Test
testConfigureRoutingWithNoItemsAddedOrRemoved()94   public void testConfigureRoutingWithNoItemsAddedOrRemoved() {
95     boolean result = manager.configureRouting(new ArrayList<T3tIdentifier>());
96 
97     assertThat(result).isFalse();
98     verify(mNfcService, never()).deregisterT3tIdentifier(anyString(), anyString(), anyString());
99     verify(mNfcService, never()).registerT3tIdentifier(anyString(), anyString(), anyString());
100     verify(mNfcService, never()).commitRouting();
101     assertThat(manager.mConfiguredT3tIdentifiers).isEmpty();
102   }
103 
104   @Test
testConfigureRoutingWithItemsAdded()105   public void testConfigureRoutingWithItemsAdded() {
106     ArrayList<T3tIdentifier> list = new ArrayList<>();
107     list.add(mIdentifier);
108 
109     boolean result = manager.configureRouting(list);
110 
111     assertThat(result).isTrue();
112     verify(mNfcService, never()).deregisterT3tIdentifier(anyString(), anyString(), anyString());
113     verify(mNfcService).registerT3tIdentifier(systemCodeCaptor.capture(),
114                                               nfcId2Captor.capture(),
115                                               t3tPmmCaptor.capture());
116     assertThat(systemCodeCaptor.getValue()).isEqualTo(IDENTIFIER_SYSTEM_CODE);
117     assertThat(nfcId2Captor.getValue()).isEqualTo(IDENTIFIER_NFCID_2);
118     assertThat(t3tPmmCaptor.getValue()).isEqualTo(IDENTIFIER_T3TPMM);
119     verify(mNfcService).commitRouting();
120     assertThat(manager.mConfiguredT3tIdentifiers.size()).isEqualTo(1);
121     assertThat(manager.mConfiguredT3tIdentifiers.get(0)).isEqualTo(mIdentifier);
122   }
123 
124   @Test
testConfigureRoutingWithItemsRemoved()125   public void testConfigureRoutingWithItemsRemoved() {
126     manager.mConfiguredT3tIdentifiers.add(mIdentifier);
127 
128     boolean result = manager.configureRouting(new ArrayList<T3tIdentifier>());
129 
130     assertThat(result).isTrue();
131     verify(mNfcService).deregisterT3tIdentifier(systemCodeCaptor.capture(),
132                                                 nfcId2Captor.capture(),
133                                                 t3tPmmCaptor.capture());
134     assertThat(systemCodeCaptor.getValue()).isEqualTo(IDENTIFIER_SYSTEM_CODE);
135     assertThat(nfcId2Captor.getValue()).isEqualTo(IDENTIFIER_NFCID_2);
136     assertThat(t3tPmmCaptor.getValue()).isEqualTo(IDENTIFIER_T3TPMM);
137     verify(mNfcService, never()).registerT3tIdentifier(anyString(), anyString(), anyString());
138     verify(mNfcService).commitRouting();
139     assertThat(manager.mConfiguredT3tIdentifiers).isEmpty();
140   }
141 
142   @Test
testOnNfccRoutingTableCleared()143   public void testOnNfccRoutingTableCleared() {
144     manager.mConfiguredT3tIdentifiers.add(mIdentifier);
145 
146     manager.onNfccRoutingTableCleared();
147 
148     verify(mNfcService).clearT3tIdentifiersCache();
149     assertThat(manager.mConfiguredT3tIdentifiers).isEmpty();
150   }
151 
152   @Test
testDump()153   public void testDump() {
154     manager.mConfiguredT3tIdentifiers.add(mIdentifier);
155 
156     manager.dump(/* fd = */ null, mPw, /* args = */ null);
157 
158     verify(mPw, times(2)).println(anyString());
159   }
160 }
161