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 #include "client/mdns_utils.h" 18 19 #include <gtest/gtest.h> 20 21 namespace mdns { 22 23 TEST(mdns_utils, mdns_parse_instance_name) { 24 // Just the instance name 25 { 26 std::string str = "."; 27 auto res = mdns_parse_instance_name(str); 28 ASSERT_TRUE(res.has_value()); 29 EXPECT_EQ(str, res->instance_name); 30 EXPECT_TRUE(res->service_name.empty()); 31 EXPECT_TRUE(res->transport_type.empty()); 32 } 33 { 34 std::string str = "my.name"; 35 auto res = mdns_parse_instance_name(str); 36 ASSERT_TRUE(res.has_value()); 37 EXPECT_EQ(str, res->instance_name); 38 EXPECT_TRUE(res->service_name.empty()); 39 EXPECT_TRUE(res->transport_type.empty()); 40 } 41 { 42 std::string str = "my.name."; 43 auto res = mdns_parse_instance_name(str); 44 ASSERT_TRUE(res.has_value()); 45 EXPECT_EQ(str, res->instance_name); 46 EXPECT_TRUE(res->service_name.empty()); 47 EXPECT_TRUE(res->transport_type.empty()); 48 } 49 50 // With "_tcp", "_udp" transport type 51 for (const std::string_view transport : {"._tcp", "._udp"}) { 52 { 53 std::string str = android::base::StringPrintf("%s", transport.data()); 54 auto res = mdns_parse_instance_name(str); 55 EXPECT_FALSE(res.has_value()); 56 } 57 { 58 std::string str = android::base::StringPrintf("%s.", transport.data()); 59 auto res = mdns_parse_instance_name(str); 60 EXPECT_FALSE(res.has_value()); 61 } 62 { 63 std::string str = android::base::StringPrintf("service%s", transport.data()); 64 auto res = mdns_parse_instance_name(str); 65 EXPECT_FALSE(res.has_value()); 66 } 67 { 68 std::string str = android::base::StringPrintf(".service%s", transport.data()); 69 auto res = mdns_parse_instance_name(str); 70 EXPECT_FALSE(res.has_value()); 71 } 72 { 73 std::string str = android::base::StringPrintf("service.%s", transport.data()); 74 auto res = mdns_parse_instance_name(str); 75 EXPECT_FALSE(res.has_value()); 76 } 77 { 78 std::string str = android::base::StringPrintf("my.service%s", transport.data()); 79 auto res = mdns_parse_instance_name(str); 80 ASSERT_TRUE(res.has_value()); 81 EXPECT_EQ(res->instance_name, "my"); 82 EXPECT_EQ(res->service_name, "service"); 83 EXPECT_EQ(res->transport_type, transport.substr(1)); 84 } 85 { 86 std::string str = android::base::StringPrintf("my.service%s.", transport.data()); 87 auto res = mdns_parse_instance_name(str); 88 ASSERT_TRUE(res.has_value()); 89 EXPECT_EQ(res->instance_name, "my"); 90 EXPECT_EQ(res->service_name, "service"); 91 EXPECT_EQ(res->transport_type, transport.substr(1)); 92 } 93 { 94 std::string str = android::base::StringPrintf("my..service%s", transport.data()); 95 auto res = mdns_parse_instance_name(str); 96 ASSERT_TRUE(res.has_value()); 97 EXPECT_EQ(res->instance_name, "my."); 98 EXPECT_EQ(res->service_name, "service"); 99 EXPECT_EQ(res->transport_type, transport.substr(1)); 100 } 101 { 102 std::string str = android::base::StringPrintf("my.name.service%s.", transport.data()); 103 auto res = mdns_parse_instance_name(str); 104 ASSERT_TRUE(res.has_value()); 105 EXPECT_EQ(res->instance_name, "my.name"); 106 EXPECT_EQ(res->service_name, "service"); 107 EXPECT_EQ(res->transport_type, transport.substr(1)); 108 } 109 { 110 std::string str = android::base::StringPrintf("name.service.%s.", transport.data()); 111 auto res = mdns_parse_instance_name(str); 112 EXPECT_FALSE(res.has_value()); 113 } 114 115 // With ".local" domain 116 { 117 std::string str = ".local"; 118 auto res = mdns_parse_instance_name(str); 119 EXPECT_FALSE(res.has_value()); 120 } 121 { 122 std::string str = ".local."; 123 auto res = mdns_parse_instance_name(str); 124 EXPECT_FALSE(res.has_value()); 125 } 126 { 127 std::string str = "name.local"; 128 auto res = mdns_parse_instance_name(str); 129 EXPECT_FALSE(res.has_value()); 130 } 131 { 132 std::string str = android::base::StringPrintf("%s.local", transport.data()); 133 auto res = mdns_parse_instance_name(str); 134 EXPECT_FALSE(res.has_value()); 135 } 136 { 137 std::string str = android::base::StringPrintf("service%s.local", transport.data()); 138 auto res = mdns_parse_instance_name(str); 139 EXPECT_FALSE(res.has_value()); 140 } 141 { 142 std::string str = android::base::StringPrintf("name.service%s.local", transport.data()); 143 auto res = mdns_parse_instance_name(str); 144 ASSERT_TRUE(res.has_value()); 145 EXPECT_EQ(res->instance_name, "name"); 146 EXPECT_EQ(res->service_name, "service"); 147 EXPECT_EQ(res->transport_type, transport.substr(1)); 148 } 149 { 150 std::string str = 151 android::base::StringPrintf("name.service%s.local.", transport.data()); 152 auto res = mdns_parse_instance_name(str); 153 ASSERT_TRUE(res.has_value()); 154 EXPECT_EQ(res->instance_name, "name"); 155 EXPECT_EQ(res->service_name, "service"); 156 EXPECT_EQ(res->transport_type, transport.substr(1)); 157 } 158 { 159 std::string str = 160 android::base::StringPrintf("name.service%s..local.", transport.data()); 161 auto res = mdns_parse_instance_name(str); 162 EXPECT_FALSE(res.has_value()); 163 } 164 { 165 std::string str = 166 android::base::StringPrintf("name.service.%s.local.", transport.data()); 167 auto res = mdns_parse_instance_name(str); 168 EXPECT_FALSE(res.has_value()); 169 } 170 } 171 } 172 173 } // namespace mdns 174