1 #include "config_parser.hpp"
2 
3 #include <phosphor-logging/elog-errors.hpp>
4 #include <stdplus/fd/atomic.hpp>
5 #include <stdplus/fd/fmt.hpp>
6 #include <stdplus/gtest/tmp.hpp>
7 #include <stdplus/print.hpp>
8 #include <xyz/openbmc_project/Common/error.hpp>
9 
10 #include <exception>
11 #include <format>
12 #include <fstream>
13 #include <stdexcept>
14 
15 #include <gmock/gmock.h>
16 #include <gtest/gtest.h>
17 
18 namespace phosphor
19 {
20 namespace network
21 {
22 namespace config
23 {
24 
25 using testing::ElementsAre;
26 using std::literals::string_view_literals::operator""sv;
27 
28 TEST(TestConvert, iCaseEq)
29 {
30     EXPECT_TRUE(icaseeq("VaL", "val"));
31     EXPECT_TRUE(icaseeq("[ab1", "[ab1"));
32 }
33 
34 TEST(TestConvert, ParseBool)
35 {
36     EXPECT_TRUE(parseBool("tRue").value());
37     EXPECT_FALSE(parseBool("tru").has_value());
38     EXPECT_TRUE(parseBool("t").value());
39     EXPECT_TRUE(parseBool("Yes").value());
40     EXPECT_FALSE(parseBool("ye").has_value());
41     EXPECT_TRUE(parseBool("y").value());
42     EXPECT_TRUE(parseBool("oN").value());
43 
44     EXPECT_FALSE(parseBool("fAlse").value());
45     EXPECT_FALSE(parseBool("fal").has_value());
46     EXPECT_FALSE(parseBool("f").value());
47     EXPECT_FALSE(parseBool("No").value());
48     EXPECT_FALSE(parseBool("n").value());
49     EXPECT_FALSE(parseBool("oFf").value());
50 }
51 
52 TEST(TestTypeChecking, Section)
53 {
54     Section("");
55     Section("fds#1!'\"");
56     EXPECT_THROW(Section("fds]sf"), std::invalid_argument);
57     EXPECT_THROW(Section("g\ng"), std::invalid_argument);
58 }
59 
60 TEST(TestTypeChecking, Value)
61 {
62     Value("");
63     Value("=fds1!'\"#=");
64     Value("fds]sf'' #");
65     EXPECT_THROW(Value("g\ng"), std::invalid_argument);
66 }
67 
68 TEST(TestTypeChecking, Key)
69 {
70     Key("");
71     Key("fds1!'\"#");
72     Key("fds]sf'' #");
73     EXPECT_THROW(Key("fds]sf'='"), std::invalid_argument);
74     EXPECT_THROW(Key("g\ng"), std::invalid_argument);
75 }
76 
77 class TestConfigParser : public stdplus::gtest::TestWithTmp
78 {
79   public:
80     std::string filename = std::format("{}/eth0.network", CaseTmpDir());
81     Parser parser;
82 
83     void WriteSampleFile()
84     {
85         std::ofstream filestream(filename);
86         filestream << "\n\n\n\nBad=key\n[Match]\n  # K=v \nName =eth0\n"
87                    << "[Network\nDHCP=true\n[DHCP]\nClientIdentifier= mac\n"
88                    << "[Network] a\nDHCP=false #hi\n\n\nDHCP  =   yes   \n"
89                    << " [ SEC ] \n'DHCP#'=\"#hi\"\nDHCP#=ho\n[Network]\n"
90                    << "Key=val\nAddress=::/0\n[]\n=\nKey";
91         filestream.close();
92     }
93 
94     void ValidateSectionMap()
95     {
96         EXPECT_THAT(
97             parser.map,
98             testing::ContainerEq(SectionMap(SectionMapInt{
99                 {"Match", {{{"Name", {"eth0"}}}}},
100                 {"Network",
101                  {
102                      {{"DHCP", {"true"}}},
103                      {{"DHCP", {"false #hi", "yes"}}},
104                      {{"Key", {"val"}}, {"Address", {"::/0"}}},
105                  }},
106                 {"DHCP", {{{"ClientIdentifier", {"mac"}}}}},
107                 {" SEC ", {{{"'DHCP#'", {"\"#hi\""}}, {"DHCP#", {"ho"}}}}},
108                 {"", {{{"", {""}}}}},
109             })));
110     }
111 };
112 
113 TEST_F(TestConfigParser, EmptyObject)
114 {
115     EXPECT_FALSE(parser.getFileExists());
116     EXPECT_TRUE(parser.getFilename().empty());
117     EXPECT_EQ(0, parser.getWarnings().size());
118     EXPECT_EQ(SectionMap(), parser.map);
119 }
120 
121 TEST_F(TestConfigParser, ReadDirectory)
122 {
123     parser.setFile("/");
124     EXPECT_FALSE(parser.getFileExists());
125     EXPECT_EQ("/", parser.getFilename());
126     EXPECT_EQ(1, parser.getWarnings().size());
127     EXPECT_EQ(SectionMap(), parser.map);
128 }
129 
130 TEST_F(TestConfigParser, ReadConfigDataMissingFile)
131 {
132     parser.setFile("/no-such-path");
133     EXPECT_FALSE(parser.getFileExists());
134     EXPECT_EQ("/no-such-path", parser.getFilename());
135     EXPECT_EQ(1, parser.getWarnings().size());
136     EXPECT_EQ(SectionMap(), parser.map);
137 }
138 
139 TEST_F(TestConfigParser, ReadConfigDataFromFile)
140 {
141     WriteSampleFile();
142     parser.setFile(filename);
143     EXPECT_TRUE(parser.getFileExists());
144     EXPECT_EQ(filename, parser.getFilename());
145     EXPECT_EQ(4, parser.getWarnings().size());
146     ValidateSectionMap();
147 
148     const auto& map = parser.map;
149 
150     EXPECT_EQ("eth0", *map.getLastValueString("Match", "Name"));
151     EXPECT_EQ("yes", *map.getLastValueString("Network", "DHCP"));
152     EXPECT_EQ(nullptr, map.getLastValueString("Match", "BadKey"));
153     EXPECT_EQ(nullptr, map.getLastValueString("BadSec", "Name"));
154     EXPECT_EQ(nullptr, map.getLastValueString("BadSec", "Name"));
155 
156     EXPECT_THAT(map.getValueStrings("Match", "Name"), ElementsAre("eth0"));
157     EXPECT_THAT(map.getValueStrings("DHCP", "ClientIdentifier"),
158                 ElementsAre("mac"));
159     EXPECT_THAT(map.getValueStrings("Network", "DHCP"),
160                 ElementsAre("true", "false #hi", "yes"));
161     EXPECT_THAT(map.getValueStrings(" SEC ", "'DHCP#'"),
162                 ElementsAre("\"#hi\""));
163     EXPECT_THAT(map.getValueStrings("Blah", "nil"), ElementsAre());
164     EXPECT_THAT(map.getValueStrings("Network", "nil"), ElementsAre());
165 }
166 
167 TEST_F(TestConfigParser, WriteConfigFile)
168 {
169     WriteSampleFile();
170     parser.setFile(filename);
171     EXPECT_EQ(4, parser.getWarnings().size());
172     ValidateSectionMap();
173 
174     parser.writeFile();
175 
176     parser.setFile(filename);
177     EXPECT_EQ(0, parser.getWarnings().size());
178     ValidateSectionMap();
179 }
180 
181 TEST_F(TestConfigParser, Perf)
182 {
183     GTEST_SKIP();
184     stdplus::fd::AtomicWriter file(std::format("{}/tmp.XXXXXX", CaseTmpDir()),
185                                    0600);
186     stdplus::fd::FormatBuffer out(file);
187     std::string obj(500, 'a');
188     std::string kv(500 * 70, 'b');
189     for (size_t i = 0; i < 500; ++i)
190     {
191         out.appends("["sv, std::string_view{obj}.substr(0, i + 1), "[\n"sv);
192         for (size_t j = 0; j < 70; j++)
193         {
194             auto sv = std::string_view(kv).substr(0, i * 70 + j + 1);
195             out.appends(sv, "="sv, sv, "\n"sv);
196         }
197     }
198     out.flush();
199     file.commit();
200 
201     auto start = std::chrono::steady_clock::now();
202     parser.setFile(filename);
203     stdplus::print("Duration: {}\n", std::chrono::steady_clock::now() - start);
204     // Make sure this test isn't enabled
205     EXPECT_FALSE(true);
206 }
207 
208 } // namespace config
209 } // namespace network
210 } // namespace phosphor
211