xref: /freebsd/contrib/kyua/engine/config_test.cpp (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
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28 
29 #include "engine/config.hpp"
30 
31 #if defined(HAVE_CONFIG_H)
32 #   include "config.h"
33 #endif
34 
35 #include <stdexcept>
36 #include <vector>
37 
38 #include <atf-c++.hpp>
39 
40 #include "engine/exceptions.hpp"
41 #include "utils/cmdline/exceptions.hpp"
42 #include "utils/cmdline/parser.hpp"
43 #include "utils/config/tree.ipp"
44 #include "utils/passwd.hpp"
45 
46 namespace config = utils::config;
47 namespace fs = utils::fs;
48 namespace passwd = utils::passwd;
49 
50 using utils::none;
51 using utils::optional;
52 
53 
54 namespace {
55 
56 
57 /// Replaces the system user database with a fake one for testing purposes.
58 static void
59 set_mock_users(void)
60 {
61     std::vector< passwd::user > users;
62     users.push_back(passwd::user("user1", 100, 150));
63     users.push_back(passwd::user("user2", 200, 250));
64     passwd::set_mock_users_for_testing(users);
65 }
66 
67 
68 /// Checks that the default values of a config object match our expectations.
69 ///
70 /// This fails the test case if any field of the input config object is not
71 /// what we expect.
72 ///
73 /// \param config The configuration to validate.
74 static void
75 validate_defaults(const config::tree& config)
76 {
77     ATF_REQUIRE_EQ(
78         KYUA_ARCHITECTURE,
79         config.lookup< config::string_node >("architecture"));
80 
81     ATF_REQUIRE_EQ(
82         1,
83         config.lookup< config::positive_int_node >("parallelism"));
84 
85     ATF_REQUIRE_EQ(
86         KYUA_PLATFORM,
87         config.lookup< config::string_node >("platform"));
88 
89     ATF_REQUIRE(!config.is_set("unprivileged_user"));
90 
91     ATF_REQUIRE(config.all_properties("test_suites").empty());
92 }
93 
94 
95 }  // anonymous namespace
96 
97 
98 ATF_TEST_CASE_WITHOUT_HEAD(config__defaults);
99 ATF_TEST_CASE_BODY(config__defaults)
100 {
101     const config::tree user_config = engine::default_config();
102     validate_defaults(user_config);
103 }
104 
105 
106 ATF_TEST_CASE_WITHOUT_HEAD(config__set__parallelism);
107 ATF_TEST_CASE_BODY(config__set__parallelism)
108 {
109     config::tree user_config = engine::default_config();
110     user_config.set_string("parallelism", "8");
111     ATF_REQUIRE_THROW_RE(
112         config::error, "parallelism.*Must be a positive integer",
113         user_config.set_string("parallelism", "0"));
114     ATF_REQUIRE_THROW_RE(
115         config::error, "parallelism.*Must be a positive integer",
116         user_config.set_string("parallelism", "-1"));
117 }
118 
119 
120 ATF_TEST_CASE_WITHOUT_HEAD(config__load__defaults);
121 ATF_TEST_CASE_BODY(config__load__defaults)
122 {
123     atf::utils::create_file("config", "syntax(2)\n");
124 
125     const config::tree user_config = engine::load_config(fs::path("config"));
126     validate_defaults(user_config);
127 }
128 
129 
130 ATF_TEST_CASE_WITHOUT_HEAD(config__load__overrides);
131 ATF_TEST_CASE_BODY(config__load__overrides)
132 {
133     set_mock_users();
134 
135     atf::utils::create_file(
136         "config",
137         "syntax(2)\n"
138         "architecture = 'test-architecture'\n"
139         "parallelism = 16\n"
140         "platform = 'test-platform'\n"
141         "unprivileged_user = 'user2'\n"
142         "test_suites.mysuite.myvar = 'myvalue'\n");
143 
144     const config::tree user_config = engine::load_config(fs::path("config"));
145 
146     ATF_REQUIRE_EQ("test-architecture",
147                    user_config.lookup_string("architecture"));
148     ATF_REQUIRE_EQ("16",
149                    user_config.lookup_string("parallelism"));
150     ATF_REQUIRE_EQ("test-platform",
151                    user_config.lookup_string("platform"));
152 
153     const passwd::user& user = user_config.lookup< engine::user_node >(
154         "unprivileged_user");
155     ATF_REQUIRE_EQ("user2", user.name);
156     ATF_REQUIRE_EQ(200, user.uid);
157 
158     config::properties_map exp_test_suites;
159     exp_test_suites["test_suites.mysuite.myvar"] = "myvalue";
160 
161     ATF_REQUIRE(exp_test_suites == user_config.all_properties("test_suites"));
162 }
163 
164 
165 ATF_TEST_CASE_WITHOUT_HEAD(config__load__lua_error);
166 ATF_TEST_CASE_BODY(config__load__lua_error)
167 {
168     atf::utils::create_file("config", "this syntax is invalid\n");
169 
170     ATF_REQUIRE_THROW(engine::load_error, engine::load_config(
171         fs::path("config")));
172 }
173 
174 
175 ATF_TEST_CASE_WITHOUT_HEAD(config__load__bad_syntax__version);
176 ATF_TEST_CASE_BODY(config__load__bad_syntax__version)
177 {
178     atf::utils::create_file("config", "syntax(123)\n");
179 
180     ATF_REQUIRE_THROW_RE(engine::load_error,
181                          "Unsupported config version 123",
182                          engine::load_config(fs::path("config")));
183 }
184 
185 
186 ATF_TEST_CASE_WITHOUT_HEAD(config__load__missing_file);
187 ATF_TEST_CASE_BODY(config__load__missing_file)
188 {
189     ATF_REQUIRE_THROW_RE(engine::load_error, "Load of 'missing' failed",
190                          engine::load_config(fs::path("missing")));
191 }
192 
193 
194 ATF_INIT_TEST_CASES(tcs)
195 {
196     ATF_ADD_TEST_CASE(tcs, config__defaults);
197     ATF_ADD_TEST_CASE(tcs, config__set__parallelism);
198     ATF_ADD_TEST_CASE(tcs, config__load__defaults);
199     ATF_ADD_TEST_CASE(tcs, config__load__overrides);
200     ATF_ADD_TEST_CASE(tcs, config__load__lua_error);
201     ATF_ADD_TEST_CASE(tcs, config__load__bad_syntax__version);
202     ATF_ADD_TEST_CASE(tcs, config__load__missing_file);
203 }
204