1// Copyright 2010 Google Inc.
2// All rights reserved.
3//
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5// modification, are permitted provided that the following conditions are
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14//   may be used to endorse or promote products derived from this software
15//   without specific prior written permission.
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27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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
46namespace config = utils::config;
47namespace fs = utils::fs;
48namespace passwd = utils::passwd;
49
50using utils::none;
51using utils::optional;
52
53
54namespace {
55
56
57/// Replaces the system user database with a fake one for testing purposes.
58static void
59set_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.
74static void
75validate_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        KYUA_PLATFORM,
83        config.lookup< config::string_node >("platform"));
84
85    ATF_REQUIRE(!config.is_set("unprivileged_user"));
86
87    ATF_REQUIRE(config.all_properties("test_suites").empty());
88}
89
90
91}  // anonymous namespace
92
93
94ATF_TEST_CASE_WITHOUT_HEAD(config__defaults);
95ATF_TEST_CASE_BODY(config__defaults)
96{
97    const config::tree user_config = engine::default_config();
98    validate_defaults(user_config);
99}
100
101
102ATF_TEST_CASE_WITHOUT_HEAD(config__load__defaults);
103ATF_TEST_CASE_BODY(config__load__defaults)
104{
105    atf::utils::create_file("config", "syntax(2)\n");
106
107    const config::tree user_config = engine::load_config(fs::path("config"));
108    validate_defaults(user_config);
109}
110
111
112ATF_TEST_CASE_WITHOUT_HEAD(config__load__overrides);
113ATF_TEST_CASE_BODY(config__load__overrides)
114{
115    set_mock_users();
116
117    atf::utils::create_file(
118        "config",
119        "syntax(2)\n"
120        "architecture = 'test-architecture'\n"
121        "platform = 'test-platform'\n"
122        "unprivileged_user = 'user2'\n"
123        "test_suites.mysuite.myvar = 'myvalue'\n");
124
125    const config::tree user_config = engine::load_config(fs::path("config"));
126
127    ATF_REQUIRE_EQ("test-architecture",
128                   user_config.lookup_string("architecture"));
129    ATF_REQUIRE_EQ("test-platform",
130                   user_config.lookup_string("platform"));
131
132    const passwd::user& user = user_config.lookup< engine::user_node >(
133        "unprivileged_user");
134    ATF_REQUIRE_EQ("user2", user.name);
135    ATF_REQUIRE_EQ(200, user.uid);
136
137    config::properties_map exp_test_suites;
138    exp_test_suites["test_suites.mysuite.myvar"] = "myvalue";
139
140    ATF_REQUIRE(exp_test_suites == user_config.all_properties("test_suites"));
141}
142
143
144ATF_TEST_CASE_WITHOUT_HEAD(config__load__lua_error);
145ATF_TEST_CASE_BODY(config__load__lua_error)
146{
147    atf::utils::create_file("config", "this syntax is invalid\n");
148
149    ATF_REQUIRE_THROW(engine::load_error, engine::load_config(
150        fs::path("config")));
151}
152
153
154ATF_TEST_CASE_WITHOUT_HEAD(config__load__bad_syntax__version);
155ATF_TEST_CASE_BODY(config__load__bad_syntax__version)
156{
157    atf::utils::create_file("config", "syntax(123)\n");
158
159    ATF_REQUIRE_THROW_RE(engine::load_error,
160                         "Unsupported config version 123",
161                         engine::load_config(fs::path("config")));
162}
163
164
165ATF_TEST_CASE_WITHOUT_HEAD(config__load__missing_file);
166ATF_TEST_CASE_BODY(config__load__missing_file)
167{
168    ATF_REQUIRE_THROW_RE(engine::load_error, "Load of 'missing' failed",
169                         engine::load_config(fs::path("missing")));
170}
171
172
173ATF_INIT_TEST_CASES(tcs)
174{
175    ATF_ADD_TEST_CASE(tcs, config__defaults);
176    ATF_ADD_TEST_CASE(tcs, config__load__defaults);
177    ATF_ADD_TEST_CASE(tcs, config__load__overrides);
178    ATF_ADD_TEST_CASE(tcs, config__load__lua_error);
179    ATF_ADD_TEST_CASE(tcs, config__load__bad_syntax__version);
180    ATF_ADD_TEST_CASE(tcs, config__load__missing_file);
181}
182