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28 
29 #include "engine/drivers/debug_test.hpp"
30 
31 #include <stdexcept>
32 
33 #include "engine/filters.hpp"
34 #include "engine/kyuafile.hpp"
35 #include "engine/test_case.hpp"
36 #include "engine/test_program.hpp"
37 #include "engine/test_result.hpp"
38 #include "utils/defs.hpp"
39 #include "utils/format/macros.hpp"
40 #include "utils/fs/auto_cleaners.hpp"
41 #include "utils/optional.ipp"
42 #include "utils/signals/interrupts.hpp"
43 
44 namespace config = utils::config;
45 namespace fs = utils::fs;
46 namespace debug_test = engine::drivers::debug_test;
47 namespace signals = utils::signals;
48 
49 using utils::none;
50 using utils::optional;
51 
52 
53 namespace {
54 
55 
56 /// Looks for a single test case in the Kyuafile.
57 ///
58 /// \param filter A filter to match the desired test case.
59 /// \param kyuafile The test suite in which to look for the test case.
60 ///
61 /// \return A pointer to the test case if found.
62 ///
63 /// \throw std::runtime_error If the provided filter matches more than one test
64 ///     case or if the test case cannot be found.
65 static const engine::test_case_ptr
find_test_case(const engine::test_filter & filter,const engine::kyuafile & kyuafile)66 find_test_case(const engine::test_filter& filter,
67                const engine::kyuafile& kyuafile)
68 {
69     engine::test_case_ptr found;;
70 
71     for (engine::test_programs_vector::const_iterator p =
72          kyuafile.test_programs().begin(); p != kyuafile.test_programs().end();
73          p++) {
74         const engine::test_program_ptr& test_program = *p;
75 
76         if (!filter.matches_test_program(test_program->relative_path()))
77             continue;
78 
79         const engine::test_cases_vector test_cases = test_program->test_cases();
80 
81         for (engine::test_cases_vector::const_iterator
82              iter = test_cases.begin(); iter != test_cases.end(); iter++) {
83             const engine::test_case_ptr tc = *iter;
84 
85             if (filter.matches_test_case(test_program->relative_path(),
86                                          tc->name())) {
87                 if (found.get() != NULL)
88                     throw std::runtime_error(F("The filter '%s' matches more "
89                                                "than one test case") %
90                                              filter.str());
91                 found = tc;
92             }
93         }
94     }
95 
96     if (found.get() == NULL)
97         throw std::runtime_error(F("Unknown test case '%s'") % filter.str());
98 
99     return found;
100 }
101 
102 
103 }  // anonymous namespace
104 
105 
106 /// Executes the operation.
107 ///
108 /// \param kyuafile_path The path to the Kyuafile to be loaded.
109 /// \param build_root If not none, path to the built test programs.
110 /// \param filter The test case filter to locate the test to debug.
111 /// \param user_config The end-user configuration properties.
112 /// \param stdout_path The name of the file into which to store the test case
113 ///     stdout.
114 /// \param stderr_path The name of the file into which to store the test case
115 ///     stderr.
116 ///
117 /// \returns A structure with all results computed by this driver.
118 debug_test::result
drive(const fs::path & kyuafile_path,const optional<fs::path> build_root,const test_filter & filter,const config::tree & user_config,const fs::path & stdout_path,const fs::path & stderr_path)119 debug_test::drive(const fs::path& kyuafile_path,
120                   const optional< fs::path > build_root,
121                   const test_filter& filter,
122                   const config::tree& user_config,
123                   const fs::path& stdout_path,
124                   const fs::path& stderr_path)
125 {
126     const engine::kyuafile kyuafile = engine::kyuafile::load(
127         kyuafile_path, build_root);
128     const engine::test_case_ptr test_case = find_test_case(filter, kyuafile);
129     engine::test_case_hooks dummy_hooks;
130 
131     signals::interrupts_handler interrupts;
132 
133     const fs::auto_directory work_directory = fs::auto_directory::mkdtemp(
134         "kyua.XXXXXX");
135 
136     const engine::test_result test_result = debug_test_case(
137         test_case.get(), user_config, dummy_hooks, work_directory.directory(),
138         stdout_path, stderr_path);
139 
140     signals::check_interrupt();
141     return result(test_filter(
142                       test_case->container_test_program().relative_path(),
143                       test_case->name()), test_result);
144 }
145