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28 
29 /// \file engine/test_case.hpp
30 /// Interface to interact with test cases.
31 
32 #if !defined(ENGINE_TEST_CASE_HPP)
33 #define ENGINE_TEST_CASE_HPP
34 
35 #include <ostream>
36 #include <string>
37 
38 #include "engine/metadata.hpp"
39 #include "utils/config/tree.hpp"
40 #include "utils/fs/path.hpp"
41 #include "utils/optional.hpp"
42 #include "utils/shared_ptr.hpp"
43 
44 namespace engine {
45 
46 
47 class test_result;
48 class test_program;
49 
50 
51 /// Hooks to introspect the execution of a test case.
52 ///
53 /// There is no guarantee that these hooks will be called during the execution
54 /// of the test case.  There are conditions in which they don't make sense.
55 ///
56 /// Note that this class is not abstract.  All hooks have default, empty
57 /// implementations.  The purpose of this is to simplify some tests that need to
58 /// pass hooks but that are not interested in the results.  We might want to
59 /// rethink this and provide an "empty subclass" of a base abstract template.
60 class test_case_hooks {
61 public:
62     virtual ~test_case_hooks(void);
63 
64     virtual void got_stdout(const utils::fs::path&);
65     virtual void got_stderr(const utils::fs::path&);
66 };
67 
68 
69 /// Representation of a test case.
70 class test_case {
71     struct impl;
72 
73     /// Pointer to the shared internal implementation.
74     std::shared_ptr< impl > _pimpl;
75 
76 public:
77     test_case(const std::string&, const test_program&,
78               const std::string&, const metadata&);
79     test_case(const std::string&, const test_program&,
80               const std::string&, const std::string&,
81               const engine::test_result&);
82     ~test_case(void);
83 
84     const std::string& interface_name(void) const;
85     const test_program& container_test_program(void) const;
86     const std::string& name(void) const;
87     const metadata& get_metadata(void) const;
88     utils::optional< test_result > fake_result(void) const;
89 
90     bool operator==(const test_case&) const;
91     bool operator!=(const test_case&) const;
92 };
93 
94 
95 std::ostream& operator<<(std::ostream&, const test_case&);
96 
97 
98 /// Pointer to a test case.
99 typedef std::shared_ptr< test_case > test_case_ptr;
100 
101 
102 test_result debug_test_case(const test_case*, const utils::config::tree&,
103                             test_case_hooks&, const utils::fs::path&,
104                             const utils::fs::path&, const utils::fs::path&);
105 test_result run_test_case(const test_case*, const utils::config::tree&,
106                           test_case_hooks&, const utils::fs::path&);
107 
108 
109 }  // namespace engine
110 
111 
112 #endif  // !defined(ENGINE_TEST_CASE_HPP)
113