xref: /freebsd/contrib/kyua/engine/scanner.hpp (revision 9f44a47fd07924afc035991af15d84e6585dea4f)
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28 
29 /// \file engine/scanner.hpp
30 /// Utilities to scan through list of tests in a test suite.
31 
32 #if !defined(ENGINE_SCANNER_HPP)
33 #define ENGINE_SCANNER_HPP
34 
35 #include "engine/scanner_fwd.hpp"
36 
37 #include <memory>
38 #include <set>
39 
40 #include "engine/filters_fwd.hpp"
41 #include "model/test_program_fwd.hpp"
42 #include "utils/optional_fwd.hpp"
43 
44 namespace engine {
45 
46 
47 /// Scans a list of test programs, yielding one test case at a time.
48 ///
49 /// This class contains the state necessary to process a collection of test
50 /// programs (possibly as provided by the Kyuafile) and to extract an arbitrary
51 /// (test program, test_case) pair out of them one at a time.
52 ///
53 /// The scanning algorithm guarantees that test programs are initialized
54 /// dynamically, should they need to load their list of test cases from disk.
55 ///
56 /// The order of the extraction is not guaranteed.
57 class scanner {
58     struct impl;
59     /// Pointer to the internal implementation data.
60     std::shared_ptr< impl > _pimpl;
61 
62 public:
63     scanner(const model::test_programs_vector&, const std::set< test_filter >&);
64     ~scanner(void);
65 
66     bool done(void);
67     utils::optional< scan_result > yield(void);
68 
69     std::set< test_filter > unused_filters(void) const;
70 };
71 
72 
73 }  // namespace engine
74 
75 
76 #endif  // !defined(ENGINE_SCANNER_HPP)
77