xref: /freebsd/contrib/kyua/utils/cmdline/ui_mock.hpp (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
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28 
29 /// \file utils/cmdline/ui_mock.hpp
30 /// Provides the utils::cmdline::ui_mock class.
31 ///
32 /// This file is only supposed to be included from test program, never from
33 /// production code.
34 
35 #if !defined(UTILS_CMDLINE_UI_MOCK_HPP)
36 #define UTILS_CMDLINE_UI_MOCK_HPP
37 
38 #include <cstddef>
39 #include <string>
40 #include <vector>
41 
42 #include "utils/cmdline/ui.hpp"
43 
44 namespace utils {
45 namespace cmdline {
46 
47 
48 /// Testable interface to interact with the CLI.
49 ///
50 /// This class records all writes to stdout and stderr to allow further
51 /// inspection for testing purposes.
52 class ui_mock : public ui {
53     /// Fake width of the screen; if 0, represents none.
54     std::size_t _screen_width;
55 
56     /// Messages sent to stderr.
57     std::vector< std::string > _err_log;
58 
59     /// Messages sent to stdout.
60     std::vector< std::string > _out_log;
61 
62 public:
63     ui_mock(const std::size_t = 0);
64 
65     void err(const std::string&, const bool = true);
66     void out(const std::string&, const bool = true);
67     optional< std::size_t > screen_width(void) const;
68 
69     const std::vector< std::string >& err_log(void) const;
70     const std::vector< std::string >& out_log(void) const;
71 };
72 
73 
74 }  // namespace cmdline
75 }  // namespace utils
76 
77 
78 #endif  // !defined(UTILS_CMDLINE_UI_MOCK_HPP)
79