xref: /freebsd/contrib/kyua/utils/cmdline/ui_mock.hpp (revision b0d29bc47dba79f6f38e67eabadfb4b32ffd9390)
1*b0d29bc4SBrooks Davis // Copyright 2010 The Kyua Authors.
2*b0d29bc4SBrooks Davis // All rights reserved.
3*b0d29bc4SBrooks Davis //
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5*b0d29bc4SBrooks Davis // modification, are permitted provided that the following conditions are
6*b0d29bc4SBrooks Davis // met:
7*b0d29bc4SBrooks Davis //
8*b0d29bc4SBrooks Davis // * Redistributions of source code must retain the above copyright
9*b0d29bc4SBrooks Davis //   notice, this list of conditions and the following disclaimer.
10*b0d29bc4SBrooks Davis // * Redistributions in binary form must reproduce the above copyright
11*b0d29bc4SBrooks Davis //   notice, this list of conditions and the following disclaimer in the
12*b0d29bc4SBrooks Davis //   documentation and/or other materials provided with the distribution.
13*b0d29bc4SBrooks Davis // * Neither the name of Google Inc. nor the names of its contributors
14*b0d29bc4SBrooks Davis //   may be used to endorse or promote products derived from this software
15*b0d29bc4SBrooks Davis //   without specific prior written permission.
16*b0d29bc4SBrooks Davis //
17*b0d29bc4SBrooks Davis // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18*b0d29bc4SBrooks Davis // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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28*b0d29bc4SBrooks Davis 
29*b0d29bc4SBrooks Davis /// \file utils/cmdline/ui_mock.hpp
30*b0d29bc4SBrooks Davis /// Provides the utils::cmdline::ui_mock class.
31*b0d29bc4SBrooks Davis ///
32*b0d29bc4SBrooks Davis /// This file is only supposed to be included from test program, never from
33*b0d29bc4SBrooks Davis /// production code.
34*b0d29bc4SBrooks Davis 
35*b0d29bc4SBrooks Davis #if !defined(UTILS_CMDLINE_UI_MOCK_HPP)
36*b0d29bc4SBrooks Davis #define UTILS_CMDLINE_UI_MOCK_HPP
37*b0d29bc4SBrooks Davis 
38*b0d29bc4SBrooks Davis #include <cstddef>
39*b0d29bc4SBrooks Davis #include <string>
40*b0d29bc4SBrooks Davis #include <vector>
41*b0d29bc4SBrooks Davis 
42*b0d29bc4SBrooks Davis #include "utils/cmdline/ui.hpp"
43*b0d29bc4SBrooks Davis 
44*b0d29bc4SBrooks Davis namespace utils {
45*b0d29bc4SBrooks Davis namespace cmdline {
46*b0d29bc4SBrooks Davis 
47*b0d29bc4SBrooks Davis 
48*b0d29bc4SBrooks Davis /// Testable interface to interact with the CLI.
49*b0d29bc4SBrooks Davis ///
50*b0d29bc4SBrooks Davis /// This class records all writes to stdout and stderr to allow further
51*b0d29bc4SBrooks Davis /// inspection for testing purposes.
52*b0d29bc4SBrooks Davis class ui_mock : public ui {
53*b0d29bc4SBrooks Davis     /// Fake width of the screen; if 0, represents none.
54*b0d29bc4SBrooks Davis     std::size_t _screen_width;
55*b0d29bc4SBrooks Davis 
56*b0d29bc4SBrooks Davis     /// Messages sent to stderr.
57*b0d29bc4SBrooks Davis     std::vector< std::string > _err_log;
58*b0d29bc4SBrooks Davis 
59*b0d29bc4SBrooks Davis     /// Messages sent to stdout.
60*b0d29bc4SBrooks Davis     std::vector< std::string > _out_log;
61*b0d29bc4SBrooks Davis 
62*b0d29bc4SBrooks Davis public:
63*b0d29bc4SBrooks Davis     ui_mock(const std::size_t = 0);
64*b0d29bc4SBrooks Davis 
65*b0d29bc4SBrooks Davis     void err(const std::string&, const bool = true);
66*b0d29bc4SBrooks Davis     void out(const std::string&, const bool = true);
67*b0d29bc4SBrooks Davis     optional< std::size_t > screen_width(void) const;
68*b0d29bc4SBrooks Davis 
69*b0d29bc4SBrooks Davis     const std::vector< std::string >& err_log(void) const;
70*b0d29bc4SBrooks Davis     const std::vector< std::string >& out_log(void) const;
71*b0d29bc4SBrooks Davis };
72*b0d29bc4SBrooks Davis 
73*b0d29bc4SBrooks Davis 
74*b0d29bc4SBrooks Davis }  // namespace cmdline
75*b0d29bc4SBrooks Davis }  // namespace utils
76*b0d29bc4SBrooks Davis 
77*b0d29bc4SBrooks Davis 
78*b0d29bc4SBrooks Davis #endif  // !defined(UTILS_CMDLINE_UI_MOCK_HPP)
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