xref: /freebsd/contrib/kyua/utils/cmdline/base_command_test.cpp (revision a90b9d0159070121c221b966469c3e36d912bf82)
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28 
29 #include "utils/cmdline/base_command.ipp"
30 
31 #include <atf-c++.hpp>
32 
33 #include "utils/cmdline/exceptions.hpp"
34 #include "utils/cmdline/options.hpp"
35 #include "utils/cmdline/parser.ipp"
36 #include "utils/cmdline/ui_mock.hpp"
37 #include "utils/defs.hpp"
38 
39 namespace cmdline = utils::cmdline;
40 
41 
42 namespace {
43 
44 
45 /// Mock command to test the cmdline::base_command base class.
46 ///
47 /// \param Data The type of the opaque data object passed to main().
48 /// \param ExpectedData The value run() will expect to find in the Data object
49 ///     passed to main().
50 template< typename Data, Data ExpectedData >
51 class mock_cmd : public cmdline::base_command< Data > {
52 public:
53     /// Indicates if run() has been called already and executed correctly.
54     bool executed;
55 
56     /// Contains the argument of --the_string after run() is executed.
57     std::string optvalue;
58 
59     /// Constructs a new mock command.
60     mock_cmd(void) :
61         cmdline::base_command< Data >("mock", "arg1 [arg2 [arg3]]", 1, 3,
62                                       "Command for testing."),
63         executed(false)
64     {
65         this->add_option(cmdline::string_option("the_string", "Test option",
66                                                 "arg"));
67     }
68 
69     /// Executes the command.
70     ///
71     /// \param cmdline Representation of the command line to the subcommand.
72     /// \param data Arbitrary data cookie passed to the command.
73     ///
74     /// \return A hardcoded number for testing purposes.
75     int
76     run(cmdline::ui* /* ui */,
77         const cmdline::parsed_cmdline& cmdline, const Data& data)
78     {
79         if (cmdline.has_option("the_string"))
80             optvalue = cmdline.get_option< cmdline::string_option >(
81                 "the_string");
82         ATF_REQUIRE_EQ(ExpectedData, data);
83         executed = true;
84         return 1234;
85     }
86 };
87 
88 
89 /// Mock command to test the cmdline::base_command_no_data base class.
90 class mock_cmd_no_data : public cmdline::base_command_no_data {
91 public:
92     /// Indicates if run() has been called already and executed correctly.
93     bool executed;
94 
95     /// Contains the argument of --the_string after run() is executed.
96     std::string optvalue;
97 
98     /// Constructs a new mock command.
99     mock_cmd_no_data(void) :
100         cmdline::base_command_no_data("mock", "arg1 [arg2 [arg3]]", 1, 3,
101                                       "Command for testing."),
102         executed(false)
103     {
104         add_option(cmdline::string_option("the_string", "Test option", "arg"));
105     }
106 
107     /// Executes the command.
108     ///
109     /// \param cmdline Representation of the command line to the subcommand.
110     ///
111     /// \return A hardcoded number for testing purposes.
112     int
113     run(cmdline::ui* /* ui */,
114         const cmdline::parsed_cmdline& cmdline)
115     {
116         if (cmdline.has_option("the_string"))
117             optvalue = cmdline.get_option< cmdline::string_option >(
118                 "the_string");
119         executed = true;
120         return 1234;
121     }
122 };
123 
124 
125 /// Implementation of a command to get access to parse_cmdline().
126 class parse_cmdline_portal : public cmdline::command_proto {
127 public:
128     /// Constructs a new mock command.
129     parse_cmdline_portal(void) :
130         cmdline::command_proto("portal", "arg1 [arg2 [arg3]]", 1, 3,
131                                "Command for testing.")
132     {
133         this->add_option(cmdline::string_option("the_string", "Test option",
134                                                 "arg"));
135     }
136 
137     /// Delegator for the internal parse_cmdline() method.
138     ///
139     /// \param args The input arguments to be parsed.
140     ///
141     /// \return The parsed command line, split in options and arguments.
142     cmdline::parsed_cmdline
143     operator()(const cmdline::args_vector& args) const
144     {
145         return parse_cmdline(args);
146     }
147 };
148 
149 
150 }  // anonymous namespace
151 
152 
153 ATF_TEST_CASE_WITHOUT_HEAD(command_proto__parse_cmdline__ok);
154 ATF_TEST_CASE_BODY(command_proto__parse_cmdline__ok)
155 {
156     cmdline::args_vector args;
157     args.push_back("portal");
158     args.push_back("--the_string=foo bar");
159     args.push_back("one arg");
160     args.push_back("another arg");
161     (void)parse_cmdline_portal()(args);
162 }
163 
164 
165 ATF_TEST_CASE_WITHOUT_HEAD(command_proto__parse_cmdline__parse_fail);
166 ATF_TEST_CASE_BODY(command_proto__parse_cmdline__parse_fail)
167 {
168     cmdline::args_vector args;
169     args.push_back("portal");
170     args.push_back("--foo-bar");
171     ATF_REQUIRE_THROW_RE(cmdline::usage_error, "Unknown.*foo-bar",
172                          (void)parse_cmdline_portal()(args));
173 }
174 
175 
176 ATF_TEST_CASE_WITHOUT_HEAD(command_proto__parse_cmdline__args_invalid);
177 ATF_TEST_CASE_BODY(command_proto__parse_cmdline__args_invalid)
178 {
179     cmdline::args_vector args;
180     args.push_back("portal");
181 
182     ATF_REQUIRE_THROW_RE(cmdline::usage_error, "Not enough arguments",
183                          (void)parse_cmdline_portal()(args));
184 
185     args.push_back("1");
186     args.push_back("2");
187     args.push_back("3");
188     args.push_back("4");
189     ATF_REQUIRE_THROW_RE(cmdline::usage_error, "Too many arguments",
190                          (void)parse_cmdline_portal()(args));
191 }
192 
193 
194 ATF_TEST_CASE_WITHOUT_HEAD(base_command__getters);
195 ATF_TEST_CASE_BODY(base_command__getters)
196 {
197     mock_cmd< int, 584 > cmd;
198     ATF_REQUIRE_EQ("mock", cmd.name());
199     ATF_REQUIRE_EQ("arg1 [arg2 [arg3]]", cmd.arg_list());
200     ATF_REQUIRE_EQ("Command for testing.", cmd.short_description());
201     ATF_REQUIRE_EQ(1, cmd.options().size());
202     ATF_REQUIRE_EQ("the_string", cmd.options()[0]->long_name());
203 }
204 
205 
206 ATF_TEST_CASE_WITHOUT_HEAD(base_command__main__ok)
207 ATF_TEST_CASE_BODY(base_command__main__ok)
208 {
209     mock_cmd< int, 584 > cmd;
210 
211     cmdline::ui_mock ui;
212     cmdline::args_vector args;
213     args.push_back("mock");
214     args.push_back("--the_string=foo bar");
215     args.push_back("one arg");
216     args.push_back("another arg");
217     ATF_REQUIRE_EQ(1234, cmd.main(&ui, args, 584));
218     ATF_REQUIRE(cmd.executed);
219     ATF_REQUIRE_EQ("foo bar", cmd.optvalue);
220 }
221 
222 
223 ATF_TEST_CASE_WITHOUT_HEAD(base_command__main__parse_cmdline_fail)
224 ATF_TEST_CASE_BODY(base_command__main__parse_cmdline_fail)
225 {
226     mock_cmd< int, 584 > cmd;
227 
228     cmdline::ui_mock ui;
229     cmdline::args_vector args;
230     args.push_back("mock");
231     args.push_back("--foo-bar");
232     ATF_REQUIRE_THROW_RE(cmdline::usage_error, "Unknown.*foo-bar",
233                          cmd.main(&ui, args, 584));
234     ATF_REQUIRE(!cmd.executed);
235 }
236 
237 
238 ATF_TEST_CASE_WITHOUT_HEAD(base_command_no_data__getters);
239 ATF_TEST_CASE_BODY(base_command_no_data__getters)
240 {
241     mock_cmd_no_data cmd;
242     ATF_REQUIRE_EQ("mock", cmd.name());
243     ATF_REQUIRE_EQ("arg1 [arg2 [arg3]]", cmd.arg_list());
244     ATF_REQUIRE_EQ("Command for testing.", cmd.short_description());
245     ATF_REQUIRE_EQ(1, cmd.options().size());
246     ATF_REQUIRE_EQ("the_string", cmd.options()[0]->long_name());
247 }
248 
249 
250 ATF_TEST_CASE_WITHOUT_HEAD(base_command_no_data__main__ok)
251 ATF_TEST_CASE_BODY(base_command_no_data__main__ok)
252 {
253     mock_cmd_no_data cmd;
254 
255     cmdline::ui_mock ui;
256     cmdline::args_vector args;
257     args.push_back("mock");
258     args.push_back("--the_string=foo bar");
259     args.push_back("one arg");
260     args.push_back("another arg");
261     ATF_REQUIRE_EQ(1234, cmd.main(&ui, args));
262     ATF_REQUIRE(cmd.executed);
263     ATF_REQUIRE_EQ("foo bar", cmd.optvalue);
264 }
265 
266 
267 ATF_TEST_CASE_WITHOUT_HEAD(base_command_no_data__main__parse_cmdline_fail)
268 ATF_TEST_CASE_BODY(base_command_no_data__main__parse_cmdline_fail)
269 {
270     mock_cmd_no_data cmd;
271 
272     cmdline::ui_mock ui;
273     cmdline::args_vector args;
274     args.push_back("mock");
275     args.push_back("--foo-bar");
276     ATF_REQUIRE_THROW_RE(cmdline::usage_error, "Unknown.*foo-bar",
277                          cmd.main(&ui, args));
278     ATF_REQUIRE(!cmd.executed);
279 }
280 
281 
282 ATF_INIT_TEST_CASES(tcs)
283 {
284     ATF_ADD_TEST_CASE(tcs, command_proto__parse_cmdline__ok);
285     ATF_ADD_TEST_CASE(tcs, command_proto__parse_cmdline__parse_fail);
286     ATF_ADD_TEST_CASE(tcs, command_proto__parse_cmdline__args_invalid);
287 
288     ATF_ADD_TEST_CASE(tcs, base_command__getters);
289     ATF_ADD_TEST_CASE(tcs, base_command__main__ok);
290     ATF_ADD_TEST_CASE(tcs, base_command__main__parse_cmdline_fail);
291 
292     ATF_ADD_TEST_CASE(tcs, base_command_no_data__getters);
293     ATF_ADD_TEST_CASE(tcs, base_command_no_data__main__ok);
294     ATF_ADD_TEST_CASE(tcs, base_command_no_data__main__parse_cmdline_fail);
295 }
296