xref: /freebsd/contrib/kyua/cli/cmd_report.cpp (revision b4e38a41f584ad4391c04b8cfec81f46176b18b0)
1 // Copyright 2011 The Kyua Authors.
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28 
29 #include "cli/cmd_report.hpp"
30 
31 #include <algorithm>
32 #include <cstddef>
33 #include <cstdlib>
34 #include <map>
35 #include <ostream>
36 #include <string>
37 #include <vector>
38 
39 #include "cli/common.ipp"
40 #include "drivers/scan_results.hpp"
41 #include "model/context.hpp"
42 #include "model/metadata.hpp"
43 #include "model/test_case.hpp"
44 #include "model/test_program.hpp"
45 #include "model/test_result.hpp"
46 #include "model/types.hpp"
47 #include "store/layout.hpp"
48 #include "store/read_transaction.hpp"
49 #include "utils/cmdline/exceptions.hpp"
50 #include "utils/cmdline/options.hpp"
51 #include "utils/cmdline/parser.ipp"
52 #include "utils/cmdline/ui.hpp"
53 #include "utils/datetime.hpp"
54 #include "utils/defs.hpp"
55 #include "utils/format/macros.hpp"
56 #include "utils/fs/path.hpp"
57 #include "utils/optional.ipp"
58 #include "utils/sanity.hpp"
59 #include "utils/stream.hpp"
60 #include "utils/text/operations.ipp"
61 
62 namespace cmdline = utils::cmdline;
63 namespace config = utils::config;
64 namespace datetime = utils::datetime;
65 namespace fs = utils::fs;
66 namespace layout = store::layout;
67 namespace text = utils::text;
68 
69 using cli::cmd_report;
70 using utils::optional;
71 
72 
73 namespace {
74 
75 
76 /// Generates a plain-text report intended to be printed to the console.
77 class report_console_hooks : public drivers::scan_results::base_hooks {
78     /// Stream to which to write the report.
79     std::ostream& _output;
80 
81     /// Whether to include details in the report or not.
82     const bool _verbose;
83 
84     /// Collection of result types to include in the report.
85     const cli::result_types& _results_filters;
86 
87     /// Path to the results file being read.
88     const fs::path& _results_file;
89 
90     /// The start time of the first test.
91     optional< utils::datetime::timestamp > _start_time;
92 
93     /// The end time of the last test.
94     optional< utils::datetime::timestamp > _end_time;
95 
96     /// The total run time of the tests.  Note that we cannot subtract _end_time
97     /// from _start_time to compute this due to parallel execution.
98     utils::datetime::delta _runtime;
99 
100     /// Representation of a single result.
101     struct result_data {
102         /// The relative path to the test program.
103         utils::fs::path binary_path;
104 
105         /// The name of the test case.
106         std::string test_case_name;
107 
108         /// The result of the test case.
109         model::test_result result;
110 
111         /// The duration of the test case execution.
112         utils::datetime::delta duration;
113 
114         /// Constructs a new results data.
115         ///
116         /// \param binary_path_ The relative path to the test program.
117         /// \param test_case_name_ The name of the test case.
118         /// \param result_ The result of the test case.
119         /// \param duration_ The duration of the test case execution.
120         result_data(const utils::fs::path& binary_path_,
121                     const std::string& test_case_name_,
122                     const model::test_result& result_,
123                     const utils::datetime::delta& duration_) :
124             binary_path(binary_path_), test_case_name(test_case_name_),
125             result(result_), duration(duration_)
126         {
127         }
128     };
129 
130     /// Results received, broken down by their type.
131     ///
132     /// Note that this may not include all results, as keeping the whole list in
133     /// memory may be too much.
134     std::map< model::test_result_type, std::vector< result_data > > _results;
135 
136     /// Pretty-prints the value of an environment variable.
137     ///
138     /// \param indent Prefix for the lines to print.  Continuation lines
139     ///     use this indentation twice.
140     /// \param name Name of the variable.
141     /// \param value Value of the variable.  Can have newlines.
142     void
143     print_env_var(const char* indent, const std::string& name,
144                   const std::string& value)
145     {
146         const std::vector< std::string > lines = text::split(value, '\n');
147         if (lines.size() == 0) {
148             _output << F("%s%s=\n") % indent % name;;
149         } else {
150             _output << F("%s%s=%s\n") % indent % name % lines[0];
151             for (std::vector< std::string >::size_type i = 1;
152                  i < lines.size(); ++i) {
153                 _output << F("%s%s%s\n") % indent % indent % lines[i];
154             }
155         }
156     }
157 
158     /// Prints the execution context to the output.
159     ///
160     /// \param context The context to dump.
161     void
162     print_context(const model::context& context)
163     {
164         _output << "===> Execution context\n";
165 
166         _output << F("Current directory: %s\n") % context.cwd();
167         const std::map< std::string, std::string >& env = context.env();
168         if (env.empty())
169             _output << "No environment variables recorded\n";
170         else {
171             _output << "Environment variables:\n";
172             for (std::map< std::string, std::string >::const_iterator
173                      iter = env.begin(); iter != env.end(); iter++) {
174                 print_env_var("    ", (*iter).first, (*iter).second);
175             }
176         }
177     }
178 
179     /// Dumps a detailed view of the test case.
180     ///
181     /// \param result_iter Results iterator pointing at the test case to be
182     ///     dumped.
183     void
184     print_test_case_and_result(const store::results_iterator& result_iter)
185     {
186         const model::test_case& test_case =
187             result_iter.test_program()->find(result_iter.test_case_name());
188         const model::properties_map props =
189             test_case.get_metadata().to_properties();
190 
191         _output << F("===> %s:%s\n") %
192             result_iter.test_program()->relative_path() %
193             result_iter.test_case_name();
194         _output << F("Result:     %s\n") %
195             cli::format_result(result_iter.result());
196         _output << F("Start time: %s\n") %
197             result_iter.start_time().to_iso8601_in_utc();
198         _output << F("End time:   %s\n") %
199             result_iter.end_time().to_iso8601_in_utc();
200         _output << F("Duration:   %s\n") %
201             cli::format_delta(result_iter.end_time() -
202                               result_iter.start_time());
203 
204         _output << "\n";
205         _output << "Metadata:\n";
206         for (model::properties_map::const_iterator iter = props.begin();
207              iter != props.end(); ++iter) {
208             if ((*iter).second.empty()) {
209                 _output << F("    %s is empty\n") % (*iter).first;
210             } else {
211                 _output << F("    %s = %s\n") % (*iter).first % (*iter).second;
212             }
213         }
214 
215         const std::string stdout_contents = result_iter.stdout_contents();
216         if (!stdout_contents.empty()) {
217             _output << "\n"
218                     << "Standard output:\n"
219                     << stdout_contents;
220         }
221 
222         const std::string stderr_contents = result_iter.stderr_contents();
223         if (!stderr_contents.empty()) {
224             _output << "\n"
225                     << "Standard error:\n"
226                     << stderr_contents;
227         }
228     }
229 
230     /// Counts how many results of a given type have been received.
231     ///
232     /// \param type Test result type to count results for.
233     ///
234     /// \return The number of test results with \p type.
235     std::size_t
236     count_results(const model::test_result_type type)
237     {
238         const std::map< model::test_result_type,
239                         std::vector< result_data > >::const_iterator iter =
240             _results.find(type);
241         if (iter == _results.end())
242             return 0;
243         else
244             return (*iter).second.size();
245     }
246 
247     /// Prints a set of results.
248     ///
249     /// \param type Test result type to print results for.
250     /// \param title Title used when printing results.
251     void
252     print_results(const model::test_result_type type,
253                   const char* title)
254     {
255         const std::map< model::test_result_type,
256                         std::vector< result_data > >::const_iterator iter2 =
257             _results.find(type);
258         if (iter2 == _results.end())
259             return;
260         const std::vector< result_data >& all = (*iter2).second;
261 
262         _output << F("===> %s\n") % title;
263         for (std::vector< result_data >::const_iterator iter = all.begin();
264              iter != all.end(); iter++) {
265             _output << F("%s:%s  ->  %s  [%s]\n") % (*iter).binary_path %
266                 (*iter).test_case_name %
267                 cli::format_result((*iter).result) %
268                 cli::format_delta((*iter).duration);
269         }
270     }
271 
272 public:
273     /// Constructor for the hooks.
274     ///
275     /// \param [out] output_ Stream to which to write the report.
276     /// \param verbose_ Whether to include details in the output or not.
277     /// \param results_filters_ The result types to include in the report.
278     ///     Cannot be empty.
279     /// \param results_file_ Path to the results file being read.
280     report_console_hooks(std::ostream& output_, const bool verbose_,
281                          const cli::result_types& results_filters_,
282                          const fs::path& results_file_) :
283         _output(output_),
284         _verbose(verbose_),
285         _results_filters(results_filters_),
286         _results_file(results_file_)
287     {
288         PRE(!results_filters_.empty());
289     }
290 
291     /// Callback executed when the context is loaded.
292     ///
293     /// \param context The context loaded from the database.
294     void
295     got_context(const model::context& context)
296     {
297         if (_verbose)
298             print_context(context);
299     }
300 
301     /// Callback executed when a test results is found.
302     ///
303     /// \param iter Container for the test result's data.
304     void
305     got_result(store::results_iterator& iter)
306     {
307         if (!_start_time || _start_time.get() > iter.start_time())
308             _start_time = iter.start_time();
309         if (!_end_time || _end_time.get() < iter.end_time())
310             _end_time = iter.end_time();
311 
312         const datetime::delta duration = iter.end_time() - iter.start_time();
313 
314         _runtime += duration;
315         const model::test_result result = iter.result();
316         _results[result.type()].push_back(
317             result_data(iter.test_program()->relative_path(),
318                         iter.test_case_name(), iter.result(), duration));
319 
320         if (_verbose) {
321             // TODO(jmmv): _results_filters is a list and is small enough for
322             // std::find to not be an expensive operation here (probably).  But
323             // we should be using a std::set instead.
324             if (std::find(_results_filters.begin(), _results_filters.end(),
325                           iter.result().type()) != _results_filters.end()) {
326                 print_test_case_and_result(iter);
327             }
328         }
329     }
330 
331     /// Prints the tests summary.
332     void
333     end(const drivers::scan_results::result& /* r */)
334     {
335         typedef std::map< model::test_result_type, const char* > types_map;
336 
337         types_map titles;
338         titles[model::test_result_broken] = "Broken tests";
339         titles[model::test_result_expected_failure] = "Expected failures";
340         titles[model::test_result_failed] = "Failed tests";
341         titles[model::test_result_passed] = "Passed tests";
342         titles[model::test_result_skipped] = "Skipped tests";
343 
344         for (cli::result_types::const_iterator iter = _results_filters.begin();
345              iter != _results_filters.end(); ++iter) {
346             const types_map::const_iterator match = titles.find(*iter);
347             INV_MSG(match != titles.end(), "Conditional does not match user "
348                     "input validation in parse_types()");
349             print_results((*match).first, (*match).second);
350         }
351 
352         const std::size_t broken = count_results(model::test_result_broken);
353         const std::size_t failed = count_results(model::test_result_failed);
354         const std::size_t passed = count_results(model::test_result_passed);
355         const std::size_t skipped = count_results(model::test_result_skipped);
356         const std::size_t xfail = count_results(
357             model::test_result_expected_failure);
358         const std::size_t total = broken + failed + passed + skipped + xfail;
359 
360         _output << "===> Summary\n";
361         _output << F("Results read from %s\n") % _results_file;
362         _output << F("Test cases: %s total, %s skipped, %s expected failures, "
363                      "%s broken, %s failed\n") %
364             total % skipped % xfail % broken % failed;
365         if (_verbose && _start_time) {
366             INV(_end_time);
367             _output << F("Start time: %s\n") %
368                     _start_time.get().to_iso8601_in_utc();
369             _output << F("End time:   %s\n") %
370                     _end_time.get().to_iso8601_in_utc();
371         }
372         _output << F("Total time: %s\n") % cli::format_delta(_runtime);
373     }
374 };
375 
376 
377 }  // anonymous namespace
378 
379 
380 /// Default constructor for cmd_report.
381 cmd_report::cmd_report(void) : cli_command(
382     "report", "", 0, -1,
383     "Generates a report with the results of a test suite run")
384 {
385     add_option(results_file_open_option);
386     add_option(cmdline::bool_option(
387         "verbose", "Include the execution context and the details of each test "
388         "case in the report"));
389     add_option(cmdline::path_option("output", "Path to the output file", "path",
390                                     "/dev/stdout"));
391     add_option(results_filter_option);
392 }
393 
394 
395 /// Entry point for the "report" subcommand.
396 ///
397 /// \param ui Object to interact with the I/O of the program.
398 /// \param cmdline Representation of the command line to the subcommand.
399 ///
400 /// \return 0 if everything is OK, 1 if the statement is invalid or if there is
401 /// any other problem.
402 int
403 cmd_report::run(cmdline::ui* ui,
404                 const cmdline::parsed_cmdline& cmdline,
405                 const config::tree& /* user_config */)
406 {
407     std::auto_ptr< std::ostream > output = utils::open_ostream(
408         cmdline.get_option< cmdline::path_option >("output"));
409 
410     const fs::path results_file = layout::find_results(
411         results_file_open(cmdline));
412 
413     const result_types types = get_result_types(cmdline);
414     report_console_hooks hooks(*output.get(), cmdline.has_option("verbose"),
415                                types, results_file);
416     const drivers::scan_results::result result = drivers::scan_results::drive(
417         results_file, parse_filters(cmdline.arguments()), hooks);
418 
419     return report_unused_filters(result.unused_filters, ui) ?
420         EXIT_FAILURE : EXIT_SUCCESS;
421 }
422