tests/test.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        test.cpp
   3 // Purpose:     Test program for wxWidgets
   4 // Author:      Mike Wetherell
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 2004 Mike Wetherell
   7 // Licence:     wxWindows licence
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 // For compilers that support precompilation, includes "wx/wx.h"
  15 // and "wx/cppunit.h"
  16 #include "testprec.h"
  17
  18 #ifdef __BORLANDC__
  19     #pragma hdrstop
  20 #endif
  21
  22 // for all others, include the necessary headers
  23 #ifndef WX_PRECOMP
  24     #include "wx/wx.h"
  25 #endif
  26
  27 #include "wx/beforestd.h"
  28 #ifdef __VISUALC__
  29     #pragma warning(disable:4100)
  30 #endif
  31
  32 #include <cppunit/TestListener.h>
  33 #include <cppunit/Protector.h>
  34 #include <cppunit/Test.h>
  35 #include <cppunit/TestResult.h>
  36 #include <cppunit/TestFailure.h>
  37 #include <cppunit/TestResultCollector.h>
  38
  39 #ifdef __VISUALC__
  40     #pragma warning(default:4100)
  41 #endif
  42 #include "wx/afterstd.h"
  43
  44 #include "wx/cmdline.h"
  45 #include <exception>
  46 #include <iostream>
  47
  48 #ifdef __WINDOWS__
  49     #include "wx/msw/msvcrt.h"
  50 #endif
  51
  52 #ifdef __WXOSX__
  53     #include "wx/osx/private.h"
  54 #endif
  55
  56 #if wxUSE_GUI
  57     #include "testableframe.h"
  58 #endif
  59
  60 #include "wx/socket.h"
  61 #include "wx/evtloop.h"
  62
  63 using namespace std;
  64
  65 using CppUnit::Test;
  66 using CppUnit::TestSuite;
  67 using CppUnit::TestFactoryRegistry;
  68
  69
  70 // ----------------------------------------------------------------------------
  71 // helper classes
  72 // ----------------------------------------------------------------------------
  73
  74 // exception class for MSVC debug CRT assertion failures
  75 #ifdef wxUSE_VC_CRTDBG
  76
  77 struct CrtAssertFailure
  78 {
  79     CrtAssertFailure(const char *message) : m_msg(message) { }
  80
  81     const wxString m_msg;
  82
  83     wxDECLARE_NO_ASSIGN_CLASS(CrtAssertFailure);
  84 };
  85
  86 #endif // wxUSE_VC_CRTDBG
  87
  88 #if wxDEBUG_LEVEL
  89
  90 // Information about the last not yet handled assertion.
  91 static wxString s_lastAssertMessage;
  92
  93 static wxString FormatAssertMessage(const wxString& file,
  94                                     int line,
  95                                     const wxString& func,
  96                                     const wxString& cond,
  97                                     const wxString& msg)
  98 {
  99     wxString str;
 100     str << "wxWidgets assert: " << cond << " failed "
 101            "at " << file << ":" << line << " in " << func
 102         << " with message '" << msg << "'";
 103     return str;
 104 }
 105
 106 static void TestAssertHandler(const wxString& file,
 107                               int line,
 108                               const wxString& func,
 109                               const wxString& cond,
 110                               const wxString& msg)
 111 {
 112     // Determine whether we can safely throw an exception to just make the test
 113     // fail or whether we need to abort (in this case "msg" will contain the
 114     // explanation why did we decide to do it).
 115     wxString abortReason;
 116
 117     const wxString
 118         assertMessage = FormatAssertMessage(file, line, func, cond, msg);
 119
 120     if ( !wxIsMainThread() )
 121     {
 122         // Exceptions thrown from worker threads are not caught currently and
 123         // so we'd just die without any useful information -- abort instead.
 124         abortReason << assertMessage << "in a worker thread.";
 125     }
 126     else if ( uncaught_exception() )
 127     {
 128         // Throwing while already handling an exception would result in
 129         // terminate() being called and we wouldn't get any useful information
 130         // about why the test failed then.
 131         if ( s_lastAssertMessage.empty() )
 132         {
 133             abortReason << assertMessage << "while handling an exception";
 134         }
 135         else // In this case the exception is due to a previous assert.
 136         {
 137             abortReason << s_lastAssertMessage << "\n  and another "
 138                         << assertMessage << " while handling it.";
 139         }
 140     }
 141     else // Can "safely" throw from here.
 142     {
 143         // Remember this in case another assert happens while handling this
 144         // exception: we want to show the original assert as it's usually more
 145         // useful to determine the real root of the problem.
 146         s_lastAssertMessage = assertMessage;
 147
 148         throw TestAssertFailure(file, line, func, cond, msg);
 149     }
 150
 151     wxFputs(abortReason, stderr);
 152     fflush(stderr);
 153     _exit(-1);
 154 }
 155
 156 #endif // wxDEBUG_LEVEL
 157
 158 // this function should only be called from a catch clause
 159 static string GetExceptionMessage()
 160 {
 161     wxString msg;
 162
 163     try
 164     {
 165         throw;
 166     }
 167 #if wxDEBUG_LEVEL
 168     catch ( TestAssertFailure& e )
 169     {
 170         msg = s_lastAssertMessage;
 171         s_lastAssertMessage.clear();
 172     }
 173 #endif // wxDEBUG_LEVEL
 174 #ifdef wxUSE_VC_CRTDBG
 175     catch ( CrtAssertFailure& e )
 176     {
 177         msg << "CRT assert failure: " << e.m_msg;
 178     }
 179 #endif // wxUSE_VC_CRTDBG
 180     catch ( std::exception& e )
 181     {
 182         msg << "std::exception: " << e.what();
 183     }
 184     catch ( ... )
 185     {
 186         msg = "Unknown exception caught.";
 187     }
 188
 189     return string(msg.mb_str());
 190 }
 191
 192 // Protector adding handling of wx-specific (this includes MSVC debug CRT in
 193 // this context) exceptions
 194 class wxUnitTestProtector : public CppUnit::Protector
 195 {
 196 public:
 197     virtual bool protect(const CppUnit::Functor &functor,
 198                          const CppUnit::ProtectorContext& context)
 199     {
 200         try
 201         {
 202             return functor();
 203         }
 204         catch ( std::exception& )
 205         {
 206             // cppunit deals with the standard exceptions itself, let it do as
 207             // it output more details (especially for std::exception-derived
 208             // CppUnit::Exception) than we do
 209             throw;
 210         }
 211         catch ( ... )
 212         {
 213             reportError(context, CppUnit::Message("Uncaught exception",
 214                                                   GetExceptionMessage()));
 215         }
 216
 217         return false;
 218     }
 219 };
 220
 221 // Displays the test name before starting to execute it: this helps with
 222 // diagnosing where exactly does a test crash or hang when/if it does.
 223 class DetailListener : public CppUnit::TestListener
 224 {
 225 public:
 226     DetailListener(bool doTiming = false):
 227         CppUnit::TestListener(),
 228         m_timing(doTiming)
 229     {
 230     }
 231
 232     virtual void startTest(CppUnit::Test *test)
 233     {
 234         wxPrintf("  %-60s  ", test->getName());
 235         m_result = RESULT_OK;
 236         m_watch.Start();
 237     }
 238
 239     virtual void addFailure(const CppUnit::TestFailure& failure)
 240     {
 241         m_result = failure.isError() ? RESULT_ERROR : RESULT_FAIL;
 242     }
 243
 244     virtual void endTest(CppUnit::Test * WXUNUSED(test))
 245     {
 246         m_watch.Pause();
 247         wxPrintf(GetResultStr(m_result));
 248         if (m_timing)
 249             wxPrintf("  %6ld ms", m_watch.Time());
 250         wxPrintf("\n");
 251     }
 252
 253 protected :
 254     enum ResultType
 255     {
 256         RESULT_OK = 0,
 257         RESULT_FAIL,
 258         RESULT_ERROR,
 259         RESULT_MAX
 260     };
 261
 262     wxString GetResultStr(ResultType type) const
 263     {
 264         static const char *resultTypeNames[] =
 265         {
 266             "  OK",
 267             "FAIL",
 268             " ERR"
 269         };
 270
 271         wxCOMPILE_TIME_ASSERT( WXSIZEOF(resultTypeNames) == RESULT_MAX,
 272                                ResultTypeNamesMismatch );
 273
 274         return resultTypeNames[type];
 275     }
 276
 277     bool m_timing;
 278     wxStopWatch m_watch;
 279     ResultType m_result;
 280 };
 281
 282 #if wxUSE_GUI
 283     typedef wxApp TestAppBase;
 284 #else
 285     typedef wxAppConsole TestAppBase;
 286 #endif
 287
 288 // The application class
 289 //
 290 class TestApp : public TestAppBase
 291 {
 292 public:
 293     TestApp();
 294
 295     // standard overrides
 296     virtual void OnInitCmdLine(wxCmdLineParser& parser);
 297     virtual bool OnCmdLineParsed(wxCmdLineParser& parser);
 298     virtual bool OnInit();
 299     virtual int  OnRun();
 300     virtual int  OnExit();
 301
 302     // used by events propagation test
 303     virtual int FilterEvent(wxEvent& event);
 304     virtual bool ProcessEvent(wxEvent& event);
 305
 306     void SetFilterEventFunc(FilterEventFunc f) { m_filterEventFunc = f; }
 307     void SetProcessEventFunc(ProcessEventFunc f) { m_processEventFunc = f; }
 308
 309 private:
 310     void List(Test *test, const string& parent = "") const;
 311
 312     // call List() if m_list or runner.addTest() otherwise
 313     void AddTest(CppUnit::TestRunner& runner, Test *test)
 314     {
 315         if (m_list)
 316             List(test);
 317         else
 318             runner.addTest(test);
 319     }
 320
 321     // command lines options/parameters
 322     bool m_list;
 323     bool m_longlist;
 324     bool m_detail;
 325     bool m_timing;
 326     wxArrayString m_registries;
 327     wxLocale *m_locale;
 328
 329     // event loop for GUI tests
 330     wxEventLoop* m_eventloop;
 331
 332     // event handling hooks
 333     FilterEventFunc m_filterEventFunc;
 334     ProcessEventFunc m_processEventFunc;
 335 };
 336
 337 IMPLEMENT_APP_NO_MAIN(TestApp)
 338
 339
 340 // ----------------------------------------------------------------------------
 341 // global functions
 342 // ----------------------------------------------------------------------------
 343
 344 #ifdef wxUSE_VC_CRTDBG
 345
 346 static int TestCrtReportHook(int reportType, char *message, int *)
 347 {
 348     if ( reportType != _CRT_ASSERT )
 349         return FALSE;
 350
 351     throw CrtAssertFailure(message);
 352 }
 353
 354 #endif // wxUSE_VC_CRTDBG
 355
 356 int main(int argc, char **argv)
 357 {
 358     // tests can be ran non-interactively so make sure we don't show any assert
 359     // dialog boxes -- neither our own nor from MSVC debug CRT -- which would
 360     // prevent them from completing
 361
 362 #if wxDEBUG_LEVEL
 363     wxSetAssertHandler(TestAssertHandler);
 364 #endif // wxDEBUG_LEVEL
 365
 366 #ifdef wxUSE_VC_CRTDBG
 367     _CrtSetReportHook(TestCrtReportHook);
 368 #endif // wxUSE_VC_CRTDBG
 369
 370     try
 371     {
 372         return wxEntry(argc, argv);
 373     }
 374     catch ( ... )
 375     {
 376         cerr << "\n" << GetExceptionMessage() << endl;
 377     }
 378
 379     return -1;
 380 }
 381
 382 extern void SetFilterEventFunc(FilterEventFunc func)
 383 {
 384     wxGetApp().SetFilterEventFunc(func);
 385 }
 386
 387 extern void SetProcessEventFunc(ProcessEventFunc func)
 388 {
 389     wxGetApp().SetProcessEventFunc(func);
 390 }
 391
 392 extern bool IsNetworkAvailable()
 393 {
 394     // NOTE: we could use wxDialUpManager here if it was in wxNet; since it's in
 395     //       wxCore we use a simple rough test:
 396
 397     wxSocketBase::Initialize();
 398
 399     wxIPV4address addr;
 400     if (!addr.Hostname("www.google.com") || !addr.Service("www"))
 401     {
 402         wxSocketBase::Shutdown();
 403         return false;
 404     }
 405
 406     wxSocketClient sock;
 407     sock.SetTimeout(10);    // 10 secs
 408     bool online = sock.Connect(addr);
 409
 410     wxSocketBase::Shutdown();
 411
 412     return online;
 413 }
 414
 415 // helper of OnRun(): gets the test with the given name, returning NULL (and
 416 // not an empty test suite) if there is no such test
 417 static Test *GetTestByName(const wxString& name)
 418 {
 419     Test *
 420       test = TestFactoryRegistry::getRegistry(string(name.mb_str())).makeTest();
 421     if ( test )
 422     {
 423         TestSuite * const suite = dynamic_cast<TestSuite *>(test);
 424         if ( !suite || !suite->countTestCases() )
 425         {
 426             // it's a bogus test, don't use it
 427             delete test;
 428             test = NULL;
 429         }
 430     }
 431
 432     return test;
 433 }
 434
 435
 436 // ----------------------------------------------------------------------------
 437 // TestApp
 438 // ----------------------------------------------------------------------------
 439
 440 TestApp::TestApp()
 441   : m_list(false),
 442     m_longlist(false)
 443 {
 444     m_filterEventFunc = NULL;
 445     m_processEventFunc = NULL;
 446
 447     m_locale = NULL;
 448     m_eventloop = NULL;
 449 }
 450
 451 // Init
 452 //
 453 bool TestApp::OnInit()
 454 {
 455     if ( !TestAppBase::OnInit() )
 456         return false;
 457
 458 #if wxUSE_GUI
 459     cout << "Test program for wxWidgets GUI features\n"
 460 #else
 461     cout << "Test program for wxWidgets non-GUI features\n"
 462 #endif
 463          << "build: " << WX_BUILD_OPTIONS_SIGNATURE << std::endl;
 464
 465 #if wxUSE_GUI
 466     // create a hidden parent window to be used as parent for the GUI controls
 467     wxTestableFrame* frame = new wxTestableFrame();
 468     frame->Show();
 469
 470     m_eventloop = new wxEventLoop;
 471     wxEventLoop::SetActive(m_eventloop);
 472 #endif // wxUSE_GUI
 473
 474     return true;
 475 }
 476
 477 // The table of command line options
 478 //
 479 void TestApp::OnInitCmdLine(wxCmdLineParser& parser)
 480 {
 481     TestAppBase::OnInitCmdLine(parser);
 482
 483     static const wxCmdLineEntryDesc cmdLineDesc[] = {
 484         { wxCMD_LINE_SWITCH, "l", "list",
 485             "list the test suites, do not run them",
 486             wxCMD_LINE_VAL_NONE, 0 },
 487         { wxCMD_LINE_SWITCH, "L", "longlist",
 488             "list the test cases, do not run them",
 489             wxCMD_LINE_VAL_NONE, 0 },
 490         { wxCMD_LINE_SWITCH, "d", "detail",
 491             "print the test case names, run them",
 492             wxCMD_LINE_VAL_NONE, 0 },
 493         { wxCMD_LINE_SWITCH, "t", "timing",
 494             "print names and measure running time of individual test, run them",
 495             wxCMD_LINE_VAL_NONE, 0 },
 496         { wxCMD_LINE_OPTION, "", "locale",
 497             "locale to use when running the program",
 498             wxCMD_LINE_VAL_STRING, 0 },
 499         { wxCMD_LINE_PARAM, NULL, NULL, "REGISTRY", wxCMD_LINE_VAL_STRING,
 500             wxCMD_LINE_PARAM_OPTIONAL | wxCMD_LINE_PARAM_MULTIPLE },
 501         wxCMD_LINE_DESC_END
 502     };
 503
 504     parser.SetDesc(cmdLineDesc);
 505 }
 506
 507 // Handle command line options
 508 //
 509 bool TestApp::OnCmdLineParsed(wxCmdLineParser& parser)
 510 {
 511     if (parser.GetParamCount())
 512     {
 513         for (size_t i = 0; i < parser.GetParamCount(); i++)
 514             m_registries.push_back(parser.GetParam(i));
 515     }
 516
 517     m_longlist = parser.Found("longlist");
 518     m_list = m_longlist || parser.Found("list");
 519     m_timing = parser.Found("timing");
 520     m_detail = !m_timing && parser.Found("detail");
 521
 522     wxString loc;
 523     if ( parser.Found("locale", &loc) )
 524     {
 525         const wxLanguageInfo * const info = wxLocale::FindLanguageInfo(loc);
 526         if ( !info )
 527         {
 528             cerr << "Locale \"" << string(loc.mb_str()) << "\" is unknown.\n";
 529             return false;
 530         }
 531
 532         m_locale = new wxLocale(info->Language);
 533         if ( !m_locale->IsOk() )
 534         {
 535             cerr << "Using locale \"" << string(loc.mb_str()) << "\" failed.\n";
 536             return false;
 537         }
 538     }
 539
 540     return TestAppBase::OnCmdLineParsed(parser);
 541 }
 542
 543 // Event handling
 544 int TestApp::FilterEvent(wxEvent& event)
 545 {
 546     if ( m_filterEventFunc )
 547         return (*m_filterEventFunc)(event);
 548
 549     return TestAppBase::FilterEvent(event);
 550 }
 551
 552 bool TestApp::ProcessEvent(wxEvent& event)
 553 {
 554     if ( m_processEventFunc )
 555         return (*m_processEventFunc)(event);
 556
 557     return TestAppBase::ProcessEvent(event);
 558 }
 559
 560 // Run
 561 //
 562 int TestApp::OnRun()
 563 {
 564 #if wxUSE_GUI
 565 #ifdef __WXOSX__
 566     // make sure there's always an autorelease pool ready
 567     wxMacAutoreleasePool autoreleasepool;
 568 #endif
 569 #endif
 570
 571 #if wxUSE_LOG
 572     // Switch off logging unless --verbose
 573     bool verbose = wxLog::GetVerbose();
 574     wxLog::EnableLogging(verbose);
 575 #else
 576     bool verbose = false;
 577 #endif
 578
 579     CppUnit::TextTestRunner runner;
 580
 581     if ( m_registries.empty() )
 582     {
 583         // run or list all tests which use the CPPUNIT_TEST_SUITE_REGISTRATION() macro
 584         // (i.e. those registered in the "All tests" registry); if there are other
 585         // tests not registered with the CPPUNIT_TEST_SUITE_REGISTRATION() macro
 586         // then they won't be listed/run!
 587         AddTest(runner, TestFactoryRegistry::getRegistry().makeTest());
 588
 589         if (m_list)
 590         {
 591             cout << "\nNote that the list above is not complete as it doesn't include the \n";
 592             cout << "tests disabled by default.\n";
 593         }
 594     }
 595     else // run only the selected tests
 596     {
 597         for (size_t i = 0; i < m_registries.size(); i++)
 598         {
 599             const wxString reg = m_registries[i];
 600             Test *test = GetTestByName(reg);
 601
 602             if ( !test && !reg.EndsWith("TestCase") )
 603             {
 604                 test = GetTestByName(reg + "TestCase");
 605             }
 606
 607             if ( !test )
 608             {
 609                 cerr << "No such test suite: " << string(reg.mb_str()) << endl;
 610                 return 2;
 611             }
 612
 613             AddTest(runner, test);
 614         }
 615     }
 616
 617     if ( m_list )
 618         return EXIT_SUCCESS;
 619
 620     runner.setOutputter(new CppUnit::CompilerOutputter(&runner.result(), cout));
 621
 622     // there is a bug
 623     // (http://sf.net/tracker/index.php?func=detail&aid=1649369&group_id=11795&atid=111795)
 624     // in some versions of cppunit: they write progress dots to cout (and not
 625     // cerr) and don't flush it so all the dots appear at once at the end which
 626     // is not very useful so unbuffer cout to work around this
 627     cout.setf(ios::unitbuf);
 628
 629     // add detail listener if needed
 630     DetailListener detailListener(m_timing);
 631     if ( m_detail || m_timing )
 632         runner.eventManager().addListener(&detailListener);
 633
 634     // finally ensure that we report our own exceptions nicely instead of
 635     // giving "uncaught exception of unknown type" messages
 636     runner.eventManager().pushProtector(new wxUnitTestProtector);
 637
 638     bool printProgress = !(verbose || m_detail || m_timing);
 639     runner.run("", false, true, printProgress);
 640
 641     return runner.result().testFailures() == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
 642 }
 643
 644 int TestApp::OnExit()
 645 {
 646     delete m_locale;
 647
 648 #if wxUSE_GUI
 649     delete GetTopWindow();
 650     wxEventLoop::SetActive(NULL);
 651     delete m_eventloop;
 652 #endif // wxUSE_GUI
 653
 654     return 0;
 655 }
 656
 657 // List the tests
 658 //
 659 void TestApp::List(Test *test, const string& parent /*=""*/) const
 660 {
 661     TestSuite *suite = dynamic_cast<TestSuite*>(test);
 662     string name;
 663
 664     if (suite) {
 665         // take the last component of the name and append to the parent
 666         name = test->getName();
 667         string::size_type i = name.find_last_of(".:");
 668         if (i != string::npos)
 669             name = name.substr(i + 1);
 670         name = parent + "." + name;
 671
 672         // drop the 1st component from the display and indent
 673         if (parent != "") {
 674             string::size_type j = i = name.find('.', 1);
 675             while ((j = name.find('.', j + 1)) != string::npos)
 676                 cout << "  ";
 677             cout << "  " << name.substr(i + 1) << "\n";
 678         }
 679
 680         typedef vector<Test*> Tests;
 681         typedef Tests::const_iterator Iter;
 682
 683         const Tests& tests = suite->getTests();
 684
 685         for (Iter it = tests.begin(); it != tests.end(); ++it)
 686             List(*it, name);
 687     }
 688     else if (m_longlist) {
 689         string::size_type i = 0;
 690         while ((i = parent.find('.', i + 1)) != string::npos)
 691             cout << "  ";
 692         cout << "  " << test->getName() << "\n";
 693     }
 694 }