wxWidgets/tests/test.cpp
ali kettab 59ad9f46e6 Make wxUIActionSimulator works more reliably on GTK/X11
Add wxXSync class which adds delays between the synthesized events
sufficient for them to be processed by the higher layers (X, GTK).

This makes it possible to run the UI tests by default with wxGTK.

Closes https://github.com/wxWidgets/wxWidgets/pull/1845
2020-05-15 00:36:00 +02:00

637 lines
17 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: test.cpp
// Purpose: Test program for wxWidgets
// Author: Mike Wetherell
// Copyright: (c) 2004 Mike Wetherell
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h"
// and "catch.hpp"
#include "testprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// Suppress some warnings in catch_impl.hpp.
wxCLANG_WARNING_SUPPRESS(missing-braces)
wxCLANG_WARNING_SUPPRESS(logical-op-parentheses)
wxCLANG_WARNING_SUPPRESS(inconsistent-missing-override)
// This file needs to get the CATCH definitions in addition to the usual
// assertion macros declarations from catch.hpp included by testprec.h.
// Including an internal file like this is ugly, but there doesn't seem to be
// any better way, see https://github.com/philsquared/Catch/issues/1061
#include "internal/catch_impl.hpp"
wxCLANG_WARNING_RESTORE(missing-braces)
wxCLANG_WARNING_RESTORE(logical-op-parentheses)
wxCLANG_WARNING_RESTORE(inconsistent-missing-override)
// This probably could be done by predefining CLARA_CONFIG_MAIN, but at the
// point where we are, just define this global variable manually.
namespace Catch { namespace Clara { UnpositionalTag _; } }
// Also define our own global variables.
namespace wxPrivate
{
std::string wxTheCurrentTestClass, wxTheCurrentTestMethod;
}
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/apptrait.h"
#include "wx/cmdline.h"
#include <exception>
#include <iostream>
#ifdef __WINDOWS__
#include "wx/msw/msvcrt.h"
#endif
#ifdef __WXOSX__
#include "wx/osx/private.h"
#endif
#if wxUSE_GUI
#include "testableframe.h"
#ifdef __WXGTK__
#include <glib.h>
#endif // __WXGTK__
#endif // wxUSE_GUI
#include "wx/socket.h"
#include "wx/evtloop.h"
using namespace std;
// ----------------------------------------------------------------------------
// helper classes
// ----------------------------------------------------------------------------
// exception class for MSVC debug CRT assertion failures
#ifdef wxUSE_VC_CRTDBG
struct CrtAssertFailure
{
CrtAssertFailure(const char *message) : m_msg(message) { }
const wxString m_msg;
wxDECLARE_NO_ASSIGN_CLASS(CrtAssertFailure);
};
CATCH_TRANSLATE_EXCEPTION(CrtAssertFailure& e)
{
return "CRT assert failure: " + e.m_msg.ToStdString(wxConvUTF8);
}
#endif // wxUSE_VC_CRTDBG
#if wxDEBUG_LEVEL
// Information about the last not yet handled assertion.
static wxString s_lastAssertMessage;
static wxString FormatAssertMessage(const wxString& file,
int line,
const wxString& func,
const wxString& cond,
const wxString& msg)
{
wxString str;
str << "wxWidgets assert: " << cond << " failed "
"at " << file << ":" << line << " in " << func
<< " with message '" << msg << "'";
return str;
}
static void TestAssertHandler(const wxString& file,
int line,
const wxString& func,
const wxString& cond,
const wxString& msg)
{
// Determine whether we can safely throw an exception to just make the test
// fail or whether we need to abort (in this case "msg" will contain the
// explanation why did we decide to do it).
wxString abortReason;
const wxString
assertMessage = FormatAssertMessage(file, line, func, cond, msg);
if ( !wxIsMainThread() )
{
// Exceptions thrown from worker threads are not caught currently and
// so we'd just die without any useful information -- abort instead.
abortReason << assertMessage << "in a worker thread.";
}
#if __cplusplus >= 201703L || wxCHECK_VISUALC_VERSION(14)
else if ( uncaught_exceptions() )
#else
else if ( uncaught_exception() )
#endif
{
// Throwing while already handling an exception would result in
// terminate() being called and we wouldn't get any useful information
// about why the test failed then.
if ( s_lastAssertMessage.empty() )
{
abortReason << assertMessage << "while handling an exception";
}
else // In this case the exception is due to a previous assert.
{
abortReason << s_lastAssertMessage << "\n and another "
<< assertMessage << " while handling it.";
}
}
else // Can "safely" throw from here.
{
// Remember this in case another assert happens while handling this
// exception: we want to show the original assert as it's usually more
// useful to determine the real root of the problem.
s_lastAssertMessage = assertMessage;
throw TestAssertFailure(file, line, func, cond, msg);
}
wxFputs(abortReason, stderr);
fflush(stderr);
_exit(-1);
}
CATCH_TRANSLATE_EXCEPTION(TestAssertFailure& e)
{
return e.m_msg.ToStdString(wxConvUTF8);
}
#endif // wxDEBUG_LEVEL
#if wxUSE_GUI
typedef wxApp TestAppBase;
typedef wxGUIAppTraits TestAppTraitsBase;
#else
typedef wxAppConsole TestAppBase;
typedef wxConsoleAppTraits TestAppTraitsBase;
#endif
// The application class
//
class TestApp : public TestAppBase
{
public:
TestApp();
// standard overrides
virtual bool OnInit() wxOVERRIDE;
virtual int OnExit() wxOVERRIDE;
#ifdef __WIN32__
virtual wxAppTraits *CreateTraits() wxOVERRIDE
{
// Define a new class just to customize CanUseStderr() behaviour.
class TestAppTraits : public TestAppTraitsBase
{
public:
// We want to always use stderr, tests are also run unattended and
// in this case we really don't want to show any message boxes, as
// wxMessageOutputBest, used e.g. from the default implementation
// of wxApp::OnUnhandledException(), would do by default.
virtual bool CanUseStderr() wxOVERRIDE { return true; }
// Overriding CanUseStderr() is not enough, we also need to
// override this one to avoid returning false from it.
virtual bool WriteToStderr(const wxString& text) wxOVERRIDE
{
wxFputs(text, stderr);
fflush(stderr);
// Intentionally ignore any errors, we really don't want to
// show any message boxes in any case.
return true;
}
};
return new TestAppTraits;
}
#endif // __WIN32__
// Also override this method to avoid showing any dialogs from here -- and
// show some details about the exception along the way.
virtual bool OnExceptionInMainLoop() wxOVERRIDE
{
wxFprintf(stderr, "Unhandled exception in the main loop: %s\n",
Catch::translateActiveException());
throw;
}
// used by events propagation test
virtual int FilterEvent(wxEvent& event) wxOVERRIDE;
virtual bool ProcessEvent(wxEvent& event) wxOVERRIDE;
void SetFilterEventFunc(FilterEventFunc f) { m_filterEventFunc = f; }
void SetProcessEventFunc(ProcessEventFunc f) { m_processEventFunc = f; }
// In console applications we run the tests directly from the overridden
// OnRun(), but in the GUI ones we run them when we get the first call to
// our EVT_IDLE handler to ensure that we do everything from inside the
// main event loop. This is especially important under wxOSX/Cocoa where
// the main event loop is different from the others but it's also safer to
// do it like this in the other ports as we test the GUI code in the same
// context as it's used usually, in normal programs, and it might behave
// differently without the event loop.
#if wxUSE_GUI
void OnIdle(wxIdleEvent& event)
{
if ( m_runTests )
{
m_runTests = false;
#ifdef __WXOSX__
// we need to wait until the window is activated and fully ready
// otherwise no events can be posted
wxEventLoopBase* const loop = wxEventLoop::GetActive();
if ( loop )
{
loop->DispatchTimeout(1000);
loop->Yield();
}
#endif // __WXOSX__
m_exitcode = RunTests();
ExitMainLoop();
}
event.Skip();
}
virtual int OnRun() wxOVERRIDE
{
if ( TestAppBase::OnRun() != 0 )
m_exitcode = EXIT_FAILURE;
return m_exitcode;
}
#else // !wxUSE_GUI
virtual int OnRun() wxOVERRIDE
{
return RunTests();
}
#endif // wxUSE_GUI/!wxUSE_GUI
private:
int RunTests();
// flag telling us whether we should run tests from our EVT_IDLE handler
bool m_runTests;
// event handling hooks
FilterEventFunc m_filterEventFunc;
ProcessEventFunc m_processEventFunc;
#if wxUSE_GUI
// the program exit code
int m_exitcode;
#endif // wxUSE_GUI
};
wxIMPLEMENT_APP_NO_MAIN(TestApp);
// ----------------------------------------------------------------------------
// global functions
// ----------------------------------------------------------------------------
#ifdef wxUSE_VC_CRTDBG
static int TestCrtReportHook(int reportType, char *message, int *)
{
if ( reportType != _CRT_ASSERT )
return FALSE;
throw CrtAssertFailure(message);
}
#endif // wxUSE_VC_CRTDBG
int main(int argc, char **argv)
{
// tests can be ran non-interactively so make sure we don't show any assert
// dialog boxes -- neither our own nor from MSVC debug CRT -- which would
// prevent them from completing
#if wxDEBUG_LEVEL
wxSetAssertHandler(TestAssertHandler);
#endif // wxDEBUG_LEVEL
#ifdef wxUSE_VC_CRTDBG
_CrtSetReportHook(TestCrtReportHook);
#endif // wxUSE_VC_CRTDBG
return wxEntry(argc, argv);
}
extern void SetFilterEventFunc(FilterEventFunc func)
{
wxGetApp().SetFilterEventFunc(func);
}
extern void SetProcessEventFunc(ProcessEventFunc func)
{
wxGetApp().SetProcessEventFunc(func);
}
extern bool IsNetworkAvailable()
{
// Somehow even though network is available on Travis CI build machines,
// attempts to open remote URIs sporadically fail, so don't run these tests
// under Travis to avoid false positives.
static int s_isTravis = -1;
if ( s_isTravis == -1 )
s_isTravis = wxGetEnv("TRAVIS", NULL);
if ( s_isTravis )
return false;
// NOTE: we could use wxDialUpManager here if it was in wxNet; since it's in
// wxCore we use a simple rough test:
wxSocketBase::Initialize();
wxIPV4address addr;
if (!addr.Hostname("www.google.com") || !addr.Service("www"))
{
wxSocketBase::Shutdown();
return false;
}
wxSocketClient sock;
sock.SetTimeout(10); // 10 secs
bool online = sock.Connect(addr);
wxSocketBase::Shutdown();
return online;
}
extern bool IsAutomaticTest()
{
static int s_isAutomatic = -1;
if ( s_isAutomatic == -1 )
{
// Allow setting an environment variable to emulate buildslave user for
// testing.
wxString username;
if ( !wxGetEnv("WX_TEST_USER", &username) )
username = wxGetUserId();
username.MakeLower();
s_isAutomatic = username == "buildbot" ||
username.Matches("sandbox*");
// Also recognize Travis and AppVeyor CI environments.
if ( !s_isAutomatic )
{
s_isAutomatic = wxGetEnv("TRAVIS", NULL) ||
wxGetEnv("APPVEYOR", NULL);
}
}
return s_isAutomatic == 1;
}
extern bool IsRunningUnderXVFB()
{
static int s_isRunningUnderXVFB = -1;
if ( s_isRunningUnderXVFB == -1 )
{
wxString value;
s_isRunningUnderXVFB = wxGetEnv("wxUSE_XVFB", &value) && value == "1";
}
return s_isRunningUnderXVFB == 1;
}
#ifdef __LINUX__
extern bool IsRunningInLXC()
{
// We're supposed to be able to detect running in LXC by checking for
// /dev/lxd existency, but this doesn't work under Travis for some reason,
// so just rely on having the environment variable defined for the
// corresponding builds in our .travis.yml.
wxString value;
return wxGetEnv("wxLXC", &value) && value == "1";
}
#endif // __LINUX__
#if wxUSE_GUI
bool EnableUITests()
{
static int s_enabled = -1;
if ( s_enabled == -1 )
{
// Allow explicitly configuring this via an environment variable under
// all platforms.
wxString enabled;
if ( wxGetEnv("WX_UI_TESTS", &enabled) )
{
if ( enabled == "1" )
s_enabled = 1;
else if ( enabled == "0" )
s_enabled = 0;
else
wxFprintf(stderr, "Unknown \"WX_UI_TESTS\" value \"%s\" ignored.\n", enabled);
}
if ( s_enabled == -1 )
{
#if defined(__WXMSW__) || defined(__WXGTK__)
s_enabled = 1;
#else // !(__WXMSW__ || __WXGTK__)
s_enabled = 0;
#endif // (__WXMSW__ || __WXGTK__)
}
}
return s_enabled == 1;
}
void DeleteTestWindow(wxWindow* win)
{
if ( !win )
return;
wxWindow* const capture = wxWindow::GetCapture();
if ( capture )
{
if ( capture == win ||
capture->GetMainWindowOfCompositeControl() == win )
capture->ReleaseMouse();
}
delete win;
}
#ifdef __WXGTK__
#ifdef GDK_WINDOWING_X11
#include "X11/Xlib.h"
extern "C"
int wxTestX11ErrorHandler(Display*, XErrorEvent*)
{
fprintf(stderr, "\n*** X11 error while running %s(): ",
wxGetCurrentTestName().c_str());
return 0;
}
#endif // GDK_WINDOWING_X11
extern "C"
void
wxTestGLogHandler(const gchar* domain,
GLogLevelFlags level,
const gchar* message,
gpointer data)
{
// Check if debug messages in this domain will be logged.
if ( level == G_LOG_LEVEL_DEBUG )
{
static const char* const allowed = getenv("G_MESSAGES_DEBUG");
// By default debug messages are dropped, but if G_MESSAGES_DEBUG is
// defined, they're logged for the domains specified in it and if it
// has the special value "all", then all debug messages are shown.
//
// Note that the check here can result in false positives, e.g. domain
// "foo" would pass it even if G_MESSAGES_DEBUG only contains "foobar",
// but such cases don't seem to be important enough to bother
// accounting for them.
if ( !allowed ||
(strcmp(allowed, "all") != 0 && !strstr(allowed, domain)) )
{
return;
}
}
fprintf(stderr, "\n*** GTK log message while running %s(): ",
wxGetCurrentTestName().c_str());
g_log_default_handler(domain, level, message, data);
}
#endif // __WXGTK__
#endif // wxUSE_GUI
// ----------------------------------------------------------------------------
// TestApp
// ----------------------------------------------------------------------------
TestApp::TestApp()
{
m_runTests = true;
m_filterEventFunc = NULL;
m_processEventFunc = NULL;
#if wxUSE_GUI
m_exitcode = EXIT_SUCCESS;
#endif // wxUSE_GUI
}
// Init
//
bool TestApp::OnInit()
{
// Hack: don't call TestAppBase::OnInit() to let CATCH handle command line.
// Output some important information about the test environment.
#if wxUSE_GUI
cout << "Test program for wxWidgets GUI features\n"
#else
cout << "Test program for wxWidgets non-GUI features\n"
#endif
<< "build: " << WX_BUILD_OPTIONS_SIGNATURE << "\n"
<< "running under " << wxGetOsDescription()
<< " as " << wxGetUserId()
<< ", locale is " << setlocale(LC_ALL, NULL)
<< std::endl;
#if wxUSE_GUI
// create a parent window to be used as parent for the GUI controls
new wxTestableFrame();
Connect(wxEVT_IDLE, wxIdleEventHandler(TestApp::OnIdle));
#ifdef __WXGTK20__
g_log_set_default_handler(wxTestGLogHandler, NULL);
#endif // __WXGTK__
#ifdef GDK_WINDOWING_X11
XSetErrorHandler(wxTestX11ErrorHandler);
#endif // GDK_WINDOWING_X11
#endif // wxUSE_GUI
return true;
}
// Event handling
int TestApp::FilterEvent(wxEvent& event)
{
if ( m_filterEventFunc )
return (*m_filterEventFunc)(event);
return TestAppBase::FilterEvent(event);
}
bool TestApp::ProcessEvent(wxEvent& event)
{
if ( m_processEventFunc )
return (*m_processEventFunc)(event);
return TestAppBase::ProcessEvent(event);
}
// Run
//
int TestApp::RunTests()
{
#if wxUSE_LOG
// Switch off logging to avoid interfering with the tests output unless
// WXTRACE is set, as otherwise setting it would have no effect while
// running the tests.
if ( !wxGetEnv("WXTRACE", NULL) )
wxLog::EnableLogging(false);
#endif
// Cast is needed under MSW where Catch also provides an overload taking
// wchar_t, but as it simply converts arguments to char internally anyhow,
// we can just as well always use the char version.
return Catch::Session().run(argc, static_cast<char**>(argv));
}
int TestApp::OnExit()
{
#if wxUSE_GUI
delete GetTopWindow();
#endif // wxUSE_GUI
return TestAppBase::OnExit();
}