b66a68884d
This tests hangs and never finishes, disable it for now to allow buildbot to at least run the other tests. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63739 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
610 lines
15 KiB
C++
610 lines
15 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/fswatcher/fswatchertest.cpp
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// Purpose: wxFileSystemWatcher unit test
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// Author: Bartosz Bekier
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// Created: 2009-06-11
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// RCS-ID: $Id$
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// Copyright: (c) 2009 Bartosz Bekier
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///////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "testprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "wx/evtloop.h"
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#include "wx/filename.h"
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#include "wx/filefn.h"
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#include "wx/stdpaths.h"
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#include "wx/fswatcher.h"
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#include "testfile.h"
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// ----------------------------------------------------------------------------
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// local functions
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// ----------------------------------------------------------------------------
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// class generating file system events
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class EventGenerator
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{
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public:
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static EventGenerator& Get()
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{
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if (!ms_instance)
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ms_instance = new EventGenerator(GetWatchDir());
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return *ms_instance;
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}
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EventGenerator(const wxFileName& path) : m_base(path)
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{
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m_old = wxFileName();
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m_file = RandomName();
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m_new = RandomName();
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}
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// operations
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bool CreateFile()
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{
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wxFile file(m_file.GetFullPath(), wxFile::write);
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return file.IsOpened() && m_file.FileExists();
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}
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bool RenameFile()
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{
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CPPUNIT_ASSERT(m_file.FileExists());
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wxLogDebug("Renaming %s=>%s", m_file.GetFullPath(), m_new.GetFullPath());
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bool ret = wxRenameFile(m_file.GetFullPath(), m_new.GetFullPath());
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if (ret)
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{
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m_old = m_file;
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m_file = m_new;
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m_new = RandomName();
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}
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return ret;
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}
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bool DeleteFile()
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{
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CPPUNIT_ASSERT(m_file.FileExists());
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bool ret = wxRemoveFile(m_file.GetFullPath());
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if (ret)
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{
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m_old = m_file;
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m_file = m_new;
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m_new = RandomName();
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}
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return ret;
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}
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bool TouchFile()
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{
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return m_file.Touch();
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}
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bool ReadFile()
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{
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wxFile f(m_file.GetFullPath());
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CPPUNIT_ASSERT(f.IsOpened());
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char buf[1];
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ssize_t count = f.Read(buf, sizeof(buf));
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CPPUNIT_ASSERT(count > 0);
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return true;
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}
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bool ModifyFile()
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{
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CPPUNIT_ASSERT(m_file.FileExists());
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wxFile file(m_file.GetFullPath(), wxFile::write_append);
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CPPUNIT_ASSERT(file.IsOpened());
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CPPUNIT_ASSERT(file.Write("Words of Wisdom, Lloyd. Words of wisdom\n"));
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return file.Close();
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}
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// helpers
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wxFileName RandomName(int length = 10)
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{
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return RandomName(m_base, length);
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}
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// static helpers
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static const wxFileName& GetWatchDir()
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{
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static wxFileName dir;
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if (dir.DirExists())
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return dir;
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wxString tmp = wxStandardPaths::Get().GetTempDir();
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dir.AssignDir(tmp);
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// XXX look for more unique name? there is no function to generate
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// unique filename, the file always get created...
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dir.AppendDir("fswatcher_test");
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CPPUNIT_ASSERT(!dir.DirExists());
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CPPUNIT_ASSERT(dir.Mkdir());
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return dir;
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}
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static void RemoveWatchDir()
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{
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wxFileName dir = GetWatchDir();
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CPPUNIT_ASSERT(dir.DirExists());
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// just to be really sure we know what we remove
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CPPUNIT_ASSERT_EQUAL( "fswatcher_test", dir.GetDirs().Last() );
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// FIXME-VC6: using non-static Rmdir() results in ICE
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CPPUNIT_ASSERT( wxFileName::Rmdir(dir.GetFullPath(), wxPATH_RMDIR_RECURSIVE) );
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}
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static wxFileName RandomName(const wxFileName& base, int length = 10)
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{
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static int ALFA_CNT = 'z' - 'a';
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wxString s;
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for (int i = 0 ; i < length; ++i)
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{
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char c = 'a' + (rand() % ALFA_CNT);
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s += c;
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}
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return wxFileName(base.GetFullPath(), s);
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}
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public:
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wxFileName m_base; // base dir for doing operations
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wxFileName m_file; // current file name
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wxFileName m_old; // previous file name
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wxFileName m_new; // name after renaming
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protected:
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static EventGenerator* ms_instance;
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};
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EventGenerator* EventGenerator::ms_instance = 0;
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// custom event handler
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class EventHandler : public wxEvtHandler
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{
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public:
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enum { WAIT_DURATION = 3 };
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EventHandler() :
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eg(EventGenerator::Get()), m_loop(0), m_count(0), m_watcher(0)
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{
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m_loop = new wxEventLoop();
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Connect(wxEVT_IDLE, wxIdleEventHandler(EventHandler::OnIdle));
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Connect(wxEVT_FSWATCHER, wxFileSystemWatcherEventHandler(
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EventHandler::OnFileSystemEvent));
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}
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virtual ~EventHandler()
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{
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delete m_watcher;
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if (m_loop)
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{
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if (m_loop->IsRunning())
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m_loop->Exit();
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delete m_loop;
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}
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}
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void Exit()
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{
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m_loop->Exit();
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}
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// sends idle event, so we get called in a moment
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void SendIdle()
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{
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wxIdleEvent* e = new wxIdleEvent();
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QueueEvent(e);
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}
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void Run()
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{
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SendIdle();
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m_loop->Run();
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}
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void OnIdle(wxIdleEvent& /*evt*/)
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{
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bool more = Action();
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m_count++;
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if (more)
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{
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SendIdle();
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}
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}
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// returns whether we should produce more idle events
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virtual bool Action()
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{
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switch (m_count)
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{
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case 0:
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CPPUNIT_ASSERT(Init());
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break;
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case 1:
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GenerateEvent();
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break;
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case 2:
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// actual test
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CPPUNIT_ASSERT(CheckResult());
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Exit();
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break;
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// TODO a mechanism that will break the loop in case we
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// don't receive a file system event
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// this below doesn't quite work, so all tests must pass :-)
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#if 0
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case 2:
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m_loop.Yield();
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m_loop.WakeUp();
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CPPUNIT_ASSERT(KeepWaiting());
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m_loop.Yield();
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break;
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case 3:
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break;
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case 4:
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CPPUNIT_ASSERT(AfterWait());
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break;
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#endif
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} // switch (m_count)
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return m_count <= 0;
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}
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virtual bool Init()
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{
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// test we're good to go
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CPPUNIT_ASSERT(wxEventLoopBase::GetActive());
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// XXX only now can we construct Watcher, because we need
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// active loop here
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m_watcher = new wxFileSystemWatcher();
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m_watcher->SetOwner(this);
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// add dir to be watched
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wxFileName dir = EventGenerator::GetWatchDir();
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CPPUNIT_ASSERT(m_watcher->Add(dir, wxFSW_EVENT_ALL));
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return true;
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}
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virtual bool KeepWaiting()
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{
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// did we receive event already?
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if (!tested)
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{
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// well, lets wait a bit more
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wxSleep(WAIT_DURATION);
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}
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return true;
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}
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virtual bool AfterWait()
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{
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// fail if still no events
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WX_ASSERT_MESSAGE
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(
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("No events during %d seconds!", static_cast<int>(WAIT_DURATION)),
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tested
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);
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return true;
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}
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virtual void OnFileSystemEvent(wxFileSystemWatcherEvent& evt)
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{
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wxLogDebug("--- %s ---", evt.ToString());
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m_lastEvent = wxDynamicCast(evt.Clone(), wxFileSystemWatcherEvent);
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m_events.Add(m_lastEvent);
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// test finished
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SendIdle();
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tested = true;
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}
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virtual bool CheckResult()
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{
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CPPUNIT_ASSERT_MESSAGE( "No events received", !m_events.empty() );
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const wxFileSystemWatcherEvent * const e = m_events.front();
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WX_ASSERT_EQUAL_MESSAGE
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(
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(
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"Extra events received, first is of type %x, for path=\"%s\","
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"last is of type %x, path=\"%s\"",
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e->GetChangeType(),
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e->GetPath().GetFullPath(),
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m_events.back()->GetChangeType(),
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m_events.back()->GetPath().GetFullPath()
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),
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1, m_events.size()
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);
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// this is our "reference event"
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const wxFileSystemWatcherEvent expected = ExpectedEvent();
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CPPUNIT_ASSERT_EQUAL( expected.GetChangeType(), e->GetChangeType() );
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CPPUNIT_ASSERT_EQUAL((int)wxEVT_FSWATCHER, e->GetEventType());
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// XXX this needs change
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CPPUNIT_ASSERT_EQUAL(wxEVT_CATEGORY_UNKNOWN, e->GetEventCategory());
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CPPUNIT_ASSERT_EQUAL(expected.GetPath(), e->GetPath());
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CPPUNIT_ASSERT_EQUAL(expected.GetNewPath(), e->GetNewPath());
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return true;
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}
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virtual void GenerateEvent() = 0;
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virtual wxFileSystemWatcherEvent ExpectedEvent() = 0;
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protected:
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EventGenerator& eg;
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wxEventLoopBase* m_loop; // loop reference
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int m_count; // idle events count
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wxFileSystemWatcher* m_watcher;
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bool tested; // indicates, whether we have already passed the test
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#include "wx/arrimpl.cpp"
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WX_DEFINE_ARRAY_PTR(wxFileSystemWatcherEvent*, wxArrayEvent);
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wxArrayEvent m_events;
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wxFileSystemWatcherEvent* m_lastEvent;
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};
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// ----------------------------------------------------------------------------
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// test class
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// ----------------------------------------------------------------------------
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class FileSystemWatcherTestCase : public CppUnit::TestCase
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{
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public:
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FileSystemWatcherTestCase() { }
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virtual void setUp();
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virtual void tearDown();
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protected:
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wxEventLoopBase* m_loop;
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private:
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CPPUNIT_TEST_SUITE( FileSystemWatcherTestCase );
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CPPUNIT_TEST( TestEventCreate );
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CPPUNIT_TEST( TestEventDelete );
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// kqueue-based implementation doesn't collapse create/delete pairs in
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// renames and doesn't detect neither modifications nor access to the
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// files reliably currently so disable these tests
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//
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// FIXME: fix the code and reenable them
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#ifndef wxHAS_KQUEUE
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CPPUNIT_TEST( TestEventRename );
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CPPUNIT_TEST( TestEventModify );
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// MSW implementation doesn't detect file access events currently
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#ifndef __WXMSW__
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CPPUNIT_TEST( TestEventAccess );
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#endif // __WXMSW__
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#endif // !wxHAS_KQUEUE
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CPPUNIT_TEST_SUITE_END();
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void TestEventCreate();
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void TestEventDelete();
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void TestEventRename();
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void TestEventModify();
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void TestEventAccess();
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DECLARE_NO_COPY_CLASS(FileSystemWatcherTestCase)
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};
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// the test currently hangs under OS X for some reason and this prevents tests
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// ran by buildbot from completing so disable it until someone has time to
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// debug it
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//
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// FIXME: debug and fix this!
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#ifndef __WXOSX__
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// register in the unnamed registry so that these tests are run by default
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CPPUNIT_TEST_SUITE_REGISTRATION( FileSystemWatcherTestCase );
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#endif
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// also include in it's own registry so that these tests can be run alone
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CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( FileSystemWatcherTestCase,
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"FileSystemWatcherTestCase" );
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void FileSystemWatcherTestCase::setUp()
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{
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wxLog::AddTraceMask(wxTRACE_FSWATCHER);
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EventGenerator::Get().GetWatchDir();
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}
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void FileSystemWatcherTestCase::tearDown()
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{
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EventGenerator::Get().RemoveWatchDir();
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}
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// ----------------------------------------------------------------------------
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// TestEventCreate
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// ----------------------------------------------------------------------------
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void FileSystemWatcherTestCase::TestEventCreate()
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{
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wxLogDebug("TestEventCreate()");
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class EventTester : public EventHandler
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{
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public:
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virtual void GenerateEvent()
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{
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CPPUNIT_ASSERT(eg.CreateFile());
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}
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virtual wxFileSystemWatcherEvent ExpectedEvent()
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{
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wxFileSystemWatcherEvent event(wxFSW_EVENT_CREATE);
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event.SetPath(eg.m_file);
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event.SetNewPath(eg.m_file);
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return event;
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}
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};
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EventTester tester;
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wxLogTrace(wxTRACE_FSWATCHER, "TestEventCreate tester created()");
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tester.Run();
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}
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// ----------------------------------------------------------------------------
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// TestEventDelete
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// ----------------------------------------------------------------------------
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void FileSystemWatcherTestCase::TestEventDelete()
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{
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wxLogDebug("TestEventDelete()");
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class EventTester : public EventHandler
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{
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public:
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virtual void GenerateEvent()
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{
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CPPUNIT_ASSERT(eg.DeleteFile());
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}
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virtual wxFileSystemWatcherEvent ExpectedEvent()
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{
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wxFileSystemWatcherEvent event(wxFSW_EVENT_DELETE);
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event.SetPath(eg.m_old);
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// CHECK maybe new path here could be NULL or sth?
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event.SetNewPath(eg.m_old);
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return event;
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}
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};
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// we need to create a file now, so we can delete it
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EventGenerator::Get().CreateFile();
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EventTester tester;
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tester.Run();
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}
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// ----------------------------------------------------------------------------
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// TestEventRename
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// ----------------------------------------------------------------------------
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void FileSystemWatcherTestCase::TestEventRename()
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{
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wxLogDebug("TestEventRename()");
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class EventTester : public EventHandler
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{
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public:
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virtual void GenerateEvent()
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{
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CPPUNIT_ASSERT(eg.RenameFile());
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}
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virtual wxFileSystemWatcherEvent ExpectedEvent()
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{
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wxFileSystemWatcherEvent event(wxFSW_EVENT_RENAME);
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event.SetPath(eg.m_old);
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event.SetNewPath(eg.m_file);
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return event;
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}
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};
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// need a file to rename later
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EventGenerator::Get().CreateFile();
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EventTester tester;
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tester.Run();
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}
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// ----------------------------------------------------------------------------
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// TestEventModify
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// ----------------------------------------------------------------------------
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void FileSystemWatcherTestCase::TestEventModify()
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{
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wxLogDebug("TestEventModify()");
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class EventTester : public EventHandler
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{
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public:
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virtual void GenerateEvent()
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{
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CPPUNIT_ASSERT(eg.ModifyFile());
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}
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virtual wxFileSystemWatcherEvent ExpectedEvent()
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{
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wxFileSystemWatcherEvent event(wxFSW_EVENT_MODIFY);
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event.SetPath(eg.m_file);
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event.SetNewPath(eg.m_file);
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return event;
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}
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};
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// we need to create a file to modify
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EventGenerator::Get().CreateFile();
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EventTester tester;
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tester.Run();
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}
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// ----------------------------------------------------------------------------
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// TestEventAccess
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// ----------------------------------------------------------------------------
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void FileSystemWatcherTestCase::TestEventAccess()
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{
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wxLogDebug("TestEventAccess()");
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class EventTester : public EventHandler
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{
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public:
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virtual void GenerateEvent()
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{
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CPPUNIT_ASSERT(eg.ReadFile());
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}
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virtual wxFileSystemWatcherEvent ExpectedEvent()
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{
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wxFileSystemWatcherEvent event(wxFSW_EVENT_ACCESS);
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event.SetPath(eg.m_file);
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event.SetNewPath(eg.m_file);
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return event;
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}
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};
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// we need to create a file to read from it and write sth to it
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EventGenerator::Get().CreateFile();
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EventGenerator::Get().ModifyFile();
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EventTester tester;
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tester.Run();
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}
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