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wxWidgets/tests/config/fileconf.cpp
Vadim Zeitlin e86882e38d fix bug with deleting and recreating entries in wxFileConfig (patch 1796866) 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48776 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2007-09-19 00:41:55 +00:00

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///////////////////////////////////////////////////////////////////////////////
// Name: tests/fileconf/fileconf.cpp
// Purpose: wxFileConf unit test
// Author: Vadim Zeitlin
// Created: 2004-09-19
// RCS-ID: $Id$
// Copyright: (c) 2004 Vadim Zeitlin
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_FILECONFIG
#ifndef WX_PRECOMP
#endif // WX_PRECOMP
#include "wx/fileconf.h"
#include "wx/sstream.h"
#include "wx/log.h"
static const wxChar *testconfig =
_T("[root]\n")
_T("entry=value\n")
_T("[root/group1]\n")
_T("[root/group1/subgroup]\n")
_T("subentry=subvalue\n")
_T("subentry2=subvalue2\n")
_T("[root/group2]\n")
;
// ----------------------------------------------------------------------------
// local functions
// ----------------------------------------------------------------------------
static wxString Dump(wxFileConfig& fc)
{
wxStringOutputStream sos;
fc.Save(sos);
return wxTextFile::Translate(sos.GetString(), wxTextFileType_Unix);
}
// helper macro to test wxFileConfig contents
#define wxVERIFY_FILECONFIG(t, fc) CPPUNIT_ASSERT_EQUAL(wxString(t), Dump(fc))
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class FileConfigTestCase : public CppUnit::TestCase
{
public:
FileConfigTestCase() { }
private:
CPPUNIT_TEST_SUITE( FileConfigTestCase );
CPPUNIT_TEST( Path );
CPPUNIT_TEST( AddEntries );
CPPUNIT_TEST( GetEntries );
CPPUNIT_TEST( GetGroups );
CPPUNIT_TEST( HasEntry );
CPPUNIT_TEST( HasGroup );
CPPUNIT_TEST( Binary );
CPPUNIT_TEST( Save );
CPPUNIT_TEST( DeleteEntry );
CPPUNIT_TEST( DeleteAndWriteEntry );
CPPUNIT_TEST( DeleteGroup );
CPPUNIT_TEST( DeleteAll );
CPPUNIT_TEST( RenameEntry );
CPPUNIT_TEST( RenameGroup );
CPPUNIT_TEST( CreateEntriesAndSubgroup );
CPPUNIT_TEST( CreateSubgroupAndEntries );
CPPUNIT_TEST( DeleteLastGroup );
CPPUNIT_TEST( DeleteAndRecreateGroup );
CPPUNIT_TEST_SUITE_END();
void Path();
void AddEntries();
void GetEntries();
void GetGroups();
void HasEntry();
void HasGroup();
void Binary();
void Save();
void DeleteEntry();
void DeleteAndWriteEntry();
void DeleteGroup();
void DeleteAll();
void RenameEntry();
void RenameGroup();
void CreateEntriesAndSubgroup();
void CreateSubgroupAndEntries();
void DeleteLastGroup();
void DeleteAndRecreateGroup();
static wxString ChangePath(wxFileConfig& fc, const wxChar *path)
{
fc.SetPath(path);
return fc.GetPath();
}
void CheckGroupEntries(const wxFileConfig& fc,
const wxChar *path,
size_t nEntries,
...);
void CheckGroupSubgroups(const wxFileConfig& fc,
const wxChar *path,
size_t nGroups,
...);
DECLARE_NO_COPY_CLASS(FileConfigTestCase)
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( FileConfigTestCase );
// also include in it's own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( FileConfigTestCase, "FileConfigTestCase" );
void FileConfigTestCase::Path()
{
wxStringInputStream sis(testconfig);
wxFileConfig fc(sis);
CPPUNIT_ASSERT( ChangePath(fc, _T("")) == _T("") );
CPPUNIT_ASSERT( ChangePath(fc, _T("/")) == _T("") );
CPPUNIT_ASSERT( ChangePath(fc, _T("root")) == _T("/root") );
CPPUNIT_ASSERT( ChangePath(fc, _T("/root")) == _T("/root") );
CPPUNIT_ASSERT( ChangePath(fc, _T("/root/group1/subgroup")) == _T("/root/group1/subgroup") );
CPPUNIT_ASSERT( ChangePath(fc, _T("/root/group2")) == _T("/root/group2") );
}
void FileConfigTestCase::AddEntries()
{
wxFileConfig fc;
wxVERIFY_FILECONFIG( _T(""), fc );
fc.Write(_T("/Foo"), _T("foo"));
wxVERIFY_FILECONFIG( _T("Foo=foo\n"), fc );
fc.Write(_T("/Bar/Baz"), _T("baz"));
wxVERIFY_FILECONFIG( _T("Foo=foo\n[Bar]\nBaz=baz\n"), fc );
fc.DeleteAll();
wxVERIFY_FILECONFIG( _T(""), fc );
fc.Write(_T("/Bar/Baz"), _T("baz"));
wxVERIFY_FILECONFIG( _T("[Bar]\nBaz=baz\n"), fc );
fc.Write(_T("/Foo"), _T("foo"));
wxVERIFY_FILECONFIG( _T("Foo=foo\n[Bar]\nBaz=baz\n"), fc );
}
void
FileConfigTestCase::CheckGroupEntries(const wxFileConfig& fc,
const wxChar *path,
size_t nEntries,
...)
{
wxConfigPathChanger change(&fc, wxString(path) + _T("/"));
CPPUNIT_ASSERT( fc.GetNumberOfEntries() == nEntries );
va_list ap;
va_start(ap, nEntries);
long cookie;
wxString name;
for ( bool cont = fc.GetFirstEntry(name, cookie);
cont;
cont = fc.GetNextEntry(name, cookie), nEntries-- )
{
CPPUNIT_ASSERT( name == va_arg(ap, wxChar *) );
}
CPPUNIT_ASSERT( nEntries == 0 );
va_end(ap);
}
void
FileConfigTestCase::CheckGroupSubgroups(const wxFileConfig& fc,
const wxChar *path,
size_t nGroups,
...)
{
wxConfigPathChanger change(&fc, wxString(path) + _T("/"));
CPPUNIT_ASSERT( fc.GetNumberOfGroups() == nGroups );
va_list ap;
va_start(ap, nGroups);
long cookie;
wxString name;
for ( bool cont = fc.GetFirstGroup(name, cookie);
cont;
cont = fc.GetNextGroup(name, cookie), nGroups-- )
{
CPPUNIT_ASSERT( name == va_arg(ap, wxChar *) );
}
CPPUNIT_ASSERT( nGroups == 0 );
va_end(ap);
}
void FileConfigTestCase::GetEntries()
{
wxStringInputStream sis(testconfig);
wxFileConfig fc(sis);
CheckGroupEntries(fc, _T(""), 0);
CheckGroupEntries(fc, _T("/root"), 1, _T("entry"));
CheckGroupEntries(fc, _T("/root/group1"), 0);
CheckGroupEntries(fc, _T("/root/group1/subgroup"),
2, _T("subentry"), _T("subentry2"));
}
void FileConfigTestCase::GetGroups()
{
wxStringInputStream sis(testconfig);
wxFileConfig fc(sis);
CheckGroupSubgroups(fc, _T(""), 1, _T("root"));
CheckGroupSubgroups(fc, _T("/root"), 2, _T("group1"), _T("group2"));
CheckGroupSubgroups(fc, _T("/root/group1"), 1, _T("subgroup"));
CheckGroupSubgroups(fc, _T("/root/group2"), 0);
}
void FileConfigTestCase::HasEntry()
{
wxStringInputStream sis(testconfig);
wxFileConfig fc(sis);
CPPUNIT_ASSERT( !fc.HasEntry(_T("root")) );
CPPUNIT_ASSERT( fc.HasEntry(_T("root/entry")) );
CPPUNIT_ASSERT( fc.HasEntry(_T("/root/entry")) );
CPPUNIT_ASSERT( fc.HasEntry(_T("root/group1/subgroup/subentry")) );
CPPUNIT_ASSERT( !fc.HasEntry(_T("")) );
CPPUNIT_ASSERT( !fc.HasEntry(_T("root/group1")) );
CPPUNIT_ASSERT( !fc.HasEntry(_T("subgroup/subentry")) );
CPPUNIT_ASSERT( !fc.HasEntry(_T("/root/no_such_group/entry")) );
CPPUNIT_ASSERT( !fc.HasGroup(_T("/root/no_such_group")) );
}
void FileConfigTestCase::HasGroup()
{
wxStringInputStream sis(testconfig);
wxFileConfig fc(sis);
CPPUNIT_ASSERT( fc.HasGroup(_T("root")) );
CPPUNIT_ASSERT( fc.HasGroup(_T("root/group1")) );
CPPUNIT_ASSERT( fc.HasGroup(_T("root/group1/subgroup")) );
CPPUNIT_ASSERT( fc.HasGroup(_T("root/group2")) );
CPPUNIT_ASSERT( !fc.HasGroup(_T("")) );
CPPUNIT_ASSERT( !fc.HasGroup(_T("root/group")) );
CPPUNIT_ASSERT( !fc.HasGroup(_T("root//subgroup")) );
CPPUNIT_ASSERT( !fc.HasGroup(_T("foot/subgroup")) );
CPPUNIT_ASSERT( !fc.HasGroup(_T("foot")) );
}
void FileConfigTestCase::Binary()
{
wxStringInputStream sis(
"[root]\n"
"binary=Zm9vCg==\n"
);
wxFileConfig fc(sis);
wxMemoryBuffer buf;
fc.Read("/root/binary", &buf);
CPPUNIT_ASSERT( memcmp("foo\n", buf.GetData(), buf.GetDataLen()) == 0 );
buf.SetDataLen(0);
buf.AppendData("\0\1\2", 3);
fc.Write("/root/012", buf);
wxVERIFY_FILECONFIG(
"[root]\n"
"binary=Zm9vCg==\n"
"012=AAEC\n",
fc
);
}
void FileConfigTestCase::Save()
{
wxStringInputStream sis(testconfig);
wxFileConfig fc(sis);
wxVERIFY_FILECONFIG( testconfig, fc );
}
void FileConfigTestCase::DeleteEntry()
{
wxStringInputStream sis(testconfig);
wxFileConfig fc(sis);
CPPUNIT_ASSERT( !fc.DeleteEntry(_T("foo")) );
CPPUNIT_ASSERT( fc.DeleteEntry(_T("root/group1/subgroup/subentry")) );
wxVERIFY_FILECONFIG( _T("[root]\n")
_T("entry=value\n")
_T("[root/group1]\n")
_T("[root/group1/subgroup]\n")
_T("subentry2=subvalue2\n")
_T("[root/group2]\n"),
fc );
// group should be deleted now as well as it became empty
wxConfigPathChanger change(&fc, _T("root/group1/subgroup/subentry2"));
CPPUNIT_ASSERT( fc.DeleteEntry(_T("subentry2")) );
wxVERIFY_FILECONFIG( _T("[root]\n")
_T("entry=value\n")
_T("[root/group1]\n")
_T("[root/group2]\n"),
fc );
}
void FileConfigTestCase::DeleteAndWriteEntry()
{
wxStringInputStream sis(
"[root/group1]\n"
"subentry=subvalue\n"
"subentry2=subvalue2\n"
"subentry3=subvalue3\n"
);
wxFileConfig fc(sis);
fc.DeleteEntry("/root/group1/subentry2");
fc.Write("/root/group1/subentry2", "testvalue");
fc.DeleteEntry("/root/group2/subentry2");
fc.Write("/root/group2/subentry2", "testvalue2");
fc.DeleteEntry("/root/group1/subentry2");
fc.Write("/root/group1/subentry2", "testvalue");
fc.DeleteEntry("/root/group2/subentry2");
fc.Write("/root/group2/subentry2", "testvalue2");
wxVERIFY_FILECONFIG( "[root/group1]\n"
"subentry=subvalue\n"
"subentry3=subvalue3\n"
"subentry2=testvalue\n"
"[root/group2]\n"
"subentry2=testvalue2\n",
fc );
fc.DeleteEntry("/root/group2/subentry2");
wxVERIFY_FILECONFIG( "[root/group1]\n"
"subentry=subvalue\n"
"subentry3=subvalue3\n"
"subentry2=testvalue\n",
fc );
fc.DeleteEntry("/root/group1/subentry2");
fc.DeleteEntry("/root/group1/subentry");
fc.DeleteEntry("/root/group1/subentry3");
wxVERIFY_FILECONFIG( "", fc );
}
void FileConfigTestCase::DeleteGroup()
{
wxStringInputStream sis(testconfig);
wxFileConfig fc(sis);
CPPUNIT_ASSERT( !fc.DeleteGroup(_T("foo")) );
CPPUNIT_ASSERT( fc.DeleteGroup(_T("root/group1")) );
wxVERIFY_FILECONFIG( _T("[root]\n")
_T("entry=value\n")
_T("[root/group2]\n"),
fc );
// notice trailing slash: it should be ignored
CPPUNIT_ASSERT( fc.DeleteGroup(_T("root/group2/")) );
wxVERIFY_FILECONFIG( _T("[root]\n")
_T("entry=value\n"),
fc );
CPPUNIT_ASSERT( fc.DeleteGroup(_T("root")) );
CPPUNIT_ASSERT( Dump(fc).empty() );
}
void FileConfigTestCase::DeleteAll()
{
wxStringInputStream sis(testconfig);
wxFileConfig fc(sis);
CPPUNIT_ASSERT( fc.DeleteAll() );
CPPUNIT_ASSERT( Dump(fc).empty() );
}
void FileConfigTestCase::RenameEntry()
{
wxStringInputStream sis(testconfig);
wxFileConfig fc(sis);
fc.SetPath(_T("root"));
CPPUNIT_ASSERT( fc.RenameEntry(_T("entry"), _T("newname")) );
wxVERIFY_FILECONFIG( _T("[root]\n")
_T("newname=value\n")
_T("[root/group1]\n")
_T("[root/group1/subgroup]\n")
_T("subentry=subvalue\n")
_T("subentry2=subvalue2\n")
_T("[root/group2]\n"),
fc );
fc.SetPath(_T("group1/subgroup"));
CPPUNIT_ASSERT( !fc.RenameEntry(_T("entry"), _T("newname")) );
CPPUNIT_ASSERT( !fc.RenameEntry(_T("subentry"), _T("subentry2")) );
CPPUNIT_ASSERT( fc.RenameEntry(_T("subentry"), _T("subentry1")) );
wxVERIFY_FILECONFIG( _T("[root]\n")
_T("newname=value\n")
_T("[root/group1]\n")
_T("[root/group1/subgroup]\n")
_T("subentry2=subvalue2\n")
_T("subentry1=subvalue\n")
_T("[root/group2]\n"),
fc );
}
void FileConfigTestCase::RenameGroup()
{
wxStringInputStream sis(testconfig);
wxFileConfig fc(sis);
CPPUNIT_ASSERT( fc.RenameGroup(_T("root"), _T("foot")) );
wxVERIFY_FILECONFIG( _T("[foot]\n")
_T("entry=value\n")
_T("[foot/group1]\n")
_T("[foot/group1/subgroup]\n")
_T("subentry=subvalue\n")
_T("subentry2=subvalue2\n")
_T("[foot/group2]\n"),
fc );
// renaming a path doesn't work, it must be the immediate group
CPPUNIT_ASSERT( !fc.RenameGroup(_T("foot/group1"), _T("group2")) );
fc.SetPath(_T("foot"));
// renaming to a name of existing group doesn't work
CPPUNIT_ASSERT( !fc.RenameGroup(_T("group1"), _T("group2")) );
// try exchanging the groups names and then restore them back
CPPUNIT_ASSERT( fc.RenameGroup(_T("group1"), _T("groupTmp")) );
wxVERIFY_FILECONFIG( _T("[foot]\n")
_T("entry=value\n")
_T("[foot/groupTmp]\n")
_T("[foot/groupTmp/subgroup]\n")
_T("subentry=subvalue\n")
_T("subentry2=subvalue2\n")
_T("[foot/group2]\n"),
fc );
CPPUNIT_ASSERT( fc.RenameGroup(_T("group2"), _T("group1")) );
wxVERIFY_FILECONFIG( _T("[foot]\n")
_T("entry=value\n")
_T("[foot/groupTmp]\n")
_T("[foot/groupTmp/subgroup]\n")
_T("subentry=subvalue\n")
_T("subentry2=subvalue2\n")
_T("[foot/group1]\n"),
fc );
CPPUNIT_ASSERT( fc.RenameGroup(_T("groupTmp"), _T("group2")) );
wxVERIFY_FILECONFIG( _T("[foot]\n")
_T("entry=value\n")
_T("[foot/group2]\n")
_T("[foot/group2/subgroup]\n")
_T("subentry=subvalue\n")
_T("subentry2=subvalue2\n")
_T("[foot/group1]\n"),
fc );
CPPUNIT_ASSERT( fc.RenameGroup(_T("group1"), _T("groupTmp")) );
wxVERIFY_FILECONFIG( _T("[foot]\n")
_T("entry=value\n")
_T("[foot/group2]\n")
_T("[foot/group2/subgroup]\n")
_T("subentry=subvalue\n")
_T("subentry2=subvalue2\n")
_T("[foot/groupTmp]\n"),
fc );
CPPUNIT_ASSERT( fc.RenameGroup(_T("group2"), _T("group1")) );
wxVERIFY_FILECONFIG( _T("[foot]\n")
_T("entry=value\n")
_T("[foot/group1]\n")
_T("[foot/group1/subgroup]\n")
_T("subentry=subvalue\n")
_T("subentry2=subvalue2\n")
_T("[foot/groupTmp]\n"),
fc );
CPPUNIT_ASSERT( fc.RenameGroup(_T("groupTmp"), _T("group2")) );
wxVERIFY_FILECONFIG( _T("[foot]\n")
_T("entry=value\n")
_T("[foot/group1]\n")
_T("[foot/group1/subgroup]\n")
_T("subentry=subvalue\n")
_T("subentry2=subvalue2\n")
_T("[foot/group2]\n"),
fc );
}
void FileConfigTestCase::CreateSubgroupAndEntries()
{
wxFileConfig fc;
fc.Write(_T("sub/sub_first"), _T("sub_one"));
fc.Write(_T("first"), _T("one"));
wxVERIFY_FILECONFIG( _T("first=one\n")
_T("[sub]\n")
_T("sub_first=sub_one\n"),
fc );
}
void FileConfigTestCase::CreateEntriesAndSubgroup()
{
wxFileConfig fc;
fc.Write(_T("first"), _T("one"));
fc.Write(_T("second"), _T("two"));
fc.Write(_T("sub/sub_first"), _T("sub_one"));
wxVERIFY_FILECONFIG( _T("first=one\n")
_T("second=two\n")
_T("[sub]\n")
_T("sub_first=sub_one\n"),
fc );
}
static void EmptyConfigAndWriteKey()
{
wxFileConfig fc(_T("deleteconftest"));
const wxString groupPath = _T("/root");
if ( fc.Exists(groupPath) )
{
// using DeleteGroup exposes the problem, using DeleteAll doesn't
CPPUNIT_ASSERT( fc.DeleteGroup(groupPath) );
}
// the config must be empty for the problem to arise
CPPUNIT_ASSERT( !fc.GetNumberOfEntries(true) );
CPPUNIT_ASSERT( !fc.GetNumberOfGroups(true) );
// this crashes on second call of this function
CPPUNIT_ASSERT( fc.Write(groupPath + _T("/entry"), _T("value")) );
}
void FileConfigTestCase::DeleteLastGroup()
{
/*
We make 2 of the same calls, first to create a file config with a single
group and key...
*/
::EmptyConfigAndWriteKey();
/*
... then the same but this time the key's group is deleted before the
key is written again. This causes a crash.
*/
::EmptyConfigAndWriteKey();
// clean up
wxLogNull noLogging;
(void) ::wxRemoveFile(wxFileConfig::GetLocalFileName(_T("deleteconftest")));
}
void FileConfigTestCase::DeleteAndRecreateGroup()
{
static const wxChar *confInitial =
_T("[First]\n")
_T("Value1=Foo\n")
_T("[Second]\n")
_T("Value2=Bar\n");
wxStringInputStream sis(confInitial);
wxFileConfig fc(sis);
fc.DeleteGroup(_T("Second"));
wxVERIFY_FILECONFIG( _T("[First]\n")
_T("Value1=Foo\n"),
fc );
fc.Write(_T("Second/Value2"), _T("New"));
wxVERIFY_FILECONFIG( _T("[First]\n")
_T("Value1=Foo\n")
_T("[Second]\n")
_T("Value2=New\n"),
fc );
}
#endif // wxUSE_FILECONFIG
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