tests/file/dir.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/file/dir.cpp
   3 // Purpose:     wxDir unit test
   4 // Author:      Francesco Montorsi (extracted from console sample)
   5 // Created:     2010-06-19
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2010 wxWidgets team
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 #include "testprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #include "wx/dir.h"
  21 #include "wx/filename.h"
  22 #include "wx/stdpaths.h"
  23
  24 #define DIRTEST_FOLDER      wxString("dirTest_folder")
  25 #define SEP                 wxFileName::GetPathSeparator()
  26
  27 // ----------------------------------------------------------------------------
  28 // test class
  29 // ----------------------------------------------------------------------------
  30
  31 class DirTestCase : public CppUnit::TestCase
  32 {
  33 public:
  34     DirTestCase() { }
  35
  36     virtual void setUp();
  37     virtual void tearDown();
  38
  39 private:
  40     CPPUNIT_TEST_SUITE( DirTestCase );
  41         CPPUNIT_TEST( DirExists );
  42         CPPUNIT_TEST( Traverse );
  43         CPPUNIT_TEST( Enum );
  44         CPPUNIT_TEST( GetName );
  45     CPPUNIT_TEST_SUITE_END();
  46
  47     void DirExists();
  48     void Traverse();
  49     void Enum();
  50     void GetName();
  51
  52     void CreateTempFile(const wxString& path);
  53     wxArrayString DirEnumHelper(wxDir& dir,
  54                                int flags = wxDIR_DEFAULT,
  55                                const wxString& filespec = wxEmptyString);
  56
  57     wxDECLARE_NO_COPY_CLASS(DirTestCase);
  58 };
  59
  60 // ----------------------------------------------------------------------------
  61 // CppUnit macros
  62 // ----------------------------------------------------------------------------
  63
  64 CPPUNIT_TEST_SUITE_REGISTRATION( DirTestCase );
  65 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( DirTestCase, "DirTestCase" );
  66
  67 // ----------------------------------------------------------------------------
  68 // tests implementation
  69 // ----------------------------------------------------------------------------
  70
  71 void DirTestCase::CreateTempFile(const wxString& path)
  72 {
  73     wxFile f(path, wxFile::write);
  74     f.Write("dummy test file");
  75     f.Close();
  76 }
  77
  78 void DirTestCase::setUp()
  79 {
  80     // create a test directory hierarchy
  81     wxDir::Make(DIRTEST_FOLDER + SEP + "folder1" + SEP + "subfolder1", wxS_DIR_DEFAULT, wxPATH_MKDIR_FULL);
  82     wxDir::Make(DIRTEST_FOLDER + SEP + "folder1" + SEP + "subfolder2", wxS_DIR_DEFAULT, wxPATH_MKDIR_FULL);
  83     wxDir::Make(DIRTEST_FOLDER + SEP + "folder2", wxS_DIR_DEFAULT, wxPATH_MKDIR_FULL);
  84     wxDir::Make(DIRTEST_FOLDER + SEP + "folder3" + SEP + "subfolder1", wxS_DIR_DEFAULT, wxPATH_MKDIR_FULL);
  85
  86     CreateTempFile(DIRTEST_FOLDER + SEP + "folder1" + SEP + "subfolder2" + SEP + "dummy");
  87     CreateTempFile(DIRTEST_FOLDER + SEP + "dummy");
  88 }
  89
  90 void DirTestCase::tearDown()
  91 {
  92     wxRemove(DIRTEST_FOLDER + SEP + "folder1" + SEP + "subfolder2" + SEP + "dummy");
  93     wxRemove(DIRTEST_FOLDER + SEP + "dummy");
  94     wxDir::Remove(DIRTEST_FOLDER, wxPATH_RMDIR_RECURSIVE);
  95 }
  96
  97 wxArrayString DirTestCase::DirEnumHelper(wxDir& dir,
  98                                          int flags,
  99                                          const wxString& filespec)
 100 {
 101     wxArrayString ret;
 102     CPPUNIT_ASSERT( dir.IsOpened() );
 103
 104     wxString filename;
 105     bool cont = dir.GetFirst(&filename, filespec, flags);
 106     while ( cont )
 107     {
 108         ret.push_back(filename);
 109         cont = dir.GetNext(&filename);
 110     }
 111
 112     return ret;
 113 }
 114
 115 void DirTestCase::Enum()
 116 {
 117     wxDir dir(DIRTEST_FOLDER);
 118     CPPUNIT_ASSERT( dir.IsOpened() );
 119
 120     // enumerating everything in test directory
 121     CPPUNIT_ASSERT_EQUAL(4, DirEnumHelper(dir).size());
 122
 123     // enumerating really everything in test directory recursively
 124     CPPUNIT_ASSERT_EQUAL(6, DirEnumHelper(dir, wxDIR_DEFAULT | wxDIR_DOTDOT).size());
 125
 126     // enumerating object files in test directory
 127     CPPUNIT_ASSERT_EQUAL(0, DirEnumHelper(dir, wxDIR_DEFAULT, "*.o*").size());
 128
 129     // enumerating directories in test directory
 130     CPPUNIT_ASSERT_EQUAL(3, DirEnumHelper(dir, wxDIR_DIRS).size());
 131
 132     // enumerating files in test directory
 133     CPPUNIT_ASSERT_EQUAL(1, DirEnumHelper(dir, wxDIR_FILES).size());
 134
 135     // enumerating files including hidden in test directory
 136     CPPUNIT_ASSERT_EQUAL(1, DirEnumHelper(dir, wxDIR_FILES | wxDIR_HIDDEN).size());
 137
 138     // enumerating files and folders in test directory
 139     CPPUNIT_ASSERT_EQUAL(4, DirEnumHelper(dir, wxDIR_FILES | wxDIR_DIRS).size());
 140 }
 141
 142 class TestDirTraverser : public wxDirTraverser
 143 {
 144 public:
 145     wxArrayString dirs;
 146
 147     virtual wxDirTraverseResult OnFile(const wxString& WXUNUSED(filename))
 148     {
 149         return wxDIR_CONTINUE;
 150     }
 151
 152     virtual wxDirTraverseResult OnDir(const wxString& dirname)
 153     {
 154         dirs.push_back(dirname);
 155         return wxDIR_CONTINUE;
 156     }
 157 };
 158
 159 void DirTestCase::Traverse()
 160 {
 161     // enum all files
 162     wxArrayString files;
 163     CPPUNIT_ASSERT_EQUAL(2, wxDir::GetAllFiles(DIRTEST_FOLDER, &files));
 164
 165     // enum again with custom traverser
 166     wxDir dir(DIRTEST_FOLDER);
 167     TestDirTraverser traverser;
 168     dir.Traverse(traverser, wxEmptyString, wxDIR_DIRS | wxDIR_HIDDEN);
 169     CPPUNIT_ASSERT_EQUAL(6, traverser.dirs.size());
 170 }
 171
 172 void DirTestCase::DirExists()
 173 {
 174     struct
 175     {
 176         const char *dirname;
 177         bool shouldExist;
 178     } testData[] =
 179     {
 180         { ".", true },
 181         { "..", true },
 182         { "$USER_DOCS_DIR", true },
 183 #if defined(__WINDOWS__)
 184         { "$USER_DOCS_DIR\\", true },
 185         { "$USER_DOCS_DIR\\\\", true },
 186         { "..\\..", true },
 187         { "$MSW_DRIVE", true },
 188         { "$MSW_DRIVE\\", true },
 189         { "$MSW_DRIVE\\\\", true },
 190         { "\\\\non_existent_share\\file", false },
 191         { "$MSW_DRIVE\\a\\directory\\which\\does\\not\\exist", false },
 192         { "$MSW_DRIVE\\a\\directory\\which\\does\\not\\exist\\", false },
 193         { "$MSW_DRIVE\\a\\directory\\which\\does\\not\\exist\\\\", false },
 194         { "test.exe", false }            // not a directory!
 195 #elif defined(__UNIX__)
 196         { "../..", true },
 197         { "/", true },
 198         { "//", true },
 199         { "/usr/bin", true },
 200         { "/usr//bin", true },
 201         { "/usr///bin", true },
 202         { "/tmp/a/directory/which/does/not/exist", false },
 203         { "/bin/ls", false }             // not a directory!
 204 #endif
 205     };
 206
 207 #ifdef __WINDOWS__
 208     wxString homedrive = wxGetenv("HOMEDRIVE");
 209     if ( homedrive.empty() )
 210         homedrive = "c:";
 211 #endif // __WINDOWS__
 212
 213     for ( size_t n = 0; n < WXSIZEOF(testData); n++ )
 214     {
 215         wxString dirname = testData[n].dirname;
 216         dirname.Replace("$USER_DOCS_DIR", wxStandardPaths::Get().GetDocumentsDir());
 217
 218 #ifdef __WINDOWS__
 219         dirname.Replace("$MSW_DRIVE", homedrive);
 220 #endif // __WINDOWS__
 221
 222         std::string errDesc = wxString::Format("failed on directory '%s'", dirname).ToStdString();
 223         CPPUNIT_ASSERT_EQUAL_MESSAGE(errDesc, testData[n].shouldExist, wxDir::Exists(dirname));
 224
 225         wxDir d(dirname);
 226         CPPUNIT_ASSERT_EQUAL(testData[n].shouldExist, d.IsOpened());
 227     }
 228
 229     CPPUNIT_ASSERT( wxDir::Exists(wxGetCwd()) );
 230 }
 231
 232 void DirTestCase::GetName()
 233 {
 234     wxDir d;
 235
 236     CPPUNIT_ASSERT( d.Open(".") );
 237     CPPUNIT_ASSERT( d.GetName().Last() != wxFILE_SEP_PATH );
 238
 239 #ifdef __UNIX__
 240     CPPUNIT_ASSERT( d.Open("/") );
 241     CPPUNIT_ASSERT_EQUAL( "/", d.GetName() );
 242 #endif
 243 }