tests/archive/ziptest.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/archive/ziptest.cpp
   3 // Purpose:     Test the zip classes
   4 // Author:      Mike Wetherell
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 2004 Mike Wetherell
   7 // Licence:     wxWindows licence
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 #include "testprec.h"
  11
  12 #ifdef __BORLANDC__
  13 #   pragma hdrstop
  14 #endif
  15
  16 #ifndef WX_PRECOMP
  17 #   include "wx/wx.h"
  18 #endif
  19
  20 #if wxUSE_STREAMS && wxUSE_ZIPSTREAM
  21
  22 #include "archivetest.h"
  23 #include "wx/zipstrm.h"
  24
  25 using std::string;
  26 using std::auto_ptr;
  27
  28
  29 ///////////////////////////////////////////////////////////////////////////////
  30 // ArchiveTestCase<wxZipClassFactory> could be used directly, but instead this
  31 // derived class is used so that zip specific features can be tested.
  32
  33 class ZipTestCase : public ArchiveTestCase<wxZipClassFactory>
  34 {
  35 public:
  36     ZipTestCase(string name,
  37                 int options,
  38                 const wxString& archiver = wxEmptyString,
  39                 const wxString& unarchiver = wxEmptyString)
  40     :
  41         ArchiveTestCase<wxZipClassFactory>(name, new wxZipClassFactory,
  42                                            options, archiver, unarchiver),
  43         m_count(0)
  44     { }
  45
  46 protected:
  47     void OnCreateArchive(wxZipOutputStream& zip);
  48
  49     void OnArchiveExtracted(wxZipInputStream& zip, int expectedTotal);
  50
  51     void OnCreateEntry(wxZipOutputStream& zip,
  52                        TestEntry& testEntry,
  53                        wxZipEntry *entry);
  54
  55     void OnEntryExtracted(wxZipEntry& entry,
  56                           const TestEntry& testEntry,
  57                           wxZipInputStream *arc);
  58
  59     void OnSetNotifier(EntryT& entry);
  60
  61     int m_count;
  62     wxString m_comment;
  63 };
  64
  65 void ZipTestCase::OnCreateArchive(wxZipOutputStream& zip)
  66 {
  67     m_comment << _T("Comment for test ") << m_id;
  68     zip.SetComment(m_comment);
  69 }
  70
  71 void ZipTestCase::OnArchiveExtracted(wxZipInputStream& zip, int expectedTotal)
  72 {
  73     CPPUNIT_ASSERT(zip.GetComment() == m_comment);
  74     CPPUNIT_ASSERT(zip.GetTotalEntries() == expectedTotal);
  75 }
  76
  77 void ZipTestCase::OnCreateEntry(wxZipOutputStream& zip,
  78                                 TestEntry& testEntry,
  79                                 wxZipEntry *entry)
  80 {
  81     zip.SetLevel((m_id + m_count) % 10);
  82
  83     if (entry) {
  84         switch ((m_id + m_count) % 5) {
  85             case 0:
  86             {
  87                 wxString comment = _T("Comment for ") + entry->GetName();
  88                 entry->SetComment(comment);
  89                 // lowercase the expected result, and the notifier should do
  90                 // the same for the zip entries when ModifyArchive() runs
  91                 testEntry.SetComment(comment.Lower());
  92                 break;
  93             }
  94             case 2:
  95                 entry->SetMethod(wxZIP_METHOD_STORE);
  96                 break;
  97             case 4:
  98                 entry->SetMethod(wxZIP_METHOD_DEFLATE);
  99                 break;
 100         }
 101         entry->SetIsText(testEntry.IsText());
 102     }
 103
 104     m_count++;
 105 }
 106
 107 void ZipTestCase::OnEntryExtracted(wxZipEntry& entry,
 108                                    const TestEntry& testEntry,
 109                                    wxZipInputStream *arc)
 110 {
 111     // provide some context for the error message so that we know which
 112     // iteration of the loop we were on
 113     wxString name = _T(" '") + entry.GetName() + _T("'");
 114     string error_entry(name.mb_str());
 115     string error_context(" failed for entry" + error_entry);
 116
 117     CPPUNIT_ASSERT_MESSAGE("GetComment" + error_context,
 118         entry.GetComment() == testEntry.GetComment());
 119
 120     // for seekable streams, GetNextEntry() doesn't read the local header so
 121     // call OpenEntry() to do it
 122     if (arc && (m_options & PipeIn) == 0 && entry.IsDir())
 123         arc->OpenEntry(entry);
 124
 125     CPPUNIT_ASSERT_MESSAGE("IsText" + error_context,
 126                            entry.IsText() == testEntry.IsText());
 127
 128     CPPUNIT_ASSERT_MESSAGE("Extra/LocalExtra mismatch for entry" + error_entry,
 129         (entry.GetExtraLen() != 0 && entry.GetLocalExtraLen() != 0) ||
 130         (entry.GetExtraLen() == 0 && entry.GetLocalExtraLen() == 0));
 131 }
 132
 133 // check the notifier mechanism by using it to fold the entry comments to
 134 // lowercase
 135 //
 136 class ZipNotifier : public wxZipNotifier
 137 {
 138 public:
 139     void OnEntryUpdated(wxZipEntry& entry);
 140 };
 141
 142 void ZipNotifier::OnEntryUpdated(wxZipEntry& entry)
 143 {
 144     entry.SetComment(entry.GetComment().Lower());
 145 }
 146
 147 void ZipTestCase::OnSetNotifier(EntryT& entry)
 148 {
 149     static ZipNotifier notifier;
 150     entry.SetNotifier(notifier);
 151 }
 152
 153
 154 ///////////////////////////////////////////////////////////////////////////////
 155 // 'zip - -' produces local headers without the size field set. This is a
 156 // case not covered by all the other tests, so this class tests it as a
 157 // special case
 158
 159 class ZipPipeTestCase : public CppUnit::TestCase
 160 {
 161 public:
 162     ZipPipeTestCase(string name, int options) :
 163         CppUnit::TestCase(TestId::MakeId() + name),
 164         m_options(options),
 165         m_id(TestId::GetId())
 166     { }
 167
 168 protected:
 169     void runTest();
 170     int m_options;
 171     int m_id;
 172 };
 173
 174 void ZipPipeTestCase::runTest()
 175 {
 176     TestOutputStream out(m_options);
 177
 178     wxString testdata = _T("test data to pipe through zip");
 179     wxString cmd = _T("echo ") + testdata + _T(" | zip -q - -");
 180
 181     {
 182         PFileInputStream in(cmd);
 183         if (in.Ok())
 184             out.Write(in);
 185     }
 186
 187     TestInputStream in(out, m_id % ((m_options & PipeIn) ? 4 : 3));
 188     wxZipInputStream zip(in);
 189
 190     auto_ptr<wxZipEntry> entry(zip.GetNextEntry());
 191     CPPUNIT_ASSERT(entry.get() != NULL);
 192
 193     if ((m_options & PipeIn) == 0)
 194         CPPUNIT_ASSERT(entry->GetSize() != wxInvalidOffset);
 195
 196     char buf[64];
 197     size_t len = zip.Read(buf, sizeof(buf) - 1).LastRead();
 198
 199     while (len > 0 && buf[len - 1] <= 32)
 200         --len;
 201     buf[len] = 0;
 202
 203     CPPUNIT_ASSERT(zip.Eof());
 204     CPPUNIT_ASSERT(wxString(buf, *wxConvCurrent) == testdata);
 205 }
 206
 207
 208 ///////////////////////////////////////////////////////////////////////////////
 209 // Zip suite
 210
 211 class ziptest : public ArchiveTestSuite
 212 {
 213 public:
 214     ziptest();
 215     static CppUnit::Test *suite() { return (new ziptest)->makeSuite(); }
 216
 217 protected:
 218     ArchiveTestSuite *makeSuite();
 219
 220     CppUnit::Test *makeTest(string descr, int options,
 221                             bool genericInterface, const wxString& archiver,
 222                             const wxString& unarchiver);
 223 };
 224
 225 ziptest::ziptest()
 226   : ArchiveTestSuite("zip")
 227 {
 228     AddArchiver(_T("zip -qr %s *"));
 229     AddUnArchiver(_T("unzip -q %s"));
 230 }
 231
 232 ArchiveTestSuite *ziptest::makeSuite()
 233 {
 234     ArchiveTestSuite::makeSuite();
 235
 236 #if !defined WXARC_NO_POPEN && !defined __WXMSW__
 237     // If have popen then can check the piped output of 'zip - -'.
 238     // The gnuwin32 build of infozip does work for this, e.g.:
 239     //  C:\>echo test data to pipe through zip | zip -q > foo.zip
 240     // doesn't produce a valid zip, so disabled for now.
 241     if (IsInPath(_T("zip")))
 242         for (int options = 0; options <= PipeIn; options += PipeIn) {
 243             string name = Description(_T("ZipPipeTestCase"), options,
 244                                       false, _T(""), _T("zip -q - -"));
 245             addTest(new ZipPipeTestCase(name, options));
 246         }
 247 #endif
 248
 249     return this;
 250 }
 251
 252 CppUnit::Test *ziptest::makeTest(
 253     string descr,
 254     int   options,
 255     bool  genericInterface,
 256     const wxString& archiver,
 257     const wxString& unarchiver)
 258 {
 259     // unzip doesn't support piping in the zip
 260     if ((options & PipeIn) && !unarchiver.empty())
 261         return NULL;
 262
 263     if (genericInterface)
 264         return new ArchiveTestCase<wxArchiveClassFactory>(
 265                             descr, new wxZipClassFactory,
 266                             options, archiver, unarchiver);
 267     else
 268         return new ZipTestCase(descr, options, archiver, unarchiver);
 269 }
 270
 271 CPPUNIT_TEST_SUITE_REGISTRATION(ziptest);
 272 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(ziptest, "archive");
 273 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(ziptest, "archive/zip");
 274
 275 #endif // wxUSE_STREAMS && wxUSE_ZIPSTREAM