tests/xml/xmltest.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/xml/xmltest.cpp
   3 // Purpose:     XML classes unit test
   4 // Author:      Vaclav Slavik
   5 // Created:     2008-03-29
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2008 Vaclav Slavik
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 #include "testprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/wx.h"
  22 #endif // WX_PRECOMP
  23
  24 #include "wx/xml/xml.h"
  25 #include "wx/sstream.h"
  26
  27 #include <stdarg.h>
  28
  29 // ----------------------------------------------------------------------------
  30 // helpers for testing XML tree
  31 // ----------------------------------------------------------------------------
  32
  33 namespace
  34 {
  35
  36 void CheckXml(wxXmlNode *n, ...)
  37 {
  38     va_list args;
  39     va_start(args, n);
  40
  41     wxXmlNode *child = n->GetChildren();
  42
  43     for (;;)
  44     {
  45         const char *childName = va_arg(args, char*);
  46         if ( childName == NULL )
  47             break;
  48
  49         CPPUNIT_ASSERT( child );
  50         CPPUNIT_ASSERT_EQUAL( childName, child->GetName() );
  51         CPPUNIT_ASSERT( child->GetChildren() == NULL );
  52         CPPUNIT_ASSERT( child->GetParent() == n );
  53
  54         child = child->GetNext();
  55     }
  56
  57     va_end(args);
  58
  59     CPPUNIT_ASSERT( child == NULL ); // no more children
  60 }
  61
  62 } // anon namespace
  63
  64 // ----------------------------------------------------------------------------
  65 // test class
  66 // ----------------------------------------------------------------------------
  67
  68 class XmlTestCase : public CppUnit::TestCase
  69 {
  70 public:
  71     XmlTestCase() {}
  72
  73 private:
  74     CPPUNIT_TEST_SUITE( XmlTestCase );
  75         CPPUNIT_TEST( InsertChild );
  76         CPPUNIT_TEST( InsertChildAfter );
  77         CPPUNIT_TEST( LoadSave );
  78         CPPUNIT_TEST( CDATA );
  79     CPPUNIT_TEST_SUITE_END();
  80
  81     void InsertChild();
  82     void InsertChildAfter();
  83     void LoadSave();
  84     void CDATA();
  85
  86     DECLARE_NO_COPY_CLASS(XmlTestCase)
  87 };
  88
  89 // register in the unnamed registry so that these tests are run by default
  90 CPPUNIT_TEST_SUITE_REGISTRATION( XmlTestCase );
  91
  92 // also include in it's own registry so that these tests can be run alone
  93 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( XmlTestCase, "XmlTestCase" );
  94
  95 void XmlTestCase::InsertChild()
  96 {
  97     wxXmlNode *root = new wxXmlNode(wxXML_ELEMENT_NODE, "root");
  98     root->AddChild(new wxXmlNode(wxXML_ELEMENT_NODE, "1"));
  99     wxXmlNode *two = new wxXmlNode(wxXML_ELEMENT_NODE, "2");
 100     root->AddChild(two);
 101     root->AddChild(new wxXmlNode(wxXML_ELEMENT_NODE, "3"));
 102     CheckXml(root, "1", "2", "3", NULL);
 103
 104     // check inserting in front:
 105     root->InsertChild(new wxXmlNode(wxXML_ELEMENT_NODE, "A"), NULL);
 106     CheckXml(root, "A", "1", "2", "3", NULL);
 107     root->InsertChild(new wxXmlNode(wxXML_ELEMENT_NODE, "B"), root->GetChildren());
 108     CheckXml(root, "B", "A", "1", "2", "3", NULL);
 109
 110     // and in the middle:
 111     root->InsertChild(new wxXmlNode(wxXML_ELEMENT_NODE, "C"), two);
 112     CheckXml(root, "B", "A", "1", "C", "2", "3", NULL);
 113 }
 114
 115 void XmlTestCase::InsertChildAfter()
 116 {
 117     wxXmlNode *root = new wxXmlNode(wxXML_ELEMENT_NODE, "root");
 118
 119     root->InsertChildAfter(new wxXmlNode(wxXML_ELEMENT_NODE, "1"), NULL);
 120     CheckXml(root, "1", NULL);
 121
 122     wxXmlNode *two = new wxXmlNode(wxXML_ELEMENT_NODE, "2");
 123     root->AddChild(two);
 124     wxXmlNode *three = new wxXmlNode(wxXML_ELEMENT_NODE, "3");
 125     root->AddChild(three);
 126     CheckXml(root, "1", "2", "3", NULL);
 127
 128     // check inserting in the middle:
 129     root->InsertChildAfter(new wxXmlNode(wxXML_ELEMENT_NODE, "A"), root->GetChildren());
 130     CheckXml(root, "1", "A", "2", "3", NULL);
 131     root->InsertChildAfter(new wxXmlNode(wxXML_ELEMENT_NODE, "B"), two);
 132     CheckXml(root, "1", "A", "2", "B", "3", NULL);
 133
 134     // and at the end:
 135     root->InsertChildAfter(new wxXmlNode(wxXML_ELEMENT_NODE, "C"), three);
 136     CheckXml(root, "1", "A", "2", "B", "3", "C", NULL);
 137 }
 138
 139 void XmlTestCase::LoadSave()
 140 {
 141     // NB: this is not real XRC but rather some XRC-like XML fragment which
 142     //     exercises different XML constructs to check that they're saved back
 143     //     correctly
 144     //
 145     // Also note that there should be no blank lines here as they disappear
 146     // after saving.
 147     const char *xmlText =
 148 "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n"
 149 "<resource xmlns=\"http://www.wxwidgets.org/wxxrc\" version=\"2.3.0.1\">\n"
 150 "  <object class=\"wxDialog\" name=\"my_dialog\">\n"
 151 "    <children>\n"
 152 "      <grandchild id=\"1\"/>\n"
 153 "    </children>\n"
 154 "    <subobject/>\n"
 155 "  </object>\n"
 156 "</resource>\n"
 157     ;
 158
 159     wxStringInputStream sis(xmlText);
 160
 161     wxXmlDocument doc;
 162     CPPUNIT_ASSERT( doc.Load(sis) );
 163
 164     wxStringOutputStream sos;
 165     CPPUNIT_ASSERT( doc.Save(sos) );
 166
 167     CPPUNIT_ASSERT_EQUAL( xmlText, sos.GetString() );
 168
 169
 170     const char *utf8xmlText =
 171 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
 172 "<word>\n"
 173 "  <lang name=\"fr\">\xc3\xa9t\xc3\xa9</lang>\n"
 174 "  <lang name=\"ru\">\xd0\xbb\xd0\xb5\xd1\x82\xd0\xbe</lang>\n"
 175 "</word>\n"
 176     ;
 177
 178     wxStringInputStream sis8(wxString::FromUTF8(utf8xmlText));
 179     CPPUNIT_ASSERT( doc.Load(sis8) );
 180
 181     // this contents can't be represented in Latin-1 as it contains Cyrillic
 182     // letters
 183     doc.SetFileEncoding("ISO-8859-1");
 184     CPPUNIT_ASSERT( !doc.Save(sos) );
 185
 186     // but it should work in UTF-8
 187     wxStringOutputStream sos8;
 188     doc.SetFileEncoding("UTF-8");
 189     CPPUNIT_ASSERT( doc.Save(sos8) );
 190     CPPUNIT_ASSERT_EQUAL( wxString(utf8xmlText),
 191                           wxString(sos8.GetString().ToUTF8()) );
 192 }
 193
 194 void XmlTestCase::CDATA()
 195 {
 196     const char *xmlText =
 197         "<?xml version=\"1.0\" encoding=\"windows-1252\"?>\n"
 198         "<name>\n"
 199         "  <![CDATA[Giovanni Mittone]]>\n"
 200         "</name>\n"
 201     ;
 202
 203     wxStringInputStream sis(xmlText);
 204     wxXmlDocument doc;
 205     CPPUNIT_ASSERT( doc.Load(sis) );
 206
 207     wxXmlNode *n = doc.GetRoot();
 208     CPPUNIT_ASSERT( n );
 209
 210     n = n->GetChildren();
 211     CPPUNIT_ASSERT( n );
 212
 213     // check that both leading ("  ") and trailing white space is not part of
 214     // the node contents when CDATA is used and wxXMLDOC_KEEP_WHITESPACE_NODES
 215     // is not
 216     CPPUNIT_ASSERT_EQUAL( "Giovanni Mittone", n->GetContent() );
 217 }