python/tests/tstLastError.py

   1 #!/usr/bin/python -u
   2 import sys, unittest
   3
   4 import libxml2
   5
   6 class TestCase(unittest.TestCase):
   7
   8     def runTest(self):
   9         self.test1()
  10         self.test2()
  11
  12     def setUp(self):
  13         libxml2.debugMemory(1)
  14
  15     def tearDown(self):
  16         libxml2.cleanupParser()
  17         if libxml2.debugMemory(1) != 0:
  18             libxml2.dumpMemory()
  19             self.fail("Memory leak %d bytes" % (libxml2.debugMemory(1),))
  20         else:
  21             print("OK")
  22
  23     def failUnlessXmlError(self,f,args,exc,domain,code,message,level,file,line):
  24         """Run function f, with arguments args and expect an exception exc;
  25         when the exception is raised, check the libxml2.lastError for
  26         expected values."""
  27         # disable the default error handler
  28         libxml2.registerErrorHandler(None,None)
  29         try:
  30             f(*args)
  31         except exc:
  32             e = libxml2.lastError()
  33             if e is None:
  34                 self.fail("lastError not set")
  35             if 0:
  36                 print("domain = ",e.domain())
  37                 print("code = ",e.code())
  38                 print("message =",repr(e.message()))
  39                 print("level =",e.level())
  40                 print("file =",e.file())
  41                 print("line =",e.line())
  42                 print()
  43             self.failUnlessEqual(domain,e.domain())
  44             self.failUnlessEqual(code,e.code())
  45             self.failUnlessEqual(message,e.message())
  46             self.failUnlessEqual(level,e.level())
  47             self.failUnlessEqual(file,e.file())
  48             self.failUnlessEqual(line,e.line())
  49         else:
  50             self.fail("exception %s should have been raised" % exc)
  51
  52     def test1(self):
  53         """Test readFile with a file that does not exist"""
  54         self.failUnlessXmlError(libxml2.readFile,
  55                         ("dummy.xml",None,0),
  56                         libxml2.treeError,
  57                         domain=libxml2.XML_FROM_IO,
  58                         code=libxml2.XML_IO_LOAD_ERROR,
  59                         message='failed to load external entity "dummy.xml"\n',
  60                         level=libxml2.XML_ERR_WARNING,
  61                         file=None,
  62                         line=0)
  63
  64     def test2(self):
  65         """Test a well-formedness error: we get the last error only"""
  66         s = "<x>\n<a>\n</x>"
  67         self.failUnlessXmlError(libxml2.readMemory,
  68                         (s,len(s),"dummy.xml",None,0),
  69                         libxml2.treeError,
  70                         domain=libxml2.XML_FROM_PARSER,
  71                         code=libxml2.XML_ERR_TAG_NOT_FINISHED,
  72                         message='Premature end of data in tag x line 1\n',
  73                         level=libxml2.XML_ERR_FATAL,
  74                         file='dummy.xml',
  75                         line=3)
  76
  77 if __name__ == "__main__":
  78     test = TestCase()
  79     test.setUp()
  80     test.test1()
  81     test.test2()
  82     test.tearDown()