[libxml2]Add libxml2 library

libxml2/python/tests/tstLastError.py

@@ -0,0 +1,85 @@
+#!/usr/bin/env python3
+import sys, unittest
+
+import setup_test
+import libxml2
+
+class TestCase(unittest.TestCase):
+
+    def runTest(self):
+        self.test1()
+        self.test2()
+
+    def setUp(self):
+        libxml2.debugMemory(1)
+
+    def tearDown(self):
+        libxml2.cleanupParser()
+        if libxml2.debugMemory(1) != 0:
+            self.fail("Memory leak %d bytes" % (libxml2.debugMemory(1),))
+        else:
+            print("OK")
+
+    def failUnlessXmlError(self,f,args,exc,domain,code,message,level,file,line):
+        """Run function f, with arguments args and expect an exception exc;
+        when the exception is raised, check the libxml2.lastError for
+        expected values."""
+        # disable the default error handler
+        def noerr(ctx, str):
+            pass
+        # None is not acceptable as function.
+        libxml2.registerErrorHandler(noerr,None)
+        try:
+            f(*args)
+        except exc:
+            e = libxml2.lastError()
+            if e is None:
+                self.fail("lastError not set")
+            if 0:
+                print("domain = ",e.domain())
+                print("code = ",e.code())
+                print("message =",repr(e.message()))
+                print("level =",e.level())
+                print("file =",e.file())
+                print("line =",e.line())
+                print()
+            self.assertEqual(domain,e.domain())
+            self.assertEqual(code,e.code())
+            self.assertEqual(message,e.message())
+            self.assertEqual(level,e.level())
+            self.assertEqual(file,e.file())
+            self.assertEqual(line,e.line())
+        else:
+            self.fail("exception %s should have been raised" % exc)
+
+    def test1(self):
+        """Test readFile with a file that does not exist"""
+        self.failUnlessXmlError(libxml2.readFile,
+                        ("dummy.xml",None,0),
+                        libxml2.treeError,
+                        domain=libxml2.XML_FROM_IO,
+                        code=libxml2.XML_IO_ENOENT,
+                        message='failed to load "dummy.xml": No such file or directory\n',
+                        level=libxml2.XML_ERR_WARNING,
+                        file=None,
+                        line=0)
+
+    def test2(self):
+        """Test a well-formedness error: we get the last error only"""
+        s = "<x>\n<a>\n</x>"
+        self.failUnlessXmlError(libxml2.readMemory,
+                        (s,len(s),"dummy.xml",None,0),
+                        libxml2.treeError,
+                        domain=libxml2.XML_FROM_PARSER,
+                        code=libxml2.XML_ERR_TAG_NAME_MISMATCH,
+                        message='Opening and ending tag mismatch: a line 2 and x\n',
+                        level=libxml2.XML_ERR_FATAL,
+                        file='dummy.xml',
+                        line=3)
+
+if __name__ == "__main__":
+    test = TestCase()
+    test.setUp()
+    test.test1()
+    test.test2()
+    test.tearDown()