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#!/usr/bin/python -u # -*- coding: ISO-8859-1 -*- # # this tests the basic APIs of the XmlTextReader interface # import libxml2 import sys try: import StringIO str_io = StringIO.StringIO except: import io str_io = io.StringIO # Memory debug specific libxml2.debugMemory(1) f = str_io("""<a><b b1="b1"/><c>content of c</c></a>""") input = libxml2.inputBuffer(f) reader = input.newTextReader("test1") ret = reader.Read() if ret != 1: print("test1: Error reading to first element") sys.exit(1) if reader.Name() != "a" or reader.IsEmptyElement() != 0 or \ reader.NodeType() != 1 or reader.HasAttributes() != 0: print("test1: Error reading the first element") sys.exit(1) ret = reader.Read() if ret != 1: print("test1: Error reading to second element") sys.exit(1) if reader.Name() != "b" or reader.IsEmptyElement() != 1 or \ reader.NodeType() != 1 or reader.HasAttributes() != 1: print("test1: Error reading the second element") sys.exit(1) ret = reader.Read() if ret != 1: print("test1: Error reading to third element") sys.exit(1) if reader.Name() != "c" or reader.IsEmptyElement() != 0 or \ reader.NodeType() != 1 or reader.HasAttributes() != 0: print("test1: Error reading the third element") sys.exit(1) ret = reader.Read() if ret != 1: print("test1: Error reading to text node") sys.exit(1) if reader.Name() != "#text" or reader.IsEmptyElement() != 0 or \ reader.NodeType() != 3 or reader.HasAttributes() != 0 or \ reader.Value() != "content of c": print("test1: Error reading the text node") sys.exit(1) ret = reader.Read() if ret != 1: print("test1: Error reading to end of third element") sys.exit(1) if reader.Name() != "c" or reader.IsEmptyElement() != 0 or \ reader.NodeType() != 15 or reader.HasAttributes() != 0: print("test1: Error reading the end of third element") sys.exit(1) ret = reader.Read() if ret != 1: print("test1: Error reading to end of first element") sys.exit(1) if reader.Name() != "a" or reader.IsEmptyElement() != 0 or \ reader.NodeType() != 15 or reader.HasAttributes() != 0: print("test1: Error reading the end of first element") sys.exit(1) ret = reader.Read() if ret != 0: print("test1: Error reading to end of document") sys.exit(1) # # example from the XmlTextReader docs # f = str_io("""<test xmlns:dt="urn:datatypes" dt:type="int"/>""") input = libxml2.inputBuffer(f) reader = input.newTextReader("test2") ret = reader.Read() if ret != 1: print("Error reading test element") sys.exit(1) if reader.GetAttributeNo(0) != "urn:datatypes" or \ reader.GetAttributeNo(1) != "int" or \ reader.GetAttributeNs("type", "urn:datatypes") != "int" or \ reader.GetAttribute("dt:type") != "int": print("error reading test attributes") sys.exit(1) # # example from the XmlTextReader docs # f = str_io("""<root xmlns:a="urn:456"> <item> <ref href="a:b"/> </item> </root>""") input = libxml2.inputBuffer(f) reader = input.newTextReader("test3") ret = reader.Read() while ret == 1: if reader.Name() == "ref": if reader.LookupNamespace("a") != "urn:456": print("error resolving namespace prefix") sys.exit(1) break ret = reader.Read() if ret != 1: print("Error finding the ref element") sys.exit(1) # # Home made example for the various attribute access functions # f = str_io("""<testattr xmlns="urn:1" xmlns:a="urn:2" b="b" a:b="a:b"/>""") input = libxml2.inputBuffer(f) reader = input.newTextReader("test4") ret = reader.Read() if ret != 1: print("Error reading the testattr element") sys.exit(1) # # Attribute exploration by index # if reader.MoveToAttributeNo(0) != 1: print("Failed moveToAttribute(0)") sys.exit(1) if reader.Value() != "urn:1": print("Failed to read attribute(0)") sys.exit(1) if reader.Name() != "xmlns": print("Failed to read attribute(0) name") sys.exit(1) if reader.MoveToAttributeNo(1) != 1: print("Failed moveToAttribute(1)") sys.exit(1) if reader.Value() != "urn:2": print("Failed to read attribute(1)") sys.exit(1) if reader.Name() != "xmlns:a": print("Failed to read attribute(1) name") sys.exit(1) if reader.MoveToAttributeNo(2) != 1: print("Failed moveToAttribute(2)") sys.exit(1) if reader.Value() != "b": print("Failed to read attribute(2)") sys.exit(1) if reader.Name() != "b": print("Failed to read attribute(2) name") sys.exit(1) if reader.MoveToAttributeNo(3) != 1: print("Failed moveToAttribute(3)") sys.exit(1) if reader.Value() != "a:b": print("Failed to read attribute(3)") sys.exit(1) if reader.Name() != "a:b": print("Failed to read attribute(3) name") sys.exit(1) # # Attribute exploration by name # if reader.MoveToAttribute("xmlns") != 1: print("Failed moveToAttribute('xmlns')") sys.exit(1) if reader.Value() != "urn:1": print("Failed to read attribute('xmlns')") sys.exit(1) if reader.MoveToAttribute("xmlns:a") != 1: print("Failed moveToAttribute('xmlns')") sys.exit(1) if reader.Value() != "urn:2": print("Failed to read attribute('xmlns:a')") sys.exit(1) if reader.MoveToAttribute("b") != 1: print("Failed moveToAttribute('b')") sys.exit(1) if reader.Value() != "b": print("Failed to read attribute('b')") sys.exit(1) if reader.MoveToAttribute("a:b") != 1: print("Failed moveToAttribute('a:b')") sys.exit(1) if reader.Value() != "a:b": print("Failed to read attribute('a:b')") sys.exit(1) if reader.MoveToAttributeNs("b", "urn:2") != 1: print("Failed moveToAttribute('b', 'urn:2')") sys.exit(1) if reader.Value() != "a:b": print("Failed to read attribute('b', 'urn:2')") sys.exit(1) # # Go back and read in sequence # if reader.MoveToElement() != 1: print("Failed to move back to element") sys.exit(1) if reader.MoveToFirstAttribute() != 1: print("Failed to move to first attribute") sys.exit(1) if reader.Value() != "urn:1": print("Failed to read attribute(0)") sys.exit(1) if reader.Name() != "xmlns": print("Failed to read attribute(0) name") sys.exit(1) if reader.MoveToNextAttribute() != 1: print("Failed to move to next attribute") sys.exit(1) if reader.Value() != "urn:2": print("Failed to read attribute(1)") sys.exit(1) if reader.Name() != "xmlns:a": print("Failed to read attribute(1) name") sys.exit(1) if reader.MoveToNextAttribute() != 1: print("Failed to move to next attribute") sys.exit(1) if reader.Value() != "b": print("Failed to read attribute(2)") sys.exit(1) if reader.Name() != "b": print("Failed to read attribute(2) name") sys.exit(1) if reader.MoveToNextAttribute() != 1: print("Failed to move to next attribute") sys.exit(1) if reader.Value() != "a:b": print("Failed to read attribute(3)") sys.exit(1) if reader.Name() != "a:b": print("Failed to read attribute(3) name") sys.exit(1) if reader.MoveToNextAttribute() != 0: print("Failed to detect last attribute") sys.exit(1) # # a couple of tests for namespace nodes # f = str_io("""<a xmlns="http://example.com/foo"/>""") input = libxml2.inputBuffer(f) reader = input.newTextReader("test6") ret = reader.Read() if ret != 1: print("test6: failed to Read()") sys.exit(1) ret = reader.MoveToFirstAttribute() if ret != 1: print("test6: failed to MoveToFirstAttribute()") sys.exit(1) if reader.NamespaceUri() != "http://www.w3.org/2000/xmlns/" or \ reader.LocalName() != "xmlns" or reader.Name() != "xmlns" or \ reader.Value() != "http://example.com/foo" or reader.NodeType() != 2: print("test6: failed to read the namespace node") sys.exit(1) f = str_io("""<a xmlns:prefix="http://example.com/foo"/>""") input = libxml2.inputBuffer(f) reader = input.newTextReader("test7") ret = reader.Read() if ret != 1: print("test7: failed to Read()") sys.exit(1) ret = reader.MoveToFirstAttribute() if ret != 1: print("test7: failed to MoveToFirstAttribute()") sys.exit(1) if reader.NamespaceUri() != "http://www.w3.org/2000/xmlns/" or \ reader.LocalName() != "prefix" or reader.Name() != "xmlns:prefix" or \ reader.Value() != "http://example.com/foo" or reader.NodeType() != 2: print("test7: failed to read the namespace node") sys.exit(1) # # Test for a limit case: # f = str_io("""<a/>""") input = libxml2.inputBuffer(f) reader = input.newTextReader("test8") ret = reader.Read() if ret != 1: print("test8: failed to read the node") sys.exit(1) if reader.Name() != "a" or reader.IsEmptyElement() != 1: print("test8: failed to analyze the node") sys.exit(1) ret = reader.Read() if ret != 0: print("test8: failed to detect the EOF") sys.exit(1) # # Another test provided by St�phane Bidoul and checked with C# # def tst_reader(s): f = str_io(s) input = libxml2.inputBuffer(f) reader = input.newTextReader("tst") res = "" while reader.Read(): res=res + "%s (%s) [%s] %d %d\n" % (reader.NodeType(),reader.Name(), reader.Value(), reader.IsEmptyElement(), reader.Depth()) if reader.NodeType() == 1: # Element while reader.MoveToNextAttribute(): res = res + "-- %s (%s) [%s] %d %d\n" % (reader.NodeType(), reader.Name(),reader.Value(), reader.IsEmptyElement(), reader.Depth()) return res doc="""<a><b b1="b1"/><c>content of c</c></a>""" expect="""1 (a) [None] 0 0 1 (b) [None] 1 1 -- 2 (b1) [b1] 0 2 1 (c) [None] 0 1 3 (#text) [content of c] 0 2 15 (c) [None] 0 1 15 (a) [None] 0 0 """ res = tst_reader(doc) if res != expect: print("test5 failed") print(res) sys.exit(1) doc="""<test><b/><c/></test>""" expect="""1 (test) [None] 0 0 1 (b) [None] 1 1 1 (c) [None] 1 1 15 (test) [None] 0 0 """ res = tst_reader(doc) if res != expect: print("test9 failed") print(res) sys.exit(1) doc="""<a><b>bbb</b><c>ccc</c></a>""" expect="""1 (a) [None] 0 0 1 (b) [None] 0 1 3 (#text) [bbb] 0 2 15 (b) [None] 0 1 1 (c) [None] 0 1 3 (#text) [ccc] 0 2 15 (c) [None] 0 1 15 (a) [None] 0 0 """ res = tst_reader(doc) if res != expect: print("test10 failed") print(res) sys.exit(1) doc="""<test a="a"/>""" expect="""1 (test) [None] 1 0 -- 2 (a) [a] 0 1 """ res = tst_reader(doc) if res != expect: print("test11 failed") print(res) sys.exit(1) doc="""<test><a>aaa</a><b/></test>""" expect="""1 (test) [None] 0 0 1 (a) [None] 0 1 3 (#text) [aaa] 0 2 15 (a) [None] 0 1 1 (b) [None] 1 1 15 (test) [None] 0 0 """ res = tst_reader(doc) if res != expect: print("test12 failed") print(res) sys.exit(1) doc="""<test><p></p></test>""" expect="""1 (test) [None] 0 0 1 (p) [None] 0 1 15 (p) [None] 0 1 15 (test) [None] 0 0 """ res = tst_reader(doc) if res != expect: print("test13 failed") print(res) sys.exit(1) doc="""<p></p>""" expect="""1 (p) [None] 0 0 15 (p) [None] 0 0 """ res = tst_reader(doc) if res != expect: print("test14 failed") print(res) sys.exit(1) # # test from bug #108801 # doc="""<?xml version="1.0" standalone="no"?> <!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" [ ]> <article> xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx </article> """ expect="""10 (article) [None] 0 0 1 (article) [None] 0 0 3 (#text) [ xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx ] 0 1 15 (article) [None] 0 0 """ res = tst_reader(doc) if res != expect: print("test15 failed") print(res) sys.exit(1) # # cleanup for memory allocation counting # del f del input del reader # Memory debug specific libxml2.cleanupParser() if libxml2.debugMemory(1) == 0: print("OK") else: print("Memory leak %d bytes" % (libxml2.debugMemory(1))) libxml2.dumpMemory()