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1#!/usr/bin/env python3
2# -*- coding: ISO-8859-1 -*-
3#
4# this tests the basic APIs of the XmlTextReader interface
5#
6import libxml2
7import sys
8try:
9    import StringIO
10    str_io = StringIO.StringIO
11except:
12    import io
13    str_io = io.StringIO
14
15# Memory debug specific
16libxml2.debugMemory(1)
17
18f = str_io("""<a><b b1="b1"/><c>content of c</c></a>""")
19input = libxml2.inputBuffer(f)
20reader = input.newTextReader("test1")
21ret = reader.Read()
22if ret != 1:
23    print("test1: Error reading to first element")
24    sys.exit(1)
25if reader.Name() != "a" or reader.IsEmptyElement() != 0 or \
26   reader.NodeType() != 1 or reader.HasAttributes() != 0:
27    print("test1: Error reading the first element")
28    sys.exit(1)
29ret = reader.Read()
30if ret != 1:
31    print("test1: Error reading to second element")
32    sys.exit(1)
33if reader.Name() != "b" or reader.IsEmptyElement() != 1 or \
34   reader.NodeType() != 1 or reader.HasAttributes() != 1:
35    print("test1: Error reading the second element")
36    sys.exit(1)
37ret = reader.Read()
38if ret != 1:
39    print("test1: Error reading to third element")
40    sys.exit(1)
41if reader.Name() != "c" or reader.IsEmptyElement() != 0 or \
42   reader.NodeType() != 1 or reader.HasAttributes() != 0:
43    print("test1: Error reading the third element")
44    sys.exit(1)
45ret = reader.Read()
46if ret != 1:
47    print("test1: Error reading to text node")
48    sys.exit(1)
49if reader.Name() != "#text" or reader.IsEmptyElement() != 0 or \
50   reader.NodeType() != 3 or reader.HasAttributes() != 0 or \
51   reader.Value() != "content of c":
52    print("test1: Error reading the text node")
53    sys.exit(1)
54ret = reader.Read()
55if ret != 1:
56    print("test1: Error reading to end of third element")
57    sys.exit(1)
58if reader.Name() != "c" or reader.IsEmptyElement() != 0 or \
59   reader.NodeType() != 15 or reader.HasAttributes() != 0:
60    print("test1: Error reading the end of third element")
61    sys.exit(1)
62ret = reader.Read()
63if ret != 1:
64    print("test1: Error reading to end of first element")
65    sys.exit(1)
66if reader.Name() != "a" or reader.IsEmptyElement() != 0 or \
67   reader.NodeType() != 15 or reader.HasAttributes() != 0:
68    print("test1: Error reading the end of first element")
69    sys.exit(1)
70ret = reader.Read()
71if ret != 0:
72    print("test1: Error reading to end of document")
73    sys.exit(1)
74
75#
76# example from the XmlTextReader docs
77#
78f = str_io("""<test xmlns:dt="urn:datatypes" dt:type="int"/>""")
79input = libxml2.inputBuffer(f)
80reader = input.newTextReader("test2")
81
82ret = reader.Read()
83if ret != 1:
84    print("Error reading test element")
85    sys.exit(1)
86if reader.GetAttributeNo(0) != "urn:datatypes" or \
87   reader.GetAttributeNo(1) != "int" or \
88   reader.GetAttributeNs("type", "urn:datatypes") != "int" or \
89   reader.GetAttribute("dt:type") != "int":
90    print("error reading test attributes")
91    sys.exit(1)
92
93#
94# example from the XmlTextReader docs
95#
96f = str_io("""<root xmlns:a="urn:456">
97<item>
98<ref href="a:b"/>
99</item>
100</root>""")
101input = libxml2.inputBuffer(f)
102reader = input.newTextReader("test3")
103
104ret = reader.Read()
105while ret == 1:
106    if reader.Name() == "ref":
107        if reader.LookupNamespace("a") != "urn:456":
108            print("error resolving namespace prefix")
109            sys.exit(1)
110        break
111    ret = reader.Read()
112if ret != 1:
113    print("Error finding the ref element")
114    sys.exit(1)
115
116#
117# Home made example for the various attribute access functions
118#
119f = str_io("""<testattr xmlns="urn:1" xmlns:a="urn:2" b="b" a:b="a:b"/>""")
120input = libxml2.inputBuffer(f)
121reader = input.newTextReader("test4")
122ret = reader.Read()
123if ret != 1:
124    print("Error reading the testattr element")
125    sys.exit(1)
126#
127# Attribute exploration by index
128#
129if reader.MoveToAttributeNo(0) != 1:
130    print("Failed moveToAttribute(0)")
131    sys.exit(1)
132if reader.Value() != "urn:1":
133    print("Failed to read attribute(0)")
134    sys.exit(1)
135if reader.Name() != "xmlns":
136    print("Failed to read attribute(0) name")
137    sys.exit(1)
138if reader.MoveToAttributeNo(1) != 1:
139    print("Failed moveToAttribute(1)")
140    sys.exit(1)
141if reader.Value() != "urn:2":
142    print("Failed to read attribute(1)")
143    sys.exit(1)
144if reader.Name() != "xmlns:a":
145    print("Failed to read attribute(1) name")
146    sys.exit(1)
147if reader.MoveToAttributeNo(2) != 1:
148    print("Failed moveToAttribute(2)")
149    sys.exit(1)
150if reader.Value() != "b":
151    print("Failed to read attribute(2)")
152    sys.exit(1)
153if reader.Name() != "b":
154    print("Failed to read attribute(2) name")
155    sys.exit(1)
156if reader.MoveToAttributeNo(3) != 1:
157    print("Failed moveToAttribute(3)")
158    sys.exit(1)
159if reader.Value() != "a:b":
160    print("Failed to read attribute(3)")
161    sys.exit(1)
162if reader.Name() != "a:b":
163    print("Failed to read attribute(3) name")
164    sys.exit(1)
165#
166# Attribute exploration by name
167#
168if reader.MoveToAttribute("xmlns") != 1:
169    print("Failed moveToAttribute('xmlns')")
170    sys.exit(1)
171if reader.Value() != "urn:1":
172    print("Failed to read attribute('xmlns')")
173    sys.exit(1)
174if reader.MoveToAttribute("xmlns:a") != 1:
175    print("Failed moveToAttribute('xmlns')")
176    sys.exit(1)
177if reader.Value() != "urn:2":
178    print("Failed to read attribute('xmlns:a')")
179    sys.exit(1)
180if reader.MoveToAttribute("b") != 1:
181    print("Failed moveToAttribute('b')")
182    sys.exit(1)
183if reader.Value() != "b":
184    print("Failed to read attribute('b')")
185    sys.exit(1)
186if reader.MoveToAttribute("a:b") != 1:
187    print("Failed moveToAttribute('a:b')")
188    sys.exit(1)
189if reader.Value() != "a:b":
190    print("Failed to read attribute('a:b')")
191    sys.exit(1)
192if reader.MoveToAttributeNs("b", "urn:2") != 1:
193    print("Failed moveToAttribute('b', 'urn:2')")
194    sys.exit(1)
195if reader.Value() != "a:b":
196    print("Failed to read attribute('b', 'urn:2')")
197    sys.exit(1)
198#
199# Go back and read in sequence
200#
201if reader.MoveToElement() != 1:
202    print("Failed to move back to element")
203    sys.exit(1)
204if reader.MoveToFirstAttribute() != 1:
205    print("Failed to move to first attribute")
206    sys.exit(1)
207if reader.Value() != "urn:1":
208    print("Failed to read attribute(0)")
209    sys.exit(1)
210if reader.Name() != "xmlns":
211    print("Failed to read attribute(0) name")
212    sys.exit(1)
213if reader.MoveToNextAttribute() != 1:
214    print("Failed to move to next attribute")
215    sys.exit(1)
216if reader.Value() != "urn:2":
217    print("Failed to read attribute(1)")
218    sys.exit(1)
219if reader.Name() != "xmlns:a":
220    print("Failed to read attribute(1) name")
221    sys.exit(1)
222if reader.MoveToNextAttribute() != 1:
223    print("Failed to move to next attribute")
224    sys.exit(1)
225if reader.Value() != "b":
226    print("Failed to read attribute(2)")
227    sys.exit(1)
228if reader.Name() != "b":
229    print("Failed to read attribute(2) name")
230    sys.exit(1)
231if reader.MoveToNextAttribute() != 1:
232    print("Failed to move to next attribute")
233    sys.exit(1)
234if reader.Value() != "a:b":
235    print("Failed to read attribute(3)")
236    sys.exit(1)
237if reader.Name() != "a:b":
238    print("Failed to read attribute(3) name")
239    sys.exit(1)
240if reader.MoveToNextAttribute() != 0:
241    print("Failed to detect last attribute")
242    sys.exit(1)
243
244
245#
246# a couple of tests for namespace nodes
247#
248f = str_io("""<a xmlns="http://example.com/foo"/>""")
249input = libxml2.inputBuffer(f)
250reader = input.newTextReader("test6")
251ret = reader.Read()
252if ret != 1:
253    print("test6: failed to Read()")
254    sys.exit(1)
255ret = reader.MoveToFirstAttribute()
256if ret != 1:
257    print("test6: failed to MoveToFirstAttribute()")
258    sys.exit(1)
259if reader.NamespaceUri() != "http://www.w3.org/2000/xmlns/" or \
260   reader.LocalName() != "xmlns" or reader.Name() != "xmlns" or \
261   reader.Value() != "http://example.com/foo" or reader.NodeType() != 2:
262    print("test6: failed to read the namespace node")
263    sys.exit(1)
264
265f = str_io("""<a xmlns:prefix="http://example.com/foo"/>""")
266input = libxml2.inputBuffer(f)
267reader = input.newTextReader("test7")
268ret = reader.Read()
269if ret != 1:
270    print("test7: failed to Read()")
271    sys.exit(1)
272ret = reader.MoveToFirstAttribute()
273if ret != 1:
274    print("test7: failed to MoveToFirstAttribute()")
275    sys.exit(1)
276if reader.NamespaceUri() != "http://www.w3.org/2000/xmlns/" or \
277   reader.LocalName() != "prefix" or reader.Name() != "xmlns:prefix" or \
278   reader.Value() != "http://example.com/foo" or reader.NodeType() != 2:
279    print("test7: failed to read the namespace node")
280    sys.exit(1)
281
282#
283# Test for a limit case:
284#
285f = str_io("""<a/>""")
286input = libxml2.inputBuffer(f)
287reader = input.newTextReader("test8")
288ret = reader.Read()
289if ret != 1:
290    print("test8: failed to read the node")
291    sys.exit(1)
292if reader.Name() != "a" or reader.IsEmptyElement() != 1:
293    print("test8: failed to analyze the node")
294    sys.exit(1)
295ret = reader.Read()
296if ret != 0:
297    print("test8: failed to detect the EOF")
298    sys.exit(1)
299
300#
301# Another test provided by St�phane Bidoul and checked with C#
302#
303def tst_reader(s):
304    f = str_io(s)
305    input = libxml2.inputBuffer(f)
306    reader = input.newTextReader("tst")
307    res = ""
308    while reader.Read():
309        res=res + "%s (%s) [%s] %d %d\n" % (reader.NodeType(),reader.Name(),
310                                      reader.Value(), reader.IsEmptyElement(),
311                                      reader.Depth())
312        if reader.NodeType() == 1: # Element
313            while reader.MoveToNextAttribute():
314                res = res + "-- %s (%s) [%s] %d %d\n" % (reader.NodeType(),
315                                       reader.Name(),reader.Value(),
316                                       reader.IsEmptyElement(), reader.Depth())
317    return res
318
319doc="""<a><b b1="b1"/><c>content of c</c></a>"""
320expect="""1 (a) [None] 0 0
3211 (b) [None] 1 1
322-- 2 (b1) [b1] 0 2
3231 (c) [None] 0 1
3243 (#text) [content of c] 0 2
32515 (c) [None] 0 1
32615 (a) [None] 0 0
327"""
328res = tst_reader(doc)
329if res != expect:
330    print("test5 failed")
331    print(res)
332    sys.exit(1)
333
334doc="""<test><b/><c/></test>"""
335expect="""1 (test) [None] 0 0
3361 (b) [None] 1 1
3371 (c) [None] 1 1
33815 (test) [None] 0 0
339"""
340res = tst_reader(doc)
341if res != expect:
342    print("test9 failed")
343    print(res)
344    sys.exit(1)
345
346doc="""<a><b>bbb</b><c>ccc</c></a>"""
347expect="""1 (a) [None] 0 0
3481 (b) [None] 0 1
3493 (#text) [bbb] 0 2
35015 (b) [None] 0 1
3511 (c) [None] 0 1
3523 (#text) [ccc] 0 2
35315 (c) [None] 0 1
35415 (a) [None] 0 0
355"""
356res = tst_reader(doc)
357if res != expect:
358    print("test10 failed")
359    print(res)
360    sys.exit(1)
361
362doc="""<test a="a"/>"""
363expect="""1 (test) [None] 1 0
364-- 2 (a) [a] 0 1
365"""
366res = tst_reader(doc)
367if res != expect:
368    print("test11 failed")
369    print(res)
370    sys.exit(1)
371
372doc="""<test><a>aaa</a><b/></test>"""
373expect="""1 (test) [None] 0 0
3741 (a) [None] 0 1
3753 (#text) [aaa] 0 2
37615 (a) [None] 0 1
3771 (b) [None] 1 1
37815 (test) [None] 0 0
379"""
380res = tst_reader(doc)
381if res != expect:
382    print("test12 failed")
383    print(res)
384    sys.exit(1)
385
386doc="""<test><p></p></test>"""
387expect="""1 (test) [None] 0 0
3881 (p) [None] 0 1
38915 (p) [None] 0 1
39015 (test) [None] 0 0
391"""
392res = tst_reader(doc)
393if res != expect:
394    print("test13 failed")
395    print(res)
396    sys.exit(1)
397
398doc="""<p></p>"""
399expect="""1 (p) [None] 0 0
40015 (p) [None] 0 0
401"""
402res = tst_reader(doc)
403if res != expect:
404    print("test14 failed")
405    print(res)
406    sys.exit(1)
407
408#
409# test from bug #108801
410#
411doc="""<?xml version="1.0" standalone="no"?>
412<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
413                  "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" [
414]>
415
416<article>
417xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
418</article>
419"""
420expect="""10 (article) [None] 0 0
4211 (article) [None] 0 0
4223 (#text) [
423xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
424] 0 1
42515 (article) [None] 0 0
426"""
427res = tst_reader(doc)
428if res != expect:
429    print("test15 failed")
430    print(res)
431    sys.exit(1)
432
433#
434# cleanup for memory allocation counting
435#
436del f
437del input
438del reader
439
440# Memory debug specific
441libxml2.cleanupParser()
442if libxml2.debugMemory(1) == 0:
443    print("OK")
444else:
445    print("Memory leak %d bytes" % (libxml2.debugMemory(1)))
446    libxml2.dumpMemory()
447