Annotation of embedaddon/libxml2/python/tests/reader.py, revision 1.1.1.2
1.1 misho 1: #!/usr/bin/python -u
2: # -*- coding: ISO-8859-1 -*-
3: #
4: # this tests the basic APIs of the XmlTextReader interface
5: #
6: import libxml2
7: import sys
1.1.1.2 ! misho 8: try:
! 9: import StringIO
! 10: str_io = StringIO.StringIO
! 11: except:
! 12: import io
! 13: str_io = io.StringIO
1.1 misho 14:
15: # Memory debug specific
16: libxml2.debugMemory(1)
17:
1.1.1.2 ! misho 18: f = str_io("""<a><b b1="b1"/><c>content of c</c></a>""")
1.1 misho 19: input = libxml2.inputBuffer(f)
20: reader = input.newTextReader("test1")
21: ret = reader.Read()
22: if ret != 1:
1.1.1.2 ! misho 23: print("test1: Error reading to first element")
1.1 misho 24: sys.exit(1)
25: if reader.Name() != "a" or reader.IsEmptyElement() != 0 or \
26: reader.NodeType() != 1 or reader.HasAttributes() != 0:
1.1.1.2 ! misho 27: print("test1: Error reading the first element")
1.1 misho 28: sys.exit(1)
29: ret = reader.Read()
30: if ret != 1:
1.1.1.2 ! misho 31: print("test1: Error reading to second element")
1.1 misho 32: sys.exit(1)
33: if reader.Name() != "b" or reader.IsEmptyElement() != 1 or \
34: reader.NodeType() != 1 or reader.HasAttributes() != 1:
1.1.1.2 ! misho 35: print("test1: Error reading the second element")
1.1 misho 36: sys.exit(1)
37: ret = reader.Read()
38: if ret != 1:
1.1.1.2 ! misho 39: print("test1: Error reading to third element")
1.1 misho 40: sys.exit(1)
41: if reader.Name() != "c" or reader.IsEmptyElement() != 0 or \
42: reader.NodeType() != 1 or reader.HasAttributes() != 0:
1.1.1.2 ! misho 43: print("test1: Error reading the third element")
1.1 misho 44: sys.exit(1)
45: ret = reader.Read()
46: if ret != 1:
1.1.1.2 ! misho 47: print("test1: Error reading to text node")
1.1 misho 48: sys.exit(1)
49: if reader.Name() != "#text" or reader.IsEmptyElement() != 0 or \
50: reader.NodeType() != 3 or reader.HasAttributes() != 0 or \
51: reader.Value() != "content of c":
1.1.1.2 ! misho 52: print("test1: Error reading the text node")
1.1 misho 53: sys.exit(1)
54: ret = reader.Read()
55: if ret != 1:
1.1.1.2 ! misho 56: print("test1: Error reading to end of third element")
1.1 misho 57: sys.exit(1)
58: if reader.Name() != "c" or reader.IsEmptyElement() != 0 or \
59: reader.NodeType() != 15 or reader.HasAttributes() != 0:
1.1.1.2 ! misho 60: print("test1: Error reading the end of third element")
1.1 misho 61: sys.exit(1)
62: ret = reader.Read()
63: if ret != 1:
1.1.1.2 ! misho 64: print("test1: Error reading to end of first element")
1.1 misho 65: sys.exit(1)
66: if reader.Name() != "a" or reader.IsEmptyElement() != 0 or \
67: reader.NodeType() != 15 or reader.HasAttributes() != 0:
1.1.1.2 ! misho 68: print("test1: Error reading the end of first element")
1.1 misho 69: sys.exit(1)
70: ret = reader.Read()
71: if ret != 0:
1.1.1.2 ! misho 72: print("test1: Error reading to end of document")
1.1 misho 73: sys.exit(1)
74:
75: #
76: # example from the XmlTextReader docs
77: #
1.1.1.2 ! misho 78: f = str_io("""<test xmlns:dt="urn:datatypes" dt:type="int"/>""")
1.1 misho 79: input = libxml2.inputBuffer(f)
80: reader = input.newTextReader("test2")
81:
82: ret = reader.Read()
83: if ret != 1:
1.1.1.2 ! misho 84: print("Error reading test element")
1.1 misho 85: sys.exit(1)
86: if 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":
1.1.1.2 ! misho 90: print("error reading test attributes")
1.1 misho 91: sys.exit(1)
92:
93: #
94: # example from the XmlTextReader docs
95: #
1.1.1.2 ! misho 96: f = str_io("""<root xmlns:a="urn:456">
1.1 misho 97: <item>
98: <ref href="a:b"/>
99: </item>
100: </root>""")
101: input = libxml2.inputBuffer(f)
102: reader = input.newTextReader("test3")
103:
104: ret = reader.Read()
105: while ret == 1:
106: if reader.Name() == "ref":
107: if reader.LookupNamespace("a") != "urn:456":
1.1.1.2 ! misho 108: print("error resolving namespace prefix")
1.1 misho 109: sys.exit(1)
110: break
111: ret = reader.Read()
112: if ret != 1:
1.1.1.2 ! misho 113: print("Error finding the ref element")
1.1 misho 114: sys.exit(1)
115:
116: #
117: # Home made example for the various attribute access functions
118: #
1.1.1.2 ! misho 119: f = str_io("""<testattr xmlns="urn:1" xmlns:a="urn:2" b="b" a:b="a:b"/>""")
1.1 misho 120: input = libxml2.inputBuffer(f)
121: reader = input.newTextReader("test4")
122: ret = reader.Read()
123: if ret != 1:
1.1.1.2 ! misho 124: print("Error reading the testattr element")
1.1 misho 125: sys.exit(1)
126: #
127: # Attribute exploration by index
128: #
129: if reader.MoveToAttributeNo(0) != 1:
1.1.1.2 ! misho 130: print("Failed moveToAttribute(0)")
1.1 misho 131: sys.exit(1)
132: if reader.Value() != "urn:1":
1.1.1.2 ! misho 133: print("Failed to read attribute(0)")
1.1 misho 134: sys.exit(1)
135: if reader.Name() != "xmlns":
1.1.1.2 ! misho 136: print("Failed to read attribute(0) name")
1.1 misho 137: sys.exit(1)
138: if reader.MoveToAttributeNo(1) != 1:
1.1.1.2 ! misho 139: print("Failed moveToAttribute(1)")
1.1 misho 140: sys.exit(1)
141: if reader.Value() != "urn:2":
1.1.1.2 ! misho 142: print("Failed to read attribute(1)")
1.1 misho 143: sys.exit(1)
144: if reader.Name() != "xmlns:a":
1.1.1.2 ! misho 145: print("Failed to read attribute(1) name")
1.1 misho 146: sys.exit(1)
147: if reader.MoveToAttributeNo(2) != 1:
1.1.1.2 ! misho 148: print("Failed moveToAttribute(2)")
1.1 misho 149: sys.exit(1)
150: if reader.Value() != "b":
1.1.1.2 ! misho 151: print("Failed to read attribute(2)")
1.1 misho 152: sys.exit(1)
153: if reader.Name() != "b":
1.1.1.2 ! misho 154: print("Failed to read attribute(2) name")
1.1 misho 155: sys.exit(1)
156: if reader.MoveToAttributeNo(3) != 1:
1.1.1.2 ! misho 157: print("Failed moveToAttribute(3)")
1.1 misho 158: sys.exit(1)
159: if reader.Value() != "a:b":
1.1.1.2 ! misho 160: print("Failed to read attribute(3)")
1.1 misho 161: sys.exit(1)
162: if reader.Name() != "a:b":
1.1.1.2 ! misho 163: print("Failed to read attribute(3) name")
1.1 misho 164: sys.exit(1)
165: #
166: # Attribute exploration by name
167: #
168: if reader.MoveToAttribute("xmlns") != 1:
1.1.1.2 ! misho 169: print("Failed moveToAttribute('xmlns')")
1.1 misho 170: sys.exit(1)
171: if reader.Value() != "urn:1":
1.1.1.2 ! misho 172: print("Failed to read attribute('xmlns')")
1.1 misho 173: sys.exit(1)
174: if reader.MoveToAttribute("xmlns:a") != 1:
1.1.1.2 ! misho 175: print("Failed moveToAttribute('xmlns')")
1.1 misho 176: sys.exit(1)
177: if reader.Value() != "urn:2":
1.1.1.2 ! misho 178: print("Failed to read attribute('xmlns:a')")
1.1 misho 179: sys.exit(1)
180: if reader.MoveToAttribute("b") != 1:
1.1.1.2 ! misho 181: print("Failed moveToAttribute('b')")
1.1 misho 182: sys.exit(1)
183: if reader.Value() != "b":
1.1.1.2 ! misho 184: print("Failed to read attribute('b')")
1.1 misho 185: sys.exit(1)
186: if reader.MoveToAttribute("a:b") != 1:
1.1.1.2 ! misho 187: print("Failed moveToAttribute('a:b')")
1.1 misho 188: sys.exit(1)
189: if reader.Value() != "a:b":
1.1.1.2 ! misho 190: print("Failed to read attribute('a:b')")
1.1 misho 191: sys.exit(1)
192: if reader.MoveToAttributeNs("b", "urn:2") != 1:
1.1.1.2 ! misho 193: print("Failed moveToAttribute('b', 'urn:2')")
1.1 misho 194: sys.exit(1)
195: if reader.Value() != "a:b":
1.1.1.2 ! misho 196: print("Failed to read attribute('b', 'urn:2')")
1.1 misho 197: sys.exit(1)
198: #
199: # Go back and read in sequence
200: #
201: if reader.MoveToElement() != 1:
1.1.1.2 ! misho 202: print("Failed to move back to element")
1.1 misho 203: sys.exit(1)
204: if reader.MoveToFirstAttribute() != 1:
1.1.1.2 ! misho 205: print("Failed to move to first attribute")
1.1 misho 206: sys.exit(1)
207: if reader.Value() != "urn:1":
1.1.1.2 ! misho 208: print("Failed to read attribute(0)")
1.1 misho 209: sys.exit(1)
210: if reader.Name() != "xmlns":
1.1.1.2 ! misho 211: print("Failed to read attribute(0) name")
1.1 misho 212: sys.exit(1)
213: if reader.MoveToNextAttribute() != 1:
1.1.1.2 ! misho 214: print("Failed to move to next attribute")
1.1 misho 215: sys.exit(1)
216: if reader.Value() != "urn:2":
1.1.1.2 ! misho 217: print("Failed to read attribute(1)")
1.1 misho 218: sys.exit(1)
219: if reader.Name() != "xmlns:a":
1.1.1.2 ! misho 220: print("Failed to read attribute(1) name")
1.1 misho 221: sys.exit(1)
222: if reader.MoveToNextAttribute() != 1:
1.1.1.2 ! misho 223: print("Failed to move to next attribute")
1.1 misho 224: sys.exit(1)
225: if reader.Value() != "b":
1.1.1.2 ! misho 226: print("Failed to read attribute(2)")
1.1 misho 227: sys.exit(1)
228: if reader.Name() != "b":
1.1.1.2 ! misho 229: print("Failed to read attribute(2) name")
1.1 misho 230: sys.exit(1)
231: if reader.MoveToNextAttribute() != 1:
1.1.1.2 ! misho 232: print("Failed to move to next attribute")
1.1 misho 233: sys.exit(1)
234: if reader.Value() != "a:b":
1.1.1.2 ! misho 235: print("Failed to read attribute(3)")
1.1 misho 236: sys.exit(1)
237: if reader.Name() != "a:b":
1.1.1.2 ! misho 238: print("Failed to read attribute(3) name")
1.1 misho 239: sys.exit(1)
240: if reader.MoveToNextAttribute() != 0:
1.1.1.2 ! misho 241: print("Failed to detect last attribute")
1.1 misho 242: sys.exit(1)
243:
244:
245: #
246: # a couple of tests for namespace nodes
247: #
1.1.1.2 ! misho 248: f = str_io("""<a xmlns="http://example.com/foo"/>""")
1.1 misho 249: input = libxml2.inputBuffer(f)
250: reader = input.newTextReader("test6")
251: ret = reader.Read()
252: if ret != 1:
1.1.1.2 ! misho 253: print("test6: failed to Read()")
1.1 misho 254: sys.exit(1)
255: ret = reader.MoveToFirstAttribute()
256: if ret != 1:
1.1.1.2 ! misho 257: print("test6: failed to MoveToFirstAttribute()")
1.1 misho 258: sys.exit(1)
259: if 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:
1.1.1.2 ! misho 262: print("test6: failed to read the namespace node")
1.1 misho 263: sys.exit(1)
264:
1.1.1.2 ! misho 265: f = str_io("""<a xmlns:prefix="http://example.com/foo"/>""")
1.1 misho 266: input = libxml2.inputBuffer(f)
267: reader = input.newTextReader("test7")
268: ret = reader.Read()
269: if ret != 1:
1.1.1.2 ! misho 270: print("test7: failed to Read()")
1.1 misho 271: sys.exit(1)
272: ret = reader.MoveToFirstAttribute()
273: if ret != 1:
1.1.1.2 ! misho 274: print("test7: failed to MoveToFirstAttribute()")
1.1 misho 275: sys.exit(1)
276: if 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:
1.1.1.2 ! misho 279: print("test7: failed to read the namespace node")
1.1 misho 280: sys.exit(1)
281:
282: #
283: # Test for a limit case:
284: #
1.1.1.2 ! misho 285: f = str_io("""<a/>""")
1.1 misho 286: input = libxml2.inputBuffer(f)
287: reader = input.newTextReader("test8")
288: ret = reader.Read()
289: if ret != 1:
1.1.1.2 ! misho 290: print("test8: failed to read the node")
1.1 misho 291: sys.exit(1)
292: if reader.Name() != "a" or reader.IsEmptyElement() != 1:
1.1.1.2 ! misho 293: print("test8: failed to analyze the node")
1.1 misho 294: sys.exit(1)
295: ret = reader.Read()
296: if ret != 0:
1.1.1.2 ! misho 297: print("test8: failed to detect the EOF")
1.1 misho 298: sys.exit(1)
299:
300: #
301: # Another test provided by Stéphane Bidoul and checked with C#
302: #
303: def tst_reader(s):
1.1.1.2 ! misho 304: f = str_io(s)
1.1 misho 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:
319: doc="""<a><b b1="b1"/><c>content of c</c></a>"""
320: expect="""1 (a) [None] 0 0
321: 1 (b) [None] 1 1
322: -- 2 (b1) [b1] 0 2
323: 1 (c) [None] 0 1
324: 3 (#text) [content of c] 0 2
325: 15 (c) [None] 0 1
326: 15 (a) [None] 0 0
327: """
328: res = tst_reader(doc)
329: if res != expect:
1.1.1.2 ! misho 330: print("test5 failed")
! 331: print(res)
1.1 misho 332: sys.exit(1)
333:
334: doc="""<test><b/><c/></test>"""
335: expect="""1 (test) [None] 0 0
336: 1 (b) [None] 1 1
337: 1 (c) [None] 1 1
338: 15 (test) [None] 0 0
339: """
340: res = tst_reader(doc)
341: if res != expect:
1.1.1.2 ! misho 342: print("test9 failed")
! 343: print(res)
1.1 misho 344: sys.exit(1)
345:
346: doc="""<a><b>bbb</b><c>ccc</c></a>"""
347: expect="""1 (a) [None] 0 0
348: 1 (b) [None] 0 1
349: 3 (#text) [bbb] 0 2
350: 15 (b) [None] 0 1
351: 1 (c) [None] 0 1
352: 3 (#text) [ccc] 0 2
353: 15 (c) [None] 0 1
354: 15 (a) [None] 0 0
355: """
356: res = tst_reader(doc)
357: if res != expect:
1.1.1.2 ! misho 358: print("test10 failed")
! 359: print(res)
1.1 misho 360: sys.exit(1)
361:
362: doc="""<test a="a"/>"""
363: expect="""1 (test) [None] 1 0
364: -- 2 (a) [a] 0 1
365: """
366: res = tst_reader(doc)
367: if res != expect:
1.1.1.2 ! misho 368: print("test11 failed")
! 369: print(res)
1.1 misho 370: sys.exit(1)
371:
372: doc="""<test><a>aaa</a><b/></test>"""
373: expect="""1 (test) [None] 0 0
374: 1 (a) [None] 0 1
375: 3 (#text) [aaa] 0 2
376: 15 (a) [None] 0 1
377: 1 (b) [None] 1 1
378: 15 (test) [None] 0 0
379: """
380: res = tst_reader(doc)
381: if res != expect:
1.1.1.2 ! misho 382: print("test12 failed")
! 383: print(res)
1.1 misho 384: sys.exit(1)
385:
386: doc="""<test><p></p></test>"""
387: expect="""1 (test) [None] 0 0
388: 1 (p) [None] 0 1
389: 15 (p) [None] 0 1
390: 15 (test) [None] 0 0
391: """
392: res = tst_reader(doc)
393: if res != expect:
1.1.1.2 ! misho 394: print("test13 failed")
! 395: print(res)
1.1 misho 396: sys.exit(1)
397:
398: doc="""<p></p>"""
399: expect="""1 (p) [None] 0 0
400: 15 (p) [None] 0 0
401: """
402: res = tst_reader(doc)
403: if res != expect:
1.1.1.2 ! misho 404: print("test14 failed")
! 405: print(res)
1.1 misho 406: sys.exit(1)
407:
408: #
409: # test from bug #108801
410: #
411: doc="""<?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>
417: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
418: </article>
419: """
420: expect="""10 (article) [None] 0 0
421: 1 (article) [None] 0 0
422: 3 (#text) [
423: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
424: ] 0 1
425: 15 (article) [None] 0 0
426: """
427: res = tst_reader(doc)
428: if res != expect:
1.1.1.2 ! misho 429: print("test15 failed")
! 430: print(res)
1.1 misho 431: sys.exit(1)
432:
433: #
434: # cleanup for memory allocation counting
435: #
436: del f
437: del input
438: del reader
439:
440: # Memory debug specific
441: libxml2.cleanupParser()
442: if libxml2.debugMemory(1) == 0:
1.1.1.2 ! misho 443: print("OK")
1.1 misho 444: else:
1.1.1.2 ! misho 445: print("Memory leak %d bytes" % (libxml2.debugMemory(1)))
1.1 misho 446: libxml2.dumpMemory()
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