reader.py@ 100697

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1	# -- coding: utf-8 --
2	# $Id: reader.py 98103 2023-01-17 14:15:46Z vboxsync $
3
4	"""
5	XML reader module.
6
7	This produces a test result tree that can be processed and passed to
8	reporting.
9	"""
10
11	__copyright__ = \
12	"""
13	Copyright (C) 2010-2023 Oracle and/or its affiliates.
14
15	This file is part of VirtualBox base platform packages, as
16	available from https://www.virtualbox.org.
17
18	This program is free software; you can redistribute it and/or
19	modify it under the terms of the GNU General Public License
20	as published by the Free Software Foundation, in version 3 of the
21	License.
22
23	This program is distributed in the hope that it will be useful, but
24	WITHOUT ANY WARRANTY; without even the implied warranty of
25	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26	General Public License for more details.
27
28	You should have received a copy of the GNU General Public License
29	along with this program; if not, see <https://www.gnu.org/licenses>.
30
31	The contents of this file may alternatively be used under the terms
32	of the Common Development and Distribution License Version 1.0
33	(CDDL), a copy of it is provided in the "COPYING.CDDL" file included
34	in the VirtualBox distribution, in which case the provisions of the
35	CDDL are applicable instead of those of the GPL.
36
37	You may elect to license modified versions of this file under the
38	terms and conditions of either the GPL or the CDDL or both.
39
40	SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
41	"""
42	__version__ = "$Revision: 98103 $"
43	__all__ = [ 'parseTestResult', ]
44
45	# Standard python imports.
46	import datetime;
47	import os;
48	import re;
49	import sys;
50	import traceback;
51
52	# Only the main script needs to modify the path.
53	try: __file__;
54	except: __file__ = sys.argv[0];
55	g_ksValidationKitDir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)));
56	sys.path.append(g_ksValidationKitDir);
57
58	# ValidationKit imports.
59	from common import utils;
60
61	# Python 3 hacks:
62	if sys.version_info[0] >= 3:
63	long = int; # pylint: disable=redefined-builtin,invalid-name
64
65	# pylint: disable=missing-docstring
66
67
68	class Value(object):
69	"""
70	Represents a value. Usually this is benchmark result or parameter.
71	"""
72
73	kdBestByUnit = {
74	"%": +1, # Difficult to say what's best really.
75	"bytes": +1, # Difficult to say what's best really.
76	"bytes/s": +2,
77	"KB": +1,
78	"KB/s": +2,
79	"MB": +1,
80	"MB/s": +2,
81	"packets": +2,
82	"packets/s": +2,
83	"frames": +2,
84	"frames/s": +2,
85	"occurrences": +1, # Difficult to say what's best really.
86	"occurrences/s": +2,
87	"roundtrips": +2,
88	"calls": +1, # Difficult to say what's best really.
89	"calls/s": +2,
90	"s": -2,
91	"ms": -2,
92	"ns": -2,
93	"ns/call": -2,
94	"ns/frame": -2,
95	"ns/occurrence": -2,
96	"ns/packet": -2,
97	"ns/roundtrip": -2,
98	"ins": +2,
99	"ins/sec": +2,
100	"": +1, # Difficult to say what's best really.
101	"pp1k": -2,
102	"pp10k": -2,
103	"ppm": -2,
104	"ppb": -2,
105	"ticks": -1, # Difficult to say what's best really.
106	"ticks/call": -2,
107	"ticks/occ": -2,
108	"pages": +1, # Difficult to say what's best really.
109	"pages/s": +2,
110	"ticks/page": -2,
111	"ns/page": -2,
112	"ps": -1, # Difficult to say what's best really.
113	"ps/call": -2,
114	"ps/frame": -2,
115	"ps/occurrence": -2,
116	"ps/packet": -2,
117	"ps/roundtrip": -2,
118	"ps/page": -2,
119	};
120
121	def __init__(self, oTest, sName = None, sUnit = None, sTimestamp = None, lValue = None):
122	self.oTest = oTest;
123	self.sName = sName;
124	self.sUnit = sUnit;
125	self.sTimestamp = sTimestamp;
126	self.lValue = self.valueToInteger(lValue);
127	assert self.lValue is None or isinstance(self.lValue, (int, long)), "lValue=%s %s" % (self.lValue, type(self.lValue),);
128
129	def clone(self, oParentTest):
130	"""
131	Clones the value.
132	"""
133	return Value(oParentTest, self.sName, self.sUnit, self.sTimestamp, self.lValue);
134
135	def matchFilters(self, sPrefix, aoFilters):
136	"""
137	Checks for any substring match between aoFilters (str or re.Pattern)
138	and the value name prefixed by sPrefix.
139
140	Returns True if any of the filters matches.
141	Returns False if none of the filters matches.
142	"""
143	sFullName = sPrefix + self.sName;
144	for oFilter in aoFilters:
145	if oFilter.search(sFullName) is not None if isinstance(oFilter, re.Pattern) else sFullName.find(oFilter) >= 0:
146	return True;
147	return False;
148
149	def canDoBetterCompare(self):
150	"""
151	Checks whether we can do a confident better-than comparsion of the value.
152	"""
153	return self.sUnit is not None and self.kdBestByUnit[self.sUnit] not in (-1, 0, 1);
154
155	def getBetterRelation(self):
156	"""
157	Returns +2 if larger values are definintely better.
158	Returns +1 if larger values are likely to be better.
159	Returns 0 if we have no clue.
160	Returns -1 if smaller values are likey to better.
161	Returns -2 if smaller values are definitely better.
162	"""
163	if self.sUnit is None:
164	return 0;
165	return self.kdBestByUnit[self.sUnit];
166
167	@staticmethod
168	def valueToInteger(sValue):
169	"""
170	Returns integer (long) represention of lValue.
171	Returns None if it cannot be converted to integer.
172
173	Raises an exception if sValue isn't an integer.
174	"""
175	if sValue is None or isinstance(sValue, (int, long)):
176	return sValue;
177	sValue = sValue.strip();
178	if not sValue:
179	return None;
180	return long(sValue);
181
182	# Manipluation
183
184	def distill(self, aoValues, sMethod):
185	"""
186	Distills the value of the object from values from multiple test runs.
187	"""
188	if not aoValues:
189	return self;
190
191	# Everything except the value comes from the first run.
192	self.sName = aoValues[0].sName;
193	self.sTimestamp = aoValues[0].sTimestamp;
194	self.sUnit = aoValues[0].sUnit;
195
196	# Find the value to use according to sMethod.
197	if len(aoValues) == 1:
198	self.lValue = aoValues[0].lValue;
199	else:
200	alValuesXcptInvalid = [oValue.lValue for oValue in aoValues if oValue.lValue is not None];
201	if not alValuesXcptInvalid:
202	# No integer result, so just pick the first value whatever it is.
203	self.lValue = aoValues[0].lValue;
204
205	elif sMethod == 'best':
206	# Pick the best result out of the whole bunch.
207	if self.kdBestByUnit[self.sUnit] >= 0:
208	self.lValue = max(alValuesXcptInvalid);
209	else:
210	self.lValue = min(alValuesXcptInvalid);
211
212	elif sMethod == 'avg':
213	# Calculate the average.
214	self.lValue = (sum(alValuesXcptInvalid) + len(alValuesXcptInvalid) // 2) // len(alValuesXcptInvalid);
215
216	else:
217	assert False;
218	self.lValue = aoValues[0].lValue;
219
220	return self;
221
222
223	# debug
224
225	def printValue(self, cIndent):
226	print('%sValue: name=%s timestamp=%s unit=%s value=%s'
227	% (''.ljust(cIndent*2), self.sName, self.sTimestamp, self.sUnit, self.lValue));
228
229
230	class Test(object):
231	"""
232	Nested test result.
233	"""
234	def __init__(self, oParent = None, hsAttrs = None):
235	self.aoChildren = [] # type: list(Test)
236	self.aoValues = [];
237	self.oParent = oParent;
238	self.sName = hsAttrs['name'] if hsAttrs else None;
239	self.sStartTS = hsAttrs['timestamp'] if hsAttrs else None;
240	self.sEndTS = None;
241	self.sStatus = None;
242	self.cErrors = -1;
243
244	def clone(self, oParent = None):
245	"""
246	Returns a deep copy.
247	"""
248	oClone = Test(oParent, {'name': self.sName, 'timestamp': self.sStartTS});
249
250	for oChild in self.aoChildren:
251	oClone.aoChildren.append(oChild.clone(oClone));
252
253	for oValue in self.aoValues:
254	oClone.aoValues.append(oValue.clone(oClone));
255
256	oClone.sEndTS = self.sEndTS;
257	oClone.sStatus = self.sStatus;
258	oClone.cErrors = self.cErrors;
259	return oClone;
260
261	# parsing
262
263	def addChild(self, oChild):
264	self.aoChildren.append(oChild);
265	return oChild;
266
267	def addValue(self, oValue):
268	self.aoValues.append(oValue);
269	return oValue;
270
271	def __markCompleted(self, sTimestamp):
272	""" Sets sEndTS if not already done. """
273	if not self.sEndTS:
274	self.sEndTS = sTimestamp;
275
276	def markPassed(self, sTimestamp):
277	self.__markCompleted(sTimestamp);
278	self.sStatus = 'passed';
279	self.cErrors = 0;
280
281	def markSkipped(self, sTimestamp):
282	self.__markCompleted(sTimestamp);
283	self.sStatus = 'skipped';
284	self.cErrors = 0;
285
286	def markFailed(self, sTimestamp, cErrors):
287	self.__markCompleted(sTimestamp);
288	self.sStatus = 'failed';
289	self.cErrors = cErrors;
290
291	def markEnd(self, sTimestamp, cErrors):
292	self.__markCompleted(sTimestamp);
293	if self.sStatus is None:
294	self.sStatus = 'failed' if cErrors != 0 else 'end';
295	self.cErrors = 0;
296
297	def mergeInIncludedTest(self, oTest):
298	""" oTest will be robbed. """
299	if oTest is not None:
300	for oChild in oTest.aoChildren:
301	oChild.oParent = self;
302	self.aoChildren.append(oChild);
303	for oValue in oTest.aoValues:
304	oValue.oTest = self;
305	self.aoValues.append(oValue);
306	oTest.aoChildren = [];
307	oTest.aoValues = [];
308
309	# debug
310
311	def printTree(self, iLevel = 0):
312	print('%sTest: name=%s start=%s end=%s' % (''.ljust(iLevel*2), self.sName, self.sStartTS, self.sEndTS));
313	for oChild in self.aoChildren:
314	oChild.printTree(iLevel + 1);
315	for oValue in self.aoValues:
316	oValue.printValue(iLevel + 1);
317
318	# getters / queries
319
320	def getFullNameWorker(self, cSkipUpper):
321	if self.oParent is None:
322	return (self.sName, 0);
323	sName, iLevel = self.oParent.getFullNameWorker(cSkipUpper);
324	if iLevel < cSkipUpper:
325	sName = self.sName;
326	else:
327	sName += ', ' + self.sName;
328	return (sName, iLevel + 1);
329
330	def getFullName(self, cSkipUpper = 2):
331	return self.getFullNameWorker(cSkipUpper)[0];
332
333	def matchFilters(self, aoFilters):
334	"""
335	Checks for any substring match between aoFilters (str or re.Pattern)
336	and the full test name.
337
338	Returns True if any of the filters matches.
339	Returns False if none of the filters matches.
340	"""
341	sFullName = self.getFullName();
342	for oFilter in aoFilters:
343	if oFilter.search(sFullName) is not None if isinstance(oFilter, re.Pattern) else sFullName.find(oFilter) >= 0:
344	return True;
345	return False;
346
347	# manipulation
348
349	def filterTestsWorker(self, asFilters, fReturnOnMatch):
350	# depth first
351	i = 0;
352	while i < len(self.aoChildren):
353	if self.aoChildren[i].filterTestsWorker(asFilters, fReturnOnMatch):
354	i += 1;
355	else:
356	self.aoChildren[i].oParent = None;
357	del self.aoChildren[i];
358
359	# If we have children, they must've matched up.
360	if self.aoChildren:
361	return True;
362	if self.matchFilters(asFilters):
363	return fReturnOnMatch;
364	return not fReturnOnMatch;
365
366	def filterTests(self, asFilters):
367	""" Keep tests matching asFilters. """
368	if asFilters:
369	self.filterTestsWorker(asFilters, True);
370	return self;
371
372	def filterOutTests(self, asFilters):
373	""" Removes tests matching asFilters. """
374	if asFilters:
375	self.filterTestsWorker(asFilters, False);
376	return self;
377
378	def filterValuesWorker(self, asFilters, fKeepWhen):
379	# Process children recursively.
380	for oChild in self.aoChildren:
381	oChild.filterValuesWorker(asFilters, fKeepWhen);
382
383	# Filter our values.
384	iValue = len(self.aoValues);
385	if iValue > 0:
386	sFullname = self.getFullName() + ': ';
387	while iValue > 0:
388	iValue -= 1;
389	if self.aoValues[iValue].matchFilters(sFullname, asFilters) != fKeepWhen:
390	del self.aoValues[iValue];
391	return None;
392
393	def filterValues(self, asFilters):
394	""" Keep values matching asFilters. """
395	if asFilters:
396	self.filterValuesWorker(asFilters, True);
397	return self;
398
399	def filterOutValues(self, asFilters):
400	""" Removes values matching asFilters. """
401	if asFilters:
402	self.filterValuesWorker(asFilters, False);
403	return self;
404
405	def filterOutEmptyLeafTests(self):
406	"""
407	Removes any child tests that has neither values nor sub-tests.
408	Returns True if leaf, False if not.
409	"""
410	iChild = len(self.aoChildren);
411	while iChild > 0:
412	iChild -= 1;
413	if self.aoChildren[iChild].filterOutEmptyLeafTests():
414	del self.aoChildren[iChild];
415	return not self.aoChildren and not self.aoValues;
416
417	@staticmethod
418	def calcDurationStatic(sStartTS, sEndTS):
419	"""
420	Returns None the start timestamp is absent or invalid.
421	Returns datetime.timedelta otherwise.
422	"""
423	if not sStartTS:
424	return None;
425	try:
426	oStart = utils.parseIsoTimestamp(sStartTS);
427	except:
428	return None;
429
430	if not sEndTS:
431	return datetime.timedelta.max;
432	try:
433	oEnd = utils.parseIsoTimestamp(sEndTS);
434	except:
435	return datetime.timedelta.max;
436
437	return oEnd - oStart;
438
439	def calcDuration(self):
440	"""
441	Returns the duration as a datetime.timedelta object or None if not available.
442	"""
443	return self.calcDurationStatic(self.sStartTS, self.sEndTS);
444
445	def calcDurationAsMicroseconds(self):
446	"""
447	Returns the duration as microseconds or None if not available.
448	"""
449	oDuration = self.calcDuration();
450	if not oDuration:
451	return None;
452	return (oDuration.days * 86400 + oDuration.seconds) * 1000000 + oDuration.microseconds;
453
454	@staticmethod
455	def distillTimes(aoTestRuns, sMethod, sStatus):
456	"""
457	Destills the error counts of the tests.
458	Returns a (sStartTS, sEndTS) pair.
459	"""
460
461	#
462	# Start by assembling two list of start and end times for all runs that have a start timestamp.
463	# Then sort out the special cases where no run has a start timestamp and only a single one has.
464	#
465	asStartTS = [oRun.sStartTS for oRun in aoTestRuns if oRun.sStartTS];
466	if not asStartTS:
467	return (None, None);
468	asEndTS = [oRun.sEndTS for oRun in aoTestRuns if oRun.sStartTS]; # parallel to asStartTS, so we don't check sEndTS.
469	if len(asStartTS) == 1:
470	return (asStartTS[0], asEndTS[0]);
471
472	#
473	# Calculate durations for all runs.
474	#
475	if sMethod == 'best':
476	aoDurations = [Test.calcDurationStatic(oRun.sStartTS, oRun.sEndTS) for oRun in aoTestRuns if oRun.sStatus == sStatus];
477	if not aoDurations or aoDurations.count(None) == len(aoDurations):
478	aoDurations = [Test.calcDurationStatic(oRun.sStartTS, oRun.sEndTS) for oRun in aoTestRuns];
479	if aoDurations.count(None) == len(aoDurations):
480	return (asStartTS[0], None);
481	oDuration = min([oDuration for oDuration in aoDurations if oDuration is not None]);
482
483	elif sMethod == 'avg':
484	print("dbg: 0: sStatus=%s []=%s"
485	% (sStatus, [(Test.calcDurationStatic(oRun.sStartTS, oRun.sEndTS),oRun.sStatus) for oRun in aoTestRuns],));
486	aoDurations = [Test.calcDurationStatic(oRun.sStartTS, oRun.sEndTS) for oRun in aoTestRuns if oRun.sStatus == sStatus];
487	print("dbg: 1: aoDurations=%s" % (aoDurations,))
488	aoDurations = [oDuration for oDuration in aoDurations if oDuration];
489	print("dbg: 2: aoDurations=%s" % (aoDurations,))
490	if not aoDurations:
491	return (asStartTS[0], None);
492	aoDurations = [oDuration for oDuration in aoDurations if oDuration < datetime.timedelta.max];
493	print("dbg: 3: aoDurations=%s" % (aoDurations,))
494	if not aoDurations:
495	return (asStartTS[0], None);
496	# sum doesn't work on timedelta, so do it manually.
497	oDuration = aoDurations[0];
498	for i in range(1, len(aoDurations)):
499	oDuration += aoDurations[i];
500	print("dbg: 5: oDuration=%s" % (aoDurations,))
501	oDuration = oDuration / len(aoDurations);
502	print("dbg: 6: oDuration=%s" % (aoDurations,))
503
504	else:
505	assert False;
506	return (asStartTS[0], asEndTS[0]);
507
508	# Check unfinished test.
509	if oDuration >= datetime.timedelta.max:
510	return (asStartTS[0], None);
511
512	# Calculate and format the end timestamp string.
513	oStartTS = utils.parseIsoTimestamp(asStartTS[0]);
514	oEndTS = oStartTS + oDuration;
515	return (asStartTS[0], utils.formatIsoTimestamp(oEndTS));
516
517	@staticmethod
518	def distillStatus(aoTestRuns, sMethod):
519	"""
520	Destills the status of the tests.
521	Returns the status.
522	"""
523	asStatuses = [oRun.sStatus for oRun in aoTestRuns];
524
525	if sMethod == 'best':
526	for sStatus in ('passed', 'failed', 'skipped'):
527	if sStatus in asStatuses:
528	return sStatus;
529	return asStatuses[0];
530
531	if sMethod == 'avg':
532	cPassed = asStatuses.count('passed');
533	cFailed = asStatuses.count('failed');
534	cSkipped = asStatuses.count('skipped');
535	cEnd = asStatuses.count('end');
536	cNone = asStatuses.count(None);
537	if cPassed >= cFailed and cPassed >= cSkipped and cPassed >= cNone and cPassed >= cEnd:
538	return 'passed';
539	if cFailed >= cPassed and cFailed >= cSkipped and cFailed >= cNone and cFailed >= cEnd:
540	return 'failed';
541	if cSkipped >= cPassed and cSkipped >= cFailed and cSkipped >= cNone and cSkipped >= cEnd:
542	return 'skipped';
543	if cEnd >= cPassed and cEnd >= cFailed and cEnd >= cNone and cEnd >= cSkipped:
544	return 'end';
545	return None;
546
547	assert False;
548	return asStatuses[0];
549
550	@staticmethod
551	def distillErrors(aoTestRuns, sMethod):
552	"""
553	Destills the error counts of the tests.
554	Returns the status.
555	"""
556	acErrorsXcptNeg = [oRun.cErrors for oRun in aoTestRuns if oRun.cErrors >= 0];
557
558	if sMethod == 'best':
559	if acErrorsXcptNeg:
560	return min(acErrorsXcptNeg);
561	elif sMethod == 'avg':
562	if acErrorsXcptNeg:
563	return sum(acErrorsXcptNeg) // len(acErrorsXcptNeg);
564	else:
565	assert False;
566	return -1;
567
568	def distill(self, aoTestRuns, sMethod, fDropLoners):
569	"""
570	Distills the test runs into this test.
571	"""
572	#
573	# Recurse first (before we create too much state in the stack
574	# frame) and do child tests.
575	#
576	# We copy the child lists of each test run so we can remove tests we've
577	# processed from each run and thus make sure we include tests in
578	#
579	#
580	aaoChildren = [list(oRun.aoChildren) for oRun in aoTestRuns];
581
582	# Process the tests for each run.
583	for i, _ in enumerate(aaoChildren):
584	# Process all tests for the current run.
585	while len(aaoChildren[i]) > 0:
586	oFirst = aaoChildren[i].pop(0);
587
588	# Build a list of sub-test runs by searching remaining runs by test name.
589	aoSameSubTests = [oFirst,];
590	for j in range(i + 1, len(aaoChildren)):
591	aoThis = aaoChildren[j];
592	for iThis, oThis in enumerate(aoThis):
593	if oThis.sName == oFirst.sName:
594	del aoThis[iThis];
595	aoSameSubTests.append(oThis);
596	break;
597
598	# Apply fDropLoners.
599	if not fDropLoners or len(aoSameSubTests) > 1 or len(aaoChildren) == 1:
600	# Create an empty test and call distill on it with the subtest array, unless
601	# of course that the array only has one member and we can simply clone it.
602	if len(aoSameSubTests) == 1:
603	self.addChild(oFirst.clone(self));
604	else:
605	oSubTest = Test(self);
606	oSubTest.sName = oFirst.sName;
607	oSubTest.distill(aoSameSubTests, sMethod, fDropLoners);
608	self.addChild(oSubTest);
609	del aaoChildren;
610
611	#
612	# Do values. Similar approch as for the sub-tests.
613	#
614	aaoValues = [list(oRun.aoValues) for oRun in aoTestRuns];
615
616	# Process the values for each run.
617	for i,_ in enumerate(aaoValues):
618	# Process all values for the current run.
619	while len(aaoValues[i]) > 0:
620	oFirst = aaoValues[i].pop(0);
621
622	# Build a list of values runs by searching remaining runs by value name and unit.
623	aoSameValues = [oFirst,];
624	for j in range(i + 1, len(aaoValues)):
625	aoThis = aaoValues[j];
626	for iThis, oThis in enumerate(aoThis):
627	if oThis.sName == oFirst.sName and oThis.sUnit == oFirst.sUnit:
628	del aoThis[iThis];
629	aoSameValues.append(oThis);
630	break;
631
632	# Apply fDropLoners.
633	if not fDropLoners or len(aoSameValues) > 1 or len(aaoValues) == 1:
634	# Create an empty test and call distill on it with the subtest array, unless
635	# of course that the array only has one member and we can simply clone it.
636	if len(aoSameValues) == 1:
637	self.aoValues.append(oFirst.clone(self));
638	else:
639	oValue = Value(self);
640	oValue.distill(aoSameValues, sMethod);
641	self.aoValues.append(oValue);
642	del aaoValues;
643
644	#
645	# Distill test properties.
646	#
647	self.sStatus = self.distillStatus(aoTestRuns, sMethod);
648	self.cErrors = self.distillErrors(aoTestRuns, sMethod);
649	(self.sStartTS, self.sEndTS) = self.distillTimes(aoTestRuns, sMethod, self.sStatus);
650	print("dbg: %s: sStartTS=%s, sEndTS=%s" % (self.sName, self.sStartTS, self.sEndTS));
651
652	return self;
653
654
655	class XmlLogReader(object):
656	"""
657	XML log reader class.
658	"""
659
660	def __init__(self, sXmlFile):
661	self.sXmlFile = sXmlFile;
662	self.oRoot = Test(None, {'name': 'root', 'timestamp': ''});
663	self.oTest = self.oRoot;
664	self.iLevel = 0;
665	self.oValue = None;
666
667	def parse(self):
668	try:
669	oFile = open(self.sXmlFile, 'rb'); # pylint: disable=consider-using-with
670	except:
671	traceback.print_exc();
672	return False;
673
674	from xml.parsers.expat import ParserCreate
675	oParser = ParserCreate();
676	oParser.StartElementHandler = self.handleElementStart;
677	oParser.CharacterDataHandler = self.handleElementData;
678	oParser.EndElementHandler = self.handleElementEnd;
679	try:
680	oParser.ParseFile(oFile);
681	except:
682	traceback.print_exc();
683	oFile.close();
684	return False;
685	oFile.close();
686	return True;
687
688	def handleElementStart(self, sName, hsAttrs):
689	#print('%s%s: %s' % (''.ljust(self.iLevel * 2), sName, str(hsAttrs)));
690	if sName in ('Test', 'SubTest',):
691	self.iLevel += 1;
692	self.oTest = self.oTest.addChild(Test(self.oTest, hsAttrs));
693	elif sName == 'Value':
694	self.oValue = self.oTest.addValue(Value(self.oTest, hsAttrs.get('name'), hsAttrs.get('unit'),
695	hsAttrs.get('timestamp'), hsAttrs.get('value')));
696	elif sName == 'End':
697	self.oTest.markEnd(hsAttrs.get('timestamp'), int(hsAttrs.get('errors', '0')));
698	elif sName == 'Passed':
699	self.oTest.markPassed(hsAttrs.get('timestamp'));
700	elif sName == 'Skipped':
701	self.oTest.markSkipped(hsAttrs.get('timestamp'));
702	elif sName == 'Failed':
703	self.oTest.markFailed(hsAttrs.get('timestamp'), int(hsAttrs['errors']));
704	elif sName == 'Include':
705	self.handleInclude(hsAttrs);
706	else:
707	print('Unknown element "%s"' % (sName,));
708
709	def handleElementData(self, sData):
710	if self.oValue is not None:
711	self.oValue.addData(sData);
712	elif sData.strip() != '':
713	print('Unexpected data "%s"' % (sData,));
714	return True;
715
716	def handleElementEnd(self, sName):
717	if sName in ('Test', 'Subtest',):
718	self.iLevel -= 1;
719	self.oTest = self.oTest.oParent;
720	elif sName == 'Value':
721	self.oValue = None;
722	return True;
723
724	def handleInclude(self, hsAttrs):
725	# relative or absolute path.
726	sXmlFile = hsAttrs['filename'];
727	if not os.path.isabs(sXmlFile):
728	sXmlFile = os.path.join(os.path.dirname(self.sXmlFile), sXmlFile);
729
730	# Try parse it.
731	oSub = parseTestResult(sXmlFile);
732	if oSub is None:
733	print('error: failed to parse include "%s"' % (sXmlFile,));
734	else:
735	# Skip the root and the next level before merging it the subtest and
736	# values in to the current test. The reason for this is that the
737	# include is the output of some sub-program we've run and we don't need
738	# the extra test level it automatically adds.
739	#
740	# More benchmark heuristics: Walk down until we find more than one
741	# test or values.
742	oSub2 = oSub;
743	while len(oSub2.aoChildren) == 1 and not oSub2.aoValues:
744	oSub2 = oSub2.aoChildren[0];
745	if not oSub2.aoValues:
746	oSub2 = oSub;
747	self.oTest.mergeInIncludedTest(oSub2);
748	return True;
749
750	def parseTestResult(sXmlFile):
751	"""
752	Parses the test results in the XML.
753	Returns result tree.
754	Returns None on failure.
755	"""
756	oXlr = XmlLogReader(sXmlFile);
757	if oXlr.parse():
758	if len(oXlr.oRoot.aoChildren) == 1 and not oXlr.oRoot.aoValues:
759	return oXlr.oRoot.aoChildren[0];
760	return oXlr.oRoot;
761	return None;
762

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source: vbox/trunk/src/VBox/ValidationKit/analysis/reader.py@ 100697

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