testcase_generator.py @ 06290c8

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload

Last change on this file since 06290c8 was 36948c92, checked in by Mathieu Doucet <doucetm@…>, 16 years ago
Modified to testing and modified according to testing results
Property mode set to `100644`
File size: 24.0 KB

Line
1	"""
2	Random test-case generator for BaseComponents
3
4	@author: Mathieu Doucet / UTK
5	@license: This software is provided as part of the DANSE project.
6	"""
7	import time
8
9	def randomModel():
10	""" Return a random model name """
11	from sans.models.ModelFactory import ModelFactory
12	from random import random
13	from math import floor
14
15	model_list = ModelFactory().getAllModels()
16	ready = False
17	while not ready:
18	rnd_id = int(floor(random()*len(model_list)))
19	if model_list[rnd_id] not in ["TestSphere2", "DataModel"]:
20	ready = True
21	return model_list[rnd_id]
22
23	class ReportCard: # pylint: disable-msg=R0902
24	""" Class to hold test-case results """
25
26	def __init__(self):
27	""" Initialization """
28	## Number of test cases
29	self.n_cases = 0
30	## Number of passed test cases
31	self.n_cases_pass = 0
32	## Number of Evaluation calls
33	self.n_eval = 0
34	## Number of passed Evaluation calls
35	self.n_eval_pass = 0
36	## Number of SetParam calls
37	self.n_set = 0
38	## Number of passed Set calls
39	self.n_set_pass = 0
40	## Number of GetParam calls
41	self.n_get = 0
42	## Number of passed Get calls
43	self.n_get_pass = 0
44	## Number of load calls
45	self.n_load = 0
46	## Number of passed Load calls
47	self.n_load_pass = 0
48	## Number of save calls
49	self.n_save = 0
50	## Number of passed Save calls
51	self.n_save_pass = 0
52	## Number of Add calls
53	self.n_add = 0
54	## Number of passed Add calls
55	self.n_add_pass = 0
56	## Number of Sub calls
57	self.n_sub = 0
58	## Number of passed Sub calls
59	self.n_sub_pass = 0
60	## Number of Div calls
61	self.n_div = 0
62	## Number of passed Div calls
63	self.n_div_pass = 0
64	## Number of mul calls
65	self.n_mul = 0
66	## Number of passed Mul calls
67	self.n_mul_pass = 0
68	## Test log
69	self.log = ""
70	## Trace
71	self.trace = ""
72	## Model tested
73	self.model = ""
74	## List of all models tested
75	self.modelList = []
76
77
78	def __add__(self, other):
79	""" Add two report cards
80	@param other: other report to add
81	@return: updated self
82	"""
83
84	self.n_cases += other.n_cases
85	self.n_cases_pass += other.n_cases_pass
86	self.n_eval += other.n_eval
87	self.n_eval_pass += other.n_eval_pass
88	self.n_set += other.n_set
89	self.n_set_pass += other.n_set_pass
90	self.n_get += other.n_get
91	self.n_get_pass += other.n_get_pass
92	self.n_load += other.n_load
93	self.n_load_pass += other.n_load_pass
94	self.n_save += other.n_save
95	self.n_save_pass += other.n_save_pass
96	self.n_add += other.n_add
97	self.n_add_pass += other.n_add_pass
98	self.n_sub += other.n_sub
99	self.n_sub_pass += other.n_sub_pass
100	self.n_mul += other.n_mul
101	self.n_mul_pass += other.n_mul_pass
102	self.n_div += other.n_div
103	self.n_div_pass += other.n_div_pass
104	if len(other.log)>0:
105	self.log += other.log
106	if len(other.trace)>0:
107	self.trace += other.trace
108
109	if not other.model in self.modelList:
110	self.modelList.append(other.model)
111
112	return self
113
114	def isPassed(self):
115	""" Returns true if no error was found """
116	if self.n_cases_pass < self.n_cases \
117	or self.n_save_pass < self.n_save \
118	or self.n_load_pass < self.n_load \
119	or self.n_set_pass < self.n_set \
120	or self.n_get_pass < self.n_get \
121	or self.n_eval_pass < self.n_eval \
122	or self.n_add_pass < self.n_add \
123	or self.n_sub_pass < self.n_sub \
124	or self.n_mul_pass < self.n_mul \
125	or self.n_div_pass < self.n_div:
126	return False
127	return True
128
129	def __str__(self):
130	""" String representation of the report card """
131	from sans.models.ModelFactory import ModelFactory
132
133	rep = "Detailed output:\n"
134	rep += self.log
135	rep += "\n"
136	rep += "Total number of cases: %g\n" % self.n_cases
137	rep += " Passed: %g\n" % self.n_cases_pass
138	rep += "\n"
139	self.modelList.sort()
140	rep += "Models tested: %s\n" % self.modelList
141	all_models = ModelFactory().getAllModels()
142	all_models.sort()
143	rep += "\n"
144	rep += "Available models: %s\n" % all_models
145	rep += "\n"
146	rep += "Breakdown:\n"
147	rep += " Eval: %g / %g\n" % (self.n_eval_pass, self.n_eval)
148	rep += " Set: %g / %g\n" % (self.n_set_pass, self.n_set)
149	rep += " Get: %g / %g\n" % (self.n_get_pass, self.n_get)
150	rep += " Load: %g / %g\n" % (self.n_load_pass, self.n_load)
151	rep += " Save: %g / %g\n" % (self.n_save_pass, self.n_save)
152	rep += " Add: %g / %g\n" % (self.n_add_pass, self.n_add)
153	rep += " Sub: %g / %g\n" % (self.n_sub_pass, self.n_sub)
154	rep += " Mul: %g / %g\n" % (self.n_mul_pass, self.n_mul)
155	rep += " Div: %g / %g\n" % (self.n_div_pass, self.n_div)
156	return rep
157
158
159
160	class TestCaseGenerator:
161	""" Generator for suite of test-cases
162	"""
163
164	def __init__(self):
165	""" Initialization
166	"""
167
168	self.n_tests = 0
169	self.n_passed = 0
170	self.time = 0
171	self.reportCard = ReportCard()
172
173	def generateFiles(self, number, file_prefix):
174	""" Generate test-case files
175	@param number: number of files to generate
176	@param file_prefix: prefix for the file names
177	"""
178
179	for i in range(number):
180	filename = "%s_%d.xml" % (file_prefix, i)
181	self.generateFileTest(filename)
182	self.n_tests += 1
183
184	def generateAndRun(self, number):
185	""" Generate test-cases and run them
186	@param number: number of test-cases to generate
187	"""
188	start_time = time.time()
189	for i in range(number):
190	textcase = self.generateTest()
191	t = TestCase(text = textcase)
192	passed = t.run()
193	self.reportCard += t.reportCard
194	if not passed:
195	t = time.localtime()
196	xmloutput = open("error_%i-%i-%i-%i-%i-%i_%i.xml" % \
197	(t[0],t[1],t[2],t[3],t[4],t[5],self.reportCard.n_cases),'w')
198	xmloutput.write(textcase)
199	xmloutput.close()
200
201
202	self.time += time.time()-start_time
203	print self.reportCard
204
205	def generateFileTest(self, filename = "tmp.xml"):
206	"""
207	Write a random test-case in an XML file
208	@param filename: name of file to write to
209	"""
210	text = self.generateTest()
211	# Write test case in file
212	xmlfile = open(filename,'w')
213	xmlfile.write(text)
214	xmlfile.close()
215
216
217	def generateTest(self):
218	"""
219	Generate an XML representation of a random test-case
220	"""
221	import random
222
223	#t = TestCase()
224	text = "<?xml version=\"1.0\"?>\n"
225	text += "<TestCase>\n"
226	stimulus = "eval"
227
228	loop = True
229	while loop:
230	rnd = random.random()
231
232	# run 50%
233	if rnd <= 0.5:
234	stimulus = "eval"
235	elif rnd>0.5 and rnd<=0.7:
236	stimulus = "set"
237	elif rnd>0.7 and rnd<=0.72:
238	stimulus = "save"
239	elif rnd>0.72 and rnd<=0.74:
240	stimulus = "load"
241	elif rnd>0.74 and rnd<=0.8:
242	stimulus = "get"
243	elif rnd>0.8 and rnd<=0.81:
244	stimulus = "add"
245	elif rnd>0.81 and rnd<=0.82:
246	stimulus = "div"
247	elif rnd>0.82 and rnd<=0.83:
248	stimulus = "mul"
249	elif rnd>0.83 and rnd<=0.84:
250	stimulus = "sub"
251	else:
252	# just run and quit
253	stimulus = "eval"
254	loop = False
255
256	text += " <Stimulus id=\"%s\"/>\n" % stimulus
257	text += "</TestCase>"
258
259	return text
260
261
262	class TestCase:
263	""" Test-case class """
264
265	def __init__(self, filename = None, text = None):
266	""" Initialization
267	@param filename: name of file containing the test case
268	"""
269	#from sans.models.ModelFactory import ModelFactory
270	self.filename = filename
271	self.text = text
272	#self.model = ModelFactory().getModel(randomModel())
273	self.model = getRandomModelObject()
274	#self.model = ModelFactory().getModel("SphereModel")
275	self.passed = True
276	self.reportCard = ReportCard()
277
278
279	def run(self):
280	""" Read the test case and execute it """
281	from xml.dom.minidom import parse
282	from xml.dom.minidom import parseString
283
284	# Initialize report
285	self.reportCard = ReportCard()
286	self.reportCard.model = self.model.name
287	self.reportCard.n_cases = 1
288
289	if not self.text == None:
290	dom = parseString(self.text)
291	elif not self.filename == None:
292	dom = parse(self.filename)
293	else:
294	print "No input to parse"
295	return False
296
297	if dom.hasChildNodes():
298	for n in dom.childNodes:
299	if n.nodeName == "TestCase":
300	self.processStimuli(n)
301
302	# Update report card
303	if self.passed:
304	self.reportCard.n_cases_pass = 1
305
306	return self.passed
307
308	def processStimuli(self, node):
309	""" Process the stimuli list in the TestCase node
310	of an XML test-case file
311	@param node: test-case node
312	"""
313	import testcase_generator as generator
314	report = ReportCard()
315	report.trace = "%s\n" % self.model.name
316
317	self.passed = True
318	if node.hasChildNodes():
319	for n in node.childNodes:
320	if n.nodeName == "Stimulus":
321
322	s_type = None
323	if n.hasAttributes():
324	# Get stilumus ID
325	for i in range(len(n.attributes)):
326	attr_name = n.attributes.item(i).name
327	if attr_name == "id":
328	s_type = n.attributes.item(i).nodeValue
329	if hasattr(generator,"%sStimulus" % s_type):
330	stimulus = getattr(generator,"%sStimulus" % s_type)
331	#print s_type, self.model.name
332	m, res = stimulus(self.model)
333	#print " ", m.name
334	self.model = m
335	if not res.isPassed():
336	self.passed = False
337
338	report += res
339
340	else:
341	print "Stimulus %s not found" % s_type
342
343	self.reportCard += report
344
345	if not self.passed:
346	print "\nFailure:"
347	print report.trace
348	return self.passed
349
350
351	def evalStimulus(model):
352	""" Apply the stimulus to the supplied model object
353	@param model: model to apply the stimulus to
354	@return: True if passed, False otherwise
355	"""
356	minval = 0.001
357	maxval = 1.0
358	# Call run with random input
359	import random, math
360	input_value = random.random()*(maxval-minval)+minval
361
362	# Catch division by zero, which can happen
363	# when creating random models
364	try:
365	# Choose whether we want 1D or 2D
366	if random.random()>0.5:
367	output = model.run(input_value)
368	else:
369	output = model.run([input_value, 2math.pirandom.random()])
370	except ZeroDivisionError:
371	print "Error evaluating model %s: %g" % (model.name, input_value)
372	output = None
373
374	#print "Eval: %g" % output
375
376	# Oracle bit - just check that we have a number...
377	passed = False
378	try:
379	if output != None and math.fabs(output) >= 0:
380	passed = True
381	except:
382	print "---> Could not compute abs val", output, model.name
383
384
385	report = ReportCard()
386	report.n_eval = 1
387	if passed:
388	report.n_eval_pass = 1
389	else:
390	report.log = "Eval: bad output value %s\n" % str(output)
391
392	report.trace = "Eval(%g) = %s %i\n" % (input_value, str(output), passed)
393	return model, report
394
395	def setStimulus(model):
396	""" Apply the stimulus to the supplied model object
397	@param model: model to apply the stimulus to
398	@return: True if passed, False otherwize
399	"""
400	# Call run with random input
401	import random, math
402	minval = 1
403	maxval = 5
404
405	# Choose a parameter to change
406	keys = model.getParamList()
407	if len(keys)==0:
408	#print model.name+" has no params"
409	return model, ReportCard()
410
411	p_len = len(keys)
412	i_param = int(math.floor(random.random()*p_len))
413	p_name = keys[i_param]
414
415	# Choose a value
416	# Check for min/max
417	if hasattr(model, "details"):
418	if model.details.has_key(p_name):
419	if model.details[p_name][1] != None:
420	minval = model.details[p_name][1]
421	if model.details[p_name][2] != None:
422	maxval = model.details[p_name][2]
423	elif model.other.details.has_key(p_name):
424	if model.other.details[p_name][1] != None:
425	minval = model.other.details[p_name][1]
426	if model.other.details[p_name][2] != None:
427	maxval = model.other.details[p_name][2]
428	elif model.operateOn.details.has_key(p_name):
429	if model.operateOn.details[p_name][1] != None:
430	minval = model.operateOn.details[p_name][1]
431	if model.operateOn.details[p_name][2] != None:
432	maxval = model.operateOn.details[p_name][2]
433
434	input_val = random.random()*(maxval-minval)+minval
435	model.setParam(p_name, input_val)
436
437	# Read back
438	check_val = model.getParam(p_name)
439	#print "Set: %s = %g" % (p_name, check_val)
440
441	# Oracle bit
442	passed = False
443	if check_val == input_val:
444	passed = True
445
446	report = ReportCard()
447	report.n_set = 1
448	if passed:
449	report.n_set_pass = 1
450	else:
451	report.log = "Set: parameter %s not set properly %g <> %g\n" % \
452	(p_name, input_val, check_val)
453
454	report.trace = "Set %s = %g %i\n" % (p_name, input_val, passed)
455	return model, report
456
457	def getStimulus(model):
458	""" Apply the stimulus to the supplied model object
459	@param model: model to apply the stimulus to
460	@return: True if passed, False otherwise
461	"""
462	import random, math
463	# Choose a parameter to change
464	keys = model.getParamList()
465	if len(keys)==0:
466	#print model.name+" has no params"
467	return model, ReportCard()
468
469	p_len = len(keys)
470	i_param = int(math.floor(random.random()*p_len))
471	p_name = keys[i_param]
472
473	# Read back
474	check_val = model.getParam(p_name)
475	#print "Get: %s = %g" % (p_name, check_val)
476
477	# Oracle bit
478	passed = False
479	if math.fabs(check_val) >= 0:
480	passed = True
481
482	report = ReportCard()
483	report.n_get = 1
484	if passed:
485	report.n_get_pass = 1
486	else:
487	report.log = "Get: bad value for parameter %s: %g\n" % \
488	(p_name, check_val)
489
490	report.trace = "Get %s = %g %i\n" % (p_name, check_val, passed)
491	return model, report
492
493	def loadStimulus(model):
494	""" Apply the stimulus to the supplied model object
495	@param model: model to apply the stimulus to
496	@return: True if passed, False otherwize
497	"""
498	from sans.models.ModelIO import ModelIO
499	from sans.models.ModelFactory import ModelFactory
500	factory = ModelFactory()
501	io = ModelIO(factory)
502
503	# testModel.xml should be in the directory
504	loaded = io.load("load_test_model.xml")
505	value2 = loaded.run(1)
506
507	# Oracle bit
508	passed = False
509	if not value2 == 0:
510	passed = True
511
512	report = ReportCard()
513	report.n_load = 1
514	if passed:
515	report.n_load_pass = 1
516	else:
517	report.log = "Load: bad loaded model\n"
518
519	report.trace = "Load = %s %i\n" % (loaded.name, passed)
520	return model, report
521
522	def saveStimulus(model):
523	""" Apply the stimulus to the supplied model object
524	@param model: model to apply the stimulus to
525	@return: True if passed, False otherwize
526	"""
527	from sans.models.ModelIO import ModelIO
528	from sans.models.ModelFactory import ModelFactory
529	factory = ModelFactory()
530	io = ModelIO(factory)
531	io.save(model,"testModel.xml")
532	#value = model.run(1)
533
534	# Check it
535	loaded = io.load("testModel.xml")
536	try:
537	value2 = loaded.run(1)
538	except ZeroDivisionError:
539	value2 = -1
540
541	# Oracle bit
542	passed = False
543
544	# The two outputs do not need to be the same
545	# since we do not save the parameters!
546	# If it's the subtraction of two identical models,
547	# we will also get zero!
548	#if value2 == value:
549	# passed = True
550
551	passed = True
552
553
554	report = ReportCard()
555	report.n_save = 1
556	if passed:
557	report.n_save_pass = 1
558	else:
559	report.log = "Save: bad output from saved model %g\n" % value2
560
561	report.trace = "Save %s %i\n" % (model.name, passed)
562	return model, report
563
564	def getRandomModelObject():
565	"""
566	Return a random model object
567	"""
568	from sans.models.ModelFactory import ModelFactory
569	while True:
570	try:
571	modelname = randomModel()
572	add_model = ModelFactory().getModel(modelname)
573	return add_model
574	except:
575	# Don't complain when a model can't be loaded.
576	# A list of tested models will appear in the
577	# file report, which can be compared with the
578	# list of available models, also printed.
579	pass
580	#print "Could not load ", modelname
581
582
583	def addStimulus(model):
584	""" Apply the stimulus to the supplied model object
585	@param model: model to apply the stimulus to
586	@return: True if passed, False otherwize
587	"""
588	#from sans.models.ModelFactory import ModelFactory
589	#factory = ModelFactory()
590	#add_model = factory.getModel("SphereModel")
591	add_model = getRandomModelObject()
592
593	tmp = model + add_model
594	model = tmp
595
596	# Oracle bit
597	passed = False
598
599	try:
600	value2 = model.run(1)
601	value2 = float(value2)
602	except:
603	passed = False
604
605	# If we made it this far, we have a float
606	passed = True
607
608	report = ReportCard()
609	report.n_add = 1
610	if passed:
611	report.n_add_pass = 1
612	else:
613	report.log = "Add: bad output from composite model\n"
614
615	report.trace = "Div %s %i\n" % (model.name, passed)
616	return model, report
617
618	def subStimulus(model):
619	""" Apply the stimulus to the supplied model object
620	@param model: model to apply the stimulus to
621	@return: True if passed, False otherwize
622	"""
623	from sans.models.ModelFactory import ModelFactory
624	from random import random
625
626	#factory = ModelFactory()
627	#sub_model = factory.getModel("CylinderModel")
628	#sub_model = factory.getModel(randomModel())
629	sub_model = getRandomModelObject()
630
631
632	sub_model.params["scale"] = 1.1*random()
633	tmp = model - sub_model
634
635	# Oracle bit
636	passed = False
637
638	try:
639	value2 = tmp.run(1.1 * (1.0 + random()))
640	value2 = float(value2)
641	except:
642	value2 = None
643	passed = False
644
645	# If we made it this far, we have a float
646	passed = True
647
648	report = ReportCard()
649	report.n_sub = 1
650	if passed:
651	report.n_sub_pass = 1
652	else:
653	report.log = "Sub: bad output from composite model\n"
654
655	report.trace = "Sub %s (%g - %g = %s) %i\n" % \
656	(model.name, model.run(1), \
657	sub_model.run(1), str(value2), passed)
658	return tmp, report
659
660	def mulStimulus(model):
661	""" Apply the stimulus to the supplied model object
662	@param model: model to apply the stimulus to
663	@return: True if passed, False otherwize
664	"""
665	#from sans.models.ModelFactory import ModelFactory
666	#factory = ModelFactory()
667	#mul_model = factory.getModel("SphereModel")
668	#mul_model = factory.getModel(randomModel())
669	mul_model = getRandomModelObject()
670	tmp = model * mul_model
671
672	# Oracle bit
673	passed = False
674
675	from random import random
676	input_val = 1.1 * (1.0 + random())
677	v1 = None
678	v2 = None
679	try:
680	v1 = mul_model.run(input_val)
681	v2 = model.run(input_val)
682	value2 = tmp.run(input_val)
683	value2 = float(value2)
684	except ZeroDivisionError:
685	value2 = None
686
687	# If we made it this far, we have a float
688	passed = True
689
690	report = ReportCard()
691	report.n_mul = 1
692	if passed:
693	report.n_mul_pass = 1
694	else:
695	report.log = "Mul: bad output from composite model\n"
696
697	report.trace = "Mul %s (%s * %s = %s) %i\n" % \
698	(model.name, str(v1), str(v2), str(value2), passed)
699	return tmp, report
700
701	def divStimulus(model):
702	""" Apply the stimulus to the supplied model object
703	@param model: model to apply the stimulus to
704	@return: True if passed, False otherwise
705	"""
706	#from sans.models.ModelFactory import ModelFactory
707	#factory = ModelFactory()
708	#div_model = factory.getModel("SphereModel")
709	#div_model = factory.getModel(randomModel())
710
711	from random import random
712	input_val = 1.5 * random()
713
714	# Find a model that will not evaluate to zero
715	# at the input value
716	try_again = True
717	while try_again:
718	div_model = getRandomModelObject()
719	try:
720	v2 = div_model.run(input_val)
721	try_again = False
722	except:
723	pass
724
725	tmp = model / div_model
726
727	# Oracle bit
728	passed = False
729
730	v1 = None
731	v2 = None
732	try:
733
734	# Check individual models against bad combinations,
735	# which happen from time to time given that all
736	# parameters are random
737	try:
738	v2 = div_model.run(input_val)
739	v1 = model.run(input_val)
740	value2 = tmp.run(input_val)
741	value2 = float(value2)
742	except ZeroDivisionError:
743	value2 = None
744	except:
745	passed = False
746
747	# If we made it this far, we have a float
748	passed = True
749
750	report = ReportCard()
751	report.n_div = 1
752	if passed:
753	report.n_div_pass = 1
754	else:
755	report.log = "Div: bad output from composite model\n"
756
757	report.trace = "Div %s/%s (%g) = %s / %s = %s %i\n" % \
758	(model.name, div_model.name, input_val, str(v1), str(v2), str(value2), passed)
759	return tmp, report
760
761	if __name__ == '__main__':
762
763	#print randomModel()
764	g = TestCaseGenerator()
765	g.generateAndRun(20000)
766
767	#t = TestCase(filename = "error_1.17721e+009.xml")
768	#print t.run()
769

Note: See TracBrowser for help on using the repository browser.

SasView

source: sasview/sansmodels/src/sans/models/test/testcase_generator.py @ 06290c8

Download in other formats: