/[escript]/trunk/escript/test/python/run_xml.py
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Revision 2455 - (hide annotations)
Wed Jun 3 03:29:07 2009 UTC (10 years, 4 months ago) by jfenwick
File MIME type: text/x-python
File size: 16543 byte(s)
Merging changes from numpy branch.

1 jgs 147
2 ksteube 1809 ########################################################
3 ksteube 1312 #
4 ksteube 1809 # Copyright (c) 2003-2008 by University of Queensland
5     # Earth Systems Science Computational Center (ESSCC)
6     # http://www.uq.edu.au/esscc
7 ksteube 1312 #
8 ksteube 1809 # Primary Business: Queensland, Australia
9     # Licensed under the Open Software License version 3.0
10     # http://www.opensource.org/licenses/osl-3.0.php
11 ksteube 1312 #
12 ksteube 1809 ########################################################
13 ksteube 1312
14 ksteube 1809 __copyright__="""Copyright (c) 2003-2008 by University of Queensland
15     Earth Systems Science Computational Center (ESSCC)
16     http://www.uq.edu.au/esscc
17     Primary Business: Queensland, Australia"""
18 elspeth 629 __license__="""Licensed under the Open Software License version 3.0
19 ksteube 1809 http://www.opensource.org/licenses/osl-3.0.php"""
20 jfenwick 2344 __url__="https://launchpad.net/escript-finley"
21 jgs 147
22     import unittest
23 gross 918 from esys.escript.modelframe import Model,Link,Simulation,ParameterSet,ESySXMLParser,DataSource
24 jgs 147 import math
25     from cStringIO import StringIO
26     from xml.dom import minidom
27 jfenwick 2455 import numpy
28     import sys
29 jgs 147
30     class XMLDocumentTestCase(unittest.TestCase):
31    
32     def setUp(self):
33    
34     o1=ODETEST(debug=False)
35     o1.u=10
36     o2=ODETEST(debug=False)
37     o2.u=-10.
38     o1.f=Link(o2,"u")
39     o2.f=Link(o1,"u")
40     m=Messenger()
41     o1.dt=0.01
42     m.message=Link(o1)
43     s=Simulation([o1,o2,m],debug=False)
44     s.run()
45     output = StringIO()
46     s.writeXML(output)
47     output.reset()
48     outputList = output.readlines()
49     self.xmlList = outputList
50    
51     def testFirstLine(self):
52     firstLine = self.xmlList[0]
53     self.assertEqual('<?xml version="1.0" ?>\n', firstLine)
54    
55     def testEsysHeader(self):
56     header = self.xmlList[1]
57     self.assertEqual('<ESys>\n', header)
58    
59     def testEsysFooter(self):
60     footer = self.xmlList[-1]
61     self.assertEqual('</ESys>\n', footer)
62    
63     def testSimulationHeader(self):
64     pass
65    
66     def testSimulationFooter(self):
67     pass
68    
69     class SimulationTestCase(unittest.TestCase):
70     def setUp(self):
71     o1=ODETEST(debug=False)
72     o1.u=10
73     o2=ODETEST(debug=False)
74     o2.u=-10.
75     o1.f=Link(o2,"u")
76     o2.f=Link(o1,"u")
77     m=Messenger()
78     o1.dt=0.01
79     m.message=Link(o1)
80     self.s=Simulation([o1,o2,m],debug=False)
81     self.s.run()
82     output = StringIO()
83     self.s.writeXML(output)
84     output.reset()
85     self.xml = output.read()
86    
87     def testSimulation(self):
88     assert "<Simulation" in self.xml, "I should see a Simulation"
89    
90     def testParseAndInstanceOfSimulation(self):
91    
92 gross 918 xml = ESySXMLParser(self.xml)
93     newSim = xml.parse()[0]
94 jgs 147 assert (isinstance (newSim, Simulation))
95     newout = StringIO()
96     newSim.writeXML(newout)
97     newout.reset()
98     xml = newout.read()
99     assert '<Simulation' in xml, "Missing a Simulation! It should be in this!"
100    
101    
102    
103    
104     class LinkTestCase(unittest.TestCase):
105    
106    
107     def setUp(self):
108    
109     self.o1=ODETEST(debug=False)
110     #self.o1.u=10
111     self.o2=ODETEST(debug=False)
112     self.o2.u=-10.
113     self.o1.f=Link(self.o2,"u")
114     self.o2.f=Link(self.o1,"u")
115     self.o2.declareParameter(child=self.o1)
116    
117     def testLinkCreation(self):
118     self.o1.f=Link(self.o2,"u")
119     assert self.o1.f
120    
121    
122     def testLinkValue(self):
123     self.assertEqual(self.o1.f, -10)
124    
125     def testLinkTarget(self):
126     pass
127    
128     def testLinkDefaultAttribute(self):
129     Link(self.o2)
130    
131     def testLinkXML(self):
132     s = StringIO()
133     self.o2.writeXML(s)
134     s.reset()
135     xmlout = s.read()
136     assert '<Link' in xmlout
137    
138     def testLinkTargetXML(self):
139     pass
140    
141     class ParamaterSetTestCase(unittest.TestCase):
142    
143    
144     def setUp(self):
145     self.p = ParameterSet()
146     self.p.declareParameter(gamma1=1.,gamma2=2.,gamma3=3.)
147    
148     def testParameterSetCreation(self):
149     self.assertEqual(self.p.gamma1, 1.)
150    
151     def testParameterSetXMLCreation(self):
152     s = StringIO()
153     self.p.writeXML(s)
154     s.reset()
155     xmlout = s.read()
156     assert ("gamma1" in xmlout)
157     assert ("gamma2" in xmlout)
158     assert ("gamma3" in xmlout)
159 gross 918 esysxml=ESySXMLParser(xmlout)
160     parsable = esysxml.parse()[0]
161 jgs 147 assert (isinstance (parsable, ParameterSet))
162 elspeth 871 assert (self._dom(self.p).getElementsByTagName("ParameterSet"))
163 jgs 147
164     def testParameterSetFromXML(self):
165 gross 918 s = StringIO()
166     self.p.writeXML(s)
167     s.reset()
168     xmlout = s.read()
169     esysxml=ESySXMLParser(xmlout)
170 elspeth 871 doc = self._class(self.p)
171 gross 918 pset = ParameterSet.fromDom(esysxml, self._dom(self.p).getElementsByTagName("ParameterSet")[0])
172 jgs 147 assert (isinstance(pset, ParameterSet))
173     assert (isinstance(doc, ParameterSet))
174     self.assertEqual(self.p.gamma1,doc.gamma1)
175    
176    
177     def testParameterSetWithChildrenFromXML(self):
178     p2 = ParameterSet()
179     p2.declareParameter(s="abc", f=3.)
180     self.p.declareParameter(child=p2)
181 elspeth 871 doc = self._class(self.p)
182 jgs 147 #pset = ParameterSet.fromDom(doc.getElementsByTagName("ParameterSet")[0])
183     self.assertEqual(self.p.child.f, doc.child.f)
184    
185     def testParameterSetChild(self):
186     p2 = ParameterSet()
187     p2.declareParameter(s="abc", f=3.)
188     self.p.declareParameter(child=p2)
189     self.assertEqual(self.p.child.s, "abc")
190     self.assertEqual(self.p.child.f, 3.)
191    
192 elspeth 871 def _dom(self, input):
193 jgs 147 s = StringIO()
194 elspeth 871 input.writeXML(s)
195 jgs 147 s.reset()
196     xmlout = s.read()
197     doc = minidom.parseString(xmlout)
198     return doc
199    
200 elspeth 871 def _class(self, input):
201 jgs 147 s = StringIO()
202 elspeth 871 input.writeXML(s)
203 jgs 147 s.reset()
204     xmlout = s.read()
205 gross 918 esysxml=ESySXMLParser(xmlout)
206     doc =esysxml.parse()[0]
207 jgs 147 return doc
208    
209 elspeth 871 def testFromDomInt(self):
210     p3 = ParameterSet()
211     p3.declareParameter(inttest=1)
212     doc = self._class(p3)
213     assert type(doc.inttest)==int
214    
215     def testFromDomNumarrayVector(self):
216     p3 = ParameterSet()
217 jfenwick 2455 mynumpy = numpy.array([3., 4., 5.], dtype=numpy.float64)
218     p3.declareParameter(numtest=mynumpy)
219 elspeth 871 doc = self._class(p3)
220 jfenwick 2455 assert doc.numtest.dtype == numpy.float64
221     assert type(doc.numtest) == numpy.ndarray
222 elspeth 871
223     def testFromDomNumarrayMulti(self):
224     p3 = ParameterSet()
225 jfenwick 2455 mynumpy = numpy.array([[1., 2., 3.], [3., 4., 5.]], dtype=numpy.float64)
226     p3.declareParameter(numtest=mynumpy)
227 elspeth 871 doc = self._class(p3)
228 jfenwick 2455 assert doc.numtest.dtype == numpy.float64
229     assert type(doc.numtest) == numpy.ndarray
230 elspeth 871
231 jfenwick 2455 # This method is disabled until the correct behaviour for lists of bools is decided
232     #numarray converts them into ints whereas numpy leaves them as bools
233     #def testBoolLists(self):
234     #p4 = ParameterSet()
235     #mylist = [True, False, False, True]
236     #p4.declareParameter(listest=mylist)
237     #doc = self._class(p4)
238     #assert type(doc.listest) == numpy.ndarray
239     #assert doc.listest.type() == numpy.bool_
240     #assert len(doc.listest) == len(mylist)
241     #assert min([ mylist[i] == doc.listest[i] for i in range(len( doc.listest)) ])
242 gross 957
243     def testIntLists(self):
244     p4 = ParameterSet()
245     mylist = [1,2,4]
246     p4.declareParameter(listest=mylist)
247     doc = self._class(p4)
248 jfenwick 2455 assert type(doc.listest) == numpy.ndarray
249     assert doc.listest.dtype == numpy.int_
250 gross 957 assert len(doc.listest) == len(mylist)
251     assert min([ mylist[i] == doc.listest[i] for i in range(len( doc.listest)) ])
252    
253     def testFloatLists(self):
254     p4 = ParameterSet()
255     mylist = [1.,2.,4.]
256     p4.declareParameter(listest=mylist)
257     doc = self._class(p4)
258 jfenwick 2455 assert type(doc.listest) == numpy.ndarray
259     assert doc.listest.dtype == numpy.float_
260 gross 957 assert len(doc.listest) == len(mylist)
261     assert min([ mylist[i] == doc.listest[i] for i in range(len( doc.listest)) ])
262    
263     def testStringLists(self):
264     p4 = ParameterSet()
265     mylist = ["a", "b", "c"]
266     p4.declareParameter(listest=mylist)
267     doc = self._class(p4)
268     assert type(doc.listest) == list
269     assert len(doc.listest) == len(mylist)
270     assert min([ mylist[i] == doc.listest[i] for i in range(len( doc.listest)) ])
271 elspeth 871
272 elspeth 875 def testDatasource(self):
273     p5 = ParameterSet()
274     myURI = DataSource("somelocalfile.txt", "text")
275     p5.declareParameter(uritest=myURI)
276     doc = self._class(p5)
277     self.assertEquals(myURI.uri, doc.uritest.uri)
278     self.assertEquals(myURI.fileformat, doc.uritest.fileformat)
279     assert type(doc.uritest) == DataSource
280 elspeth 874
281 elspeth 875
282    
283 jgs 147 class ModeltoDomTestCase(unittest.TestCase):
284    
285     def _class(self):
286     # returns a modelframe class, generated from the xml
287     s = StringIO()
288     self.o1.writeXML(s)
289     s.reset()
290     self.xmlout = s.read()
291 gross 918 esysxml=ESySXMLParser(xmlout)
292     doc =esysxml.parse()[0]
293 jgs 147 return doc
294    
295     def _dom(self):
296     # returns a minidom dom element, generated from the xml
297     s = StringIO()
298     self.o1.writeXML(s)
299     s.reset()
300     self.xmlout = s.read()
301     doc = minidom.parseString(self.xmlout)
302     return doc
303    
304     def setUp(self):
305     self.o1=ODETEST(debug=False)
306     self.o1.message='blah'
307    
308     def testModelExists(self):
309     modeldoc = self._class()
310     assert (isinstance, (modeldoc, Model))
311     assert self._dom().getElementsByTagName("Model")
312    
313     def testModelhasID(self):
314     assert int(self._dom().getElementsByTagName("Model")[0].getAttribute("id"))>99
315 jgs 150
316     class ModeltoDomTestCase(unittest.TestCase):
317     def _xml(self, modulename, modelname):
318     # returns a modelframe class, generated from the xml
319     return '''<?xml version="1.0" ?>
320     <ESys> <Simulation type="Simulation"> <Component rank="0">
321    
322     <Model id="127" module="%s" type="%s">
323    
324     <Parameter type="float"> <Name> a </Name> <Value> 0.9 </Value> </Parameter>
325     <Parameter type="Link"> <Name> f </Name> <Value> <Link> <Target> 128 </Target>
326     <Attribute> u </Attribute> </Link> </Value> </Parameter> <Parameter
327     type="float"> <Name> tend </Name> <Value>
328     1.0 </Value> </Parameter> <Parameter type="int"> <Name> u </Name> <Value> 10
329     </Value> </Parameter> <Parameter type="float"> <Name> tol </Name> <Value>
330     1e-08 </Value> </Parameter> <Parameter type="float"> <Name> dt </Name>
331     <Value>
332     0.01 </Value> </Parameter> <Parameter type="str"> <Name> message </Name>
333     <Value> current error = 9.516258e-01 </Value> </Parameter> </Model>
334     </Component> <Component rank="1"> <Model id="128" type="ODETEST"> <Parameter
335     type="float"> <Name> a </Name> <Value>
336     0.9 </Value> </Parameter> <Parameter type="Link"> <Name> f </Name> <Value>
337     <Link> <Target> 127 </Target> <Attribute> u </Attribute> </Link> </Value>
338     </Parameter> <Parameter type="float"> <Name> tend </Name> <Value>
339     1.0 </Value> </Parameter> <Parameter type="float"> <Name> u </Name> <Value>
340     -10.0 </Value> </Parameter> <Parameter type="float"> <Name> tol </Name>
341     <Value> 1e-08 </Value> </Parameter> <Parameter type="float"> <Name> dt
342     </Name> <Value>
343     0.1 </Value> </Parameter> <Parameter type="str"> <Name> message </Name> <Value>
344     current error = 1.904837e+01 </Value> </Parameter> </Model> </Component>
345     <Component rank="2"> <Model id="129" type="Messenger"> <Parameter
346     type="Link"> <Name> message </Name> <Value> <Link> <Target> 127 </Target>
347     <Attribute> message </Attribute> </Link> </Value> </Parameter> </Model>
348 gross 918 </Component> </Simulation> <Model id="150" type="ODETEST"> <Parameter
349 jgs 150 type="float"> <Name> a </Name> <Value>
350     0.9 </Value> </Parameter> <Parameter type="Link"> <Name> f </Name> <Value>
351     <Link> <Target> 127 </Target> <Attribute> u </Attribute> </Link> </Value>
352     </Parameter> <Parameter type="float"> <Name> tend </Name> <Value>
353     1.0 </Value> </Parameter> <Parameter type="float"> <Name> u </Name> <Value>
354     -10.0 </Value> </Parameter> <Parameter type="float"> <Name> tol </Name>
355     <Value> 1e-08 </Value> </Parameter> <Parameter type="float"> <Name> dt
356     </Name> <Value>
357     0.1 </Value> </Parameter> <Parameter type="str"> <Name> message </Name> <Value>
358 gross 918 current error = 1.904837e+01 </Value> </Parameter> </Model> <Model id="130"
359 jgs 150 type="ODETEST"> <Parameter type="float"> <Name> a </Name> <Value>
360     0.9 </Value> </Parameter> <Parameter type="Link"> <Name> f </Name> <Value>
361     <Link> <Target> 128 </Target> <Attribute> u </Attribute> </Link> </Value>
362     </Parameter> <Parameter type="float"> <Name> tend </Name> <Value>
363     1.0 </Value> </Parameter> <Parameter type="int"> <Name> u </Name> <Value> 10
364     </Value> </Parameter> <Parameter type="float"> <Name> tol </Name> <Value>
365     1e-08 </Value> </Parameter> <Parameter type="float"> <Name> dt </Name>
366     <Value>
367     0.01 </Value> </Parameter> <Parameter type="str"> <Name> message </Name>
368     <Value> current error = 9.516258e-01 </Value> </Parameter> </Model> <Model
369 gross 918 id="170" type="ODETEST"> <Parameter type="float"> <Name> a </Name> <Value>
370 jgs 150 0.9 </Value> </Parameter> <Parameter type="Link"> <Name> f </Name> <Value>
371     <Link> <Target> 128 </Target> <Attribute> u </Attribute> </Link> </Value>
372     </Parameter> <Parameter type="float"> <Name> tend </Name> <Value>
373     1.0 </Value> </Parameter> <Parameter type="int"> <Name> u </Name> <Value> 10
374     </Value> </Parameter> <Parameter type="float"> <Name> tol </Name> <Value>
375     1e-08 </Value> </Parameter> <Parameter type="float"> <Name> dt </Name>
376     <Value>
377     0.01 </Value> </Parameter> <Parameter type="str"> <Name> message </Name>
378     <Value> current error = 9.516258e-01 </Value> </Parameter> </Model> </ESys>
379     ''' % (modulename, modelname)
380    
381     def testModuleAttribute(self):
382 gross 918 esysxml=ESySXMLParser(self._xml('run_xml', 'ODETEST'))
383     modeldoc=esysxml.parse()[0]
384 jgs 150
385     def testModuleAttributeFails(self):
386     try:
387 gross 918 esysxml=ESySXMLParser(self._xml('a', 'b'))
388     modeldoc=esysxml.parse()[0]
389 jgs 150 except ImportError:
390     return # correct
391    
392     assert False, "This test should have resulted in an ImportError"
393 jgs 147
394     class Messenger(Model):
395     def __init__(self, *args, **kwargs):
396     Model.__init__(self, *args, **kwargs)
397     self.declareParameter(message="none")
398    
399     def doInitialization(self):
400     self.__t=0
401     #print "I start talking now!"
402    
403     def doStepPostprocessing(self,dt):
404     self.__t+=dt
405     #print "Message (time %e) : %s "%(self.__t,self.message)
406    
407     def doFinalization(self):
408     #print "I have no more to say!"
409     pass
410    
411    
412    
413     class ODETEST(Model):
414     """ implements a solver for the ODE
415    
416     du/dt=a*u+f(t)
417    
418     we use a implicit euler scheme :
419    
420     u_n-u_{n-1}= dt*a u_n + st*f(t_n)
421    
422     to get u_n we run an iterative process
423    
424     u_{n.k}=u_{n-1}+dt*(a u_{n.i-1} + f(t_n))
425    
426    
427     input for this model are step size dt, end time tend and a value for
428     a, f and initial value for u. we need also a tolerance tol for a
429     stopping criterion.
430    
431     """
432    
433     def __init__(self, *args, **kwargs):
434     Model.__init__(self, *args, **kwargs)
435     self.declareParameter(tend=1.,dt=0.1,a=0.9,u=10.,f=0.,message="",tol=1.e-8)
436    
437     def doInitialization(self):
438     self.__tn=0
439     self.__iter=0
440    
441     def doStepPreprocessing(self,dt):
442     self.__iter=0
443     self.__u_last=self.u
444    
445     def doStep(self,dt):
446     self.__iter+=1
447     self.__u_old=self.u
448     self.u=self.__u_last+dt*(self.a*self.__u_old+self.f)
449    
450     def terminate(self):
451     if self.__iter<1:
452     return False
453     else:
454     return abs(self.__u_old-self.u)<self.tol*abs(self.u)
455    
456     def doStepPostprocessing(self,dt):
457     self.__tn+=dt
458     self.message="current error = %e"%abs(self.u-10.*math.exp((self.a-1.)*self.__tn))
459    
460     def getSafeTimeStepSize(self,dt):
461     return min(self.dt,1./(abs(self.a)+1.))
462    
463     def finalize(self):
464     return self.__tn>=self.tend
465    
466 jgs 150
467 jgs 147
468     if __name__ == "__main__":
469 ksteube 1312 suite = unittest.TestSuite()
470     suite.addTest(unittest.makeSuite(XMLDocumentTestCase))
471     suite.addTest(unittest.makeSuite(SimulationTestCase))
472     suite.addTest(unittest.makeSuite(LinkTestCase))
473     suite.addTest(unittest.makeSuite(ParamaterSetTestCase))
474     suite.addTest(unittest.makeSuite(ModeltoDomTestCase))
475     suite.addTest(unittest.makeSuite(ModeltoDomTestCase))
476     suite.addTest(unittest.makeSuite(Messenger))
477     suite.addTest(unittest.makeSuite(ODETEST))
478     s=unittest.TextTestRunner(verbosity=2).run(suite)
479 gross 1376 if not s.wasSuccessful(): sys.exit(1)

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