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Revision 1165 - (hide annotations) (download) (as text)
Wed Jan 17 07:35:42 2007 UTC (12 years, 10 months ago) by johnpye
File MIME type: text/x-python
File size: 26781 byte(s)
Added 'distance_calc' to the self-tests.
1 johnpye 1008 #!/usr/bin/env python
2 johnpye 1102 # ASCEND modelling environment
3     # Copyright (C) 2006 Carnegie Mellon University
4     #
5     # This program is free software; you can redistribute it and/or modify
6     # it under the terms of the GNU General Public License as published by
7     # the Free Software Foundation; either version 2, or (at your option)
8     # any later version.
9     #
10     # This program is distributed in the hope that it will be useful,
11     # but WITHOUT ANY WARRANTY; without even the implied warranty of
12     # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13     # GNU General Public License for more details.
14     #
15     # You should have received a copy of the GNU General Public License
16     # along with this program; if not, write to the Free Software
17     # Foundation, Inc., 59 Temple Place - Suite 330,
18     # Boston, MA 02111-1307, USA.
19    
20     # This script gives a test suite for the high-level interface of ASCEND via
21     # Python. It is also planned to be a wrapper for the CUnit test suite, although
22     # this is still experimental.
23    
24 johnpye 669 import unittest
25 johnpye 1104 import os, sys
26 johnpye 1098 import math
27     import atexit
28 johnpye 1091
29     import platform
30 johnpye 1028 if platform.system() != "Windows":
31     import dl
32     sys.setdlopenflags(dl.RTLD_GLOBAL|dl.RTLD_NOW)
33    
34 johnpye 956 class Ascend(unittest.TestCase):
35 johnpye 669
36 johnpye 933 def setUp(self):
37     import ascpy
38 johnpye 1118 self.L = ascpy.Library()
39 johnpye 933
40     def tearDown(self):
41     self.L.clear()
42     del self.L
43    
44 johnpye 1024 class AscendSelfTester(Ascend):
45    
46     def _run(self,modelname,solvername="QRSlv",filename=None):
47     if filename==None:
48     filename = 'johnpye/%s.a4c' % modelname
49     self.L.load(filename)
50     T = self.L.findType(modelname)
51     M = T.getSimulation('sim')
52     M.build()
53     M.solve(ascpy.Solver(solvername),ascpy.SolverReporter())
54     M.run(T.getMethod('self_test'))
55     return M
56    
57 johnpye 966 class TestCompiler(Ascend):
58    
59 johnpye 941 def testloading(self):
60     pass
61    
62     def testsystema4l(self):
63     self.L.load('system.a4l')
64    
65     def testatomsa4l(self):
66     self.L.load('atoms.a4l')
67    
68 johnpye 1024 class TestSolver(AscendSelfTester):
69 johnpye 966
70     def testlog10(self):
71     self._run('testlog10')
72    
73 johnpye 1156 def testrootsofpoly(self):
74     self._run('roots_of_poly',filename="roots_of_poly.a4c")
75    
76 johnpye 1152 def testcollapsingcan(self):
77     self._run('collapsingcan',filename="collapsingcan.a4c")
78    
79 johnpye 1165 def testdistancecalc(self):
80     self._run('distance_calc',filename="distance_calc.a4c")
81    
82 johnpye 966 def testconopt(self):
83     self._run('testconopt',"CONOPT")
84    
85     def testcmslv2(self):
86 johnpye 974 self._run('testcmslv2',"CMSlv")
87 johnpye 966
88     def testsunpos1(self):
89     self._run('example_1_6_1',"QRSlv","johnpye/sunpos.a4c")
90    
91     def testsunpos2(self):
92     self._run('example_1_6_2',"QRSlv","johnpye/sunpos.a4c")
93    
94     def testsunpos3(self):
95     self._run('example_1_7_1',"QRSlv","johnpye/sunpos.a4c")
96    
97     def testsunpos4(self):
98     self._run('example_1_7_2',"QRSlv","johnpye/sunpos.a4c")
99    
100     def testsunpos5(self):
101     self._run('example_1_7_3',"QRSlv","johnpye/sunpos.a4c")
102    
103     def testsunpos6(self):
104     self._run('example_1_8_1',"QRSlv","johnpye/sunpos.a4c")
105    
106 johnpye 1073 def testinstanceas(self):
107     M = self._run('example_1_6_1',"QRSlv","johnpye/sunpos.a4c")
108     self.assertAlmostEqual( float(M.t_solar), M.t_solar.as("s"))
109     self.assertAlmostEqual( float(M.t_solar)/3600, M.t_solar.as("h"))
110    
111 johnpye 1126 class TestMatrix(AscendSelfTester):
112     def testlog10(self):
113     M = self._run('testlog10')
114     print M.getMatrix().write(sys.stderr,"mmio")
115    
116    
117 johnpye 966 class TestIntegrator(Ascend):
118    
119 johnpye 941 def testListIntegrators(self):
120     I = ascpy.Integrator.getEngines()
121     s1 = sorted([str(i) for i in I.values()])
122 johnpye 972 s2 = sorted(['IDA','LSODE','AWW'])
123 johnpye 941 assert s1==s2
124    
125 johnpye 942 # this routine is reused by both testIDA and testLSODE
126 johnpye 941 def _testIntegrator(self,integratorname):
127 johnpye 940 self.L.load('johnpye/shm.a4c')
128     M = self.L.findType('shm').getSimulation('sim')
129 johnpye 972 M.setSolver(ascpy.Solver('QRSlv'))
130 johnpye 1133 P = M.getParameters()
131     M.setParameter('feastol',1e-12)
132 johnpye 979 print M.getChildren()
133     assert float(M.x) == 10.0
134     assert float(M.v) == 0.0
135 johnpye 941 t_end = math.pi
136 johnpye 940
137     I = ascpy.Integrator(M)
138     I.setReporter(ascpy.IntegratorReporterNull(I))
139 johnpye 941 I.setEngine(integratorname);
140 johnpye 940 I.setLinearTimesteps(ascpy.Units("s"), 0.0, t_end, 100);
141 johnpye 1133 I.setMinSubStep(0.0001); # these limits are required by IDA at present (numeric diff)
142     I.setMaxSubStep(0.1);
143 johnpye 941 I.setInitialSubStep(0.001);
144     I.setMaxSubSteps(200);
145 johnpye 944 if(integratorname=='IDA'):
146     I.setParameter('autodiff',False)
147 johnpye 1133 for p in M.getParameters():
148     print p.getName(),"=",p.getValue()
149 johnpye 940 I.analyse();
150     I.solve();
151 johnpye 941 print "At end of simulation,"
152 johnpye 979 print "x = %f" % M.x
153     print "v = %f" % M.v
154     assert abs(float(M.x) + 10) < 1e-2
155     assert abs(float(M.v)) < 1e-2
156 johnpye 940 assert I.getNumObservedVars() == 3
157    
158 johnpye 941 def testInvalidIntegrator(self):
159 johnpye 966 self.L.load('johnpye/shm.a4c')
160 johnpye 941 M = self.L.findType('shm').getSimulation('sim')
161 johnpye 972 M.setSolver(ascpy.Solver('QRSlv'))
162 johnpye 941 I = ascpy.Integrator(M)
163     try:
164     I.setEngine('___NONEXISTENT____')
165 johnpye 972 except RuntimeError:
166 johnpye 941 return
167     self.fail("setEngine did not raise error!")
168    
169     def testLSODE(self):
170     self._testIntegrator('LSODE')
171    
172 johnpye 972 def testIDA(self):
173     self._testIntegrator('IDA')
174    
175 johnpye 1016 def testparameters(self):
176     self.L.load('johnpye/shm.a4c')
177     M = self.L.findType('shm').getSimulation('sim')
178     M.build()
179     I = ascpy.Integrator(M)
180     I.setEngine('IDA')
181     P = I.getParameters()
182     for p in P:
183     print p.getName(),"=",p.getValue()
184     assert len(P)==11
185     assert P[0].isStr()
186     assert P[0].getName()=="linsolver"
187     assert P[0].getValue()=='SPGMR'
188     assert P[2].getName()=="autodiff"
189     assert P[2].getValue()==True
190     assert P[7].getName()=="atolvect"
191     assert P[7].getBoolValue() == True
192     P[2].setBoolValue(False)
193     assert P[2].getBoolValue()==False
194     I.setParameters(P)
195     assert I.getParameterValue('autodiff')==False
196     I.setParameter('autodiff',True)
197     try:
198     v = I.getParameterValue('nonexist')
199     except KeyError:
200     pass
201     else:
202     self.fail('Failed to trip invalid Integrator parameter')
203    
204 johnpye 972 class TestLSODE(Ascend):
205    
206 johnpye 964 def testzill(self):
207     self.L.load('johnpye/zill.a4c')
208     T = self.L.findType('zill')
209     M = T.getSimulation('sim')
210 johnpye 972 M.setSolver(ascpy.Solver('QRSlv'))
211 johnpye 964 I = ascpy.Integrator(M)
212 johnpye 966 I.setEngine('LSODE')
213     I.setMinSubStep(1e-7)
214     I.setMaxSubStep(0.001)
215     I.setMaxSubSteps(10000)
216 johnpye 964 I.setReporter(ascpy.IntegratorReporterConsole(I))
217 johnpye 1017 I.setLinearTimesteps(ascpy.Units(), 1.0, 1.5, 5)
218 johnpye 964 I.analyse()
219     I.solve()
220     M.run(T.getMethod('self_test'))
221    
222 johnpye 962 def testnewton(self):
223 johnpye 973 sys.stderr.write("STARTING TESTNEWTON\n")
224 johnpye 962 self.L.load('johnpye/newton.a4c')
225     T = self.L.findType('newton')
226     M = T.getSimulation('sim')
227     M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter())
228     I = ascpy.Integrator(M)
229     I.setEngine('LSODE')
230 johnpye 963 I.setParameter('rtolvect',False)
231     I.setParameter('rtol',1e-7)
232     I.setParameter('atolvect',False)
233     I.setParameter('atol',1e-7)
234     I.setMinSubStep(1e-7)
235     I.setMaxSubStep(0.001)
236     I.setMaxSubSteps(10000)
237    
238 johnpye 962 I.setReporter(ascpy.IntegratorReporterConsole(I))
239 johnpye 1017 I.setLinearTimesteps(ascpy.Units("s"), 0, 2*float(M.v)/float(M.g), 2)
240 johnpye 962 I.analyse()
241     I.solve()
242     print "At end of simulation,"
243 johnpye 979 print "x = %f" % M.x
244     print "v = %f" % M.v
245 johnpye 962 M.run(T.getMethod('self_test'))
246    
247 johnpye 961 def testlotka(self):
248     self.L.load('johnpye/lotka.a4c')
249     M = self.L.findType('lotka').getSimulation('sim')
250 johnpye 980 M.setSolver(ascpy.Solver("QRSlv"))
251 johnpye 961 I = ascpy.Integrator(M)
252     I.setEngine('LSODE')
253     I.setReporter(ascpy.IntegratorReporterConsole(I))
254 johnpye 1017 I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5)
255 johnpye 961 I.analyse()
256 johnpye 979 print "Number of vars = %d" % I.getNumVars()
257     assert I.getNumVars()==2
258 johnpye 961 I.solve()
259     assert I.getNumObservedVars() == 3;
260 johnpye 979 assert abs(M.R - 832) < 1.0
261     assert abs(M.F - 21.36) < 0.1
262 johnpye 1017
263     #-------------------------------------------------------------------------------
264 johnpye 1032 # Testing of a external blackbox functions
265 johnpye 1021
266 johnpye 1032 class TestBlackBox(AscendSelfTester):
267     def testparsefail0(self):
268     try:
269     self.L.load('test/blackbox/parsefail0.a4c')
270     self.fail("parsefail0 should not have loaded without errors")
271     except:
272     pass
273    
274     def testparsefail1(self):
275     try:
276     self.L.load('test/blackbox/parsefail1.a4c')
277     self.fail("parsefail1 should not have loaded without errors")
278     except:
279     pass
280    
281     def testparsefail2(self):
282     try:
283     self.L.load('test/blackbox/parsefail2.a4c')
284     self.fail("parsefail2 should not have loaded without errors")
285     except:
286     pass
287    
288     def testparsefail3(self):
289     try:
290     self.L.load('test/blackbox/parsefail3.a4c')
291     self.fail("parsefail3 should not have loaded without errors")
292     except:
293     pass
294    
295     def testparsefail4(self):
296     try:
297     self.L.load('test/blackbox/parsefail4.a4c')
298     self.fail("parsefail4 should not have loaded")
299     except:
300     pass
301    
302     def testfail1(self):
303     """Mismatched arg counts check-- tests bbox, not ascend."""
304     self.L.load('test/blackbox/fail1.a4c')
305 johnpye 1034 try:
306 johnpye 1035 M = self.L.findType('fail1').getSimulation('sim')
307 johnpye 1034 self.fail("expected exception was not raised")
308     except RuntimeError,e:
309     print "Caught exception '%s', assumed ok" % e
310 johnpye 1032
311     def testfail2(self):
312     """Incorrect data arg check -- tests bbox, not ascend"""
313     self.L.load('test/blackbox/fail2.a4c')
314 johnpye 1035 try:
315     M = self.L.findType('fail2').getSimulation('sim')
316     self.fail("expected exception was not raised")
317     except RuntimeError,e:
318     print "Caught exception '%s', assumed ok (should mention errors during instantiation)" % e
319 johnpye 1032
320     def testpass1(self):
321     """simple single bbox forward solve"""
322     M = self._run('pass1',filename='test/blackbox/pass.a4c')
323    
324     def testpass2(self):
325     """simple single bbox reverse solve"""
326     M = self._run('pass2',filename='test/blackbox/pass.a4c')
327    
328     def testpass3(self):
329     """simple double bbox solve"""
330     M = self._run('pass3',filename='test/blackbox/pass3.a4c')
331    
332     def testpass4(self):
333     """simple double bbox reverse solve"""
334     M = self._run('pass4',filename='test/blackbox/pass3.a4c')
335    
336     def testpass5(self):
337     M = self._run('pass5',filename='test/blackbox/pass5.a4c')
338    
339     def testpass6(self):
340     M = self._run('pass6',filename='test/blackbox/pass5.a4c')
341    
342     def testpass7(self):
343     M = self._run('pass7',filename='test/blackbox/passmerge.a4c')
344    
345     def testpass8(self):
346     M = self._run('pass8',filename='test/blackbox/passmerge.a4c')
347    
348     def testpass9(self):
349     M = self._run('pass9',filename='test/blackbox/passmerge.a4c')
350    
351     def testpass10(self):
352     M = self._run('pass10',filename='test/blackbox/passmerge.a4c')
353    
354     def testpass11(self):
355     M = self._run('pass11',filename='test/blackbox/passmerge.a4c')
356    
357     def testpass12(self):
358     M = self._run('pass12',filename='test/blackbox/passmerge.a4c')
359    
360 johnpye 1037 # this test doesn't work: 'system is inconsistent' -- and structurally singular
361     # def testpass13(self):
362     # """cross-merged input/output solve"""
363     # M = self._run('pass13',filename='test/blackbox/passmerge.a4c')
364 johnpye 1032
365     def testpass14(self):
366     """cross-merged input/output reverse solve"""
367     M = self._run('pass14',filename='test/blackbox/passmerge.a4c')
368    
369     def testpass20(self):
370     M = self._run('pass20',filename='test/blackbox/passarray.a4c')
371    
372     def testparsefail21(self):
373     """dense array of black boxes wrong syntax"""
374     try:
375     self.L.load('test/blackbox/parsefail21.a4c')
376     self.fail("parsefail21 should not have loaded without errors")
377     except:
378     pass
379    
380     def testpass22(self):
381     M = self._run('pass22',filename='test/blackbox/passarray.a4c')
382    
383     def testpass23(self):
384     M = self._run('pass23',filename='test/blackbox/passarray.a4c')
385    
386     def testpass61(self):
387     M = self._run('pass61',filename='test/blackbox/reinstantiate.a4c')
388    
389     def testpass62(self):
390     M = self._run('pass62',filename='test/blackbox/reinstantiate.a4c')
391    
392     def testpass64(self):
393     M = self._run('pass64',filename='test/blackbox/reinstantiate.a4c')
394    
395     def testpass65(self):
396     M = self._run('pass65',filename='test/blackbox/reinstantiate.a4c')
397    
398     def testpass66(self):
399     M = self._run('pass66',filename='test/blackbox/reinstantiate.a4c')
400    
401     def testpass67(self):
402     M = self._run('pass67',filename='test/blackbox/reinstantiate.a4c')
403    
404 johnpye 1024 class TestExtFn(AscendSelfTester):
405 johnpye 1021 def testextfntest(self):
406 johnpye 1024 M = self._run('extfntest',filename='johnpye/extfn/extfntest.a4c')
407     self.assertAlmostEqual(M.y, 2);
408     self.assertAlmostEqual(M.x, 1);
409 johnpye 1021 self.assertAlmostEqual(M.y, M.x + 1);
410    
411 johnpye 1039 def testextrelfor(self):
412     M = self._run('extrelfor',filename='johnpye/extfn/extrelfor.a4c')
413 johnpye 1024
414 johnpye 1056 ## @TODO fix bug with badly-named bbox rel in a loop (Ben, maybe)
415     # def testextrelforbadnaming(self):
416     # self.L.load('johnpye/extfn/extrelforbadnaming.a4c')
417     # T = self.L.findType('extrelfor')
418     # M = T.getSimulation('sim')
419     # M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
420     # print "x[1] = %f" % M.x[1]
421     # print "x[2] = %f" % M.x[2]
422     # print "x[3] = %f" % M.x[3]
423     # print "x[4] = %f" % M.x[4]
424     # print "x[5] = %f" % M.x[5]
425     # M.run(T.getMethod('self_test'))
426 johnpye 1039
427 johnpye 1024 def testextrelrepeat(self):
428     M = self._run('extrelrepeat',filename='johnpye/extfn/extrelrepeat.a4c')
429    
430 johnpye 1021 #-------------------------------------------------------------------------------
431 johnpye 1162 # Testing of Sensitivity module
432    
433     class TestSensitivity(AscendSelfTester):
434     def test1(self):
435     self.L.load('sensitivity_test.a4c')
436     T = self.L.findType('sensitivity_test')
437     M = T.getSimulation('sim',False)
438     M.run(T.getMethod('on_load'))
439     M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
440     M.run(T.getMethod('analyse'))
441 johnpye 1163 M.run(T.getMethod('self_test'))
442 johnpye 1162
443     #-------------------------------------------------------------------------------
444 johnpye 1024 # Testing of a ExtPy - external python methods
445    
446     class TestExtPy(AscendSelfTester):
447 johnpye 1055 def test1(self):
448     self.L.load('johnpye/extpy/extpytest.a4c')
449     T = self.L.findType('extpytest')
450     M = T.getSimulation('sim')
451     M.run(T.getMethod('self_test'))
452    
453     def test2(self):
454     self.L.load('johnpye/extpy/extpytest.a4c')
455     T = self.L.findType('extpytest')
456     M = T.getSimulation('sim')
457     M.run(T.getMethod('pythonthing'))
458     M.run(T.getMethod('pythonthing'))
459     M.run(T.getMethod('pythonthing'))
460     M.run(T.getMethod('pythonthing'))
461     # causes crash!
462 johnpye 1024
463     #-------------------------------------------------------------------------------
464 johnpye 1042 # Testing of saturated steam properties library (iapwssatprops.a4c)
465    
466     class TestSteam(AscendSelfTester):
467 johnpye 1161
468 johnpye 1042 def testiapwssatprops1(self):
469     M = self._run('testiapwssatprops1',filename='steam/iapwssatprops.a4c')
470     def testiapwssatprops2(self):
471     M = self._run('testiapwssatprops2',filename='steam/iapwssatprops.a4c')
472     def testiapwssatprops3(self):
473     M = self._run('testiapwssatprops3',filename='steam/iapwssatprops.a4c')
474    
475 johnpye 1161 # test the stream model basically works
476 johnpye 1043 def testsatsteamstream(self):
477     M = self._run('satsteamstream',filename='steam/satsteamstream.a4c')
478 johnpye 1042
479 johnpye 1161 # test that we can solve in terms of various (rho,u)
480     def testsatuv(self):
481     self.L.load('steam/iapwssat.a4c')
482     T = self.L.findType('testiapwssatuv')
483     M = T.getSimulation('sim',False)
484     M.run(T.getMethod('on_load'))
485     M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
486     print "p = %f bar" % M.p.as('bar');
487     print "T = %f C" % (M.T.as('K') - 273.15);
488     print "x = %f" % M.x;
489     M.run(T.getMethod('self_test'))
490     M.run(T.getMethod('values2'))
491     # M.v.setRealValueWithUnits(1.0/450,"m^3/kg");
492     # M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
493     M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
494     print "p = %f bar" % M.p.as('bar');
495     print "T = %f C" % (M.T.as('K') - 273.15);
496     print "x = %f" % M.x;
497     M.run(T.getMethod('self_test2'))
498    
499    
500 johnpye 1056 ## @TODO fix error capture from bounds checking during initialisation
501     # def testiapwssat1(self):
502     # M = self._run('testiapwssat1',filename='steam/iapwssat.a4c')
503 johnpye 1042
504 johnpye 1100 def testdsgsat(self):
505     self.L.load('steam/dsgsat2.a4c')
506     T = self.L.findType('dsgsat2')
507     M = T.getSimulation('sim',False)
508 johnpye 1127 M.run(T.getMethod('on_load'))
509 johnpye 1100 M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
510 johnpye 1152 self.assertAlmostEqual(M.dTw_dt[2],0.0);
511 johnpye 1127 M.run(T.getMethod('configure_dynamic'))
512     M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
513 johnpye 1132 return M
514    
515     def testintegLSODE(self):
516     M = self.testdsgsat()
517     M.qdot_s.setRealValueWithUnits(1000,"W/m")
518     M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
519 johnpye 1144 #M.setParameter('
520 johnpye 1132 I = ascpy.Integrator(M)
521     I.setEngine('LSODE')
522 johnpye 1142 I.setParameter('meth','AM')
523     I.setParameter('maxord',12)
524 johnpye 1132 I.setReporter(ascpy.IntegratorReporterConsole(I))
525     I.setLinearTimesteps(ascpy.Units("s"), 0, 5, 1)
526     I.analyse()
527     I.solve()
528    
529     def testintegIDA(self):
530 johnpye 1137 M = self.testdsgsat()
531 johnpye 1152 self.assertAlmostEqual(M.dTw_dt[2],0.0)
532     Tw1 = float(M.T_w[2])
533 johnpye 1137 T = self.L.findType('dsgsat2')
534     M.run(T.getMethod('free_states'))
535 johnpye 1100 I = ascpy.Integrator(M)
536 johnpye 1132 I.setEngine('IDA')
537     I.setParameter('linsolver','DENSE')
538     I.setParameter('safeeval',True)
539     I.setParameter('rtol',1e-8)
540     I.setInitialSubStep(0.01)
541 johnpye 1137 I.setMinSubStep(0.001)
542 johnpye 1132 I.setMaxSubSteps(100)
543 johnpye 1100 I.setReporter(ascpy.IntegratorReporterConsole(I))
544 johnpye 1132 I.setLinearTimesteps(ascpy.Units("s"), 0, 3600, 100)
545 johnpye 1100 I.analyse()
546     I.solve()
547 johnpye 1132 I.analyse()
548     I.solve()
549 johnpye 1152 self.assertAlmostEqual(float(M.T_w[2]),Tw1)
550 johnpye 1127 M.qdot_s.setRealValueWithUnits(1000,"W/m")
551     self.assertAlmostEqual(M.qdot_s.as("W/m"),1000)
552     M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
553 johnpye 1152 self.assertNotAlmostEqual(M.dTw_dt[2],0.0)
554 johnpye 1127 # I = ascpy.Integrator(M)
555     # I.setEngine('LSODE')
556     # I.setReporter(ascpy.IntegratorReporterConsole(I))
557     # I.setReporter(ascpy.IntegratorReporterConsole(I))
558     # I.setLinearTimesteps(ascpy.Units("s"), 0, 5, 100)
559     # I.setMinSubStep(0.0001)
560     # I.setMaxSubStep(100)
561     # I.setInitialSubStep(0.1)
562     # I.analyse()
563     # I.solve()
564 johnpye 1046
565 johnpye 1042 #-------------------------------------------------------------------------------
566 johnpye 1017 # Testing of freesteam external steam properties functions
567    
568 johnpye 1032 with_freesteam = True
569 johnpye 1017 try:
570 johnpye 1039 # we assume that if the freesteam python module is installed, the ASCEND
571     # external library will also be.
572 johnpye 1017 import freesteam
573     have_freesteam = True
574 johnpye 1018 except ImportError,e:
575 johnpye 1017 have_freesteam = False
576    
577 johnpye 1024 if with_freesteam and have_freesteam:
578 johnpye 1039 class TestFreesteam(AscendSelfTester):
579 johnpye 1119 # def testfreesteamtest(self):
580     # """run the self-test cases bundled with freesteam"""
581     # self._run('testfreesteam',filename='testfreesteam.a4c')
582 johnpye 1039
583 johnpye 1021 def testload(self):
584 johnpye 1039 """check that we can load 'thermalequilibrium2' (IMPORT "freesteam", etc)"""
585 johnpye 1017 self.L.load('johnpye/thermalequilibrium2.a4c')
586 johnpye 1018
587 johnpye 1021 def testinstantiate(self):
588 johnpye 1039 """load an instantiate 'thermalequilibrium2'"""
589 johnpye 1021 self.testload()
590 johnpye 1018 M = self.L.findType('thermalequilibrium2').getSimulation('sim')
591 johnpye 1039 return M
592 johnpye 1021
593 johnpye 1039 def testintegrate(self):
594     """integrate transfer of heat from one mass of water/steam to another
595     according to Newton's law of cooling"""
596     M = self.testinstantiate()
597 johnpye 1018 M.setSolver(ascpy.Solver("QRSlv"))
598 johnpye 1039 I = ascpy.Integrator(M)
599     I.setEngine('LSODE')
600     I.setReporter(ascpy.IntegratorReporterConsole(I))
601     I.setLinearTimesteps(ascpy.Units("s"), 0, 3000, 30)
602 johnpye 1055 I.setMinSubStep(0.01)
603     I.setInitialSubStep(1)
604 johnpye 1039 I.analyse()
605     print "Number of vars = %d" % I.getNumVars()
606     assert I.getNumVars()==2
607     I.solve()
608     assert I.getNumObservedVars() == 3;
609     print "S[1].T = %f K" % M.S[1].T
610     print "S[2].T = %f K" % M.S[2].T
611     print "Q = %f W" % M.Q
612 johnpye 1119 self.assertAlmostEqual(float(M.S[1].T),506.77225109,4);
613 johnpye 1056 self.assertAlmostEqual(float(M.S[2].T),511.605173967,5);
614     self.assertAlmostEqual(float(M.Q),-48.32922877329,3);
615 johnpye 1039 self.assertAlmostEqual(float(M.t),3000);
616     print "Note that the above values have not been verified analytically"
617 johnpye 1017
618 johnpye 1121
619 johnpye 1017 #-------------------------------------------------------------------------------
620     # Testing of IDA models using DENSE linear solver
621    
622 johnpye 1016 class TestIDADENSE(Ascend):
623 johnpye 1017 """IDA DAE integrator, DENSE linear solver"""
624 johnpye 961
625 johnpye 979 def testnewton(self):
626     sys.stderr.write("STARTING TESTNEWTON\n")
627     self.L.load('johnpye/newton.a4c')
628     T = self.L.findType('newton')
629     M = T.getSimulation('sim')
630     M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter())
631     I = ascpy.Integrator(M)
632     I.setEngine('IDA')
633 johnpye 1016 I.setParameter('linsolver','DENSE')
634 johnpye 979 I.setParameter('safeeval',True)
635     I.setParameter('rtol',1e-8)
636     I.setMaxSubStep(0.001)
637     I.setMaxSubSteps(10000)
638    
639     I.setReporter(ascpy.IntegratorReporterConsole(I))
640 johnpye 1017 I.setLinearTimesteps(ascpy.Units("s"), 0, 2*float(M.v)/float(M.g), 2)
641 johnpye 979 I.analyse()
642     I.solve()
643     print "At end of simulation,"
644     print "x = %f" % M.x
645     print "v = %f" % M.v
646     M.run(T.getMethod('self_test'))
647    
648 johnpye 1042 def testlotka(self):
649 johnpye 991 self.L.load('johnpye/lotka.a4c')
650     M = self.L.findType('lotka').getSimulation('sim')
651     M.setSolver(ascpy.Solver("QRSlv"))
652     I = ascpy.Integrator(M)
653     I.setEngine('IDA')
654     I.setReporter(ascpy.IntegratorReporterConsole(I))
655     I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5);
656     I.setParameter('linsolver','DENSE')
657     I.setParameter('rtol',1e-8);
658     I.analyse()
659     assert I.getNumVars()==2
660     assert abs(M.R - 1000) < 1e-300
661     I.solve()
662 johnpye 1017 assert I.getNumObservedVars() == 3
663 johnpye 991 assert abs(M.R - 832) < 1.0
664     assert abs(M.F - 21.36) < 0.1
665 johnpye 972
666 johnpye 975 def testdenx(self):
667 johnpye 1026 print "-----------------------------====="
668 johnpye 942 self.L.load('johnpye/idadenx.a4c')
669     M = self.L.findType('idadenx').getSimulation('sim')
670 johnpye 1017 M.setSolver(ascpy.Solver("QRSlv"))
671 johnpye 942 I = ascpy.Integrator(M)
672     I.setEngine('IDA')
673 johnpye 1024 I.setParameter('calcic','YA_YPD')
674 johnpye 972 I.setParameter('linsolver','DENSE')
675 johnpye 944 I.setReporter(ascpy.IntegratorReporterConsole(I))
676 johnpye 1017 I.setLogTimesteps(ascpy.Units("s"), 0.4, 4e10, 11)
677 johnpye 950 I.setMaxSubStep(0);
678 johnpye 1017 I.setInitialSubStep(0)
679 johnpye 950 I.setMaxSubSteps(0);
680 johnpye 944 I.setParameter('autodiff',True)
681     I.analyse()
682     I.solve()
683 johnpye 1022 assert abs(float(M.y1) - 5.1091e-08) < 2e-9
684     assert abs(float(M.y2) - 2.0437e-13) < 2e-14
685 johnpye 1017 assert abs(float(M.y3) - 1.0) < 1e-5
686 johnpye 942
687 johnpye 1058 ## @TODO fails during IDACalcIC (model too big?)
688     # def testkryx(self):
689     # self.L.load('johnpye/idakryx.a4c')
690     # ascpy.getCompiler().setUseRelationSharing(False)
691     # M = self.L.findType('idakryx').getSimulation('sim')
692     # M.setSolver(ascpy.Solver('QRSlv'))
693     # M.build()
694     # I = ascpy.Integrator(M)
695     # I.setEngine('IDA')
696     # I.setReporter(ascpy.IntegratorReporterConsole(I))
697     # I.setParameter('linsolver','DENSE')
698     # I.setParameter('maxl',8)
699     # I.setParameter('gsmodified',False)
700     # I.setParameter('autodiff',True)
701     # I.setParameter('rtol',0)
702     # I.setParameter('atol',1e-3);
703     # I.setParameter('atolvect',False)
704     # I.setParameter('calcic','YA_YDP')
705     # I.analyse()
706     # I.setLogTimesteps(ascpy.Units("s"), 0.01, 10.24, 11)
707     # I.solve()
708     # assert abs(M.u[2][2].getValue()) < 1e-5
709 johnpye 1017
710     #-------------------------------------------------------------------------------
711     # Testing of IDA models using SPGMR linear solver (Krylov)
712    
713 johnpye 1016 # these tests are disabled until SPGMR preconditioning has been implemented
714     class TestIDASPGMR:#(Ascend):
715     def testlotka(self):
716     self.L.load('johnpye/lotka.a4c')
717     M = self.L.findType('lotka').getSimulation('sim')
718     M.setSolver(ascpy.Solver("QRSlv"))
719 johnpye 951 I = ascpy.Integrator(M)
720     I.setEngine('IDA')
721     I.setReporter(ascpy.IntegratorReporterConsole(I))
722 johnpye 1017 I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5)
723     I.setParameter('rtol',1e-8)
724 johnpye 951 I.analyse()
725 johnpye 1016 assert I.getNumVars()==2
726     assert abs(M.R - 1000) < 1e-300
727 johnpye 951 I.solve()
728 johnpye 1017 assert I.getNumObservedVars() == 3
729 johnpye 1016 assert abs(M.R - 832) < 1.0
730     assert abs(M.F - 21.36) < 0.1
731 johnpye 951
732 johnpye 1016
733 johnpye 991 def testkryx(self):
734 johnpye 951 self.L.load('johnpye/idakryx.a4c')
735     M = self.L.findType('idakryx').getSimulation('sim')
736 johnpye 952 M.build()
737 johnpye 951 I = ascpy.Integrator(M)
738     I.setEngine('IDA')
739     I.setReporter(ascpy.IntegratorReporterConsole(I))
740 johnpye 992 I.setParameter('linsolver','SPGMR')
741 johnpye 993 I.setParameter('prec','JACOBI')
742 johnpye 970 I.setParameter('maxl',8)
743 johnpye 952 I.setParameter('gsmodified',False)
744     I.setParameter('autodiff',True)
745 johnpye 993 I.setParameter('gsmodified',True)
746 johnpye 952 I.setParameter('rtol',0)
747     I.setParameter('atol',1e-3);
748     I.setParameter('atolvect',False)
749 johnpye 993 I.setParameter('calcic','Y')
750 johnpye 952 I.analyse()
751     I.setLogTimesteps(ascpy.Units("s"), 0.01, 10.24, 10);
752 johnpye 1017 print M.udot[1][3]
753 johnpye 952 I.solve()
754     assert 0
755 johnpye 967
756 johnpye 1016 def testzill(self):
757     self.L.load('johnpye/zill.a4c')
758     T = self.L.findType('zill')
759     M = T.getSimulation('sim')
760     M.setSolver(ascpy.Solver('QRSlv'))
761     I = ascpy.Integrator(M)
762     I.setEngine('IDA')
763     I.setParameter('safeeval',False)
764     I.setMinSubStep(1e-7)
765     I.setMaxSubStep(0.001)
766     I.setMaxSubSteps(10000)
767     I.setReporter(ascpy.IntegratorReporterConsole(I))
768 johnpye 1017 I.setLinearTimesteps(ascpy.Units(), 1.0, 1.5, 5)
769 johnpye 1016 I.analyse()
770     I.solve()
771     M.run(T.getMethod('self_test'))
772    
773     def testdenxSPGMR(self):
774     self.L.load('johnpye/idadenx.a4c')
775     M = self.L.findType('idadenx').getSimulation('sim')
776     M.setSolver(ascpy.Solver('QRSlv'))
777     I = ascpy.Integrator(M)
778     I.setEngine('IDA')
779     I.setReporter(ascpy.IntegratorReporterConsole(I))
780 johnpye 1017 I.setLogTimesteps(ascpy.Units("s"), 0.4, 4e10, 11)
781 johnpye 1016 I.setMaxSubStep(0);
782     I.setInitialSubStep(0);
783     I.setMaxSubSteps(0);
784     I.setParameter('autodiff',True)
785     I.setParameter('linsolver','SPGMR')
786     I.setParameter('gsmodified',False)
787     I.setParameter('maxncf',10)
788     I.analyse()
789     I.solve()
790 johnpye 1017 assert abs(float(M.y1) - 5.1091e-08) < 1e-10
791     assert abs(float(M.y2) - 2.0437e-13) < 1e-15
792     assert abs(float(M.y3) - 1.0) < 1e-5
793 johnpye 1016
794 johnpye 943 # move code above down here if you want to temporarily avoid testing it
795 johnpye 932 class NotToBeTested:
796     def nothing(self):
797     pass
798 johnpye 1016
799 johnpye 669 if __name__=='__main__':
800 johnpye 1118 # a whole bag of tricks to make sure we get the necessary dirs in our ascend, python and ld path vars
801 johnpye 1098 restart = 0
802    
803     if platform.system()=="Windows":
804 johnpye 1120 LD_LIBRARY_PATH="PATH"
805 johnpye 1098 SEP = ";"
806     else:
807     LD_LIBRARY_PATH="LD_LIBRARY_PATH"
808     SEP = ":"
809    
810 johnpye 1119 freesteamdir = os.path.expanduser("~/freesteam/ascend")
811     modeldirs = [os.path.abspath(os.path.join(sys.path[0],"models")),os.path.abspath(freesteamdir)]
812 johnpye 1118 if not os.environ.get('ASCENDLIBRARY'):
813 johnpye 1119 os.environ['ASCENDLIBRARY'] = SEP.join(modeldirs)
814 johnpye 1118 restart = 1
815     else:
816     envmodelsdir = [os.path.abspath(i) for i in os.environ['ASCENDLIBRARY'].split(SEP)]
817 johnpye 1119 for l in modeldirs:
818     if l in envmodelsdir[len(modeldirs):]:
819     envmodelsdir.remove(l)
820     restart = 1
821     for l in modeldirs:
822     if l not in envmodelsdir:
823     envmodelsdir.insert(0,l)
824     restart = 1
825     os.environ['ASCENDLIBRARY'] = SEP.join(envmodelsdir)
826 johnpye 1118
827 johnpye 1102 libdirs = ["pygtk","."]
828 johnpye 1098 libdirs = [os.path.normpath(os.path.join(sys.path[0],l)) for l in libdirs]
829     if not os.environ.get(LD_LIBRARY_PATH):
830 johnpye 1105 os.environ[LD_LIBRARY_PATH]=SEP.join(libdirs)
831 johnpye 1106 restart = 1
832 johnpye 1098 else:
833     envlibdirs = [os.path.normpath(i) for i in os.environ[LD_LIBRARY_PATH].split(SEP)]
834     for l in libdirs:
835 johnpye 1106 if l in envlibdirs[len(libdirs):]:
836     envlibdirs.remove(l)
837     restart = 1
838     for l in libdirs:
839 johnpye 1098 if l not in envlibdirs:
840     envlibdirs.insert(0,l)
841 johnpye 1106 restart = 1
842 johnpye 1098 os.environ[LD_LIBRARY_PATH] = SEP.join(envlibdirs)
843    
844 johnpye 1102 pypath = os.path.normpath(os.path.join(sys.path[0],"pygtk"))
845     if not os.environ.get('PYTHONPATH'):
846     os.environ['PYTHONPATH']=pypath
847     else:
848     envpypath = os.environ['PYTHONPATH'].split(SEP)
849     if pypath not in envpypath:
850     envpypath.insert(0,pypath)
851 johnpye 1137 os.environ['PYTHONPATH']=SEP.join(envpypath)
852 johnpye 1102 restart = 1
853    
854 johnpye 1098 if restart:
855     script = os.path.join(sys.path[0],"test.py")
856 johnpye 1119 print "Restarting with..."
857     print " LD_LIBRARY_PATH = %s" % os.environ.get(LD_LIBRARY_PATH)
858     print " PYTHONPATH = %s" % os.environ.get('PYTHONPATH')
859     print " ASCENDLIBRARY = %s" % os.environ.get('ASCENDLIBRARY')
860 johnpye 1098 os.execvp("python",[script] + sys.argv)
861    
862     import ascpy
863    
864     try:
865     import cunit
866     except:
867     pass
868    
869 johnpye 966 atexit.register(ascpy.shutdown)
870 johnpye 1008 #suite = unittest.TestSuite()
871 johnpye 1003 #suite = unittest.defaultTestLoader.loadTestsFromName('__main__')
872 johnpye 1008 #unittest.TextTestRunner(verbosity=2).run(suite)
873     unittest.main()

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john.pye@anu.edu.au
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