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Revision 1304 - (show annotations) (download) (as text)
Thu Mar 1 06:34:04 2007 UTC (12 years, 6 months ago) by johnpye
File MIME type: text/x-python
File size: 37152 byte(s)
Added test for empty sets with new default behaviour.
1 #!/usr/bin/env python
2 # ASCEND modelling environment
3 # Copyright (C) 2006, 2007 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 import unittest
25 import os, sys
26 import math
27 import atexit
28
29 import platform
30 if platform.system() != "Windows":
31 try:
32 import dl
33 _dlflags = dl.RTLD_GLOBAL|dl.RTLD_NOW
34 except:
35 # On platforms that unilaterally refuse to provide the 'dl' module
36 # we'll just set the value and see if it works.
37 print "Note: python 'dl' module not available on this system, guessing value of RTLD_* flags"
38 _dlflags = 258
39
40 sys.setdlopenflags(_dlflags)
41
42 class Ascend(unittest.TestCase):
43
44 def setUp(self):
45 import ascpy
46 self.L = ascpy.Library()
47
48 def tearDown(self):
49 self.L.clear()
50 del self.L
51
52 class AscendSelfTester(Ascend):
53
54 def _run(self,modelname,solvername="QRSlv",filename=None,parameters={}):
55 if filename==None:
56 filename = 'johnpye/%s.a4c' % modelname
57 self.L.load(filename)
58 T = self.L.findType(modelname)
59 M = T.getSimulation('sim')
60 M.setSolver(ascpy.Solver(solvername))
61 for k,v in parameters.iteritems():
62 M.setParameter(k,v)
63 M.solve(ascpy.Solver(solvername),ascpy.SolverReporter())
64 M.run(T.getMethod('self_test'))
65 return M
66
67 class TestCompiler(Ascend):
68
69 def _run(self,filen,modeln=""):
70 self.L.load('test/compiler/%s.a4c' % filen)
71 T = self.L.findType('%s%s' % (filen,modeln))
72 M = T.getSimulation('sim')
73 M.build()
74
75 def _runfail(self,filen,n,msg="failed"):
76 try:
77 self._run(filen,'fail%d' % n)
78 except Exception,e:
79 print "(EXPECTED) ERROR: %s" % e
80 return
81 self.fail(msg)
82
83
84 def testloading(self):
85 """library startup"""
86 pass
87
88 def testsystema4l(self):
89 """loading system.a4l?"""
90 self.L.load('system.a4l')
91
92 def testatomsa4l(self):
93 """loading atoms.a4l?"""
94 self.L.load('atoms.a4l')
95
96 def testmissingreq(self):
97 """flagging a missing REQUIRE"""
98 self._runfail('missingreq',1)
99
100 def testmissingsubreq(self):
101 """flagging a subsidiary missing REQUIRE"""
102 self._runfail('missingreq',1)
103
104 def defaultmethodstest(self,modelname):
105 self.L.load("test/defaultmethods.a4c")
106 T = self.L.findType(modelname)
107 M = T.getSimulation('sim')
108 M.run(T.getMethod('on_load'))
109 M.run(T.getMethod('self_test'))
110 return M
111
112 def testdefault1(self):
113 self.defaultmethodstest('testdefault1')
114
115 def testdefault2(self):
116 self.defaultmethodstest('testdefault2')
117
118 def testdefault3(self):
119 self.defaultmethodstest('testdefault3')
120
121 def testdefault4(self):
122 self.defaultmethodstest('testdefault4')
123
124 def testdefault5(self):
125 self.defaultmethodstest('testdefault5')
126
127 def testdefault6(self):
128 self.defaultmethodstest('testdefault6')
129
130 def testdefault7(self):
131 self.defaultmethodstest('testdefault7')
132
133 def testdefault8(self):
134 self.defaultmethodstest('testdefault8')
135
136 def testdefault9(self):
137 self.defaultmethodstest('testdefault9')
138
139 def testdefault10(self):
140 self.defaultmethodstest('testdefault10')
141
142 def testdefault11(self):
143 self.defaultmethodstest('testdefault11')
144
145 def testdefault12(self):
146 self.defaultmethodstest('testdefault12')
147
148 def testdefault13(self):
149 self.defaultmethodstest('testdefault13')
150
151 def testdefault14(self):
152 self.defaultmethodstest('testdefault14')
153
154 def testdefault15(self):
155 self.defaultmethodstest('testdefault15')
156
157 def testdefault16(self):
158 self.defaultmethodstest('testdefault16')
159
160 def testdefault17(self):
161 self.defaultmethodstest('testdefault17')
162 def testdefault18(self):
163 self.defaultmethodstest('testdefault18')
164
165 class TestSolver(AscendSelfTester):
166
167 def testlog10(self):
168 self._run('testlog10')
169
170 def testrootsofpoly(self):
171 self._run('roots_of_poly',filename="roots_of_poly.a4c")
172
173 def testcollapsingcan(self):
174 self._run('collapsingcan',filename="collapsingcan.a4c")
175
176 def testdistancecalc(self):
177 self._run('distance_calc',filename="distance_calc.a4c")
178
179 def testconopt(self):
180 self._run('testconopt',"CONOPT")
181
182 def testcmslv2(self):
183 self._run('testcmslv2',"CMSlv")
184
185 def testsunpos1(self):
186 self._run('example_1_6_1',"QRSlv","johnpye/sunpos.a4c")
187
188 def testsunpos2(self):
189 self._run('example_1_6_2',"QRSlv","johnpye/sunpos.a4c")
190
191 def testsunpos3(self):
192 self._run('example_1_7_1',"QRSlv","johnpye/sunpos.a4c")
193
194 def testsunpos4(self):
195 self._run('example_1_7_2',"QRSlv","johnpye/sunpos.a4c")
196
197 def testsunpos5(self):
198 self._run('example_1_7_3',"QRSlv","johnpye/sunpos.a4c")
199
200 def testsunpos6(self):
201 self._run('example_1_8_1',"QRSlv","johnpye/sunpos.a4c")
202
203 def testinstanceas(self):
204 M = self._run('example_1_6_1',"QRSlv","johnpye/sunpos.a4c")
205 self.assertAlmostEqual( float(M.t_solar), M.t_solar.as("s"))
206 self.assertAlmostEqual( float(M.t_solar)/3600, M.t_solar.as("h"))
207
208
209 class TestCMSlv(AscendSelfTester):
210 def testheatex(self):
211 self._run('heatex',"CMSlv","heatex.a4c")
212 def testphaseeq(self):
213 self._run('phaseq',"CMSlv","phaseq.a4c")
214 def testpipeline(self):
215 self._run('pipeline',"CMSlv","pipeline.a4c"
216 ,{'infinity':3.2e9}
217 )
218 def testrachford(self):
219 self._run('rachford',"CMSlv","rachford.a4c")
220 def testlinmassbal(self):
221 self._run('linmassbal',"CMSlv","linmassbal.a4c")
222
223
224 class TestMatrix(AscendSelfTester):
225 def testlog10(self):
226 M = self._run('testlog10')
227 print M.getMatrix().write(sys.stderr,"mmio")
228
229
230 class TestIntegrator(Ascend):
231
232 def testListIntegrators(self):
233 I = ascpy.Integrator.getEngines()
234 s1 = sorted([str(i) for i in I.values()])
235 s2 = sorted(['IDA','LSODE','AWW'])
236 assert s1==s2
237
238 # this routine is reused by both testIDA and testLSODE
239 def _testIntegrator(self,integratorname):
240 self.L.load('johnpye/shm.a4c')
241 M = self.L.findType('shm').getSimulation('sim')
242 M.setSolver(ascpy.Solver('QRSlv'))
243 P = M.getParameters()
244 M.setParameter('feastol',1e-12)
245 print M.getChildren()
246 assert float(M.x) == 10.0
247 assert float(M.v) == 0.0
248 t_end = math.pi
249
250 I = ascpy.Integrator(M)
251 I.setReporter(ascpy.IntegratorReporterNull(I))
252 I.setEngine(integratorname);
253 I.setLinearTimesteps(ascpy.Units("s"), 0.0, t_end, 100);
254 I.setMinSubStep(0.0001); # these limits are required by IDA at present (numeric diff)
255 I.setMaxSubStep(0.1);
256 I.setInitialSubStep(0.001);
257 I.setMaxSubSteps(200);
258 if(integratorname=='IDA'):
259 I.setParameter('autodiff',False)
260 for p in M.getParameters():
261 print p.getName(),"=",p.getValue()
262 I.analyse();
263 I.solve();
264 print "At end of simulation,"
265 print "x = %f" % M.x
266 print "v = %f" % M.v
267 assert abs(float(M.x) + 10) < 1e-2
268 assert abs(float(M.v)) < 1e-2
269 assert I.getNumObservedVars() == 3
270
271 def testInvalidIntegrator(self):
272 self.L.load('johnpye/shm.a4c')
273 M = self.L.findType('shm').getSimulation('sim')
274 M.setSolver(ascpy.Solver('QRSlv'))
275 I = ascpy.Integrator(M)
276 try:
277 I.setEngine('___NONEXISTENT____')
278 except RuntimeError:
279 return
280 self.fail("setEngine did not raise error!")
281
282 def testLSODE(self):
283 self._testIntegrator('LSODE')
284
285 def testIDA(self):
286 self._testIntegrator('IDA')
287
288 def testparameters(self):
289 self.L.load('johnpye/shm.a4c')
290 M = self.L.findType('shm').getSimulation('sim')
291 M.build()
292 I = ascpy.Integrator(M)
293 I.setEngine('IDA')
294 P = I.getParameters()
295 for p in P:
296 print p.getName(),"=",p.getValue()
297 assert len(P)==12
298 assert P[0].isStr()
299 assert P[0].getName()=="linsolver"
300 assert P[0].getValue()=='SPGMR'
301 assert P[2].getName()=="maxord"
302 assert P[3].getName()=="autodiff"
303 assert P[3].getValue()==True
304 assert P[8].getName()=="atolvect"
305 assert P[8].getBoolValue() == True
306 P[3].setBoolValue(False)
307 assert P[3].getBoolValue()==False
308 I.setParameters(P)
309 assert I.getParameterValue('autodiff')==False
310 I.setParameter('autodiff',True)
311 try:
312 v = I.getParameterValue('nonexist')
313 except KeyError:
314 pass
315 else:
316 self.fail('Failed to trip invalid Integrator parameter')
317
318 class TestLSODE(Ascend):
319
320 def testzill(self):
321 self.L.load('johnpye/zill.a4c')
322 T = self.L.findType('zill')
323 M = T.getSimulation('sim')
324 M.setSolver(ascpy.Solver('QRSlv'))
325 I = ascpy.Integrator(M)
326 I.setEngine('LSODE')
327 I.setMinSubStep(1e-7)
328 I.setMaxSubStep(0.001)
329 I.setMaxSubSteps(10000)
330 I.setReporter(ascpy.IntegratorReporterConsole(I))
331 I.setLinearTimesteps(ascpy.Units(), 1.0, 1.5, 5)
332 I.analyse()
333 I.solve()
334 M.run(T.getMethod('self_test'))
335
336 def testnewton(self):
337 sys.stderr.write("STARTING TESTNEWTON\n")
338 self.L.load('johnpye/newton.a4c')
339 T = self.L.findType('newton')
340 M = T.getSimulation('sim')
341 M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter())
342 I = ascpy.Integrator(M)
343 I.setEngine('LSODE')
344 I.setParameter('rtolvect',False)
345 I.setParameter('rtol',1e-7)
346 I.setParameter('atolvect',False)
347 I.setParameter('atol',1e-7)
348 I.setMinSubStep(1e-7)
349 I.setMaxSubStep(0.001)
350 I.setMaxSubSteps(10000)
351
352 I.setReporter(ascpy.IntegratorReporterConsole(I))
353 I.setLinearTimesteps(ascpy.Units("s"), 0, 2*float(M.v)/float(M.g), 2)
354 I.analyse()
355 I.solve()
356 print "At end of simulation,"
357 print "x = %f" % M.x
358 print "v = %f" % M.v
359 M.run(T.getMethod('self_test'))
360
361 def testlotka(self):
362 self.L.load('johnpye/lotka.a4c')
363 M = self.L.findType('lotka').getSimulation('sim')
364 M.setSolver(ascpy.Solver("QRSlv"))
365 I = ascpy.Integrator(M)
366 I.setEngine('LSODE')
367 I.setReporter(ascpy.IntegratorReporterConsole(I))
368 I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5)
369 I.analyse()
370 print "Number of vars = %d" % I.getNumVars()
371 assert I.getNumVars()==2
372 I.solve()
373 assert I.getNumObservedVars() == 3;
374 assert abs(M.R - 832) < 1.0
375 assert abs(M.F - 21.36) < 0.1
376
377 #-------------------------------------------------------------------------------
378 # Testing of a external blackbox functions
379
380 class TestBlackBox(AscendSelfTester):
381 def testparsefail0(self):
382 try:
383 self.L.load('test/blackbox/parsefail0.a4c')
384 self.fail("parsefail0 should not have loaded without errors")
385 except:
386 pass
387
388 def testparsefail1(self):
389 try:
390 self.L.load('test/blackbox/parsefail1.a4c')
391 self.fail("parsefail1 should not have loaded without errors")
392 except:
393 pass
394
395 def testparsefail2(self):
396 try:
397 self.L.load('test/blackbox/parsefail2.a4c')
398 self.fail("parsefail2 should not have loaded without errors")
399 except:
400 pass
401
402 def testparsefail3(self):
403 try:
404 self.L.load('test/blackbox/parsefail3.a4c')
405 self.fail("parsefail3 should not have loaded without errors")
406 except:
407 pass
408
409 def testparsefail4(self):
410 try:
411 self.L.load('test/blackbox/parsefail4.a4c')
412 self.fail("parsefail4 should not have loaded")
413 except:
414 pass
415
416 def testfail1(self):
417 """Mismatched arg counts check-- tests bbox, not ascend."""
418 self.L.load('test/blackbox/fail1.a4c')
419 try:
420 M = self.L.findType('fail1').getSimulation('sim')
421 self.fail("expected exception was not raised")
422 except RuntimeError,e:
423 print "Caught exception '%s', assumed ok" % e
424
425 def testfail2(self):
426 """Incorrect data arg check -- tests bbox, not ascend"""
427 self.L.load('test/blackbox/fail2.a4c')
428 try:
429 M = self.L.findType('fail2').getSimulation('sim')
430 self.fail("expected exception was not raised")
431 except RuntimeError,e:
432 print "Caught exception '%s', assumed ok (should mention errors during instantiation)" % e
433
434 def testpass1(self):
435 """simple single bbox forward solve"""
436 M = self._run('pass1',filename='test/blackbox/pass.a4c')
437
438 def testpass2(self):
439 """simple single bbox reverse solve"""
440 M = self._run('pass2',filename='test/blackbox/pass.a4c')
441
442 def testpass3(self):
443 """simple double bbox solve"""
444 M = self._run('pass3',filename='test/blackbox/pass3.a4c')
445
446 def testpass4(self):
447 """simple double bbox reverse solve"""
448 M = self._run('pass4',filename='test/blackbox/pass3.a4c')
449
450 def testpass5(self):
451 M = self._run('pass5',filename='test/blackbox/pass5.a4c')
452
453 def testpass6(self):
454 M = self._run('pass6',filename='test/blackbox/pass5.a4c')
455
456 def testpass7(self):
457 M = self._run('pass7',filename='test/blackbox/passmerge.a4c')
458
459 def testpass8(self):
460 M = self._run('pass8',filename='test/blackbox/passmerge.a4c')
461
462 def testpass9(self):
463 M = self._run('pass9',filename='test/blackbox/passmerge.a4c')
464
465 def testpass10(self):
466 M = self._run('pass10',filename='test/blackbox/passmerge.a4c')
467
468 def testpass11(self):
469 M = self._run('pass11',filename='test/blackbox/passmerge.a4c')
470
471 def testpass12(self):
472 M = self._run('pass12',filename='test/blackbox/passmerge.a4c')
473
474 # this test doesn't work: 'system is inconsistent' -- and structurally singular
475 # def testpass13(self):
476 # """cross-merged input/output solve"""
477 # M = self._run('pass13',filename='test/blackbox/passmerge.a4c')
478
479 def testpass14(self):
480 """cross-merged input/output reverse solve"""
481 M = self._run('pass14',filename='test/blackbox/passmerge.a4c')
482
483 def testpass20(self):
484 M = self._run('pass20',filename='test/blackbox/passarray.a4c')
485
486 def testparsefail21(self):
487 """dense array of black boxes wrong syntax"""
488 try:
489 self.L.load('test/blackbox/parsefail21.a4c')
490 self.fail("parsefail21 should not have loaded without errors")
491 except:
492 pass
493
494 def testpass22(self):
495 M = self._run('pass22',filename='test/blackbox/passarray.a4c')
496
497 def testpass23(self):
498 M = self._run('pass23',filename='test/blackbox/passarray.a4c')
499
500 def testpass61(self):
501 M = self._run('pass61',filename='test/blackbox/reinstantiate.a4c')
502
503 def testpass62(self):
504 M = self._run('pass62',filename='test/blackbox/reinstantiate.a4c')
505
506 def testpass64(self):
507 M = self._run('pass64',filename='test/blackbox/reinstantiate.a4c')
508
509 def testpass65(self):
510 M = self._run('pass65',filename='test/blackbox/reinstantiate.a4c')
511
512 def testpass66(self):
513 M = self._run('pass66',filename='test/blackbox/reinstantiate.a4c')
514
515 def testpass67(self):
516 M = self._run('pass67',filename='test/blackbox/reinstantiate.a4c')
517
518 class TestExtFn(AscendSelfTester):
519 def testextfntest(self):
520 M = self._run('extfntest',filename='johnpye/extfn/extfntest.a4c')
521 self.assertAlmostEqual(M.y, 2);
522 self.assertAlmostEqual(M.x, 1);
523 self.assertAlmostEqual(M.y, M.x + 1);
524
525 def testextrelfor(self):
526 M = self._run('extrelfor',filename='johnpye/extfn/extrelfor.a4c')
527
528 ## @TODO fix bug with badly-named bbox rel in a loop (Ben, maybe)
529 # def testextrelforbadnaming(self):
530 # self.L.load('johnpye/extfn/extrelforbadnaming.a4c')
531 # T = self.L.findType('extrelfor')
532 # M = T.getSimulation('sim')
533 # M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
534 # print "x[1] = %f" % M.x[1]
535 # print "x[2] = %f" % M.x[2]
536 # print "x[3] = %f" % M.x[3]
537 # print "x[4] = %f" % M.x[4]
538 # print "x[5] = %f" % M.x[5]
539 # M.run(T.getMethod('self_test'))
540
541 def testextrelrepeat(self):
542 M = self._run('extrelrepeat',filename='johnpye/extfn/extrelrepeat.a4c')
543
544 #-------------------------------------------------------------------------------
545 # Testing of Sensitivity module
546
547 class TestSensitivity(AscendSelfTester):
548 def test1(self):
549 self.L.load('sensitivity_test.a4c')
550 T = self.L.findType('sensitivity_test')
551 M = T.getSimulation('sim',False)
552 M.run(T.getMethod('on_load'))
553 M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
554 M.run(T.getMethod('analyse'))
555 M.run(T.getMethod('self_test'))
556
557 # def testall(self):
558 # self.L.load('sensitivity_test.a4c')
559 # T = self.L.findType('sensitivity_test_all')
560 # M = T.getSimulation('sim',False)
561 # M.run(T.getMethod('on_load'))
562 # M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
563 # M.run(T.getMethod('analyse'))
564 # M.run(T.getMethod('self_test'))
565 # CAUSES CRASH
566
567 #-------------------------------------------------------------------------------
568 # Testing of a ExtPy - external python methods
569
570 class TestExtPy(AscendSelfTester):
571 def test1(self):
572 self.L.load('johnpye/extpy/extpytest.a4c')
573 T = self.L.findType('extpytest')
574 M = T.getSimulation('sim')
575 M.run(T.getMethod('self_test'))
576
577 def test2(self):
578 self.L.load('johnpye/extpy/extpytest.a4c')
579 T = self.L.findType('extpytest')
580 M = T.getSimulation('sim')
581 M.run(T.getMethod('pythonthing'))
582 M.run(T.getMethod('pythonthing'))
583 M.run(T.getMethod('pythonthing'))
584 M.run(T.getMethod('pythonthing'))
585 M.run(T.getMethod('pythonthing'))
586 M.run(T.getMethod('pythonthing'))
587 M.run(T.getMethod('pythonthing'))
588 # causes crash!
589
590 #-------------------------------------------------------------------------------
591 # Testing of saturated steam properties library (iapwssatprops.a4c)
592
593 class TestSteam(AscendSelfTester):
594
595 def testiapwssatprops1(self):
596 M = self._run('testiapwssatprops1',filename='steam/iapwssatprops.a4c')
597 def testiapwssatprops2(self):
598 M = self._run('testiapwssatprops2',filename='steam/iapwssatprops.a4c')
599 def testiapwssatprops3(self):
600 M = self._run('testiapwssatprops3',filename='steam/iapwssatprops.a4c')
601
602 # test the stream model basically works
603 def testsatsteamstream(self):
604 M = self._run('satsteamstream',filename='steam/satsteamstream.a4c')
605
606 # test that we can solve in terms of various (rho,u)
607 def testsatuv(self):
608 self.L.load('steam/iapwssat.a4c')
609 T = self.L.findType('testiapwssatuv')
610 M = T.getSimulation('sim',False)
611 M.run(T.getMethod('on_load'))
612 M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
613 print "p = %f bar" % M.p.as('bar');
614 print "T = %f C" % (M.T.as('K') - 273.15);
615 print "x = %f" % M.x;
616 M.run(T.getMethod('self_test'))
617 M.run(T.getMethod('values2'))
618 # M.v.setRealValueWithUnits(1.0/450,"m^3/kg");
619 # M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
620 M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
621 print "p = %f bar" % M.p.as('bar');
622 print "T = %f C" % (M.T.as('K') - 273.15);
623 print "x = %f" % M.x;
624 M.run(T.getMethod('self_test2'))
625
626
627 ## @TODO fix error capture from bounds checking during initialisation
628 # def testiapwssat1(self):
629 # M = self._run('testiapwssat1',filename='steam/iapwssat.a4c')
630
631 def testdsgsat(self):
632 self.L.load('steam/dsgsat3.a4c')
633 T = self.L.findType('dsgsat3')
634 M = T.getSimulation('sim',False)
635 M.run(T.getMethod('on_load'))
636 M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
637 self.assertAlmostEqual(M.dTw_dt[2],0.0);
638 M.run(T.getMethod('configure_dynamic'))
639 M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
640 return M
641
642 def testdsgsatrepeat(self):
643 self.L.load('steam/dsgsat3.a4c')
644 T = self.L.findType('dsgsat3')
645 M = T.getSimulation('sim',False)
646 M.run(T.getMethod('on_load'))
647 M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
648 M.run(T.getMethod('on_load'))
649 M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
650 M.run(T.getMethod('on_load'))
651 M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
652
653 def testvary(self):
654 self.L.load('steam/dsgsat3.a4c')
655 T = self.L.findType('dsgsat3')
656 M = T.getSimulation('sim',False)
657 M.run(T.getMethod('on_load'))
658 M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
659 print "----- setting qdot_s -----"
660 M.qdot_s.setRealValueWithUnits(1000,"W/m")
661 M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
662 print "----- setting qdot_s -----"
663 M.qdot_s.setRealValueWithUnits(2000,"W/m")
664 M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
665
666 def teststeadylsode(self):
667 "test that steady conditions are stable with LSODE"
668 M = self.testdsgsat()
669 #M.qdot_s.setRealValueWithUnits(1000,"W/m")
670 M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
671 #M.setParameter('
672 I = ascpy.Integrator(M)
673 I.setEngine('LSODE')
674 I.setReporter(ascpy.IntegratorReporterConsole(I))
675 I.setLinearTimesteps(ascpy.Units("s"), 0, 3600, 10)
676 I.analyse()
677 I.solve()
678
679 # DOESN'T CONVERGE
680 # def testpeturblsode(self):
681 # "test that steady conditions are stable with LSODE"
682 # M = self.testdsgsat()
683 # # here is the peturbation...
684 # M.qdot_s.setRealValueWithUnits(1000,"W/m")
685 # M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
686 # I = ascpy.Integrator(M)
687 # I.setEngine('LSODE')
688 # I.setReporter(ascpy.IntegratorReporterConsole(I))
689 # I.setLinearTimesteps(ascpy.Units("s"), 0, 5, 1)
690 # I.analyse()
691 # I.solve()
692
693 def teststeadyida(self):
694 M = self.testdsgsat()
695 self.assertAlmostEqual(M.dTw_dt[2],0.0)
696 Tw1 = float(M.T_w[2])
697 T = self.L.findType('dsgsat3')
698 M.run(T.getMethod('free_states'))
699 I = ascpy.Integrator(M)
700 I.setEngine('IDA')
701 I.setParameter('linsolver','DENSE')
702 I.setParameter('safeeval',True)
703 I.setParameter('rtol',1e-4)
704 I.setParameter('atolvect',False)
705 I.setParameter('atol',1e-4)
706 I.setParameter('maxord',3)
707 I.setInitialSubStep(0.001)
708 I.setReporter(ascpy.IntegratorReporterConsole(I))
709 I.setLinearTimesteps(ascpy.Units("s"), 0, 3600, 10)
710 I.analyse()
711 I.solve()
712 self.assertAlmostEqual(float(M.T_w[2]),Tw1)
713 M.qdot_s.setRealValueWithUnits(1000,"W/m")
714 self.assertAlmostEqual(M.qdot_s.as("W/m"),1000)
715 M.solve(ascpy.Solver('QRSlv'),ascpy.SolverReporter())
716 print "dTw/dt = %f" % M.dTw_dt[2]
717 self.assertNotAlmostEqual(M.dTw_dt[2],0.0)
718
719 def testpeturbida(self):
720 M = self.testdsgsat()
721 self.assertAlmostEqual(M.dTw_dt[2],0.0)
722 T = self.L.findType('dsgsat3')
723 M.run(T.getMethod('free_states'))
724 # here is the peturbation...
725 M.qdot_s.setRealValueWithUnits(6000,"W/m")
726 # IDA has its own initial conditions solver, so no need to call QRSlv here
727 I = ascpy.Integrator(M)
728 I.setEngine('IDA')
729 I.setParameter('linsolver','DENSE')
730 I.setParameter('safeeval',True)
731 I.setParameter('rtol',1e-4)
732 I.setParameter('atolvect',False)
733 I.setParameter('atol',1e-4)
734 I.setParameter('maxord',3)
735 I.setInitialSubStep(0.001)
736 I.setReporter(ascpy.IntegratorReporterConsole(I))
737 I.setLogTimesteps(ascpy.Units("s"), 0.001, 3600, 40)
738 I.analyse()
739 I.solve()
740
741 #-------------------------------------------------------------------------------
742 # Testing of freesteam external steam properties functions
743
744 with_freesteam = True
745 try:
746 # we assume that if the freesteam python module is installed, the ASCEND
747 # external library will also be.
748 import freesteam
749 have_freesteam = True
750 except ImportError,e:
751 have_freesteam = False
752
753 if with_freesteam and have_freesteam:
754 class TestFreesteam(AscendSelfTester):
755 # def testfreesteamtest(self):
756 # """run the self-test cases bundled with freesteam"""
757 # self._run('testfreesteam',filename='testfreesteam.a4c')
758
759 def testload(self):
760 """check that we can load 'thermalequilibrium2' (IMPORT "freesteam", etc)"""
761 self.L.load('johnpye/thermalequilibrium2.a4c')
762
763 def testinstantiate(self):
764 """load an instantiate 'thermalequilibrium2'"""
765 self.testload()
766 M = self.L.findType('thermalequilibrium2').getSimulation('sim')
767 return M
768
769 def testintegrate(self):
770 """integrate transfer of heat from one mass of water/steam to another
771 according to Newton's law of cooling"""
772 M = self.testinstantiate()
773 M.setSolver(ascpy.Solver("QRSlv"))
774 I = ascpy.Integrator(M)
775 I.setEngine('LSODE')
776 I.setReporter(ascpy.IntegratorReporterConsole(I))
777 I.setLinearTimesteps(ascpy.Units("s"), 0, 3000, 30)
778 I.setMinSubStep(0.01)
779 I.setInitialSubStep(1)
780 I.analyse()
781 print "Number of vars = %d" % I.getNumVars()
782 assert I.getNumVars()==2
783 I.solve()
784 assert I.getNumObservedVars() == 3;
785 print "S[1].T = %f K" % M.S[1].T
786 print "S[2].T = %f K" % M.S[2].T
787 print "Q = %f W" % M.Q
788 self.assertAlmostEqual(float(M.S[1].T),506.77225109,4);
789 self.assertAlmostEqual(float(M.S[2].T),511.605173967,5);
790 self.assertAlmostEqual(float(M.Q),-48.32922877329,3);
791 self.assertAlmostEqual(float(M.t),3000);
792 print "Note that the above values have not been verified analytically"
793
794 def testcollapsingcan2(self):
795 """ solve the collapsing can model using IAPWS-IF97 steam props """
796 M = self._run("collapsingcan2",filename="collapsingcan2.a4c");
797
798 #-------------------------------------------------------------------------------
799 # Testing of IDA's analysis module
800
801 class TestIDA(Ascend):
802 def _run(self,filen,modeln=""):
803 self.L.load('test/ida/%s.a4c' % filen)
804 T = self.L.findType('%s%s' % (filen,modeln))
805 M = T.getSimulation('sim')
806 M.build()
807 I = ascpy.Integrator(M)
808 I.setEngine('IDA')
809 I.analyse()
810 return M;
811
812 def _runfail(self,filen,n,msg="failed"):
813 try:
814 self._run(filen,'fail%d' % n)
815 except Exception,e:
816 print "(EXPECTED) ERROR: %s" % e
817 return
818 self.fail(msg)
819
820 def testsinglederiv(self):
821 self._run('singlederiv')
822
823 def testsinglederivfail1(self):
824 self._runfail('singlederiv',1
825 ,"t.ode_id=-1 did not trigger error")
826
827 def testsinglederivfail2(self):
828 self._runfail('singlederiv',2
829 ,"dy_dt.ode_id=2 did not trigger error")
830
831 def testsinglederivfail3(self):
832 self._runfail('singlederiv',3
833 ,"dy_dt.ode_type=3 did not trigger error")
834
835 def testsinglederivfail4(self):
836 self._runfail('singlederiv',4
837 ,"duplicate ode_type=1 did not trigger error")
838
839 def testsinglederivfail5(self):
840 self._runfail('singlederiv',5
841 ,"duplicate ode_type=1 did not trigger error")
842
843 def testsinglederivfail6(self):
844 self._runfail('singlederiv',6
845 ,"duplicate ode_type=1 did not trigger error")
846
847 def testtwoderiv(self):
848 self._run('twoderiv')
849
850 def testtwoderivfail1(self):
851 self._runfail('twoderiv',1)
852
853 def testtwoderivfail2(self):
854 self._runfail('twoderiv',2)
855
856 def testtwoderivfail3(self):
857 self._runfail('twoderiv',3)
858 def testtwoderivfail4(self):
859 self._runfail('twoderiv',4)
860 def testtwoderivfail5(self):
861 self._runfail('twoderiv',5)
862
863 def testnoderivs(self):
864 self._runfail('noderivs',1)
865
866 def testnoindeps(self):
867 self._runfail('indeps',1)
868
869 def testtwoindeps(self):
870 self._runfail('indeps',2)
871
872 def testfixedvars(self):
873 self._run('fixedvars')
874
875 def testfixedvars1(self):
876 self._run('fixedvars',1)
877
878 def testfixedvars2(self):
879 self._run('fixedvars',2)
880
881 def testfixedvars3(self):
882 self._run('fixedvars',3)
883
884 def testincidence(self):
885 self._run('incidence')
886
887 def testincidence1(self):
888 self._run('incidence',1)
889 def testincidence2(self):
890 self._run('incidence',2)
891 def testincidence3(self):
892 M = self._run('incidence',3)
893
894 def testincidence4(self):
895 self._run('incidence',4)
896 def testincidencefail5(self):
897 self._runfail('incidence',5)
898
899 # doesn't work yet:
900 # def testincidence5(self):
901 # self._run('incidence',5)
902
903
904 #-------------------------------------------------------------------------------
905 # Testing of IDA models using DENSE linear solver
906
907 class TestIDADENSE(Ascend):
908 """IDA DAE integrator, DENSE linear solver"""
909
910 def testlotka(self):
911 self.L.load('johnpye/lotka.a4c')
912 M = self.L.findType('lotka').getSimulation('sim')
913 M.setSolver(ascpy.Solver("QRSlv"))
914 I = ascpy.Integrator(M)
915 I.setEngine('IDA')
916 I.setReporter(ascpy.IntegratorReporterConsole(I))
917 I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5);
918 I.setParameter('linsolver','DENSE')
919 I.setParameter('rtol',1e-8);
920 I.analyse()
921 assert I.getNumVars()==2
922 assert abs(M.R - 1000) < 1e-300
923 I.solve()
924 assert I.getNumObservedVars() == 3
925 assert abs(M.R - 832) < 1.0
926 assert abs(M.F - 21.36) < 0.1
927
928 def testdenx(self):
929 print "-----------------------------====="
930 self.L.load('johnpye/idadenx.a4c')
931 M = self.L.findType('idadenx').getSimulation('sim')
932 M.setSolver(ascpy.Solver("QRSlv"))
933 I = ascpy.Integrator(M)
934 I.setEngine('IDA')
935 I.setParameter('calcic','YA_YDP')
936 I.setParameter('linsolver','DENSE')
937 I.setParameter('safeeval',True)
938 I.setReporter(ascpy.IntegratorReporterConsole(I))
939 I.setLogTimesteps(ascpy.Units("s"), 0.4, 4e10, 11)
940 I.setMaxSubStep(0);
941 I.setInitialSubStep(0)
942 I.setMaxSubSteps(0)
943 I.setParameter('autodiff',True)
944 I.analyse()
945 I.solve()
946 assert abs(float(M.y1) - 5.1091e-08) < 2e-9
947 assert abs(float(M.y2) - 2.0437e-13) < 2e-14
948 assert abs(float(M.y3) - 1.0) < 1e-5
949
950 def testhires(self):
951 self.L.load('test/hires.a4c')
952 T = self.L.findType('hires')
953 M = T.getSimulation('sim')
954 M.setSolver(ascpy.Solver('QRSlv'))
955 I = ascpy.Integrator(M)
956 I.setEngine('IDA')
957 I.setParameter('linsolver','DENSE')
958 I.setParameter('rtol',1.1e-15)
959 I.setParameter('atolvect',0)
960 I.setParameter('atol',1.1e-15)
961 I.setReporter(ascpy.IntegratorReporterConsole(I))
962 I.setLogTimesteps(ascpy.Units(""), 1, 321.8122, 5)
963 I.setInitialSubStep(1e-5)
964 I.setMaxSubSteps(10000)
965 I.analyse()
966 I.solve()
967 for i in range(8):
968 print "y[%d] = %.20g" % (i+1, M.y[i+1])
969 M.run(T.getMethod('self_test'))
970
971 def testchemakzo(self):
972 self.L.load('test/chemakzo.a4c')
973 T = self.L.findType('chemakzo')
974 M = T.getSimulation('sim')
975 M.setSolver(ascpy.Solver('QRSlv'))
976 I = ascpy.Integrator(M)
977 I.setEngine('IDA')
978 I.setParameter('linsolver','DENSE')
979 I.setParameter('rtol',1e-15)
980 I.setParameter('atolvect',0)
981 I.setParameter('atol',1e-15)
982 I.setReporter(ascpy.IntegratorReporterConsole(I))
983 I.setLinearTimesteps(ascpy.Units("s"), 1, 180, 5)
984 I.setInitialSubStep(1e-13)
985 I.setMaxSubSteps(10000)
986 I.analyse()
987 I.solve()
988 for i in range(6):
989 print "y[%d] = %.20g" % (i+1, M.y[i+1])
990 M.run(T.getMethod('self_test'))
991
992 def testtransamp(self):
993 self.L.load('test/transamp.a4c')
994 T = self.L.findType('transamp')
995 M = T.getSimulation('sim')
996 M.setSolver(ascpy.Solver('QRSlv'))
997 I = ascpy.Integrator(M)
998 I.setEngine('IDA')
999 I.setParameter('linsolver','DENSE')
1000 I.setParameter('rtol',1e-7)
1001 I.setParameter('atolvect',0)
1002 I.setParameter('atol',1e-7)
1003 I.setReporter(ascpy.IntegratorReporterConsole(I))
1004 I.setLinearTimesteps(ascpy.Units("s"), 0.05, 0.2, 20)
1005 I.setInitialSubStep(0.00001)
1006 I.setMaxSubSteps(10000)
1007 I.analyse()
1008 I.solve()
1009 for i in range(6):
1010 print "y[%d] = %.20g" % (i+1, M.y[i+1])
1011 M.run(T.getMethod('self_test'))
1012
1013 # MODEL FAILS ANALYSIS: we need to add support for non-incident differential vars
1014 # def testpollution(self):
1015 # self.L.load('test/pollution.a4c')
1016 # T = self.L.findType('pollution')
1017 # M = T.getSimulation('sim')
1018 # M.setSolver(ascpy.Solver('QRSlv'))
1019 # I = ascpy.Integrator(M)
1020 # I.setEngine('IDA')
1021 # I.setParameter('linsolver','DENSE')
1022 # I.setParameter('rtol',1.1e-15)
1023 # I.setParameter('atolvect',0)
1024 # I.setParameter('atol',1.1e-15)
1025 # I.setReporter(ascpy.IntegratorReporterConsole(I))
1026 # I.setLogTimesteps(ascpy.Units("s"), 1, 60, 5)
1027 # I.setInitialSubStep(1e-5)
1028 # I.setMaxSubSteps(10000)
1029 # I.analyse()
1030 # I.solve()
1031 # for i in range(20):
1032 # print "y[%d] = %.20g" % (i+1, M.y[i+1])
1033 # M.run(T.getMethod('self_test'))
1034
1035 ## @TODO fails during IDACalcIC (model too big?)
1036 # def testkryx(self):
1037 # self.L.load('johnpye/idakryx.a4c')
1038 # ascpy.getCompiler().setUseRelationSharing(False)
1039 # M = self.L.findType('idakryx').getSimulation('sim')
1040 # M.setSolver(ascpy.Solver('QRSlv'))
1041 # M.build()
1042 # I = ascpy.Integrator(M)
1043 # I.setEngine('IDA')
1044 # I.setReporter(ascpy.IntegratorReporterConsole(I))
1045 # I.setParameter('linsolver','DENSE')
1046 # I.setParameter('maxl',8)
1047 # I.setParameter('gsmodified',False)
1048 # I.setParameter('autodiff',True)
1049 # I.setParameter('rtol',0)
1050 # I.setParameter('atol',1e-3);
1051 # I.setParameter('atolvect',False)
1052 # I.setParameter('calcic','YA_YDP')
1053 # I.analyse()
1054 # I.setLogTimesteps(ascpy.Units("s"), 0.01, 10.24, 11)
1055 # I.solve()
1056 # assert abs(M.u[2][2].getValue()) < 1e-5
1057
1058 #-------------------------------------------------------------------------------
1059 # Testing of IDA models using SPGMR linear solver (Krylov)
1060
1061 # these tests are disabled until SPGMR preconditioning has been implemented
1062 class TestIDASPGMR:#(Ascend):
1063 def testlotka(self):
1064 self.L.load('johnpye/lotka.a4c')
1065 M = self.L.findType('lotka').getSimulation('sim')
1066 M.setSolver(ascpy.Solver("QRSlv"))
1067 I = ascpy.Integrator(M)
1068 I.setEngine('IDA')
1069 I.setReporter(ascpy.IntegratorReporterConsole(I))
1070 I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5)
1071 I.setParameter('rtol',1e-8)
1072 I.analyse()
1073 assert I.getNumVars()==2
1074 assert abs(M.R - 1000) < 1e-300
1075 I.solve()
1076 assert I.getNumObservedVars() == 3
1077 assert abs(M.R - 832) < 1.0
1078 assert abs(M.F - 21.36) < 0.1
1079
1080
1081 def testkryx(self):
1082 self.L.load('johnpye/idakryx.a4c')
1083 M = self.L.findType('idakryx').getSimulation('sim')
1084 M.build()
1085 I = ascpy.Integrator(M)
1086 I.setEngine('IDA')
1087 I.setReporter(ascpy.IntegratorReporterConsole(I))
1088 I.setParameter('linsolver','SPGMR')
1089 I.setParameter('prec','JACOBI')
1090 I.setParameter('maxl',8)
1091 I.setParameter('gsmodified',False)
1092 I.setParameter('autodiff',True)
1093 I.setParameter('gsmodified',True)
1094 I.setParameter('rtol',0)
1095 I.setParameter('atol',1e-3);
1096 I.setParameter('atolvect',False)
1097 I.setParameter('calcic','Y')
1098 I.analyse()
1099 I.setLogTimesteps(ascpy.Units("s"), 0.01, 10.24, 10);
1100 print M.udot[1][3]
1101 I.solve()
1102 assert 0
1103
1104 def testzill(self):
1105 self.L.load('johnpye/zill.a4c')
1106 T = self.L.findType('zill')
1107 M = T.getSimulation('sim')
1108 M.setSolver(ascpy.Solver('QRSlv'))
1109 I = ascpy.Integrator(M)
1110 I.setEngine('IDA')
1111 I.setParameter('safeeval',False)
1112 I.setMinSubStep(1e-7)
1113 I.setMaxSubStep(0.001)
1114 I.setMaxSubSteps(10000)
1115 I.setReporter(ascpy.IntegratorReporterConsole(I))
1116 I.setLinearTimesteps(ascpy.Units(), 1.0, 1.5, 5)
1117 I.analyse()
1118 I.solve()
1119 M.run(T.getMethod('self_test'))
1120
1121 def testdenxSPGMR(self):
1122 self.L.load('johnpye/idadenx.a4c')
1123 M = self.L.findType('idadenx').getSimulation('sim')
1124 M.setSolver(ascpy.Solver('QRSlv'))
1125 I = ascpy.Integrator(M)
1126 I.setEngine('IDA')
1127 I.setReporter(ascpy.IntegratorReporterConsole(I))
1128 I.setLogTimesteps(ascpy.Units("s"), 0.4, 4e10, 11)
1129 I.setMaxSubStep(0);
1130 I.setInitialSubStep(0);
1131 I.setMaxSubSteps(0);
1132 I.setParameter('autodiff',True)
1133 I.setParameter('linsolver','SPGMR')
1134 I.setParameter('gsmodified',False)
1135 I.setParameter('maxncf',10)
1136 I.analyse()
1137 I.solve()
1138 assert abs(float(M.y1) - 5.1091e-08) < 1e-10
1139 assert abs(float(M.y2) - 2.0437e-13) < 1e-15
1140 assert abs(float(M.y3) - 1.0) < 1e-5
1141
1142 # move code above down here if you want to temporarily avoid testing it
1143 class NotToBeTested:
1144 def nothing(self):
1145 pass
1146
1147 def testnewton(self):
1148 sys.stderr.write("STARTING TESTNEWTON\n")
1149 self.L.load('johnpye/newton.a4c')
1150 T = self.L.findType('newton')
1151 M = T.getSimulation('sim')
1152 M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter())
1153 I = ascpy.Integrator(M)
1154 I.setEngine('IDA')
1155 I.setParameter('linsolver','DENSE')
1156 I.setParameter('safeeval',True)
1157 I.setParameter('rtol',1e-8)
1158 I.setMaxSubStep(0.001)
1159 I.setMaxSubSteps(10000)
1160
1161 I.setReporter(ascpy.IntegratorReporterConsole(I))
1162 I.setLinearTimesteps(ascpy.Units("s"), 0, 2*float(M.v)/float(M.g), 2)
1163 I.analyse()
1164 I.solve()
1165 print "At end of simulation,"
1166 print "x = %f" % M.x
1167 print "v = %f" % M.v
1168 M.run(T.getMethod('self_test'))
1169
1170 if __name__=='__main__':
1171 # a whole bag of tricks to make sure we get the necessary dirs in our ascend, python and ld path vars
1172 restart = 0
1173
1174 if platform.system()=="Windows":
1175 LD_LIBRARY_PATH="PATH"
1176 SEP = ";"
1177 else:
1178 LD_LIBRARY_PATH="LD_LIBRARY_PATH"
1179 SEP = ":"
1180
1181 freesteamdir = os.path.expanduser("~/freesteam/ascend")
1182 modeldirs = [os.path.abspath(os.path.join(sys.path[0],"models")),os.path.abspath(freesteamdir)]
1183 if not os.environ.get('ASCENDLIBRARY'):
1184 os.environ['ASCENDLIBRARY'] = SEP.join(modeldirs)
1185 restart = 1
1186 else:
1187 envmodelsdir = [os.path.abspath(i) for i in os.environ['ASCENDLIBRARY'].split(SEP)]
1188 for l in modeldirs:
1189 if l in envmodelsdir[len(modeldirs):]:
1190 envmodelsdir.remove(l)
1191 restart = 1
1192 for l in modeldirs:
1193 if l not in envmodelsdir:
1194 envmodelsdir.insert(0,l)
1195 restart = 1
1196 os.environ['ASCENDLIBRARY'] = SEP.join(envmodelsdir)
1197
1198 libdirs = ["pygtk","."]
1199 libdirs = [os.path.normpath(os.path.join(sys.path[0],l)) for l in libdirs]
1200 if not os.environ.get(LD_LIBRARY_PATH):
1201 os.environ[LD_LIBRARY_PATH]=SEP.join(libdirs)
1202 restart = 1
1203 else:
1204 envlibdirs = [os.path.normpath(i) for i in os.environ[LD_LIBRARY_PATH].split(SEP)]
1205 for l in libdirs:
1206 if l in envlibdirs[len(libdirs):]:
1207 envlibdirs.remove(l)
1208 restart = 1
1209 for l in libdirs:
1210 if l not in envlibdirs:
1211 envlibdirs.insert(0,l)
1212 restart = 1
1213 os.environ[LD_LIBRARY_PATH] = SEP.join(envlibdirs)
1214
1215 pypath = os.path.normpath(os.path.join(sys.path[0],"pygtk"))
1216 if not os.environ.get('PYTHONPATH'):
1217 os.environ['PYTHONPATH']=pypath
1218 else:
1219 envpypath = os.environ['PYTHONPATH'].split(SEP)
1220 if pypath not in envpypath:
1221 envpypath.insert(0,pypath)
1222 os.environ['PYTHONPATH']=SEP.join(envpypath)
1223 restart = 1
1224
1225 if restart:
1226 script = os.path.join(sys.path[0],"test.py")
1227 print "Restarting with..."
1228 print " export LD_LIBRARY_PATH=%s" % os.environ.get(LD_LIBRARY_PATH)
1229 print " export PYTHONPATH=%s" % os.environ.get('PYTHONPATH')
1230 print " export ASCENDLIBRARY=%s" % os.environ.get('ASCENDLIBRARY')
1231
1232 os.execvp("python",[script] + sys.argv)
1233
1234 import ascpy
1235
1236 try:
1237 import cunit
1238 except:
1239 pass
1240
1241 atexit.register(ascpy.shutdown)
1242 #suite = unittest.TestSuite()
1243 #suite = unittest.defaultTestLoader.loadTestsFromName('__main__')
1244 #unittest.TextTestRunner(verbosity=2).run(suite)
1245 unittest.main()

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john.pye@anu.edu.au
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