| 1 |
import unittest |
| 2 |
import ascpy |
| 3 |
import math |
| 4 |
import os, subprocess, sys |
| 5 |
import atexit |
| 6 |
import cunit |
| 7 |
|
| 8 |
class Ascend(unittest.TestCase): |
| 9 |
|
| 10 |
def setUp(self): |
| 11 |
import ascpy |
| 12 |
self.L = ascpy.Library() |
| 13 |
|
| 14 |
def tearDown(self): |
| 15 |
self.L.clear() |
| 16 |
del self.L |
| 17 |
|
| 18 |
class TestCompiler(Ascend): |
| 19 |
|
| 20 |
def testloading(self): |
| 21 |
pass |
| 22 |
|
| 23 |
def testsystema4l(self): |
| 24 |
self.L.load('system.a4l') |
| 25 |
|
| 26 |
def testatomsa4l(self): |
| 27 |
self.L.load('atoms.a4l') |
| 28 |
|
| 29 |
class TestSolver(Ascend): |
| 30 |
|
| 31 |
def _run(self,modelname,solvername="QRSlv",filename=None): |
| 32 |
if filename==None: |
| 33 |
filename = 'johnpye/%s.a4c' % modelname |
| 34 |
self.L.load(filename) |
| 35 |
T = self.L.findType(modelname) |
| 36 |
M = T.getSimulation('sim') |
| 37 |
M.build() |
| 38 |
M.solve(ascpy.Solver(solvername),ascpy.SolverReporter()) |
| 39 |
M.run(T.getMethod('self_test')) |
| 40 |
|
| 41 |
def testlog10(self): |
| 42 |
self._run('testlog10') |
| 43 |
|
| 44 |
def testconopt(self): |
| 45 |
self._run('testconopt',"CONOPT") |
| 46 |
|
| 47 |
def testcmslv2(self): |
| 48 |
self._run('testcmslv2',"CMSlv") |
| 49 |
|
| 50 |
def testsunpos1(self): |
| 51 |
self._run('example_1_6_1',"QRSlv","johnpye/sunpos.a4c") |
| 52 |
|
| 53 |
def testsunpos2(self): |
| 54 |
self._run('example_1_6_2',"QRSlv","johnpye/sunpos.a4c") |
| 55 |
|
| 56 |
def testsunpos3(self): |
| 57 |
self._run('example_1_7_1',"QRSlv","johnpye/sunpos.a4c") |
| 58 |
|
| 59 |
def testsunpos4(self): |
| 60 |
self._run('example_1_7_2',"QRSlv","johnpye/sunpos.a4c") |
| 61 |
|
| 62 |
def testsunpos5(self): |
| 63 |
self._run('example_1_7_3',"QRSlv","johnpye/sunpos.a4c") |
| 64 |
|
| 65 |
def testsunpos6(self): |
| 66 |
self._run('example_1_8_1',"QRSlv","johnpye/sunpos.a4c") |
| 67 |
|
| 68 |
class TestIntegrator(Ascend): |
| 69 |
|
| 70 |
def testListIntegrators(self): |
| 71 |
I = ascpy.Integrator.getEngines() |
| 72 |
s1 = sorted([str(i) for i in I.values()]) |
| 73 |
s2 = sorted(['IDA','LSODE','AWW']) |
| 74 |
assert s1==s2 |
| 75 |
|
| 76 |
# this routine is reused by both testIDA and testLSODE |
| 77 |
def _testIntegrator(self,integratorname): |
| 78 |
self.L.load('johnpye/shm.a4c') |
| 79 |
M = self.L.findType('shm').getSimulation('sim') |
| 80 |
M.setSolver(ascpy.Solver('QRSlv')) |
| 81 |
print M.getChildren() |
| 82 |
assert float(M.x) == 10.0 |
| 83 |
assert float(M.v) == 0.0 |
| 84 |
t_end = math.pi |
| 85 |
|
| 86 |
I = ascpy.Integrator(M) |
| 87 |
I.setReporter(ascpy.IntegratorReporterNull(I)) |
| 88 |
I.setEngine(integratorname); |
| 89 |
I.setLinearTimesteps(ascpy.Units("s"), 0.0, t_end, 100); |
| 90 |
I.setMinSubStep(0.0005); # these limits are required by IDA at present (numeric diff) |
| 91 |
I.setMaxSubStep(0.02); |
| 92 |
I.setInitialSubStep(0.001); |
| 93 |
I.setMaxSubSteps(200); |
| 94 |
if(integratorname=='IDA'): |
| 95 |
I.setParameter('autodiff',False) |
| 96 |
I.analyse(); |
| 97 |
I.solve(); |
| 98 |
print "At end of simulation," |
| 99 |
print "x = %f" % M.x |
| 100 |
print "v = %f" % M.v |
| 101 |
assert abs(float(M.x) + 10) < 1e-2 |
| 102 |
assert abs(float(M.v)) < 1e-2 |
| 103 |
assert I.getNumObservedVars() == 3 |
| 104 |
|
| 105 |
def testInvalidIntegrator(self): |
| 106 |
self.L.load('johnpye/shm.a4c') |
| 107 |
M = self.L.findType('shm').getSimulation('sim') |
| 108 |
M.setSolver(ascpy.Solver('QRSlv')) |
| 109 |
I = ascpy.Integrator(M) |
| 110 |
try: |
| 111 |
I.setEngine('___NONEXISTENT____') |
| 112 |
except RuntimeError: |
| 113 |
return |
| 114 |
self.fail("setEngine did not raise error!") |
| 115 |
|
| 116 |
def testLSODE(self): |
| 117 |
self._testIntegrator('LSODE') |
| 118 |
|
| 119 |
def testIDA(self): |
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self._testIntegrator('IDA') |
| 121 |
|
| 122 |
class TestLSODE(Ascend): |
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|
| 124 |
def testzill(self): |
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self.L.load('johnpye/zill.a4c') |
| 126 |
T = self.L.findType('zill') |
| 127 |
M = T.getSimulation('sim') |
| 128 |
M.setSolver(ascpy.Solver('QRSlv')) |
| 129 |
I = ascpy.Integrator(M) |
| 130 |
I.setEngine('LSODE') |
| 131 |
I.setMinSubStep(1e-7) |
| 132 |
I.setMaxSubStep(0.001) |
| 133 |
I.setMaxSubSteps(10000) |
| 134 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 135 |
I.setLinearTimesteps(ascpy.Units(), 1.0, 1.5, 5); |
| 136 |
I.analyse() |
| 137 |
I.solve() |
| 138 |
M.run(T.getMethod('self_test')) |
| 139 |
|
| 140 |
def testnewton(self): |
| 141 |
sys.stderr.write("STARTING TESTNEWTON\n") |
| 142 |
self.L.load('johnpye/newton.a4c') |
| 143 |
T = self.L.findType('newton') |
| 144 |
M = T.getSimulation('sim') |
| 145 |
M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter()) |
| 146 |
I = ascpy.Integrator(M) |
| 147 |
I.setEngine('LSODE') |
| 148 |
I.setParameter('rtolvect',False) |
| 149 |
I.setParameter('rtol',1e-7) |
| 150 |
I.setParameter('atolvect',False) |
| 151 |
I.setParameter('atol',1e-7) |
| 152 |
I.setMinSubStep(1e-7) |
| 153 |
I.setMaxSubStep(0.001) |
| 154 |
I.setMaxSubSteps(10000) |
| 155 |
|
| 156 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 157 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 2*float(M.v)/float(M.g), 2); |
| 158 |
I.analyse() |
| 159 |
I.solve() |
| 160 |
print "At end of simulation," |
| 161 |
print "x = %f" % M.x |
| 162 |
print "v = %f" % M.v |
| 163 |
M.run(T.getMethod('self_test')) |
| 164 |
|
| 165 |
def testlotka(self): |
| 166 |
self.L.load('johnpye/lotka.a4c') |
| 167 |
M = self.L.findType('lotka').getSimulation('sim') |
| 168 |
M.setSolver(ascpy.Solver("QRSlv")) |
| 169 |
I = ascpy.Integrator(M) |
| 170 |
I.setEngine('LSODE') |
| 171 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 172 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5); |
| 173 |
I.analyse() |
| 174 |
print "Number of vars = %d" % I.getNumVars() |
| 175 |
assert I.getNumVars()==2 |
| 176 |
I.solve() |
| 177 |
assert I.getNumObservedVars() == 3; |
| 178 |
assert abs(M.R - 832) < 1.0 |
| 179 |
assert abs(M.F - 21.36) < 0.1 |
| 180 |
|
| 181 |
class TestIDA(Ascend): |
| 182 |
|
| 183 |
def testparameters(self): |
| 184 |
self.L.load('johnpye/shm.a4c') |
| 185 |
M = self.L.findType('shm').getSimulation('sim') |
| 186 |
M.build() |
| 187 |
I = ascpy.Integrator(M) |
| 188 |
I.setEngine('IDA') |
| 189 |
P = I.getParameters() |
| 190 |
for p in P: |
| 191 |
print p.getName(),"=",p.getValue() |
| 192 |
assert len(P)==9 |
| 193 |
assert P[0].isStr() |
| 194 |
assert P[0].getName()=="linsolver" |
| 195 |
assert P[0].getValue()=='SPGMR' |
| 196 |
assert P[2].getName()=="autodiff" |
| 197 |
assert P[2].getValue()==True |
| 198 |
assert P[7].getName()=="atolvect" |
| 199 |
assert P[7].getBoolValue() == True |
| 200 |
P[2].setBoolValue(False) |
| 201 |
assert P[2].getBoolValue()==False |
| 202 |
I.setParameters(P) |
| 203 |
for p in I.getParameters(): |
| 204 |
print p.getName(),"=",p.getValue() |
| 205 |
assert I.getParameterValue('autodiff')==False |
| 206 |
I.setParameter('autodiff',True) |
| 207 |
try: |
| 208 |
v = I.getParameterValue('nonexist') |
| 209 |
except KeyError: |
| 210 |
pass |
| 211 |
else: |
| 212 |
self.fail('Failed to trip invalid Integrator parameter') |
| 213 |
|
| 214 |
def testnewton(self): |
| 215 |
sys.stderr.write("STARTING TESTNEWTON\n") |
| 216 |
self.L.load('johnpye/newton.a4c') |
| 217 |
T = self.L.findType('newton') |
| 218 |
M = T.getSimulation('sim') |
| 219 |
M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter()) |
| 220 |
I = ascpy.Integrator(M) |
| 221 |
I.setEngine('IDA') |
| 222 |
I.setParameter('safeeval',True) |
| 223 |
I.setParameter('rtol',1e-8) |
| 224 |
I.setMaxSubStep(0.001) |
| 225 |
I.setMaxSubSteps(10000) |
| 226 |
|
| 227 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 228 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 2*float(M.v)/float(M.g), 2); |
| 229 |
I.analyse() |
| 230 |
I.solve() |
| 231 |
print "At end of simulation," |
| 232 |
print "x = %f" % M.x |
| 233 |
print "v = %f" % M.v |
| 234 |
M.run(T.getMethod('self_test')) |
| 235 |
|
| 236 |
def testlotka(self): |
| 237 |
self.L.load('johnpye/lotka.a4c') |
| 238 |
M = self.L.findType('lotka').getSimulation('sim') |
| 239 |
M.setSolver(ascpy.Solver("QRSlv")) |
| 240 |
I = ascpy.Integrator(M) |
| 241 |
I.setEngine('IDA') |
| 242 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 243 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5); |
| 244 |
I.setParameter('rtol',1e-8); |
| 245 |
I.analyse() |
| 246 |
assert I.getNumVars()==2 |
| 247 |
assert abs(M.R - 1000) < 1e-300 |
| 248 |
I.solve() |
| 249 |
assert I.getNumObservedVars() == 3; |
| 250 |
assert abs(M.R - 832) < 1.0 |
| 251 |
assert abs(M.F - 21.36) < 0.1 |
| 252 |
|
| 253 |
def testlotkaDENSE(self): |
| 254 |
self.L.load('johnpye/lotka.a4c') |
| 255 |
M = self.L.findType('lotka').getSimulation('sim') |
| 256 |
M.setSolver(ascpy.Solver("QRSlv")) |
| 257 |
I = ascpy.Integrator(M) |
| 258 |
I.setEngine('IDA') |
| 259 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 260 |
I.setLinearTimesteps(ascpy.Units("s"), 0, 200, 5); |
| 261 |
I.setParameter('linsolver','DENSE') |
| 262 |
I.setParameter('rtol',1e-8); |
| 263 |
I.analyse() |
| 264 |
assert I.getNumVars()==2 |
| 265 |
assert abs(M.R - 1000) < 1e-300 |
| 266 |
I.solve() |
| 267 |
assert I.getNumObservedVars() == 3; |
| 268 |
assert abs(M.R - 832) < 1.0 |
| 269 |
assert abs(M.F - 21.36) < 0.1 |
| 270 |
|
| 271 |
def testzill(self): |
| 272 |
self.L.load('johnpye/zill.a4c') |
| 273 |
T = self.L.findType('zill') |
| 274 |
M = T.getSimulation('sim') |
| 275 |
M.setSolver(ascpy.Solver('QRSlv')) |
| 276 |
I = ascpy.Integrator(M) |
| 277 |
I.setEngine('IDA') |
| 278 |
I.setParameter('safeeval',False) |
| 279 |
I.setMinSubStep(1e-7) |
| 280 |
I.setMaxSubStep(0.001) |
| 281 |
I.setMaxSubSteps(10000) |
| 282 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 283 |
I.setLinearTimesteps(ascpy.Units(), 1.0, 1.5, 5); |
| 284 |
I.analyse() |
| 285 |
I.solve() |
| 286 |
M.run(T.getMethod('self_test')) |
| 287 |
|
| 288 |
def testdenx(self): |
| 289 |
self.L.load('johnpye/idadenx.a4c') |
| 290 |
M = self.L.findType('idadenx').getSimulation('sim') |
| 291 |
M.solve(ascpy.Solver("QRSlv"),ascpy.SolverReporter()) |
| 292 |
I = ascpy.Integrator(M) |
| 293 |
I.setEngine('IDA') |
| 294 |
I.setParameter('calcic',False) |
| 295 |
I.setParameter('linsolver','DENSE') |
| 296 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 297 |
I.setLogTimesteps(ascpy.Units("s"), 0.4, 4e10, 11); |
| 298 |
I.setMaxSubStep(0); |
| 299 |
I.setInitialSubStep(0); |
| 300 |
I.setMaxSubSteps(0); |
| 301 |
I.setParameter('autodiff',True) |
| 302 |
I.analyse() |
| 303 |
I.solve() |
| 304 |
assert abs(float(M.y1) - 5.1091e-08) < 1e-10; |
| 305 |
assert abs(float(M.y2) - 2.0437e-13) < 1e-15; |
| 306 |
assert abs(float(M.y3) - 1.0) < 1e-5; |
| 307 |
|
| 308 |
def testkryxDENSE(self): |
| 309 |
self.L.load('johnpye/idakryx.a4c') |
| 310 |
M = self.L.findType('idakryx').getSimulation('sim') |
| 311 |
M.setSolver(ascpy.Solver('QRSlv')) |
| 312 |
M.build() |
| 313 |
I = ascpy.Integrator(M) |
| 314 |
I.setEngine('IDA') |
| 315 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 316 |
I.setParameter('linsolver','DENSE') |
| 317 |
I.setParameter('maxl',8) |
| 318 |
I.setParameter('gsmodified',False) |
| 319 |
I.setParameter('autodiff',True) |
| 320 |
I.setParameter('rtol',0) |
| 321 |
I.setParameter('atol',1e-3); |
| 322 |
I.setParameter('atolvect',False) |
| 323 |
I.setParameter('calcic',True) |
| 324 |
I.analyse() |
| 325 |
I.setLogTimesteps(ascpy.Units("s"), 0.01, 10.24, 11); |
| 326 |
I.solve() |
| 327 |
assert abs(M.u[2][2].getValue()) < 1e-5 |
| 328 |
|
| 329 |
def testdenxSPGMR(self): |
| 330 |
self.L.load('johnpye/idadenx.a4c') |
| 331 |
M = self.L.findType('idadenx').getSimulation('sim') |
| 332 |
M.setSolver(ascpy.Solver('QRSlv')) |
| 333 |
I = ascpy.Integrator(M) |
| 334 |
I.setEngine('IDA') |
| 335 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 336 |
I.setLogTimesteps(ascpy.Units("s"), 0.4, 4e10, 11); |
| 337 |
I.setMaxSubStep(0); |
| 338 |
I.setInitialSubStep(0); |
| 339 |
I.setMaxSubSteps(0); |
| 340 |
I.setParameter('autodiff',True) |
| 341 |
I.setParameter('linsolver','SPGMR') |
| 342 |
I.setParameter('gsmodified',False) |
| 343 |
I.setParameter('maxncf',10) |
| 344 |
I.analyse() |
| 345 |
I.solve() |
| 346 |
assert abs(float(M.y1) - 5.1091e-08) < 1e-10; |
| 347 |
assert abs(float(M.y2) - 2.0437e-13) < 1e-15; |
| 348 |
assert abs(float(M.y3) - 1.0) < 1e-5; |
| 349 |
|
| 350 |
def testkryx(self): |
| 351 |
self.L.load('johnpye/idakryx.a4c') |
| 352 |
M = self.L.findType('idakryx').getSimulation('sim') |
| 353 |
M.build() |
| 354 |
I = ascpy.Integrator(M) |
| 355 |
I.setEngine('IDA') |
| 356 |
I.setReporter(ascpy.IntegratorReporterConsole(I)) |
| 357 |
I.setParameter('linsolver','SPGMR') |
| 358 |
I.setParameter('prec','JACOBI') |
| 359 |
I.setParameter('maxl',8) |
| 360 |
I.setParameter('gsmodified',False) |
| 361 |
I.setParameter('autodiff',True) |
| 362 |
I.setParameter('gsmodified',True) |
| 363 |
I.setParameter('rtol',0) |
| 364 |
I.setParameter('atol',1e-3); |
| 365 |
I.setParameter('atolvect',False) |
| 366 |
I.setParameter('calcic','Y') |
| 367 |
I.analyse() |
| 368 |
I.setLogTimesteps(ascpy.Units("s"), 0.01, 10.24, 10); |
| 369 |
print M.udot[1][3]; |
| 370 |
I.solve() |
| 371 |
assert 0 |
| 372 |
|
| 373 |
# move code above down here if you want to temporarily avoid testing it |
| 374 |
class NotToBeTested: |
| 375 |
def nothing(self): |
| 376 |
pass |
| 377 |
|
| 378 |
if __name__=='__main__': |
| 379 |
pass |
| 380 |
atexit.register(ascpy.shutdown) |
| 381 |
suite = unittest.TestSuite() |
| 382 |
#suite = unittest.defaultTestLoader.loadTestsFromName('__main__') |
| 383 |
suite.addTests(cunit.load("base/generic/test/libasctestsuite.so")) |
| 384 |
#suite.addTest(TestLSODE) |
| 385 |
#suite.addTests(csuites) |
| 386 |
unittest.TextTestRunner(verbosity=2).run(suite) |
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