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Om python syntron #226

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Merged
arun3688 merged 4 commits into from
Nov 7, 2024
Merged

Om python syntron #226

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cc44f53
[ModelicaSystem.simulate] include c library files from external Model…
syntron Oct 30, 2024
7fd956a
[ModelicaSystem.simulate] simplify usage of subprocess.Popen()
syntron Oct 30, 2024
3dfc0de
[ModelicaSystem._run_cmd] merge all calls to executeable into one fun…
syntron Oct 30, 2024
82d3f4c
add linearization test
arun3688 Nov 7, 2024
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add linearization test
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@arun3688
arun3688 committed Nov 7, 2024
commit 82d3f4c6b2d87a30368ff7f6cbf30db868e82e6d
38 changes: 38 additions & 0 deletions tests/test_linearization.py
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import OMPython
import tempfile, shutil, os
import pytest

class Test_Linearization:
def loadModel(self):
self.tmp = tempfile.mkdtemp(prefix='tmpOMPython.tests')
with open("%s/linearTest.mo" % self.tmp, "w") as fout:
fout.write("""
model linearTest
Real x1(start=1);
Real x2(start=-2);
Real x3(start=3);
Real x4(start=-5);
parameter Real a=3,b=2,c=5,d=7,e=1,f=4;
equation
a*x1 = b*x2 -der(x1);
der(x2) + c*x3 + d*x1 = x4;
f*x4 - e*x3 - der(x3) = x1;
der(x4) = x1 + x2 + der(x3) + x4;
end linearTest;
""")

def __del__(self):
shutil.rmtree(self.tmp, ignore_errors=True)

def test_example(self):
self.loadModel()
filePath = os.path.join(self.tmp,"linearTest.mo").replace("\\", "/")
print(filePath)
mod = OMPython.ModelicaSystem(filePath, "linearTest")
[A, B, C, D] = mod.linearize()
expected_matrixA = [[-3, 2, 0, 0], [-7, 0, -5, 1], [-1, 0, -1, 4], [0, 1, -1, 5]]
assert A == expected_matrixA, f"Matrix does not match the expected value. Got: {A}, Expected: {expected_matrixA}"
assert B == [], f"Matrix does not match the expected value. Got: {B}, Expected: {[]}"
assert C == [], f"Matrix does not match the expected value. Got: {C}, Expected: {[]}"
assert D == [], f"Matrix does not match the expected value. Got: {D}, Expected: {[]}"