def execute_mif(self):
process = o.call_oommf('boxsi ' + self.mif_filename)
while True:
output = process.stdout.readline()
stderr = process.stderr.readline()
if output == '' and process.poll() is not None:
break
elif self.debug:
print(output)
print(stderr)
return_code = process.poll()
if return_code != 0:
raise JoommfError("Joommf: OOMMF failed to execute.")
self.ODTFile = odtreader.ODTFile(self.mif_filename[:-3] + 'odt')
self.df = self.ODTFile.df
def test_run_oommf_simulation(tmpdir):
testsim_mif_1 = """# MIF 2.1
# Tiny test problem, OOMMF-Python
Specify Oxs_BoxAtlas:atlas {
xrange {0 5e-9}
yrange {0 5e-9}
zrange {0 10e-9}
}
Specify Oxs_RectangularMesh:mesh {
cellsize {2.5e-9 2.5e-9 2.5e-9}
atlas :atlas
}
Specify Oxs_UniformExchange {A 13e-12}
Specify Oxs_EulerEvolve {
alpha 0.5
start_dm 0.0001
gamma_G 0.2211e6
absolute_step_error 0.02
relative_step_error 0.02
}
Specify Oxs_Demag {}
Specify Oxs_TimeDriver {
basename testsim
evolver Oxs_EulerEvolve
stopping_dm_dt 0.01
mesh :mesh
stage_count 1
stage_iteration_limit 550000
total_iteration_limit 2
Ms { Oxs_UniformScalarField { value 0.86e6 } }
m0 { Oxs_UniformVectorField {
norm 1
vector {1 0 1}
} }
}
Destination archive mmArchive
Schedule DataTable archive Step 1
Schedule Oxs_TimeDriver::Magnetization archive Stage 1
"""
# write config file into tmp directory
open(os.path.join(str(tmpdir), 'testsim.mif'), 'w').write(testsim_mif_1)
# call ommff
process = o.call_oommf('boxsi testsim.mif', workdir=tmpdir)
# wait for oommf to complete
process.wait()
# read stdout and stderr, so we can see those in case of error
# via "py.test -l"
stdout, stderr = process.stdout.read(), process.stderr.read()
print("stdout = {}".format(stdout))
print("stderr = {}".format(stderr))
files = os.listdir(str(tmpdir))
print("Files in tmpdirectory are:\n{}".format(files))
assert "testsim-Oxs_TimeDriver-Magnetization-00-0000002.omf" in files or\
"testsim-Oxs_TimeDriver-Magnetization-00-0000001.omf" in files
# I would have expected to only get
# testsim-Oxs_TimeDriver-Magnetization-00-0000001.omf as the output,
# and this is the case for the
# conda-OOMMF install of 1.2.0.6. However, with the from source install of
# 1.2.0.5, we get the testsim-Oxs_TimeDriver-Magnetization-00-0000002.omf
# created. So we accept either in this test -- at least OOMMF runs and
# does something. HF, 1 Nov 2015
assert 'testsim.odt' in files
def test_run_oommf_simulation(tmpdir):
testsim_mif_1 = """# MIF 2.1
# Tiny test problem, OOMMF-Python
Specify Oxs_BoxAtlas:atlas {
xrange {0 5e-9}
yrange {0 5e-9}
zrange {0 10e-9}
}
Specify Oxs_RectangularMesh:mesh {
cellsize {2.5e-9 2.5e-9 2.5e-9}
atlas :atlas
}
Specify Oxs_UniformExchange {A 13e-12}
Specify Oxs_EulerEvolve {
alpha 0.5
start_dm 0.0001
gamma_G 0.2211e6
absolute_step_error 0.02
relative_step_error 0.02
}
Specify Oxs_Demag {}
Specify Oxs_TimeDriver {
basename testsim
evolver Oxs_EulerEvolve
stopping_dm_dt 0.01
mesh :mesh
stage_count 1
stage_iteration_limit 550000
total_iteration_limit 2
Ms { Oxs_UniformScalarField { value 0.86e6 } }
m0 { Oxs_UniformVectorField {
norm 1
vector {1 0 1}
} }
}
Destination archive mmArchive
Schedule DataTable archive Step 1
Schedule Oxs_TimeDriver::Magnetization archive Stage 1
"""
# write config file into tmp directory
open(os.path.join(str(tmpdir), 'testsim.mif'), 'w').write(testsim_mif_1)
# call ommff
process = o.call_oommf('boxsi testsim.mif', workdir=tmpdir)
# wait for oommf to complete
process.wait()
# read stdout and stderr, so we can see those in case of error
# via "py.test -l"
stdout, stderr = process.stdout.read(), process.stderr.read()
print("stdout = {}".format(stdout))
print("stderr = {}".format(stderr))
files = os.listdir(str(tmpdir))
print("Files in tmpdirectory are:\n{}".format(files))
assert "testsim-Oxs_TimeDriver-Magnetization-00-0000002.omf" in files or\
"testsim-Oxs_TimeDriver-Magnetization-00-0000001.omf" in files
# I would have expected to only get
# testsim-Oxs_TimeDriver-Magnetization-00-0000001.omf as the output,
# and this is the case for the
# conda-OOMMF install of 1.2.0.6. However, with the from source install of
# 1.2.0.5, we get the testsim-Oxs_TimeDriver-Magnetization-00-0000002.omf
# created. So we accept either in this test -- at least OOMMF runs and
# does something. HF, 1 Nov 2015
assert 'testsim.odt' in files
