def test_zeeman_formatting():
H = (0.1, -0.5, -8.9e6)
zeeman = FixedZeeman(H)
mif_string = zeeman.get_mif()
assert mif_string[0] == 'S'
assert mif_string[-1] == '\n'
assert mif_string[-2] == '\n'
def test_zeeman_mif():
H = (0.1, -0.5, -8.9e6)
zeeman = FixedZeeman(H)
mif_string = zeeman.get_mif()
lines = mif_string.split('\n')
assert 'Specify Oxs_FixedZeeman {' in lines[0]
assert '{ Oxs_UniformVectorField {' in lines[1]
assert 'vector' in lines[2]
line2 = lines[2].split()
assert float(line2[1][1:]) == H[0]
assert float(line2[2]) == H[1]
assert float(line2[3][0:-1]) == H[2]
