def testFractionalJConversion(self):
a = Transition(500 * u.nm, 26, 1)
a.lowerJ = 1.5
assert a.lowerJ == Fraction(3, 2)
a.lowerJ = None
assert a.lowerJ is None
a.higherJ = 2
assert a.higherJ == Fraction(2, 1)
a.higherJ = None
assert a.higherJ is None
def mock_transition(self):
a = Transition(558.0345 * u.nm, 54, 1)
a.lowerEnergy = 17.012 * u.cm**-1
a.lowerOrbital = '(4F)4s a5F'
a.lowerJ = 1.5
a.higherEnergy = 12051.823 * u.cm**-1
a.higherOrbital = '3Gsp3P x3H'
a.higherJ = 0
a.normalizedDepth = 0.234
return a
def testEquality(self):
a = Transition(500.0 * u.nm, 26, 1)
b = Transition(500.0 * u.nm, 26, 1)
with pytest.raises(ValueError):
assert a == 'A non-transition'
assert a == b
a.lowerEnergy = b.lowerEnergy = 1.3 * u.eV
assert a == b
a.higherEnergy = b.higherEnergy = 5.6 * u.eV
assert a == b
a.lowerJ = b.lowerJ = 1.5
assert a == b
a.higherJ = b.higherJ = 0.5
assert a == b
a.lowerOrbital = b.lowerOrbital = '3d8.(3F).4s.4p.(3P*)'
assert a == b
a.higherOrbital = b.higherOrbital = '3d8.4s.(2F).5s '
assert a == b
# Now test for inequality.
b.higherOrbital = 'non-existent'
assert a != b
b.lowerOrbital = "it's gone too"
assert a != b
b.higherJ = 3
assert a != b
b.lowerJ = 0
assert a != b
b.higherEnergy = 4 * u.eV
assert a != b
b.lowerEnergy = 3 * u.eV
assert a != b
b.ionizationState = 2
assert a != b
b.ionizationState = 1
b.atomicNumber = 27
assert a != b
b.atomicNumber = 26
b.wavelength = 501 * u.nm
assert a != b