def test_reassignment():
options = RtraceOptions()
options.ab = 5
assert options.ab == 5
assert options.to_radiance() == '-ab 5'
# remove assigned values
options.ab = None
assert options.ab == None
assert options.to_radiance() == ''
def test_assignment():
options = RtraceOptions()
options.ab = 5
assert options.ab == 5
assert options.to_radiance() == '-ab 5'
# handle wrong value type like a boss
options.ab = 3.2
assert options.ab == 3
assert options.to_radiance() == '-ab 3'
def test_invalid_assignment():
opts = RtraceOptions()
with pytest.raises(AttributeError):
opts.mm = 20
with pytest.raises(TypeError):
opts.ab = 'ambient bounces' # must be a numeric value
def test_multiple_assignment():
options = RtraceOptions()
options.ab = 2
options.ad = 546
assert '-ab 2' in options.to_radiance()
assert 'ad 546' in options.to_radiance()