def test_projection_factors_incorrect():
"""Test the projection factor functions with incorrect inputs."""
with pytest.raises(Exception):
get_projection_factor(25, 0, 'Standing') # incorrect capitalization
with pytest.raises(Exception):
get_projection_factor(100, 0, 'standing') # incorrect altitude
with pytest.raises(Exception):
get_projection_factor_simple(25, 0,
'Standing') # incorrect capitalization
with pytest.raises(Exception):
get_projection_factor_simple(100, 0, 'standing') # incorrect altitude
def test_projection_factors():
"""Test the projection factor functions against one another."""
for posture in ('standing', 'seated', 'supine'):
for alt in list(xrange(1, 90, 10)) + [90]:
for sharp in xrange(0, 190, 10):
pf1 = get_projection_factor(alt, sharp, posture)
pf2 = get_projection_factor_simple(alt, sharp, posture)
assert pf1 == pytest.approx(pf2, rel=0.1)