def test_different_signs(self):
"Sending parameters of different signs raises a ValueError."
with self.assertRaises(ValueError):
_convert_coords(-89, 37, 43.91 )
with self.assertRaises(ValueError):
_convert_coords(0, -37, 43.91 )
_convert_coords(0, 37, 43.91 )
_convert_coords(0, 0, 43.91 )
_convert_coords(0, 0, -43.91 )
def test_negative(self):
observed = _convert_coords(-89, -37, -43.91 )
self.assertAlmostEquals(observed, 89.62886388888889, delta = 10**10)
def test_positive(self):
observed = _convert_coords(29, 16, 38.24 )
self.assertAlmostEqual(observed, 29.27728888, delta = 10**10)
