def test_callingConvention(self):
a = (0, 0)
b = (0, 0)
h = pytaghorian(a, b)
self.assertEqual(sqrt(h), 0)
a = (0, 0)
b = (0, 0)
h = pytaghorian(*(*a, *b))
self.assertEqual(sqrt(h), 0)
def test_withoutTuplesOfLength2_raisesValueError(self):
with self.assertRaises(ValueError):
a = None
b = None
pytaghorian(a, b)
with self.assertRaises(ValueError):
a = (0, 0, 0)
b = (0, 0, 0)
pytaghorian(a, b)
def test_aStraigthLine_returnsStraigthLineDistance(self):
a = (1, 0)
b = (0, 0)
h = pytaghorian(a, b)
self.assertEqual(sqrt(h), 1)
a = (5, 0)
b = (0, 0)
h = pytaghorian(a, b)
self.assertEqual(sqrt(h), 5)
a = (-5, 0)
b = (0, 0)
h = pytaghorian(a, b)
self.assertEqual(sqrt(h), 5)
a = (0, 5)
b = (0, 0)
h = pytaghorian(a, b)
self.assertEqual(sqrt(h), 5)
def test_withSamePoint_returnsZero(self):
a = (0, 0)
b = (0, 0)
h = pytaghorian(a, b)
self.assertEqual(sqrt(h), 0)
def test_withTupleOfLength2_works(self):
a = (0, 0)
b = (0, 0)
pytaghorian(a, b)
def test_tupleWithOtherThanNumber_raisesTypeError(self):
a = ('0', '0')
b = ('0', '0')
pytaghorian(a, b)
def astar_heuristic(self, *args):
return pytaghorian(*args)