def testHistogram(self):
pda = ak.randint(10, 30, 40)
result = ak.histogram(pda, bins=20)
self.assertIsInstance(result, ak.pdarray)
self.assertEqual(20, len(result))
self.assertEqual(int, result.dtype)
with self.assertRaises(TypeError) as cm:
ak.histogram([range(0, 10)], bins=1)
self.assertEqual(
'type of argument "pda" must be arkouda.pdarrayclass.pdarray; got list instead',
cm.exception.args[0])
with self.assertRaises(TypeError) as cm:
ak.histogram(pda, bins='1')
self.assertEqual(
'type of argument "bins" must be int; got str instead',
cm.exception.args[0])
with self.assertRaises(TypeError) as cm:
ak.histogram([range(0, 10)], bins='1')
self.assertEqual(
'type of argument "pda" must be arkouda.pdarrayclass.pdarray; got list instead',
cm.exception.args[0])
def testErrorHandling(self):
# Test NotImplmentedError that prevents pddarray iteration
with self.assertRaises(NotImplementedError):
iter(ak.ones(100))
# Test NotImplmentedError that prevents Strings iteration
with self.assertRaises(NotImplementedError):
iter(ak.array(['String {}'.format(i) for i in range(0, 10)]))
# Test ak,histogram against unsupported dtype
with self.assertRaises(ValueError):
ak.histogram((ak.randint(0, 1, 100, dtype=ak.bool)))
with self.assertRaises(RuntimeError) as cm:
ak.concatenate([ak.array([True]), ak.array([True])]).is_sorted()
self.assertEqual('Error: reductionMsg: is_sorted bool not implemented',
cm.exception.args[0])
with self.assertRaises(TypeError):
ak.ones(100).any([0])