def test_zeroes(self):
for N in range(4):
a = arr_array.array(N, N, N)
for i in range(N):
for j in range(N):
for d in range(N):
self.assertEqual(a[i, j, d], 0)
def test_identity(self):
for N in range(4):
a = arr_array.array(N, N)
for i in range(N):
a[i, i] = 1
for i in range(N):
for j in range(N):
self.assertEqual(a[i, j], i == j)
def test_number_of_elements(self):
import pprint
rows = 6
columns = 6
depth = 6
a = arr_array.array(rows, columns, depth)
for i in range(rows):
for j in range(columns):
for d in range(depth):
a[i, j, d] = d
pprint.pprint(a._data)
actual_total_elements = len(a._data)
expected_total_elements = rows * columns * depth
if actual_total_elements == expected_total_elements:
print("Test passes: expected = ", expected_total_elements, " Actual = ", actual_total_elements)
else:
print("Test fails: expected = ", expected_total_elements, " Actual = ", actual_total_elements)
self.assertEqual(expected_total_elements, actual_total_elements, "Test fails: expected number of element")
def test_key_validity(self):
a = arr_array.array(10, 10, 10)
self.assertRaises(KeyError, self._index, a , -1, 1, 1)
self.assertRaises(KeyError, self._index, a , 10, 1, 1)
self.assertRaises(KeyError, self._index, a , 1, -1, 1)
self.assertRaises(KeyError, self._index, a , 1, 10, 1)
def _validate_key(self, key):
"""Validates a key against the array's shape returning good tuples Raises KeyError"""
row, col, deep = key
if (0 <= row < self._rows and 0 <= col < self._cols
and 0 <= deep < self._depth):
return key
raise KeyError("Subscript out of range")
if __name__ == '__main__':
import arr_array
rows = 6
columns = 6
depth = 6
a = arr_array.array(rows, columns, depth)
for i in range(rows):
for j in range(columns):
for d in range(depth):
a[i, j, d] = d
# pprint.pprint(a.__dict__)
pprint.pprint(a._data)
actual_total_elements = len(a._data)
expected_total_elements = rows * columns * depth
if actual_total_elements == expected_total_elements:
print("Test passes: expected = ", expected_total_elements,
" Actual = ", actual_total_elements)
else:
print("Test fails: expected = ", expected_total_elements, " Actual = ",
actual_total_elements)