def test_no_match(self):
blank = np.zeros((4, 4))
template = np.array([[0, 1], [1, 0]])
expected = []
actual = convolution(template, blank)
self.assertEquals(expected, actual)
def test_match(self):
image = np.array([[0, 0, 0, 0],
[0, 1, 0, 0],
[1, 0, 0, 0],
[0, 0, 0, 0]])
template = np.array([[0, 1], [1, 0]])
expected = [(0, 1)]
actual = convolution(template, image)
self.assertEquals(expected, actual)