def test_iter_adjacencies(self):
def onedim_lattice(n, max_size):
return [
neighbour for neighbour in [n - 1, n + 1]
if abs(neighbour) <= max_size
]
# starting at 0, we’ll get all 21 points:
adjs0 = list(iter_adjacencies([0], lambda n: onedim_lattice(n, 10)))
self.assertEqual(21, len(adjs0))
self.assertCountEqual(range(-10, 11), dict(adjs0).keys())
# starting at 11, we’ll get 22 points
adjs1 = list(iter_adjacencies([11], lambda n: onedim_lattice(n, 10)))
self.assertEqual(22, len(adjs1))
self.assertCountEqual(range(-10, 12), dict(adjs1).keys())
# starting at 12, we’ll get 1 point
adjs2 = list(iter_adjacencies([12], lambda n: onedim_lattice(n, 10)))
self.assertEqual(1, len(adjs2))
self.assertEqual([(12, [])], list(adjs2))
# starting at [0, 12], we’ll get adjs0 | adjs2
adjs3 = list(iter_adjacencies([0, 12],
lambda n: onedim_lattice(n, 10)))
self.assertEqual(22, len(adjs3))
self.assertCountEqual(adjs0 + adjs2, adjs3)
def test_iter_adjacencies(self):
def onedim_lattice(n, max_size):
return [neighbour for neighbour in [n - 1, n + 1] if abs(neighbour) <= max_size]
# starting at 0, we’ll get all 21 points:
adjs0 = list(iter_adjacencies([0], lambda n: onedim_lattice(n, 10)))
assert 21 == len(adjs0)
unittest.TestCase().assertCountEqual(range(-10, 11), dict(adjs0).keys())
# starting at 11, we’ll get 22 points
adjs1 = list(iter_adjacencies([11], lambda n: onedim_lattice(n, 10)))
assert 22 == len(adjs1)
unittest.TestCase().assertCountEqual(range(-10, 12), dict(adjs1).keys())
# starting at 12, we’ll get 1 point
adjs2 = list(iter_adjacencies([12], lambda n: onedim_lattice(n, 10)))
assert 1 == len(adjs2)
assert [(12, [])] == list(adjs2)
# starting at [0, 12], we’ll get adjs0 | adjs2
adjs3 = list(iter_adjacencies([0, 12], lambda n: onedim_lattice(n, 10)))
assert 22 == len(adjs3)
unittest.TestCase().assertCountEqual(adjs0 + adjs2, adjs3)
def test_iter_adjacencies(self):
def onedim_lattice(n, max_size):
return [neighbour for neighbour in [n - 1, n + 1] if abs(neighbour) <= max_size]
# starting at 0, we’ll get all 21 points:
adjs0 = list(iter_adjacencies([0], lambda n: onedim_lattice(n, 10)))
self.assertEqual(21, len(adjs0))
self.assertEqual(set(range(-10, 11)), set(dict(adjs0).keys()))
# starting at 11, we’ll get 22 points
adjs1 = list(iter_adjacencies([11], lambda n: onedim_lattice(n, 10)))
self.assertEqual(22, len(adjs1))
self.assertEqual(set(range(-10, 12)), set(dict(adjs1).keys()))
# starting at 12, we’ll get 1 point
adjs2 = list(iter_adjacencies([12], lambda n: onedim_lattice(n, 10)))
self.assertEqual(1, len(adjs2))
self.assertEqual([(12, [])], list(adjs2))
# starting at [0, 12], we’ll get adjs0 | adjs2
adjs3 = list(iter_adjacencies([0, 12], lambda n: onedim_lattice(n, 10)))
self.assertEqual(22, len(adjs3))
self.assertEqual(sorted(adjs0 + adjs2), sorted(adjs3))
