def test_url_hashing(self):
# check first 10.000 values
n = 10000
ids = range(n)
seen_hashes = set()
for i in ids:
h = EventLink.encode_hash(i)
r_i = EventLink.decode_hash(h)
self.assertEqual(i, r_i)
seen_hashes.add(h)
# check for no collisions
self.assertEqual(len(seen_hashes), n)
# check some random custom url values
vals = ['foobar', 'somecustomlink1']
for val in vals:
i = EventLink.decode_hash(val)
r_h = EventLink.encode_hash(i)
self.assertEqual(val, r_h)
# check some random invalid url values
vals = ['foo bar', 'somecustom/link']
for val in vals:
i = EventLink.decode_hash(val)
self.assertEqual(i, None)
def test_url_collision_skip(self):
vals = (5, 6, 4, 7, 8, 20)
for i, val in enumerate(vals):
slug = EventLink.encode_hash(val)
eventLink = self.event.create_link(slug=slug)
n = 10
ids = range(n)
for i in ids:
eventLink = self.event.create_link()
num_links = EventLink.objects.filter(event__isnull=False).count()
self.assertEqual(num_links, n+len(vals))
