def test_fetch_listings_existing_users(self, process_listings):
"""Should add to existing sets of users."""
r.sadd('listings.1.users', '9', '10', 'three')
fetch_listings()
assert r.smembers('listings.1.users') == set(['9', '10', 'three', '1'])
def test_fetch_listings_duplicate_user_no_fetch(self, process_listings):
"""Should not fetch the listing if only one unique user ID is found."""
r.sadd('listings.1.users', '1')
fetch_listings()
assert r.smembers('listings.1.users') == set(['1'])
assert '1' not in process_listings.call_args[0]
def test_fetch_listings_single_new_user(self, process_listings):
"""Should fetch existing items with a single new user."""
r.sadd('listings.1.users', '9')
fetch_listings()
assert r.smembers('listings.1.users') == set(['1', '9'])
assert '1' in process_listings.call_args[0]
def test_fetch_listings_multiple_users(self, process_listings):
"""Should store user IDs and fetch items with more than one user."""
fetch_listings()
assert r.smembers('listings.2.users') == set(['1', '2'])
assert '2' in process_listings.call_args[0]
def test_fetch_listings_single_user(self, process_listings):
"""Should store user IDs but not fetch items with one user."""
fetch_listings()
assert r.smembers('listings.1.users') == set(['1'])
assert '1' not in process_listings.call_args[0]
