def test_recently_used_list_with_overflow():
rul = RecentlyUsedList(limit=1)
rul.add('A')
assert len(rul) == 1
rul.add('B')
assert len(rul) == 1
rul = RecentlyUsedList(limit=10)
for i in range(1, 20):
rul.add(str(i))
assert len(rul) == 10
assert rul.items == [
'19', '18', '17', '16', '15', '14', '13', '12', '11', '10'
]
def test_inserted(self):
r = RecentlyUsedList()
r.add_used_item('shoes')
r.add_used_item('clothes')
r.add_used_item('shoes')
r.add_used_item('accessories')
self.assertTrue(len(r.recently_used) > 0)
def test_duplicates(self):
r = RecentlyUsedList()
r.add_used_item('shoes')
r.add_used_item('clothes')
r.add_used_item('shoes')
r.add_used_item('accessories')
self.assertEquals(len(r.recently_used), 3)
def test_most_recent(self):
r = RecentlyUsedList()
r.add_used_item('shoes')
r.add_used_item('clothes')
r.add_used_item('shoes')
r.add_used_item('accessories')
self.assertEquals(r.get_recently_used_item(), 'accessories')
def test_recently_used_list():
rul = RecentlyUsedList()
assert len(rul) == 0
rul.add('A')
assert len(rul) == 1
rul.add('B')
assert len(rul) == 2
assert rul[0] == 'B'
assert rul[-1] == 'A'
rul.add('B')
assert len(rul) == 2
assert rul[0] == 'B'
assert rul[1] == 'A'
rul.add('A')
assert len(rul) == 2
assert rul[0] == 'A'
assert rul[1] == 'B'
with pytest.raises(TypeError):
rul.add()
with pytest.raises(ValueError):
rul.add('')
with pytest.raises(ValueError):
rul.add(True)
with pytest.raises(ValueError):
rul.add(object)
