Files
allianceauth/allianceauth/utils/tests/test_counters.py
2023-10-07 04:52:03 +00:00

121 lines
3.3 KiB
Python

from unittest import TestCase
from unittest.mock import patch
from allianceauth.utils.counters import ItemCounter
MODULE_PATH = "allianceauth.utils.counters"
COUNTER_NAME = "test-counter"
class TestItemCounter(TestCase):
def test_can_create_counter(self):
# when
counter = ItemCounter(COUNTER_NAME)
# then
self.assertIsInstance(counter, ItemCounter)
def test_can_reset_counter_to_default(self):
# given
counter = ItemCounter(COUNTER_NAME)
# when
counter.reset()
# then
self.assertEqual(counter.value(), 0)
def test_can_reset_counter_to_custom_value(self):
# given
counter = ItemCounter(COUNTER_NAME)
# when
counter.reset(42)
# then
self.assertEqual(counter.value(), 42)
def test_can_increment_counter_by_default(self):
# given
counter = ItemCounter(COUNTER_NAME)
counter.reset(0)
# when
counter.incr()
# then
self.assertEqual(counter.value(), 1)
def test_can_increment_counter_by_custom_value(self):
# given
counter = ItemCounter(COUNTER_NAME)
counter.reset(0)
# when
counter.incr(8)
# then
self.assertEqual(counter.value(), 8)
def test_can_decrement_counter_by_default(self):
# given
counter = ItemCounter(COUNTER_NAME)
counter.reset(9)
# when
counter.decr()
# then
self.assertEqual(counter.value(), 8)
def test_can_decrement_counter_by_custom_value(self):
# given
counter = ItemCounter(COUNTER_NAME)
counter.reset(9)
# when
counter.decr(8)
# then
self.assertEqual(counter.value(), 1)
def test_can_decrement_counter_below_zero(self):
# given
counter = ItemCounter(COUNTER_NAME)
counter.reset(0)
# when
counter.decr(1)
# then
self.assertEqual(counter.value(), -1)
def test_can_not_decrement_counter_below_minimum(self):
# given
counter = ItemCounter(COUNTER_NAME, minimum=0)
counter.reset(0)
# when
counter.decr(1)
# then
self.assertEqual(counter.value(), 0)
def test_can_not_reset_counter_below_minimum(self):
# given
counter = ItemCounter(COUNTER_NAME, minimum=0)
# when/then
with self.assertRaises(ValueError):
counter.reset(-1)
def test_can_not_init_without_name(self):
# when/then
with self.assertRaises(ValueError):
ItemCounter(name="")
def test_can_ignore_invalid_values_when_incrementing(self):
# given
counter = ItemCounter(COUNTER_NAME)
counter.reset(0)
# when
with patch(MODULE_PATH + ".cache.incr") as m:
m.side_effect = ValueError
counter.incr()
# then
self.assertEqual(counter.value(), 0)
def test_can_ignore_invalid_values_when_decrementing(self):
# given
counter = ItemCounter(COUNTER_NAME)
counter.reset(1)
# when
with patch(MODULE_PATH + ".cache.decr") as m:
m.side_effect = ValueError
counter.decr()
# then
self.assertEqual(counter.value(), 1)