Files
PyPattyrn/tests/creational_tests/test_pool.py
2016-09-10 17:11:45 -04:00

113 lines
2.9 KiB
Python

from unittest import TestCase
from copy import deepcopy
from pypat.creational.pool import Reusable, Pool
class ReusableTestCase(TestCase):
"""
Unit testing class for the reusable class.
"""
def setUp(self):
"""
Initialize testing data.
"""
class Dog(Reusable):
def __init__(self):
self.sound = "woof"
super().__init__()
self.dog_class = Dog
def test_reset(self):
"""
Test the reset method.
@raise AssertionError: If the test fails.
"""
dog = self.dog_class()
original_state = deepcopy(dog.__dict__)
original_sound = dog.sound
dog.sound = "bark"
changed_sound = dog.sound
dog.reset()
reset_sound = dog.sound
dog.sound = "meow"
changed_sound_two = dog.sound
dog.reset()
reset_sound_two = dog.sound
dog.reset()
final_state = deepcopy(dog.__dict__)
original_state.pop('memento')
final_state.pop('memento')
self.assertEquals("woof", original_sound)
self.assertEquals("bark", changed_sound)
self.assertEquals("woof", reset_sound)
self.assertEquals("meow", changed_sound_two)
self.assertEquals("woof", reset_sound_two)
self.assertEquals(original_state, final_state)
class PoolTestCase(TestCase):
"""
Unit testing class for the Pool class.
"""
def setUp(self):
"""
Initialize testing data.
"""
class Dog(Reusable):
def __init__(self, sound):
self.sound = sound
super(Dog, self).__init__()
class DogPool(Pool):
def __init__(self):
super(DogPool, self).__init__(Dog, 'woof')
self.dog_pool_class = DogPool
def test_acquire(self):
"""
Test the acquire method.
@raise AssertionError: If the test fails.
"""
dog_pool = self.dog_pool_class()
dog_one = dog_pool.acquire()
dog_two = dog_pool.acquire()
dog_three = dog_pool.acquire()
self.assertEquals(dog_one.sound, dog_two.sound, dog_three.sound)
self.assertNotEquals(id(dog_one), id(dog_two), id(dog_three))
def test_release(self):
"""
Test the release method.
@raise AssertionError: If the test fails.
"""
dog_pool = self.dog_pool_class()
dog_one = dog_pool.acquire()
dog_two = dog_pool.acquire()
dog_two.sound = 'meow'
dog_pool.release(dog_one)
dog_three = dog_pool.acquire()
self.assertEquals(id(dog_one), id(dog_three))
dog_pool.release(dog_two)
dog_four = dog_pool.acquire()
self.assertEquals(id(dog_two), id(dog_four))
self.assertEquals(dog_one.sound, dog_two.sound)
self.assertEquals(dog_three.sound, dog_four.sound)
self.assertEquals(dog_one.sound, dog_four.sound)