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test.py
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# coding=utf-8
import unittest
from time import sleep
from memory_cache import MemoryCache
from memory_cache import DelayRun
import tick_mgr
class TestMemoryCache(unittest.TestCase):
def testArg(self):
"""测试参数传递"""
@MemoryCache()
def a(i, j=2):
return i, j
r = a(1)
self.assertEqual((1, 2), r, u"结果有误")
r = a(11, 22)
self.assertEqual((11, 22), r, u"结果有误")
r = a(11, j=222)
self.assertEqual((11, 222), r, u"结果有误")
def test1(self):
"""永不过期，区分入参"""
@MemoryCache()
def a(i, j=2):
ls[0] += 1
return i, j
ls = [0]
for _ in range(100):
r = a(1)
self.assertEqual((1, 2), r, u"结果有误")
self.assertEqual(1, ls[0], u"函数内部触发次数错误")
for k in range(2, 101):
r = a(k)
self.assertEqual((k, 2), r, u"结果有误")
self.assertEqual(k, ls[0], u"函数内部触发次数错误")
def test2(self):
"""永不过期，不区分入参"""
@MemoryCache(bUniqueArg=False)
def a(i, j=2):
ls[0] += 1
return i, j
ls = [0]
for k in range(100):
r = a(1)
self.assertEqual((1, 2), r, u"结果有误, 参数虽不同, 应只缓存第一个结果")
self.assertEqual(1, ls[0], u"函数内部触发次数错误")
r = a(k)
self.assertEqual((1, 2), r, u"结果有误, 参数虽不同, 应只缓存第一个结果")
self.assertEqual(1, ls[0], u"函数内部触发次数错误")
def test3(self):
"""0.1s过期，区分入参"""
@MemoryCache(nExpireMs=10)
def a(i, j=2):
ls[0] += 1
return i, j
ls = [0]
for _ in range(1, 101):
r = a(1)
self.assertEqual((1, 2), r, u"结果有误, 参数相同, 应只缓存第一个结果")
self.assertEqual(1, ls[0], u"函数内部触发次数错误")
sleep(0.01)
for k in range(2, 10):
r = a(1)
self.assertEqual((1, 2), r, u"结果有误")
self.assertEqual(k, ls[0], u"函数内部触发次数错误, 相隔的时间应每次都是新的结果")
sleep(0.01)
def test4(self):
"""0.1s过期，不区分入参"""
@MemoryCache(nExpireMs=10, bUniqueArg=False)
def a(i, j=2):
ls[0] += 1
return i, j
ls = [0]
for k in range(1, 101):
r = a(k)
self.assertEqual((1, 2), r, u"结果有误, 参数相同, 应只缓存第一个结果")
self.assertEqual(1, ls[0], u"函数内部触发次数错误")
sleep(0.01)
for k in range(2, 10):
r = a(k)
self.assertEqual((k, 2), r, u"结果有误")
self.assertEqual(k, ls[0], u"函数内部触发次数错误, 相隔的时间应每次都是新的结果")
sleep(0.01)
def test5(self):
"""类中的方法"""
class A(object):
s_nBCall = 0
def __init__(self):
self.m_nACall = 0
@MemoryCache()
def a(self, i):
self.m_nACall += 1
return i
@classmethod
@MemoryCache()
def b(cls, i):
cls.s_nBCall += 1
return i
a1 = A()
a2 = A()
# 实例方法是互不影响的
a1.a(1)
self.assertEqual(1, a1.m_nACall)
self.assertEqual(0, a2.m_nACall)
a2.a(1)
self.assertEqual(1, a1.m_nACall)
self.assertEqual(1, a2.m_nACall)
# 类方法共用
a1.b(0)
self.assertEqual(1, a1.s_nBCall)
self.assertEqual(1, a2.s_nBCall)
a2.b(1)
self.assertEqual(2, a1.s_nBCall)
self.assertEqual(2, a2.s_nBCall)
# 参数相同，不会重覆触发
for _ in range(100):
a1.a(1)
a2.a(1)
self.assertEqual(1, a1.m_nACall)
self.assertEqual(1, a2.m_nACall)
a1.b(1)
a2.b(0)
self.assertEqual(2, a1.s_nBCall)
self.assertEqual(2, a2.s_nBCall)
# 参数不相同，会重覆触发
for j in range(2, 102):
a1.a(j)
a2.a(j)
self.assertEqual(j, a1.m_nACall)
self.assertEqual(j, a2.m_nACall)
self.assertEqual(2*j, a1.m_nACall+a2.m_nACall)
a1.b(j)
a2.b(1000+j)
self.assertEqual(2*j, a1.s_nBCall)
self.assertEqual(2*j, a2.s_nBCall)
def DelayRunTest(nDelayMs=0, bUniqueArg=True):
return DelayRun(nDelayMs=nDelayMs, bUniqueArg=bUniqueArg, TickEngine=tick_mgr)
class TestDelayRun(unittest.TestCase):
def test1(self):
"""延迟执行。区分入参, 根据入参间隔时间内只执行一次"""
@DelayRunTest(nDelayMs=10)
def f1(a):
listF1RunTimes[0] += 1
return a
listF1RunTimes = [0]
setTick = set()
for i in range(100):
nTickID = f1(1)
setTick.add(nTickID)
self.assertEqual(1, len(setTick))
sleep(0.05)
self.assertEqual(1, listF1RunTimes[0])
for i in range(100):
nTickID = f1(1)
setTick.add(nTickID)
self.assertEqual(2, len(setTick))
sleep(0.05)
self.assertEqual(2, listF1RunTimes[0])
for i in range(100, 110):
nTickID = f1(i)
setTick.add(nTickID)
self.assertEqual(12, len(setTick))
sleep(0.05)
self.assertEqual(12, listF1RunTimes[0])
def test2(self):
"""延迟执行。不区分入参, 间隔时间内只执行一次"""
@DelayRunTest(nDelayMs=10, bUniqueArg=False)
def f1(a):
listF1RunTimes[0] += 1
return a
listF1RunTimes = [0]
setTick = set()
for i in range(10):
nTickID = f1(1)
setTick.add(nTickID)
self.assertEqual(1, len(setTick))
sleep(0.05)
self.assertEqual(1, listF1RunTimes[0])
for i in range(10, 20):
nTickID = f1(i)
setTick.add(nTickID)
self.assertEqual(2, len(setTick))
sleep(0.05)
self.assertEqual(2, listF1RunTimes[0])
def testUnRegister(self):
@DelayRunTest(nDelayMs=10)
def f1(a):
listF1RunTimes[0] += 1
return a
listF1RunTimes = [0]
nTickID = list(map(lambda i: f1(1), range(100)))[0]
tick_mgr.UnRegisterTick(nTickID)
sleep(0.05)
self.assertEqual(0, listF1RunTimes[0])
nTickID = list(map(lambda i: f1(1), range(100)))[0]
tick_mgr.UnRegisterTick(nTickID)
sleep(0.05)
self.assertEqual(0, listF1RunTimes[0])
list(map(lambda i: f1(1), range(100)))
sleep(0.05)
self.assertEqual(1, listF1RunTimes[0])
list(map(lambda i: f1(1), range(100)))
sleep(0.05)
self.assertEqual(2, listF1RunTimes[0])