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test_request.py
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198 lines (170 loc) · 5.96 KB
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#!/usr/bin/env python
# encoding: utf-8
"""
@author: zhanghe
@software: PyCharm
@file: test_request.py
@time: 2017/4/26 上午9:55
"""
import requests
import time
def test_01():
"""
测试请求延时
request start : 2017-04-26 10:05:56
request response: 2017-04-26 10:06:06
<Response [200]>
process start:10:05:56
process end :10:06:06
:return:
"""
print 'request start :', time.strftime("%Y-%m-%d %H:%M:%S")
res = requests.get('http://0:8899')
print 'request response:', time.strftime("%Y-%m-%d %H:%M:%S")
print res
print res.text
def test_02():
"""
测试响应超时
request start : 2017-04-26 10:11:16
HTTPConnectionPool(host='0', port=8899): Read timed out. (read timeout=2)
request response: 2017-04-26 10:11:18
:return:
"""
print 'request start :', time.strftime("%Y-%m-%d %H:%M:%S")
try:
res = requests.get('http://0:8899', timeout=2)
print res
print res.text
except requests.exceptions.ReadTimeout as e:
print u'响应超时', e.message
print 'request response:', time.strftime("%Y-%m-%d %H:%M:%S")
def test_03():
"""
测试连接失败
request start : 2017-04-26 10:14:18
HTTPConnectionPool(host='0', port=9999): Max retries exceeded with url: / (Caused by NewConnectionError('<requests.packages.urllib3.connection.HTTPConnection object at 0x103e6f510>: Failed to establish a new connection: [Errno 61] Connection refused',))
request response: 2017-04-26 10:14:18
:return:
"""
print 'request start :', time.strftime("%Y-%m-%d %H:%M:%S")
try:
res = requests.get('http://0:9999')
print res
print res.text
# 连接错误
except requests.exceptions.ConnectionError as e:
print u'连接错误', e.message
# 响应超时
except requests.exceptions.ReadTimeout as e:
print u'响应超时', e.message
print 'request response:', time.strftime("%Y-%m-%d %H:%M:%S")
def test_04():
"""
测试连接成功，无响应
测试过程：
开启监听：nc -l 9900
测试请求
断开监听
测试结果：
request start : 2017-04-26 11:24:12
连接错误 ('Connection aborted.', error(54, 'Connection reset by peer'))
request response: 2017-04-26 11:24:18
:return:
"""
print 'request start :', time.strftime("%Y-%m-%d %H:%M:%S")
try:
res = requests.get('http://0:9900')
print res
print res.text
# 连接错误
except requests.exceptions.ConnectionError as e:
print u'连接错误', e.message
# 响应超时
except requests.exceptions.ReadTimeout as e:
print u'响应超时', e.message
print 'request response:', time.strftime("%Y-%m-%d %H:%M:%S")
def test_05():
"""
测试连接超时
request start : 2017-04-26 11:36:20
连接错误 HTTPConnectionPool(host='www.x.com', port=80): Max retries exceeded with url: / (Caused by ConnectTimeoutError(<requests.packages.urllib3.connection.HTTPConnection object at 0x1086d8750>, 'Connection to www.x.com timed out. (connect timeout=3)'))
request response: 2017-04-26 11:36:23
:return:
"""
print 'request start :', time.strftime("%Y-%m-%d %H:%M:%S")
try:
res = requests.get('http://www.x.com', timeout=(3, 5))
print res
print res.text
# 连接错误
except requests.exceptions.ConnectionError as e:
print u'连接错误', e.message
# 响应超时
except requests.exceptions.ReadTimeout as e:
print u'响应超时', e.message
print 'request response:', time.strftime("%Y-%m-%d %H:%M:%S")
def test_06():
"""
测试重试
测试结果：
request start : 2017-04-26 11:53:18
连接错误 HTTPConnectionPool(host='www.x.com', port=80): Max retries exceeded with url: / (Caused by ConnectTimeoutError(<requests.packages.urllib3.connection.HTTPConnection object at 0x107691ed0>, 'Connection to www.x.com timed out. (connect timeout=3)'))
request response: 2017-04-26 11:53:40
结果分析：
backoff_factor： 超时补偿（默认值0）sleep seconds：{backoff factor} * (2 ^ ({number of total retries} - 1))
1、backoff_factor = 0.1
(5+1)*3 + (2**(1-1) + 2**(2-1) + 2**(3-1) + 2**(4-1) + 2**(5-1))*0.1
= 18 + 3.1
= 21.1
2、backoff_factor = 0
request start : 2017-04-26 12:51:44
连接错误 HTTPConnectionPool(host='www.x.com', port=80): Max retries exceeded with url: / (Caused by ConnectTimeoutError(<requests.packages.urllib3.connection.HTTPConnection object at 0x10bae0ed0>, 'Connection to www.x.com timed out. (connect timeout=3)'))
request response: 2017-04-26 12:52:02
(5+1)*3
= 18
:return:
"""
from requests.packages.urllib3.util.retry import Retry
from requests.adapters import HTTPAdapter
s = requests.Session()
retries = Retry(total=5,
backoff_factor=0.1,
status_forcelist=[500, 502, 503, 504])
s.mount('http://', HTTPAdapter(max_retries=retries))
s.mount('https://', HTTPAdapter(max_retries=retries))
print 'request start :', time.strftime("%Y-%m-%d %H:%M:%S")
try:
res = s.get('http://www.x.com', timeout=(3, 5))
print res
print res.text
# 连接错误
except requests.exceptions.ConnectionError as e:
print u'连接错误', e.message
# 响应超时
except requests.exceptions.ReadTimeout as e:
print u'响应超时', e.message
print 'request response:', time.strftime("%Y-%m-%d %H:%M:%S")
if __name__ == '__main__':
# test_01()
# test_02()
# test_03()
# test_04()
# test_05()
test_06()
"""
测试页面
index.php
<?php
ini_set('date.timezone','Asia/Shanghai');
//打印时间
echo "process start:".date('h:i:s')."\n";
//暂停 10 秒
sleep(10);
//打印时间
echo "process end :".date('h:i:s');
"""
"""
开启临时服务
php -S 0:8899
"""