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达内:python的web应用开发与测试

  • 时间:2015-12-31
  • 发布:杭州美工培训
  • 来源:达内新闻


    杭州达内软件测试培训专家分享python的web应用开发与测试的方法,代码如下:

同步和异步代码 


class SyncSleepHandler(RequestHandler):
"""
同步的方式,一个延时1s的接口
"""
def get(self):
time.sleep(1)
self.write("when i sleep 5s")
class SleepHandler(RequestHandler):
"""
异步的延时1秒的接口
"""
@tornado.gen.coroutine
def get(self):
yield tornado.gen.Task(
tornado.ioloop.IOLoop.instance().add_timeout,
time.time() + 1
)
self.write("when i sleep 5s")


同步测试结果


?  /  ab -n 200 -c 40 http://localhost:8009/demo/syncsleep-handler/
This is ApacheBench, Version 2.3 <$Revision: 1528965 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking localhost (be patient)
Completed 100 requests
Completed 200 requests
Finished 200 requests
Server Software:        TornadoServer/4.2.1
Server Hostname:        localhost
Server Port:            8009
Document Path:          /demo/syncsleep-handler/
Document Length:        15 bytes
Concurrency Level:      40
Time taken for tests:   200.746 seconds
Complete requests:      200
Failed requests:        0
Total transferred:      42000 bytes
HTML transferred:       3000 bytes
Requests per second:    1.00 [#/sec] (mean)
Time per request:       40149.159 [ms] (mean)
Time per request:       1003.729 [ms] (mean, across all concurrent requests)
Transfer rate:          0.20 [Kbytes/sec] received
Connection Times (ms)
min  mean[+/-sd] median   max
Connect:        0    0   0.2      0       1
Processing:  1005 36235 18692.2  38133  200745
Waiting:     1005 36234 18692.2  38133  200745
Total:       1006 36235 18692.2  38133  200746
Percentage of the requests served within a certain time (ms)
50%  38133
66%  38137
75%  38142
80%  38161
90%  38171
95%  38176
98%  38179
99%  199742
100%  200746 (longest request)


异步测试结果


?  /  ab -n 200 -c 40 http://localhost:8009/demo/sleep-handler/
This is ApacheBench, Version 2.3 <$Revision: 1528965 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking localhost (be patient)
Completed 100 requests
Completed 200 requests
Finished 200 requests
Server Software:        TornadoServer/4.2.1
Server Hostname:        localhost
Server Port:            8009
Document Path:          /demo/sleep-handler/
Document Length:        15 bytes
Concurrency Level:      40
Time taken for tests:   5.083 seconds
Complete requests:      200
Failed requests:        0
Total transferred:      42000 bytes
HTML transferred:       3000 bytes
Requests per second:    39.35 [#/sec] (mean)
Time per request:       1016.611 [ms] (mean)
Time per request:       25.415 [ms] (mean, across all concurrent requests)
Transfer rate:          8.07 [Kbytes/sec] received
Connection Times (ms)
min  mean[+/-sd] median   max
Connect:        0    0   0.4      0       2
Processing:  1001 1010  12.0   1005    1053
Waiting:     1001 1010  12.0   1005    1053
Total:       1001 1010  12.3   1005    1055
Percentage of the requests served within a certain time (ms)
50%   1005
66%   1009
75%   1011
80%   1015
90%   1032
95%   1044
98%   1045
99%   1054
100%   1055 (longest request)

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