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.Net, .Net Profiling, Windows Azure, Managed Fault Injection, cloud computing, software testing
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Bill Liu's Blog
探索性测试揭秘
Posted
2 days ago
by
billliu
0
Comments
最近看了不少有关探索性测试的讨论和观点,老实说越看越糊涂。所以忍不住吐槽一下,在这里和大家讨论一下探索性测试。希望对于想学习和尝试探索性测试的朋友有所帮助澄清,或者是更加糊涂,^_^。 探索性测试有很多很多的定义: 百度百科的定义:“同时设计测试和执行测试”。 嗯。。什么意思? Cem 老人家的正式定义:“a style of software testing that emphasizes the personal freedom and responsibility...
Bill Liu's Blog
对测试的要求太高?
Posted
11 days ago
by
billliu
1
Comments
微软的软件质量控制实践三篇写完了,收到很多评论。不可能一一回答,所以在这里我挑几个评论最多的和有代表性的,和大家再多讨论一下。希望有所帮助。 1. 对测试的要求太高了 在国内培训的时候经常遇到的一个说法:“(比如测试自动化,工具,流程)的确好处很多,但是它对测试的要求太高了”。刚开始的时候我很惊讶,第一次听到对测试要求太高的说法,后来听多了才慢慢意识到这才是问题所在。如果你认为国内的测试比国外落后N年的话,我觉得“对测试的要求太高了“的观念就是导致这个落后的根本原因...
Bill Liu's Blog
软件质量控制实践――Microsoft 篇 (3)
Posted
18 days ago
by
billliu
0
Comments
7. invest on test engineer’s career 无论产品使用何种方式保障质量,人总是最核心最关键的因素。提高软件质量有无数种方式和无数个因素,如果非要说一个最最重要的方式,那就是激发测试工程师的工作热情。You can only achieve average by working hard, but passion is the one driving to excellence. 为了最大化激发测试工程师的潜能,微软为测试工程师设计一整套完善的职业发展计划...
Bill Liu's Blog
code coverage, what is for after all?
Posted
22 days ago
by
billliu
0
Comments
I was reading discussions on software testing code coverage. The discussion was dominated by what the code coverage number for unit test or overall test are correct or desired. 40%, 60%, 80%, even 100%? some claims that google only requires 60%. some...
Bill Liu's Blog
软件质量控制实践――Microsoft 篇 (2)
Posted
25 days ago
by
billliu
2
Comments
4. Drive quality upstream 我们都知道bug越是滞后发现,修复的成本越高。据微软统计,如果产品发布以后需要发布一个热修复,它的直接成本是150万美元(间接成本在200万美元),而在发布之前的一个月发现的话,修复成本是5万,设计阶段修复成本是1千,需求阶段修复成本是1百。在需求分析阶段,测试人员主要职责就是验证需求分析的可行性和可靠性。PM和DEV的共性是易于乐观,倾向于把实际情况简单化,所以会作出很多假设。比如用户肯定不会这么使用,用户肯定知道如何用,所有用户的环境肯定都有该配置...
Bill Liu's Blog
软件质量控制实践――Microsoft 篇 (1)
Posted
29 days ago
by
billliu
0
Comments
因为工作在微软的缘故,无论我在给国内企业做软件测试内训的时候,还是在质量技术大会上做演讲的时候,问的最多的一个问题就是:微软如何做测试的?前几天看见有人在新浪微博上讨论是否需要专职QA,再有我刚刚决定带领两个google在西雅图的测试工程师一起翻译google的新书《how google tests software》。微软以前也有一本书《how we test software at microsoft》。所以几件事情碰到一起,有感而发,决定写一个“xx公司如何测试的”系列文章...
Bill Liu's Blog
any update on managed fault injection in testapi?
Posted
2 months ago
by
billliu
0
Comments
there is an issue with fault injection api in the latest testapi version (0.6). unfortunately the testapi project on codeplex doesn't seem to be actively maintained any more. so i'm working on creating an new project on codeplex for managed fault injeciton...
Bill Liu's Blog
TechED 2011 北京
Posted
7 months ago
by
billliu
0
Comments
TechED 2011圆满结束了。很荣幸再次接受主办方的邀请,能够亲临大会现场感受,可以说是行程匆匆、收获多多。因为redmond这里工作很忙,加上刚刚回过国,所以这次在国内只呆了一个礼拜。本次行程的几个亮点: 1. 见了几个大学同学,回忆过去,展望未来。带来一瓶白酒,喝的吃的很过瘾。 2.做了两次有关Windows Azure的演讲。 3. 我的新书终于如期出版了《详解Windows Azure云计算平台》。woooh!大半年的奋笔疾书,呕心沥血,总算是小有收获吧。感兴趣的朋友可以在网上预购了...
Bill Liu's Blog
windows azure management portal 中文版
Posted
10 months ago
by
billliu
0
Comments
今天微软发布了最新版本的windows azure管理门户网站(management portal)。令人欣喜的是在该新版本开始支持中文了。虽然Windows Azure在中国大陆暂时还不可以使用,但是我们可以看出微软在继续为在中国推广Windows Azure而打基础的决心还是很大的。另外,中国大陆的用户完全可以学习和研究windows azure. 只是在注册时候选择中国香港。 而且微软经常会推出很多免费使用windows azure的机会,比如现在就有3个月免费(需要信用卡)和1个月免费(不需要信用卡...
Bill Liu's Blog
Microsoft Windows Azure Platform whitepaper (白皮书)
Posted
over 1 year ago
by
billliu
0
Comments
三个星期的圣诞节假期过的真快!今天是上班的第一天,感觉还在度假一样。好在假期时间没有白费,把David的关于windows azure platform whitepaper 好好读了一边。读的过程中顺便翻译了一下。正好还没有发现关于Windows Azure 平台的中文书籍,这也许算是关于Windows azure 平台的中文第一书吧? ^_^。。。 点击附件下载,欢迎宝贵意见。
Bill Liu's Blog
My Demo in TechED 2010 China
Posted
over 2 years ago
by
billliu
0
Comments
上传我在TechED 2010 中国上做的Demo。 以下是一些关于我课程的媒体报道(从百度上搜的): http://cloud.51cto.com/art/201012/236296.htm http://cloud.51cto.com/art/201012/236344.htm http://bbs.tech.163.com/bbs/itchaguan/191646556.html http://soft.cfan.com.cn/win7/201012/26/1293325638d13865...
Bill Liu's Blog
My Session PPT in TechED 2010 China
Posted
over 2 years ago
by
billliu
0
Comments
上传我的演讲PPT.
Bill Liu's Blog
Windows Azure
Posted
over 2 years ago
by
billliu
0
Comments
从北京TechED 2010回来已经快一个月了,一直想开始写一些针对云计算和Windows Azure的东西。主要是这次TechED之行感触很多,特别是国内对云计算技术的热衷。同时我又发现关于云计算的资料少之又少,关于Windows Azure学习资料就更是寥寥无几了。所以我想在我的博客中开始写关于云计算的东西。该博客 1. 面向国内用户 (所以我用中文了 :) ) 2. 专注于Windows Azure 技术,因为我在这个组工作 :)。 这次中国之旅非常匆忙。共做了5次演讲: 外包公司两次...
Bill Liu's Blog
Fault Injection to Web application or Windows service
Posted
over 2 years ago
by
billliu
1
Comments
I have been busy since this march when i moved to Azure team. since then, a newer version of TestAPI (v0.5) was released. we take a few bugs fix in this release. one of them is .net 4.0 compatible. in my previous post, i mentioned that you need to set...
Bill Liu's Blog
if it still not working
Posted
over 2 years ago
by
billliu
0
Comments
if you're sure that you followed exact steps in my previous blogs, but it seems the tool still not working. there are a few known issues that you can check to see if it's your case: 1. .NET 4.0 the current version (TestAPI 0.4) does NOT work on...
Bill Liu's Blog
Fault Injection For Managed Code
Posted
over 2 years ago
by
billliu
1
Comments
Introduction As part of software testing, we often want to know how the software behaves under failure conditions and to know whether the software system correctly handles error conditions, such as low memory, loss of network connectivity or dependent...
Bill Liu's Blog
Introduction
Posted
over 2 years ago
by
billliu
0
Comments
Hi, Welcome to my blog! My name is Biao (Bill) Liu. I'm a Software Design Engineer in Test in Microsoft. I own the Managed Fault Injection Tool released as part of TestAPI in codeplex ( http://testapi.codeplex.com/Wikipage ). So, I will mainly blog on...
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