Keep a Perspective on Code Risks ByPeter Coffee 2006-09-11
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Opinion: Software testing tools are part of a balanced approach to IT assurance.
I'm now in the process of reviewing Parasoft's Jtest 8.0, released
today as the latest update to a Java code testing tool that I've tracked
now through several versions.
Notable improvements in Version 8 include the addition of new
capability to trace code behavior through complex applications, as well
as integration of code review processes into the test tool's own
environment.
Looking at any code quality tool raises issues that apply to all
such tools and to the processes in which those tools are used. I looked
at some of these a year ago in connection with development
outsourcing. It's increasingly important, as I noted then, for code
quality tools to go beyond detecting problems and become actual aids to
developer team collaboration and problem solution.
You'll find a discussion of challenges involved in managing
decentralized development teams in an interview in next week's eWEEK,
in the Developer Solutions special section: If you don't get that as
part of your eWEEK every Monday, it will also be available on
eWEEK.com. I spoke for that Q&A story with Jack Blount, a seasoned
development manager who's worked with dispersed teams in multiple time
zones at companies ranging from small startups to IBM.
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One of the key issues that Blount identified is that developers are
being brought much closer to the firing line of applications' alignment
with business needs. When developers express resistance to agile
development methods, Blount opined, they may really be reacting to the
sense of greater exposure toand accountability forthe speed and
criticality of changes in requirements. Many developers, he suggested,
enjoy the sense of productivity that comes from meeting a
specification, even if it's traditional for developers to complain
about excessive documentation getting in the way of writing code. When
developers find themselves closer to the heat of the fire of responding
to the need rather than satisfying the specification, he said, it's
bound to create some anxiety.
Thinking about development risk creates unavoidable resonance with
other risk discussions taking place on the fifth anniversary of the 9/11 attacks on the World Trade Center and the Pentagon. A somewhat
irreverent commentary
on the 9/11 anniversary tabulates the number of deaths that
actually occurred in the United States from various causes during the
11-year period from 1995 through 2005: As best can be determined,
52,000 people died while walking down the street during that period,
compared with 3,147 who died from terrorist acts.
My point in bringing up these figures, with apologies to anyone who had
a personal connection with the tragedy of 9/11, is that risks need to
be kept in perspective. A huge amount of attention and money gets spent
on protecting IT systems from ingenious and malicious attacks. If the
goal, though, is to earn a good return on IT investment with high
availability of strategic applications that solve relevant problems in
a way that creates competitive advantage, the seemingly mundane tasks
of writing accurate and reasonable requirements and of rapidly
converging on code that reliably meets them should perhaps be higher on
the enterprise development agenda.