Embedded Linux QA: Unit Testing with Open Source

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Embedded Linux QAUnit Testing with Open Source
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About PHILOSYS Software GmbH

• UNIX/GNU/Linux Software
• 20 years
• Service Provider
• Consulting, Design, Implementation, Maintenance
• Kernel, Networking, Visualization

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QA in Open Source Projects

• Here Technical aspects independent of
  ISO-certification
• Diverse, not always as desired
• Tools to support process

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QA Tools

• Bug Tracking (RequestTracker, OTRS)
• Code Checker (lint etc.)
• Memory Monitor (Valgrind, Electric Fence)
• Compiler Warnings (-Wall -Wextra !)
• Black box testing (dejagnu)
• Unit testing (JUnit, autotools)

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Unit Testing

• Background eXtreme Programming
• Goal Automated, ubiquitous testing
• Frameworks Junit, PyUnit, TestUnit, autounit,
  ...

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Autotools
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autotools

• Standard GNU framework
• autoconf, automake, libtool, etc.
• Used in typical Open Source projects
• Generated configuration scripts in packages
• ./configure make make install
• Goal make test

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Embedded Aspects

• Cross toolchains
• autotools are prepared for cross compilation
• Problem Program execution on target
• TESTS_ENVIRONMENTssh username_at_targethost
• Prerequisite Target is powerful enough to
  execute tests in addition to normal program
• Transparent evaluation of results

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Example Test Protocol
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Thanks for Your Kind Attention!

• More Information
• Philosys Software GmbH
• Edisonstr. 6
• D-85716 Unterschleissheim
• www.philosys.de
• Phone [phone]
• roland.stigge_at_philosys.de