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Component Interface Testing

Component Interface Testing. SciDAC Quarterly Report Argonne, IL William McLendon Ron Oldfield Sandia National Laboratories.

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Component Interface Testing

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  1. Component Interface Testing SciDAC Quarterly Report Argonne, IL William McLendon Ron Oldfield Sandia National Laboratories Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company,for the United States Department of Energy under contract DE-AC04-94AL85000.

  2. Twisted Python Info • Framework, written in Python for writing networked applications. • Some Features: • web server • RDDB interface • Object broker • Asynchronous event handling • Distributed Applications • http://www.twistedmatrix.com/

  3. APItest v0.1.2 Overview • Continuing work with APItest v0.1.2 • HTTP Interface development • Test Types • Shell • Script • Extensability (define new types easily) • 3rd party libraries • Twisted Python • http://www.effbot.org/ (elementtree) • Now available via Sandia FTP: • ftp://ftp.sandia.gov/outgoing/apitest/ • Posted in SciDAC notes

  4. APItest 0.1.2 & Python • Collaboration with Scott Jackson • Stderr/Stdout bug with python Popen3 • Problem was when a script or program generated a lot of stderr and stdout. • deadlock! • Twisted provides SpawnProcess() • Fixed deadlocking problem! • Asynchronous interface via Deferred() • Required rewriting a lot of code to support asynchronous file operation mode. • APItest is better because of it! • More responsive http server, etc. • Accounted for most of the work this Quarter.

  5. Test Run Tracking & Grouping • APItest v0.1.2 has better support for browsing test data within a ‘session’ • Browse test “Run” data • Time stamped • Test Run Overview • Batches • Tests • timestamps • md5sum on test file • Batch and Test data stored in an in-memory database but in XML file format. Writing out data to file should be available soon™.

  6. sciptTest XML Example • <testDef> • <info>Multiline CDATA BUFFER</info> • <test name="timestamp1" • type="script” • minPctMatch="100" • maxPctMatch="100" • numReps="1" • onMismatch="CONTINUE"> • <command interpreter="/bin/csh" wdir="/tmp"> • foreach i (1 2 3 4 5) • set theDate = `date` • echo "timestamp1 :${i}: $theDate” • sleep 5 • end • </command> • <output name="stdout" format="regexp">.*timestamp1.*</output> • <outputname="stderr" format="literal" /> • <output name="status" format="literal">0</output> • </test> • </testDef>

  7. Batch File XML • <testBatch> • <info>Test batch file.</info> • <testname="shell/scriptTest2.apt" /> • <testname="shell/cmdTest1.apt" type="TEST" /> • <depparent="shell/scriptTest1.apt" child="shell/scriptTest2.apt" status="PASS" /> • <depparent="shell/cmdTest1.apt" child="shell/cmdTest2.apt" • ptype="TEST" ctype="TEST" /> • <depparent="shell/cmdTest2.apt" child="shell/scriptTest1.apt" status="ANY" /> • <depparent="shell/scriptTest1.apt" child="batch2.apb" ctype="BATCH" /> • <depparent="shell/cmdTest2.apt" child="shell/scriptTest2.apt" /> • </testBatch>

  8. Questions? Demo? ftp://ftp.sandia.gov/outgoing/apitest/

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