Megatest

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<pre>runscript main.csh</pre>
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<h3 id="_requirements_section">Requirements section</h3>
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<div class="title">Header</div>
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<pre>[requirements]</pre>
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<h4 id="_wait_on_other_tests">Wait on Other Tests</h4>
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<pre># A normal waiton waits for the prior tests to be COMPLETED
# and PASS, CHECK or WAIVED
waiton test1 test2</pre>

"itemmatch" are synonyms.</p></div>
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<pre>[requirements]
mode itemmatch</pre>
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<h3 id="_overriding_enviroment_variables">Overriding Enviroment Variables</h3>
<div class="paragraph"><p>Override variables before starting the test. Can include files (perhaps generated by megatest -envdelta or similar).</p></div>
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<pre>[pre-launch-env-vars]
VAR1 value1

# Get some generated settings
[include ../generated-vars.config]

# Use this trick to unset variables
#{scheme (unsetenv "FOOBAR")}</pre>
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<h3 id="_itemmap_handling">Itemmap Handling</h3>
<div class="paragraph"><p>For cases were the dependent test has a similar but not identical
itempath to the downstream test an itemmap can allow for itemmatch
mode</p></div>
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<div class="title">Testconfig for Test C</div>
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<pre>[requirements]
waiton A B

[itemmap]
A (\d+)/aa aa/\1
B (\d+)/bb</pre>
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<div class="title">Testconfig for Test D</div>
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<pre>[requirements]
waiton C
itemmap (\d+)/res \1/aa</pre>

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<div class="title">Autogeneration waiton list for dynamic flow dependency trees</div>
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<pre>[requirements]
# With a toplevel test you may wish to generate your list
# of tests to run dynamically
#
waiton #{shell get-valid-tests-to-run.sh}</pre>
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<h4 id="_run_time_limit_2">Run time limit</h4>
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<pre>[requirements]
runtimelim 1h 2m 3s  # this will automatically kill the test if it runs for more than 1h 2m and 3s</pre>
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<h4 id="_skip">Skip</h4>
<div class="paragraph"><p>A test with a skip section will conditional skip running.</p></div>
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<div class="title">Skip section example</div>

# Archives will be organised under these paths like this:
#  <testsuite>/<creationdate>
# Within the archive the data is structured like this:
#  <target>/<runname>/<test>/
archive0 /mfs/myarchive-data/adisk1</pre>
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<h2 id="_handling_environment_variables">Handling Environment Variables</h2>
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<div class="paragraph"><p>It is often necessary to capture and or manipulate environment
variables. Megatest has some facilities built in to help.</p></div>
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<h3 id="_capture_variables">Capture variables</h3>
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<div class="title">Commands</div>
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<pre># capture the current enviroment into a db called envdat.db under
# the context "before"
megatest -envcap before

# capture the current environment into a db called startup.db with
# context "after"
megatest -envcap after startup.db

# write the diff from before to after
megatest -envdelta before-after -dumpmode bash</pre>
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<div class="paragraph"><p>Dump modes include bash, csh and config. You can include config data
into megatest.config or runconfigs.config.</p></div>
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<div class="title">Example of generating and using config data</div>
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<pre>megatest -envcap original
# do some stuff here
megatest -envcap munged
megatest -envdelta original-munged -dumpmode ini -o modified.config</pre>
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<div class="paragraph"><p>Then in runconfigs.config</p></div>
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<div class="title">Example of using modified.config in a testconfig</div>
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<pre>cat testconfig

[pre-launch-env-vars]
[include modified.config]</pre>
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<h2 id="_programming_api">Programming API</h2>
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<div class="paragraph"><p>These routines can be called from the megatest repl.</p></div>
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Version 1.0<br>
Last updated 2015-09-13 12:16:43 MST

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