Megatest

<div class="paragraph"><p>A item based waiton will start items in a test when the same-named
item is COMPLETED and PASS, CHECK or WAIVED in the prior test. This
was historically called "itemwait" mode. The terms "itemwait" and
"itemmatch" are synonyms.</p></div>
<div class="listingblock">
<div class="content monospaced">
<pre>[requirements]
waiton precedingtest
mode itemmatch</pre>
</div></div>
</div>
</div>
<div class="sect2">
<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>

# Use this trick to unset variables
#{scheme (unsetenv "FOOBAR")}</pre>
</div></div>
</div>
<div class="sect2">
<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 itemwait/itemmatch
mode by specifying rules on how to map the waiton&#8217;s item name to the current test&#8217;s item name.</p></div>
<div class="listingblock">
<div class="title">example for removing part of itemmap for waiton test (eg: item <span class="monospaced">foo-x/bar</span> depends on waiton&#8217;s item <span class="monospaced">y/bar</span>)</div>
<div class="content monospaced">
<pre>[requirements]
mode itemwait
waiton precedingtest
# itemmap &lt;item pattern for this test&gt;  &lt;item replacement pattern for waiton test&gt;
itemmap .*x/ y/</pre>
</div></div>
<div class="listingblock">
<div class="title">example for removing part of itemmap for waiton test (eg: item <span class="monospaced">foo/bar/baz</span> in this test depends on waiton&#8217;s item <span class="monospaced">baz</span>)</div>
<div class="content monospaced">
<pre># ## pattern replacement notes
#
# ## Example
# ## Remove everything up to the last /
[requirements]
mode itemwait
waiton precedingtest
# itemmap &lt;item pattern for this test&gt; &lt;nothing here indicates removal&gt;
itemmap .*/</pre>
</div></div>
<div class="listingblock">
<div class="title">example replacing part of itemmap for (eg: item <span class="monospaced">foo/1234</span> will imply waiton&#8217;s item <span class="monospaced">bar/1234</span>)</div>
<div class="content monospaced">
<pre>#
# ## Example
# ## Replace foo/ with bar/
[requirements]
mode itemwait
waiton precedingtest
# itemmap &lt;item pattern for this test&gt;  &lt;item replacement pattern for waiton test&gt;
itemmap foo/ bar/</pre>
</div></div>
<div class="listingblock">
<div class="title">example for backreference (eg: item <span class="monospaced">foo23/thud</span> will imply waiton&#8217;s item <span class="monospaced">num-23/bar/thud</span></div>
<div class="content monospaced">
<pre>#
# ## Example
# ## can use \{number} in replacement pattern to backreference a (capture) from matching pattern similar to sed or perl
[requirements]
mode itemwait
waiton precedingtest
# itemmap &lt;item pattern for this test&gt;  &lt;item replacement pattern for waiton test&gt;
itemmap foo(\d+)/ num-\1/bar/</pre>
</div></div>
<div class="listingblock">
<div class="title">example multiple itemmaps</div>
<div class="content monospaced">
<pre># multi-line; matches are applied in the listed order
# The following would map:
#   a123b321 to b321fooa123 then to 321fooa123p
#
[requirements]
modw itemwait
waiton precedingtest
itemmap (a\d+)(b\d+) \2foo\1
  b(.*) \1p</pre>
</div></div>
<div class="sect3">
<h4 id="_complex_mapping">Complex mapping</h4>
<div class="paragraph"><p>Complex mappings can be handled with a separate [itemmap] section (instead if an itemmap line in the [requirements] section)</p></div>
<div class="paragraph"><p>Each line in an itemmap section starts with a waiton test name followed by an itemmap expression</p></div>

</div>
<div class="paragraph"><p>We accomplish this by configuring the testconfigs of our tests C D and E as follows:</p></div>
<div class="listingblock">
<div class="title">Testconfig for Test E has</div>
<div class="content monospaced">
<pre>[requirements]
waiton C
mode itemwait
itemmap (\d+)/res \1/bb</pre>
</div></div>
<div class="listingblock">
<div class="title">Testconfig for Test D has</div>
<div class="content monospaced">
<pre>[requirements]
waiton C
mode itemwait
itemmap (\d+)/res \1/aa</pre>
</div></div>
<div class="listingblock">
<div class="title">Testconfig for Test C has</div>
<div class="content monospaced">
<pre>[requirements]
waiton A B
mode itemwait

[itemmap]
A (\d+)/aa aa/\1
B (\d+)/bb bb/\1</pre>
</div></div>
<div class="listingblock">
<div class="title">Testconfigs for Test B and Test A have no waiton or itemmap configured</div>