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QA/Automation/Projects/WebRTC/Crashtest Guide: Difference between revisions
QA/Automation/Projects/WebRTC/Crashtest Guide (view source)
Revision as of 13:23, 13 December 2012
, 13 December 2012→Choose a bug (best one that is already verified) and reproduce the test case using an earlier version of firefox
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The following is best explained with an example: | The following is best explained with an example: | ||
We take a bug, e.g Bug https://bugzilla.mozilla.org/show_bug.cgi?id=803535 critical, VERIFIED FIXED, WebRTC crash [@mozilla::MediaEngineDefault::EnumerateAudioDevices] | We take a bug, e.g Bug https://bugzilla.mozilla.org/show_bug.cgi?id=803535 <tt>critical, VERIFIED FIXED, WebRTC crash [@mozilla::MediaEngineDefault::EnumerateAudioDevices]</tt> | ||
Take the submitted testcase and create a suitable file (usually HTML file) on your harddrive. | Take the submitted testcase and create a suitable file (usually HTML file) on your harddrive. | ||
Now obtain a build from the day this bug was submitted using mozdownload. In this case it was: 2012-10-19 07:31 PDT (top right of the bug report) | Now obtain a build from the day this bug was submitted using <tt>mozdownload</tt>. In this case it was: <tt>2012-10-19 07:31 PDT</tt> (top right of the bug report) | ||
Now call | Now call | ||
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mozdownload --type=daily –date=2012-10-19 | mozdownload --type=daily –date=2012-10-19 | ||
from the command line. This should download a file called | from the command line. This should download a file called <tt>2012-10-19-03-05-51-mozilla-central-firefox-19.0a1.en-US.linux-x86_64.tar.bz2</tt>. | ||
Unpack this version of firefox and start it from command line with | Unpack this version of firefox and start it from command line with | ||
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{| border="1" cellpadding="5" | {| border="1" cellpadding="5" | ||
|'''SIDE NOTE:'''<br> | |'''SIDE NOTE:'''<br> | ||
If it crashes straight away, it is possible to check the stacktrace by starting the nightly build and going on the page about:crashes | If it crashes straight away, it is possible to check the stacktrace by starting the nightly build and going on the page <tt>about:crashes</tt> | ||
Also, please make sure that | Also, please make sure that <tt>media.navigator.enabled</tt> and <tt>media.peerconnection.enabled</tt> in <tt>about:config</tt> is set to '''<tt>true</tt>''' before testing for the crash. If these are not enabled, nothing will happen. | ||
|} | |} | ||