[Bug 36179] New: Tests fail with G_IO_ERROR_TOO_MANY_OPEN_FILES

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36179

           Summary: Tests fail with G_IO_ERROR_TOO_MANY_OPEN_FILES
           Product: Telepathy
           Version: unspecified
          Platform: Other
               URL: http://cgit.collabora.co.uk/git/user/wjt/telepathy-gab
                    ble-wjt.git/log/?h=test-failures-due-to-fd-limit
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: gabble
        AssignedTo: telepathy-bugs at lists.freedesktop.org
        ReportedBy: will.thompson at collabora.co.uk
         QAContact: telepathy-bugs at lists.freedesktop.org


Somewhere during the Jingle test cases, 'make check' fails with
G_IO_ERROR_TOO_MANY_OPEN_FILES. This seems to be solely related to the number
of tests which have been run: the attached branch includes a test case which
simply connects and disconnects repeatedly, forever, until Gabble fails to
connect.

I don't think it's an actual leak, per se: the fact that subsequent tests pass
after the unluckily-placed Jingle test times out suggests that allowing Gabble
a few seconds to recuperate and release its FDs.

The attached branch also adds a leak fix to gabbletest.py which makes the
jingle tests measurably faster: from ~65 seconds to ~60 seconds on average. It
should have a similar effect on the bytestream tests, and any other tests which
run more than one test case from the same Python program.

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