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This adds a policy which advises when the user should reboot the system
to avoid noisy test results due to system becoming unstable, for
instance, and therefore continues testing successfully.

To do this, a new module is proposed. A class Monitoring is used for
managing the monitoring rules. Two types of rules, MonitoringFile and
MonitoringLinuxDmesg, derived from the abstract class MonitoringBase,
have been implemented. The first allow to track a pattern on standard
files or locked files. The second, derived from dmesg.LinuxDmesg, will
track a pattern on the dmesg.

The monitoring rules must be defined in piglit.conf at the section
monitored-errors. If one of the regex is found, Piglit will raise a
PiglitAbort exception, stop the test execution -terminating test thread
pool- and exit with code 3.

Then test execution resume, after rebooting the system or not, is done
like usually with command line parameter "resume".

To call it, use command line parameter: --abort-on-monitored-error

This option implies --no-concurrent

This include also a set of unit tests for this module.
Reviewed-by: Dylan Baker <dylanx.c.baker@intel.com>

Use unicode_literals from __future__. This makes undecorated strings
(those not using and b or u prefix) into unicode instead of bytes in
python 2. This means that bytes strings need to have a b prefix now.

This also fixes a couple of unittests that broke during the transition.
Signed-off-by: Dylan Baker <dylanx.c.baker@intel.com>
Acked-by: Jose Fonseca <jfonseca@vmware.com>

This was initially generated via the following sed command:
sed -i \
    -e 's@in \(.*\)\.iter\(values,keys,items\)()@in six.iter\2(\1)@g' \
    -e 's@in \(.*\..*\)\.iter\(values,keys,items\)()@in six.iter\2(\1)@g'

Then cleaned up by hand, including changes for view*.
Signed-off-by: Dylan Baker <dylanx.c.baker@intel.com>
Acked-by: Jose Fonseca <jfonseca@vmware.com>

This patch allows passing '/' separated tests into the
-t/--include-tests -x/--exclude-tests options. This becomes
particularly important to fix since the verbose logger now prints '/'
separated names, as does the console logger.

v2: - fix typos
Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>
Signed-off-by: Dylan Baker <dylanx.c.baker@intel.com>

This is the plunge to change over from the old options model to the new
one. After this change Options is a global value, and no more passing or
creation of new instances is done (except for testing).
Signed-off-by: Dylan Baker <dylanx.c.baker@intel.com>

This changes the behavior of the Options class. Instead of being an
instance that's passed around, it's now treated as a global variable (or
as close to one as python gets to having globals), anyone who needs it
goes and gets it out of the options namespace and uses it.

This patch does a lot of refactoring work that is needed to ensure that
Options continues to work as it did before (where it was mostly
initialized and then passed around), This includes a significant amount
of testing for the new code around Options.

v2: - fix spelling in comments and docstrings
    - Fix _ReList docstring, which was _ReListDescriptor's docstring
    - Fix _ReList.__compile to ensure RegexObject.flags was correct
    - Add docstring to _ReList.__compile
    - Add __delete__ to _ReListDescriptor as NotImplementedError, this
      is just a completeness issue
    - Add/update tests for these changes
    - Remove duplicate addition of 'mock' to tox.ini
Signed-off-by: Dylan Baker <dylanx.c.baker@intel.com>