Allows functional tests to run individually

Registers logging options that memoized_controller checks for.

Change-Id: I80affa4bb996435b36a56c08cdf3d7ead7fd299d

tests/etc/default_functional.conf

@@ -1,3 +1,6 @@
+[DEFAULT]
+log_config_append = tests/etc/logging.conf
+
 [drivers]
 providers = mock,maxcdn,akamai,fastly
 transport = pecan

tests/etc/logging.conf

@@ -0,0 +1,52 @@
+[loggers]
+keys=root,server,combined
+
+[formatters]
+keys=normal,normal_with_name,debug,context
+
+[handlers]
+keys=production,file,devel
+
+[logger_root]
+level=NOTSET
+handlers=devel
+
+[logger_server]
+level=DEBUG
+handlers=devel
+qualname=poppy-server
+
+[logger_combined]
+level=DEBUG
+handlers=devel
+qualname=poppy-combined
+
+[handler_production]
+class=handlers.SysLogHandler
+level=ERROR
+formatter=context
+args=(('localhost', handlers.SYSLOG_UDP_PORT), handlers.SysLogHandler.LOG_USER)
+
+[handler_file]
+class=FileHandler
+level=DEBUG
+formatter=context
+args=('poppy.log', 'w')
+
+[handler_devel]
+class=StreamHandler
+level=NOTSET
+formatter=context
+args=(sys.stdout,)
+
+[formatter_normal]
+format=%(asctime)s %(levelname)s %(message)s
+
+[formatter_normal_with_name]
+format=(%(name)s): %(asctime)s %(levelname)s %(message)s
+
+[formatter_debug]
+format=(%(name)s): %(asctime)s %(levelname)s %(module)s %(funcName)s %(message)s
+
+[formatter_context]
+class = oslo_log.formatters.ContextFormatter

tests/functional/transport/pecan/base.py

@@ -17,6 +17,7 @@ import os
 
 import mock
 from oslo_config import cfg
+from oslo_log import log
 import webtest
 
 from poppy import bootstrap
@@ -36,6 +37,12 @@ class BaseFunctionalTest(base.TestCase):
         conf_path = os.path.join(tests_path, 'etc', 'default_functional.conf')
         cfg.CONF(args=[], default_config_files=[conf_path])
         self.b_obj = bootstrap.Bootstrap(cfg.CONF)
+
+        # memoized_controllers module looks for log options being registered
+        # register them here to avoid `cfg.ArgsAlreadyParsedError` when
+        # running individual functional tests
+        cfg.CONF.register_opts(log._options.logging_cli_opts)
+
         # mock the persistence part for taskflow distributed_task
         mock_persistence = mock.Mock()
         mock_persistence.__enter__ = mock.Mock()