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dotbot/dotbot/tester.py

41 lines
1.4 KiB
Python

from dotbot.condition import Condition
from dotbot.messenger import Messenger
class Tester(object):
def __init__(self, context):
self._context = context
self._log = Messenger()
self.__load_conditions()
def __load_conditions(self):
self._plugins = [plugin(self._context) for plugin in Condition.__subclasses__()]
def evaluate(self, tests):
normalized = self.normalize_tests(tests)
for task in normalized:
for action in task:
for plugin in self._plugins:
if plugin.can_handle(action):
try:
local_success = plugin.handle(action, task[action])
if not local_success:
return False
except Exception as err:
self._log.error("An error was encountered while testing condition %s" % action)
self._log.debug(err)
return False
return True
def normalize_tests(self, tests):
if isinstance(tests, str):
return [ { 'shell': tests } ]
elif isinstance(tests, dict):
return [ tests ]
elif isinstance(tests, list):
return map(lambda test: { 'shell': test } if isinstance(test, str) else test, tests)
else:
# TODO error
return []