| # This Source Code Form is subject to the terms of the Mozilla Public |
| # License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| # You can obtain one at http://mozilla.org/MPL/2.0/. |
| |
| |
| from __future__ import with_statement |
| from contextlib import closing |
| from StringIO import StringIO |
| |
| try: |
| from abc import abstractmethod |
| except ImportError: |
| # abc is python 2.6+ |
| # from https://github.com/mozilla/mozbase/blob/master/mozdevice/mozdevice/devicemanager.py |
| def abstractmethod(method): |
| line = method.func_code.co_firstlineno |
| filename = method.func_code.co_filename |
| def not_implemented(*args, **kwargs): |
| raise NotImplementedError('Abstract method %s at File "%s", line %s should be implemented by a concrete class' % |
| (repr(method), filename,line)) |
| return not_implemented |
| |
| class Output(object): |
| """ Abstract base class for outputting test results """ |
| |
| @abstractmethod |
| def serialize(self, results_collection, file_obj): |
| """ Writes the string representation of the results collection |
| to the given file object""" |
| |
| def dump_string(self, results_collection): |
| """ Returns the string representation of the results collection """ |
| with closing(StringIO()) as s: |
| self.serialize(results_collection, s) |
| return s.getvalue() |
| |
| |
| # helper functions |
| def count(iterable): |
| """ Return the count of an iterable. Useful for generators. """ |
| c = 0 |
| for i in iterable: |
| c += 1 |
| return c |
| |
| |
| def long_name(test): |
| if test.test_class: |
| return '%s.%s' % (test.test_class, test.name) |
| return test.name |
