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Location: kallithea/rhodecode/tests/vcs/base.py
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follow Python conventions for boolean values
True and False might be singletons and the "default" values for "boolean"
expressions, but "all" values in Python has a boolean value and should be
evaluated as such. Checking with 'is True' and 'is False' is thus confusing,
error prone and unnessarily complex.
If we anywhere rely and nullable boolean fields from the database layer and
don't want the null value to be treated as False then we should check
explicitly for null with 'is None'.
True and False might be singletons and the "default" values for "boolean"
expressions, but "all" values in Python has a boolean value and should be
evaluated as such. Checking with 'is True' and 'is False' is thus confusing,
error prone and unnessarily complex.
If we anywhere rely and nullable boolean fields from the database layer and
don't want the null value to be treated as False then we should check
explicitly for null with 'is None'.
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Module providing backend independent mixin class. It requires that
InMemoryChangeset class is working properly at backend class.
"""
import os
from rhodecode.lib import vcs
import time
import shutil
import datetime
from rhodecode.lib.vcs.utils.compat import unittest
from conf import SCM_TESTS, get_new_dir
from rhodecode.lib.vcs.nodes import FileNode
class BackendTestMixin(object):
"""
This is a backend independent test case class which should be created
with ``type`` method.
It is required to set following attributes at subclass:
- ``backend_alias``: alias of used backend (see ``vcs.BACKENDS``)
- ``repo_path``: path to the repository which would be created for set of
tests
- ``recreate_repo_per_test``: If set to ``False``, repo would NOT be created
before every single test. Defaults to ``True``.
"""
recreate_repo_per_test = True
@classmethod
def get_backend(cls):
return vcs.get_backend(cls.backend_alias)
@classmethod
def _get_commits(cls):
commits = [
{
'message': u'Initial commit',
'author': u'Joe Doe <joe.doe@example.com>',
'date': datetime.datetime(2010, 1, 1, 20),
'added': [
FileNode('foobar', content='Foobar'),
FileNode('foobar2', content='Foobar II'),
FileNode('foo/bar/baz', content='baz here!'),
],
},
{
'message': u'Changes...',
'author': u'Jane Doe <jane.doe@example.com>',
'date': datetime.datetime(2010, 1, 1, 21),
'added': [
FileNode('some/new.txt', content='news...'),
],
'changed': [
FileNode('foobar', 'Foobar I'),
],
'removed': [],
},
]
return commits
@classmethod
def setUpClass(cls):
Backend = cls.get_backend()
cls.backend_class = Backend
cls.repo_path = get_new_dir(str(time.time()))
cls.repo = Backend(cls.repo_path, create=True)
cls.imc = cls.repo.in_memory_changeset
for commit in cls._get_commits():
for node in commit.get('added', []):
cls.imc.add(FileNode(node.path, content=node.content))
for node in commit.get('changed', []):
cls.imc.change(FileNode(node.path, content=node.content))
for node in commit.get('removed', []):
cls.imc.remove(FileNode(node.path))
cls.tip = cls.imc.commit(message=unicode(commit['message']),
author=unicode(commit['author']),
date=commit['date'])
@classmethod
def tearDownClass(cls):
if not getattr(cls, 'recreate_repo_per_test', False) and \
'VCS_REMOVE_TEST_DIRS' in os.environ:
shutil.rmtree(cls.repo_path)
def setUp(self):
if getattr(self, 'recreate_repo_per_test', False):
self.__class__.setUpClass()
def tearDown(self):
if getattr(self, 'recreate_repo_per_test', False) and \
'VCS_REMOVE_TEST_DIRS' in os.environ:
shutil.rmtree(self.repo_path)
# For each backend create test case class
for alias in SCM_TESTS:
attrs = {
'backend_alias': alias,
}
cls_name = ''.join(('%s base backend test' % alias).title().split())
bases = (BackendTestMixin, unittest.TestCase)
globals()[cls_name] = type(cls_name, bases, attrs)
if __name__ == '__main__':
unittest.main()
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