def _get_tmp_dir():

    return tempfile.mkdtemp(prefix='rc_integration_test')

def _construct_url(repo, dest=None, **kwargs):

    if dest is None:

        #make temp clone

        dest = _get_tmp_dir()

    params = {

        'user': TEST_USER_ADMIN_LOGIN,

        'passwd': TEST_USER_ADMIN_PASS,

        'host': HOST,

        'cloned_repo': repo,

        'dest': dest

    }

    params.update(**kwargs)

    if params['user'] and params['passwd']:

        _url = 'http://%(user)s:%(passwd)s@%(host)s/%(cloned_repo)s %(dest)s' % params

    else:

        _url = 'http://(host)s/%(cloned_repo)s %(dest)s' % params

    return _url

def _add_files_and_push(vcs, DEST, **kwargs):

    """

    Generate some files, add it to DEST repo and push back

    vcs is git or hg and defines what VCS we want to make those files for

    :param vcs:

    :param DEST:

    """

    # commit some stuff into this repo

    cwd = path = jn(DEST)

    #added_file = jn(path, '%ssetupążźć.py' % _RandomNameSequence().next())

    added_file = jn(path, '%ssetup.py' % _RandomNameSequence().next())

    Command(cwd).execute('touch %s' % added_file)

    Command(cwd).execute('%s add %s' % (vcs, added_file))

    for i in xrange(3):

        cmd = """echo 'added_line%s' >> %s""" % (i, added_file)

        Command(cwd).execute(cmd)

        if vcs == 'hg':

            cmd = """hg commit -m 'commited new %s' -u '%s' %s """ % (

                i, 'Marcin Kuźminski <marcin@python-blog.com>', added_file

            )

        elif vcs == 'git':

                i, 'Marcin Kuźminski <marcin@python-blog.com>', added_file

            )

        Command(cwd).execute(cmd)

    # PUSH it back

    if vcs == 'hg':

        _REPO = HG_REPO

    elif vcs == 'git':

        _REPO = GIT_REPO

    kwargs['dest'] = ''

    clone_url = _construct_url(_REPO, **kwargs)

    if 'clone_url' in kwargs:

        clone_url = kwargs['clone_url']

    if vcs == 'hg':

        stdout, stderr = Command(cwd).execute('hg push --verbose', clone_url)

    elif vcs == 'git':

        stdout, stderr = Command(cwd).execute('git push', clone_url + " master")

    return stdout, stderr

def set_anonymous_access(enable=True):

    user = User.get_by_username(User.DEFAULT_USER)

    user.active = enable

    Session().add(user)

    Session().commit()

    print '\tanonymous access is now:', enable

    if enable != User.get_by_username(User.DEFAULT_USER).active:

        raise Exception('Cannot set anonymous access')

#==============================================================================

# TESTS

#==============================================================================

class TestVCSOperations(unittest.TestCase):

    @classmethod

    def setup_class(cls):

        #DISABLE ANONYMOUS ACCESS

        set_anonymous_access(False)

    def setUp(self):

        r = Repository.get_by_repo_name(GIT_REPO)

        Repository.unlock(r)

        r.enable_locking = False

        Session().add(r)

        Session().commit()