Beispiel #1
0
def new_task(project_id):
    """Return a new task for a project."""
    # Check if the request has an arg:
    try:
        tasks, timeout, cookie_handler = _retrieve_new_task(project_id)

        if type(tasks) is Response:
            return tasks

        user_id_or_ip = get_user_id_or_ip()
        # If there is a task for the user, return it
        if tasks is not None:
            guard = ContributionsGuard(sentinel.master, timeout=timeout)
            for task in tasks:
                guard.stamp(task, user_id_or_ip)
                if not guard.check_task_presented_timestamp(
                        task, user_id_or_ip):
                    guard.stamp_presented_time(task, user_id_or_ip)
                else:
                    # user returning back for the same task
                    # original presented time has not expired yet
                    # to continue original presented time, extend expiry
                    guard.extend_task_presented_timestamp_expiry(
                        task, user_id_or_ip)

            data = [
                TaskAuth.dictize_with_access_control(task) for task in tasks
            ]
            add_task_signature(data)
            if len(data) == 0:
                response = make_response(json.dumps({}))
            elif len(data) == 1:
                response = make_response(json.dumps(data[0]))
            else:
                response = make_response(json.dumps(data))
            response.mimetype = "application/json"
            cookie_handler(response)
            return response
        return Response(json.dumps({}), mimetype="application/json")
    except Exception as e:
        return error.format_exception(e, target='project', action='GET')
class TestContributionsGuard(object):
    def setUp(self):
        sentinel = Sentinel(app=FakeApp())
        self.connection = sentinel.master
        self.connection.flushall()
        self.guard = ContributionsGuard(self.connection)
        self.anon_user = {'user_id': None, 'user_ip': '127.0.0.1'}
        self.auth_user = {'user_id': 33, 'user_ip': None}
        self.task = Task(id=22)

    # Task requested guard tests

    def test_stamp_registers_specific_user_id_and_task(self):
        key = 'pybossa:task_requested:user:33:task:22'

        self.guard.stamp(self.task, self.auth_user)

        assert key in self.connection.keys(), self.connection.keys()

    def test_stamp_registers_specific_user_ip_and_task_if_no_id_provided(self):
        key = 'pybossa:task_requested:user:127.0.0.1:task:22'

        self.guard.stamp(self.task, self.anon_user)

        assert key in self.connection.keys(), self.connection.keys()

    def test_stamp_expires_in_one_hour(self):
        key = 'pybossa:task_requested:user:33:task:22'
        ONE_HOUR = 60 * 60

        self.guard.stamp(self.task, self.auth_user)

        assert self.connection.ttl(key) == ONE_HOUR, self.connection.ttl(key)

    @patch('pybossa.contributions_guard.make_timestamp')
    def test_stamp_adds_a_timestamp_when_the_task_is_stamped(
            self, make_timestamp):
        make_timestamp.return_value = "now"
        key = 'pybossa:task_requested:user:127.0.0.1:task:22'

        self.guard.stamp(self.task, self.anon_user)

        assert self.connection.get(key) == 'now'

    def test_check_task_stamped_returns_False_for_non_stamped_task(self):
        assert self.guard.check_task_stamped(self.task,
                                             self.auth_user) is False

    def test_check_task_stamped_returns_True_for_auth_user_who_requested_task(
            self):
        self.guard.stamp(self.task, self.auth_user)

        assert self.guard.check_task_stamped(self.task, self.auth_user) is True

    def test_check_task_stamped_returns_True_for_anon_user_who_requested_task(
            self):
        self.guard.stamp(self.task, self.anon_user)

        assert self.guard.check_task_stamped(self.task, self.anon_user) is True

    def test_retrieve_timestamp_returns_None_for_non_stamped_task(self):
        assert self.guard.retrieve_timestamp(self.task, self.auth_user) is None

    @patch('pybossa.contributions_guard.make_timestamp')
    def test_retrieve_timestamp_returs_the_timestamp_for_stamped_task(
            self, make_timestamp):
        make_timestamp.return_value = "now"
        self.guard.stamp(self.task, self.auth_user)

        assert self.guard.retrieve_timestamp(self.task,
                                             self.auth_user) == 'now'

    # Task presented guard tests

    def test_stamp_presented_time_registers_specific_user_id_and_task(self):
        key = 'pybossa:task_presented:user:33:task:22'

        self.guard.stamp_presented_time(self.task, self.auth_user)

        assert key in self.connection.keys(), self.connection.keys()

    def test_stamp_presented_time_registers_user_as_None_and_task_if_no_id_provided(
            self):
        key = 'pybossa:task_presented:user:None:task:22'

        self.guard.stamp_presented_time(self.task, self.anon_user)

        assert key in self.connection.keys(), self.connection.keys()

    def test_stamp_presented_time_expires_in_one_hour(self):
        key = 'pybossa:task_presented:user:33:task:22'
        ONE_HOUR = 60 * 60

        self.guard.stamp_presented_time(self.task, self.auth_user)

        assert self.connection.ttl(key) == ONE_HOUR, self.connection.ttl(key)

    @patch('pybossa.contributions_guard.make_timestamp')
    def test_stamp_presented_time_adds_a_timestamp_when_the_task_is_stamped(
            self, make_timestamp):
        make_timestamp.return_value = "now"
        key = 'pybossa:task_presented:user:33:task:22'

        self.guard.stamp_presented_time(self.task, self.auth_user)

        assert self.connection.get(key) == 'now'

    def test_check_task_presented_stamped_returns_False_for_non_stamped_task(
            self):
        assert self.guard.check_task_presented_timestamp(
            self.task, self.auth_user) is False

    def test_check_task_presented_stamped_returns_True_for_auth_user_who_was_presented_task(
            self):
        self.guard.stamp_presented_time(self.task, self.auth_user)

        assert self.guard.check_task_presented_timestamp(
            self.task, self.auth_user) is True

    def test_check_task_presented_stamped_returns_True_for_anon_user_who_was_presented_task(
            self):
        self.guard.stamp_presented_time(self.task, self.anon_user)

        assert self.guard.check_task_presented_timestamp(
            self.task, self.anon_user) is True

    def test_retrieve_presented_timestamp_returns_None_for_non_stamped_task(
            self):
        assert self.guard.retrieve_presented_timestamp(self.task,
                                                       self.anon_user) is None

    @patch('pybossa.contributions_guard.make_timestamp')
    def test_retrieve_presented_timestamp_returs_the_timestamp_for_stamped_task(
            self, make_timestamp):
        make_timestamp.return_value = "now"
        self.guard.stamp_presented_time(self.task, self.auth_user)

        assert self.guard.retrieve_presented_timestamp(self.task,
                                                       self.auth_user) == 'now'