# -*- coding: utf-8 -*-

"""

 (c) 2016 - Copyright Red Hat Inc

 Authors:

   Pierre-Yves Chibon <pingou@pingoured.fr></pingou@pingoured.fr>

"""

__requires__ = ['SQLAlchemy >= 0.8']

import pkg_resources

import datetime

import unittest

import sys

import time

import os

import flask

import flask_wtf

from mock import patch

sys.path.insert(0, os.path.join(os.path.dirname(

    os.path.abspath(__file__)), '..'))

import pagure.forms

import tests

class PagureFlaskFormTests(tests.Modeltests):

    """ Tests for forms of the flask application """

    def setUpt(self):

        pagure.APP.config['TESTING'] = True

        pagure.APP.config['SERVER_NAME'] = 'pagure.org'

        pagure.SESSION = self.session

        self.app = pagure.APP.test_client()

    def test_csrf_form_no_input(self):

        """ Test the CSRF validation if not CSRF is specified. """

        with pagure.APP.test_request_context(method='POST'):

            form = pagure.forms.ConfirmationForm()

            self.assertFalse(form.validate_on_submit())

    def test_csrf_form_w_invalid_input(self):

        """ Test the CSRF validation with an invalid CSRF specified. """

        with pagure.APP.test_request_context(method='POST'):

            form = pagure.forms.ConfirmationForm()

            form.csrf_token.data = 'foobar'

            self.assertFalse(form.validate_on_submit())

    def test_csrf_form_w_input(self):

        """ Test the CSRF validation with a valid CSRF specified. """

        with pagure.APP.test_request_context(method='POST'):

            form = pagure.forms.ConfirmationForm()

            form.csrf_token.data = form.csrf_token.current_token

            self.assertTrue(form.validate_on_submit())

    def test_csrf_form_w_expired_input(self):

        """ Test the CSRF validation with an expired CSRF specified. """

        with pagure.APP.test_request_context(method='POST'):

            form = pagure.forms.ConfirmationForm()

            data = form.csrf_token.current_token

            _, hmac_csrf = data.split('##', 1)

            # CSRF token expired

            if hasattr(flask_wtf, '__version__') and \

                    tuple(flask_wtf.__version__.split('.')) >= (0,10,0):

                expires = time.time() - 1

            else:

                expires = (

                    datetime.datetime.now() - datetime.timedelta(minutes=1)

                ).strftime('%Y%m%d%H%M%S')

            form.csrf_token.data = '%s##%s' % (expires, hmac_csrf)

            self.assertFalse(form.validate_on_submit())

    def test_csrf_form_w_unexpiring_input(self):

        """ Test the CSRF validation with a CSRF not expiring. """

        pagure.APP.config['WTF_CSRF_TIME_LIMIT'] = None

        with pagure.APP.test_request_context(method='POST'):

            form = pagure.forms.ConfirmationForm()

            data = form.csrf_token.current_token

            _, hmac_csrf = data.split('##', 1)

            # CSRF can no longer expire, they have no expiration info

            form.csrf_token.data = '##%s' % hmac_csrf

            self.assertTrue(form.validate_on_submit())

if __name__ == '__main__':

    SUITE = unittest.TestLoader().loadTestsFromTestCase(

        PagureFlaskFormTests)

    unittest.TextTestRunner(verbosity=2).run(SUITE)