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

# copyright 2012 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr

#

# This file is part of CubicWeb.

#

# CubicWeb is free software: you can redistribute it and/or modify it under the

# terms of the GNU Lesser General Public License as published by the Free

# Software Foundation, either version 2.1 of the License, or (at your option)

# any later version.

#

# CubicWeb is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more

# details.

#

# You should have received a copy of the GNU Lesser General Public License along

# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.

from functools import partial

from logilab.common.testlib import unittest_main

from cubicweb.devtools.testlib import CubicWebTC

from cubicweb import view

from cubicweb.predicates import is_instance

class IDownloadableTC(CubicWebTC):

    def setUp(self):

        super(IDownloadableTC, self).setUp()

        class IDownloadableUser(view.EntityAdapter):

            __regid__ = 'IDownloadable'

            __select__ = is_instance('CWUser')

            def download_content_type(self):

                """return MIME type of the downloadable content"""

                return 'text/plain'

            def download_encoding(self):

                """return encoding of the downloadable content"""

                return 'ascii'

            def download_file_name(self):

                """return file name of the downloadable content"""

                return  self.entity.name() + '.txt'

            def download_data(self):

                return 'Babar is not dead!'

        self.vreg.register(IDownloadableUser)

        self.addCleanup(partial(self.vreg.unregister, IDownloadableUser))

    def test_header_simple_case(self):

        req = self.request()

        req.form['vid'] = 'download'

        req.form['eid'] = str(req.user.eid)

        data = self.ctrl_publish(req,'view')

        get = req.headers_out.getRawHeaders

        self.assertEqual(['attachment;filename="admin.txt"'],

                         get('content-disposition'))

        self.assertEqual(['text/plain;charset=ascii'],

                         get('content-type'))

        self.assertEqual('Babar is not dead!', data)

    def test_header_with_space(self):

        req = self.request()

        self.create_user(req, login=u'c c l a', password='babar')

        self.commit()

        with self.login(u'c c l a', password='babar'):

            req = self.request()

            req.form['vid'] = 'download'

            req.form['eid'] = str(req.user.eid)

            data = self.ctrl_publish(req,'view')

            get = req.headers_out.getRawHeaders

            self.assertEqual(['attachment;filename="c c l a.txt"'],

                             get('content-disposition'))

            self.assertEqual(['text/plain;charset=ascii'],

                             get('content-type'))

            self.assertEqual('Babar is not dead!', data)

    def test_header_with_space_and_comma(self):

        req = self.request()

        self.create_user(req, login=ur'c " l\ a', password='babar')

        self.commit()

        with self.login(ur'c " l\ a', password='babar'):

            req = self.request()

            req.form['vid'] = 'download'

            req.form['eid'] = str(req.user.eid)

            data = self.ctrl_publish(req,'view')

            get = req.headers_out.getRawHeaders

            self.assertEqual([r'attachment;filename="c \" l\\ a.txt"'],

                             get('content-disposition'))

            self.assertEqual(['text/plain;charset=ascii'],

                             get('content-type'))

            self.assertEqual('Babar is not dead!', data)

    def test_header_unicode_filename(self):

        req = self.request()

        self.create_user(req, login=u'cécilia', password='babar')

        self.commit()

        with self.login(u'cécilia', password='babar'):

            req = self.request()

            req.form['vid'] = 'download'

            req.form['eid'] = str(req.user.eid)

            self.ctrl_publish(req,'view')

            get = req.headers_out.getRawHeaders

            self.assertEqual(['''attachment;filename="ccilia.txt";filename*=utf-8''c%C3%A9cilia.txt'''],

                             get('content-disposition'))

    def test_header_unicode_long_filename(self):

        req = self.request()

        name = u'Bèrte_hô_grand_nôm_ça_va_totallement_déborder_de_la_limite_là'

        self.create_user(req, login=name, password='babar')

        self.commit()

        with self.login(name, password='babar'):

            req = self.request()

            req.form['vid'] = 'download'

            req.form['eid'] = str(req.user.eid)

            self.ctrl_publish(req,'view')

            get = req.headers_out.getRawHeaders

            self.assertEqual(["""attachment;filename="Brte_h_grand_nm_a_va_totallement_dborder_de_la_limite_l.txt";filename*=utf-8''B%C3%A8rte_h%C3%B4_grand_n%C3%B4m_%C3%A7a_va_totallement_d%C3%A9border_de_la_limite_l%C3%A0.txt"""],

                             get('content-disposition'))

if __name__ == '__main__':

    unittest_main()