# Copyright (c) 2011,  2012 Free Software Foundation

#     This program is free software: you can redistribute it and/or modify
#     it under the terms of the GNU Affero General Public License as
#     published by the Free Software Foundation, either version 3 of the
#     License, or (at your option) any later version.

#     This program 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 Affero General Public License for more details.

#     You should have received a copy of the GNU Affero General Public License
#     along with this program.  If not, see <http://www.gnu.org/licenses/>.


# This project incorporates work covered by the following copyright and permission notice:  

#    Copyright (c) 2009, Julien Fache
#    All rights reserved.

#    Redistribution and use in source and binary forms, with or without
#    modification, are permitted provided that the following conditions
#    are met:

#    * Redistributions of source code must retain the above copyright
#      notice, this list of conditions and the following disclaimer.
#    * Redistributions in binary form must reproduce the above copyright
#      notice, this list of conditions and the following disclaimer in
#      the documentation and/or other materials provided with the
#      distribution.
#    * Neither the name of the author nor the names of other
#      contributors may be used to endorse or promote products derived
#      from this software without specific prior written permission.

#    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
#    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
#    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
#    FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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#    OF THE POSSIBILITY OF SUCH DAMAGE.

# Copyright (c) 2011,  2012 Free Software Foundation

#     This program is free software: you can redistribute it and/or modify
#     it under the terms of the GNU Affero General Public License as
#     published by the Free Software Foundation, either version 3 of the
#     License, or (at your option) any later version.

#     This program 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 Affero General Public License for more details.

#     You should have received a copy of the GNU Affero General Public License
#     along with this program.  If not, see <http://www.gnu.org/licenses/>.


"""Test cases for Gstudio's templatetags"""
from datetime import datetime

from django.test import TestCase
from django.template import Context
from django.template import Template
from django.template import TemplateSyntaxError
from django.contrib import comments
from django.core.paginator import Paginator
from django.core.urlresolvers import reverse
from django.contrib.auth.models import User
from django.contrib.sites.models import Site
from django.contrib.comments.models import CommentFlag

from tagging.models import Tag

from gstudio.models import Nodetype
from gstudio.models import Author
from gstudio.models import Metatype
from gstudio.managers import DRAFT
from gstudio.managers import PUBLISHED
from gstudio.templatetags.gstudio_tags import get_authors
from gstudio.templatetags.gstudio_tags import get_gravatar
from gstudio.templatetags.gstudio_tags import get_tag_cloud
from gstudio.templatetags.gstudio_tags import get_metatypes
from gstudio.templatetags.gstudio_tags import gstudio_pagination
from gstudio.templatetags.gstudio_tags import get_recent_nodetypes
from gstudio.templatetags.gstudio_tags import get_random_nodetypes
from gstudio.templatetags.gstudio_tags import gstudio_breadcrumbs
from gstudio.templatetags.gstudio_tags import get_popular_nodetypes
from gstudio.templatetags.gstudio_tags import get_similar_nodetypes
from gstudio.templatetags.gstudio_tags import get_recent_comments
from gstudio.templatetags.gstudio_tags import get_recent_linkbacks
from gstudio.templatetags.gstudio_tags import get_calendar_nodetypes
from gstudio.templatetags.gstudio_tags import get_archives_nodetypes
from gstudio.templatetags.gstudio_tags import get_featured_nodetypes
from gstudio.templatetags.gstudio_tags import get_archives_nodetypes_tree


class TemplateTagsTestCase(TestCase):
    """Test cases for Template tags"""

    def setUp(self):
        params = {'title': 'My nodetype',
                  'content': 'My content',
                  'tags': 'gstudio, test',
                  'creation_date': datetime(2010, 1, 1),
                  'slug': 'my-nodetype'}
        self.nodetype = Nodetype.objects.create(**params)

    def publish_nodetype(self):
        self.nodetype.status = PUBLISHED
        self.nodetype.featured = True
        self.nodetype.sites.add(Site.objects.get_current())
        self.nodetype.save()

    def test_get_metatypes(self):
        context = get_metatypes()
        self.assertEquals(len(context['metatypes']), 0)
        self.assertEquals(context['template'], 'gstudio/tags/metatypes.html')

        Metatype.objects.create(title='Metatype 1', slug='metatype-1')
        context = get_metatypes('custom_template.html')
        self.assertEquals(len(context['metatypes']), 1)
        self.assertEquals(context['template'], 'custom_template.html')

    def test_get_authors(self):
        context = get_authors()
        self.assertEquals(len(context['authors']), 0)
        self.assertEquals(context['template'], 'gstudio/tags/authors.html')

        user = User.objects.create_user(username='webmaster',
                                        email='webmaster@example.com')
        self.nodetype.authors.add(user)
        self.publish_nodetype()
        context = get_authors('custom_template.html')
        self.assertEquals(len(context['authors']), 1)
        self.assertEquals(context['template'], 'custom_template.html')

    def test_get_recent_nodetypes(self):
        context = get_recent_nodetypes()
        self.assertEquals(len(context['nodetypes']), 0)
        self.assertEquals(context['template'],
                          'gstudio/tags/recent_nodetypes.html')

        self.publish_nodetype()
        context = get_recent_nodetypes(3, 'custom_template.html')
        self.assertEquals(len(context['nodetypes']), 1)
        self.assertEquals(context['template'], 'custom_template.html')
        context = get_recent_nodetypes(0)
        self.assertEquals(len(context['nodetypes']), 0)

    def test_get_featured_nodetypes(self):
        context = get_featured_nodetypes()
        self.assertEquals(len(context['nodetypes']), 0)
        self.assertEquals(context['template'],
                          'gstudio/tags/featured_nodetypes.html')

        self.publish_nodetype()
        context = get_featured_nodetypes(3, 'custom_template.html')
        self.assertEquals(len(context['nodetypes']), 1)
        self.assertEquals(context['template'], 'custom_template.html')
        context = get_featured_nodetypes(0)
        self.assertEquals(len(context['nodetypes']), 0)

    def test_get_random_nodetypes(self):
        context = get_random_nodetypes()
        self.assertEquals(len(context['nodetypes']), 0)
        self.assertEquals(context['template'],
                          'gstudio/tags/random_nodetypes.html')

        self.publish_nodetype()
        context = get_random_nodetypes(3, 'custom_template.html')
        self.assertEquals(len(context['nodetypes']), 1)
        self.assertEquals(context['template'], 'custom_template.html')
        context = get_random_nodetypes(0)
        self.assertEquals(len(context['nodetypes']), 0)

    def test_get_popular_nodetypes(self):
        context = get_popular_nodetypes()
        self.assertEquals(len(context['nodetypes']), 0)
        self.assertEquals(context['template'],
                          'gstudio/tags/popular_nodetypes.html')

        self.publish_nodetype()
        context = get_popular_nodetypes(3, 'custom_template.html')
        self.assertEquals(len(context['nodetypes']), 0)
        self.assertEquals(context['template'], 'custom_template.html')

        params = {'title': 'My second nodetype',
                  'content': 'My second content',
                  'tags': 'gstudio, test',
                  'status': PUBLISHED,
                  'slug': 'my-second-nodetype'}
        site = Site.objects.get_current()
        second_nodetype = Nodetype.objects.create(**params)
        second_nodetype.sites.add(site)

        comments.get_model().objects.create(comment='My Comment 1', site=site,
                                            content_object=self.nodetype)
        comments.get_model().objects.create(comment='My Comment 2', site=site,
                                            content_object=self.nodetype)
        comments.get_model().objects.create(comment='My Comment 3', site=site,
                                            content_object=second_nodetype)
        context = get_popular_nodetypes(3)
        self.assertEquals(context['nodetypes'], [self.nodetype, second_nodetype])
        self.nodetype.status = DRAFT
        self.nodetype.save()
        context = get_popular_nodetypes(3)
        self.assertEquals(context['nodetypes'], [second_nodetype])

    def test_get_similar_nodetypes(self):
        self.publish_nodetype()
        source_context = Context({'object': self.nodetype})
        context = get_similar_nodetypes(source_context)
        self.assertEquals(len(context['nodetypes']), 0)
        self.assertEquals(context['template'],
                          'gstudio/tags/similar_nodetypes.html')

        params = {'title': 'My second nodetype',
                  'content': 'This is the second nodetype of my tests.',
                  'tags': 'gstudio, test',
                  'status': PUBLISHED,
                  'slug': 'my-second-nodetype'}
        site = Site.objects.get_current()
        second_nodetype = Nodetype.objects.create(**params)
        second_nodetype.sites.add(site)

        source_context = Context({'object': second_nodetype})
        context = get_similar_nodetypes(source_context, 3,
                                      'custom_template.html',
                                      flush=True)
        self.assertEquals(len(context['nodetypes']), 1)
        self.assertEquals(context['template'], 'custom_template.html')

    def test_get_archives_nodetypes(self):
        context = get_archives_nodetypes()
        self.assertEquals(len(context['archives']), 0)
        self.assertEquals(context['template'],
                          'gstudio/tags/archives_nodetypes.html')

        self.publish_nodetype()
        params = {'title': 'My second nodetype',
                  'content': 'My second content',
                  'tags': 'gstudio, test',
                  'status': PUBLISHED,
                  'creation_date': datetime(2009, 1, 1),
                  'slug': 'my-second-nodetype'}
        site = Site.objects.get_current()
        second_nodetype = Nodetype.objects.create(**params)
        second_nodetype.sites.add(site)

        context = get_archives_nodetypes('custom_template.html')
        self.assertEquals(len(context['archives']), 2)
        self.assertEquals(context['archives'][0], datetime(2010, 1, 1))
        self.assertEquals(context['archives'][1], datetime(2009, 1, 1))
        self.assertEquals(context['template'], 'custom_template.html')

    def test_get_archives_tree(self):
        context = get_archives_nodetypes_tree()
        self.assertEquals(len(context['archives']), 0)
        self.assertEquals(context['template'],
                          'gstudio/tags/archives_nodetypes_tree.html')

        self.publish_nodetype()
        params = {'title': 'My second nodetype',
                  'content': 'My second content',
                  'tags': 'gstudio, test',
                  'status': PUBLISHED,
                  'creation_date': datetime(2009, 1, 10),
                  'slug': 'my-second-nodetype'}
        site = Site.objects.get_current()
        second_nodetype = Nodetype.objects.create(**params)
        second_nodetype.sites.add(site)

        context = get_archives_nodetypes_tree('custom_template.html')
        self.assertEquals(len(context['archives']), 2)
        self.assertEquals(context['archives'][0], datetime(2009, 1, 10))
        self.assertEquals(context['archives'][1], datetime(2010, 1, 1))
        self.assertEquals(context['template'], 'custom_template.html')

    def test_get_calendar_nodetypes(self):
        source_context = Context()
        context = get_calendar_nodetypes(source_context)
        self.assertEquals(context['previous_month'], None)
        self.assertEquals(context['next_month'], None)
        self.assertEquals(context['template'], 'gstudio/tags/calendar.html')

        self.publish_nodetype()
        context = get_calendar_nodetypes(source_context,
                                       template='custom_template.html')
        self.assertEquals(context['previous_month'], datetime(2010, 1, 1))
        self.assertEquals(context['next_month'], None)
        self.assertEquals(context['template'], 'custom_template.html')

        context = get_calendar_nodetypes(source_context, 2009, 1)
        self.assertEquals(context['previous_month'], None)
        self.assertEquals(context['next_month'], datetime(2010, 1, 1))

        source_context = Context({'month': datetime(2009, 1, 1)})
        context = get_calendar_nodetypes(source_context)
        self.assertEquals(context['previous_month'], None)
        self.assertEquals(context['next_month'], datetime(2010, 1, 1))

        source_context = Context({'month': datetime(2010, 1, 1)})
        context = get_calendar_nodetypes(source_context)
        self.assertEquals(context['previous_month'], None)
        self.assertEquals(context['next_month'], None)

        params = {'title': 'My second nodetype',
                  'content': 'My second content',
                  'tags': 'gstudio, test',
                  'status': PUBLISHED,
                  'creation_date': datetime(2008, 1, 1),
                  'slug': 'my-second-nodetype'}
        site = Site.objects.get_current()
        second_nodetype = Nodetype.objects.create(**params)
        second_nodetype.sites.add(site)

        source_context = Context()
        context = get_calendar_nodetypes(source_context, 2009, 1)
        self.assertEquals(context['previous_month'], datetime(2008, 1, 1))
        self.assertEquals(context['next_month'], datetime(2010, 1, 1))
        context = get_calendar_nodetypes(source_context)
        self.assertEquals(context['previous_month'], datetime(2010, 1, 1))
        self.assertEquals(context['next_month'], None)

    def test_get_recent_comments(self):
        site = Site.objects.get_current()
        context = get_recent_comments()
        self.assertEquals(len(context['comments']), 0)
        self.assertEquals(context['template'],
                          'gstudio/tags/recent_comments.html')

        comment_1 = comments.get_model().objects.create(
            comment='My Comment 1', site=site,
            content_object=self.nodetype)
        context = get_recent_comments(3, 'custom_template.html')
        self.assertEquals(len(context['comments']), 0)
        self.assertEquals(context['template'], 'custom_template.html')

        self.publish_nodetype()
        context = get_recent_comments()
        self.assertEquals(len(context['comments']), 1)

        author = User.objects.create_user(username='webmaster',
                                          email='webmaster@example.com')
        comment_2 = comments.get_model().objects.create(
            comment='My Comment 2', site=site,
            content_object=self.nodetype)
        comment_2.flags.create(user=author,
                               flag=CommentFlag.MODERATOR_APPROVAL)
        context = get_recent_comments()
        self.assertEquals(list(context['comments']), [comment_2, comment_1])

    def test_get_recent_linkbacks(self):
        user = User.objects.create_user(username='webmaster',
                                        email='webmaster@example.com')
        site = Site.objects.get_current()
        context = get_recent_linkbacks()
        self.assertEquals(len(context['linkbacks']), 0)
        self.assertEquals(context['template'],
                          'gstudio/tags/recent_linkbacks.html')

        linkback_1 = comments.get_model().objects.create(
            comment='My Linkback 1', site=site,
            content_object=self.nodetype)
        linkback_1.flags.create(user=user, flag='pingback')
        context = get_recent_linkbacks(3, 'custom_template.html')
        self.assertEquals(len(context['linkbacks']), 0)
        self.assertEquals(context['template'], 'custom_template.html')

        self.publish_nodetype()
        context = get_recent_linkbacks()
        self.assertEquals(len(context['linkbacks']), 1)

        linkback_2 = comments.get_model().objects.create(
            comment='My Linkback 2', site=site,
            content_object=self.nodetype)
        linkback_2.flags.create(user=user, flag='trackback')
        context = get_recent_linkbacks()
        self.assertEquals(list(context['linkbacks']), [linkback_2, linkback_1])

    def test_gstudio_pagination(self):
        class FakeRequest(object):
            def __init__(self, get_dict):
                self.GET = get_dict

        source_context = Context({'request': FakeRequest(
            {'page': '1', 'key': 'val'})})
        paginator = Paginator(range(200), 10)

        context = gstudio_pagination(source_context, paginator.page(1))
        self.assertEquals(context['page'].number, 1)
        self.assertEquals(context['begin'], [1, 2, 3])
        self.assertEquals(context['middle'], [])
        self.assertEquals(context['end'], [18, 19, 20])
        self.assertEquals(context['GET_string'], '&key=val')
        self.assertEquals(context['template'], 'gstudio/tags/pagination.html')

        source_context = Context({'request': FakeRequest({})})
        context = gstudio_pagination(source_context, paginator.page(2))
        self.assertEquals(context['page'].number, 2)
        self.assertEquals(context['begin'], [1, 2, 3, 4])
        self.assertEquals(context['middle'], [])
        self.assertEquals(context['end'], [18, 19, 20])
        self.assertEquals(context['GET_string'], '')

        context = gstudio_pagination(source_context, paginator.page(3))
        self.assertEquals(context['begin'], [1, 2, 3, 4, 5])
        self.assertEquals(context['middle'], [])
        self.assertEquals(context['end'], [18, 19, 20])

        context = gstudio_pagination(source_context, paginator.page(6))
        self.assertEquals(context['begin'], [1, 2, 3, 4, 5, 6, 7, 8])
        self.assertEquals(context['middle'], [])
        self.assertEquals(context['end'], [18, 19, 20])

        context = gstudio_pagination(source_context, paginator.page(11))
        self.assertEquals(context['begin'], [1, 2, 3])
        self.assertEquals(context['middle'], [9, 10, 11, 12, 13])
        self.assertEquals(context['end'], [18, 19, 20])

        context = gstudio_pagination(source_context, paginator.page(15))
        self.assertEquals(context['begin'], [1, 2, 3])
        self.assertEquals(context['middle'], [])
        self.assertEquals(context['end'], [13, 14, 15, 16, 17, 18, 19, 20])

        context = gstudio_pagination(source_context, paginator.page(18))
        self.assertEquals(context['begin'], [1, 2, 3])
        self.assertEquals(context['middle'], [])
        self.assertEquals(context['end'], [16, 17, 18, 19, 20])

        context = gstudio_pagination(source_context, paginator.page(19))
        self.assertEquals(context['begin'], [1, 2, 3])
        self.assertEquals(context['middle'], [])
        self.assertEquals(context['end'], [17, 18, 19, 20])

        context = gstudio_pagination(source_context, paginator.page(20))
        self.assertEquals(context['begin'], [1, 2, 3])
        self.assertEquals(context['middle'], [])
        self.assertEquals(context['end'], [18, 19, 20])

        context = gstudio_pagination(source_context, paginator.page(10),
                                    begin_pages=1, end_pages=3,
                                    before_pages=4, after_pages=3,
                                    template='custom_template.html')
        self.assertEquals(context['begin'], [1])
        self.assertEquals(context['middle'], [6, 7, 8, 9, 10, 11, 12, 13])
        self.assertEquals(context['end'], [18, 19, 20])
        self.assertEquals(context['template'], 'custom_template.html')

        paginator = Paginator(range(50), 10)
        context = gstudio_pagination(source_context, paginator.page(1))
        self.assertEquals(context['begin'], [1, 2, 3, 4, 5])
        self.assertEquals(context['middle'], [])
        self.assertEquals(context['end'], [])

        paginator = Paginator(range(60), 10)
        context = gstudio_pagination(source_context, paginator.page(1))
        self.assertEquals(context['begin'], [1, 2, 3, 4, 5, 6])
        self.assertEquals(context['middle'], [])
        self.assertEquals(context['end'], [])

        paginator = Paginator(range(70), 10)
        context = gstudio_pagination(source_context, paginator.page(1))
        self.assertEquals(context['begin'], [1, 2, 3])
        self.assertEquals(context['middle'], [])
        self.assertEquals(context['end'], [5, 6, 7])

    def test_gstudio_breadcrumbs(self):
        class FakeRequest(object):
            def __init__(self, path):
                self.path = path

        source_context = Context({'request': FakeRequest('/')})
        context = gstudio_breadcrumbs(source_context)
        self.assertEquals(len(context['breadcrumbs']), 1)
        self.assertEquals(context['breadcrumbs'][0].name, 'Blog')
        self.assertEquals(context['breadcrumbs'][0].url,
                          reverse('gstudio_nodetype_archive_index'))
        self.assertEquals(context['separator'], '/')
        self.assertEquals(context['template'], 'gstudio/tags/breadcrumbs.html')

        context = gstudio_breadcrumbs(source_context,
                                     '>', 'Weblog', 'custom_template.html')
        self.assertEquals(len(context['breadcrumbs']), 1)
        self.assertEquals(context['breadcrumbs'][0].name, 'Weblog')
        self.assertEquals(context['separator'], '>')
        self.assertEquals(context['template'], 'custom_template.html')

        source_context = Context(
            {'request': FakeRequest(self.nodetype.get_absolute_url()),
             'object': self.nodetype})
        context = gstudio_breadcrumbs(source_context)
        self.assertEquals(len(context['breadcrumbs']), 5)

        cat_1 = Metatype.objects.create(title='Metatype 1', slug='metatype-1')
        source_context = Context(
            {'request': FakeRequest(cat_1.get_absolute_url()),
             'object': cat_1})
        context = gstudio_breadcrumbs(source_context)
        self.assertEquals(len(context['breadcrumbs']), 3)
        cat_2 = Metatype.objects.create(title='Metatype 2', slug='metatype-2',
                                        parent=cat_1)
        source_context = Context(
            {'request': FakeRequest(cat_2.get_absolute_url()),
             'object': cat_2})
        context = gstudio_breadcrumbs(source_context)
        self.assertEquals(len(context['breadcrumbs']), 4)

        tag = Tag.objects.get(name='test')
        source_context = Context(
            {'request': FakeRequest(reverse('gstudio_tag_detail',
                                            args=['test'])),
             'object': tag})
        context = gstudio_breadcrumbs(source_context)
        self.assertEquals(len(context['breadcrumbs']), 3)

        User.objects.create_user(username='webmaster',
                                 email='webmaster@example.com')
        author = Author.objects.get(username='webmaster')
        source_context = Context(
            {'request': FakeRequest(author.get_absolute_url()),
             'object': author})
        context = gstudio_breadcrumbs(source_context)
        self.assertEquals(len(context['breadcrumbs']), 3)

        source_context = Context(
            {'request': FakeRequest(reverse(
                'gstudio_nodetype_archive_year', args=[2011]))})
        context = gstudio_breadcrumbs(source_context)
        self.assertEquals(len(context['breadcrumbs']), 2)

        source_context = Context({'request': FakeRequest(reverse(
            'gstudio_nodetype_archive_month', args=[2011, '03']))})
        context = gstudio_breadcrumbs(source_context)
        self.assertEquals(len(context['breadcrumbs']), 3)

        source_context = Context({'request': FakeRequest(reverse(
            'gstudio_nodetype_archive_day', args=[2011, '03', 15]))})
        context = gstudio_breadcrumbs(source_context)
        self.assertEquals(len(context['breadcrumbs']), 4)
        # More tests can be done here, for testing path and objects in context

    def test_get_gravatar(self):
        self.assertEquals(
            get_gravatar('webmaster@example.com'),
            'http://www.gravatar.com/avatar/86d4fd4a22de452'
            'a9228298731a0b592.jpg?s=80&amp;r=g')
        self.assertEquals(
            get_gravatar('  WEBMASTER@example.com  ', 15, 'x', '404'),
            'http://www.gravatar.com/avatar/86d4fd4a22de452'
            'a9228298731a0b592.jpg?s=15&amp;r=x&amp;d=404')

    def test_get_tags(self):
        Tag.objects.create(name='tag')
        t = Template("""
        {% load gstudio_tags %}
        {% get_tags as nodetype_tags %}
        {{ nodetype_tags|join:", " }}
        """)
        html = t.render(Context())
        self.assertEquals(html.strip(), '')
        self.publish_nodetype()
        html = t.render(Context())
        self.assertEquals(html.strip(), 'test, gstudio')

        template_error_as = """
        {% load gstudio_tags %}
        {% get_tags a_s nodetype_tags %}"""
        self.assertRaises(TemplateSyntaxError, Template, template_error_as)

        template_error_args = """
        {% load gstudio_tags %}
        {% get_tags as nodetype tags %}"""
        self.assertRaises(TemplateSyntaxError, Template, template_error_args)

    def test_get_tag_cloud(self):
        context = get_tag_cloud()
        self.assertEquals(len(context['tags']), 0)
        self.assertEquals(context['template'], 'gstudio/tags/tag_cloud.html')
        self.publish_nodetype()
        context = get_tag_cloud(6, 'custom_template.html')
        self.assertEquals(len(context['tags']), 2)
        self.assertEquals(context['template'], 'custom_template.html')