import json

import pytest
from django.contrib.auth import get_user_model
from django.urls import reverse
from rest_framework import status
from rest_framework.test import APIClient

from openslides.core.config import config
from openslides.core.models import Tag
from openslides.motions.models import (
    Category,
    Motion,
    MotionBlock,
    MotionChangeRecommendation,
    MotionComment,
    MotionCommentSection,
    MotionLog,
    State,
    StatuteParagraph,
    Submitter,
    Workflow,
)
from openslides.utils.auth import get_group_model
from openslides.utils.autoupdate import inform_changed_data
from openslides.utils.test import TestCase

from ..helpers import count_queries


GROUP_DEFAULT_PK = 1
GROUP_ADMIN_PK = 2
GROUP_DELEGATE_PK = 3
GROUP_STAFF_PK = 4


@pytest.mark.django_db(transaction=False)
def test_motion_db_queries():
    """
    Tests that only the following db queries are done:
    * 1 requests to get the list of all motions,
    * 1 request to get the associated workflow
    * 1 request for all motion comments
    * 1 request for all motion comment sections required for the comments
    * 1 request for all users required for the read_groups of the sections
    * 1 request to get the agenda item,
    * 1 request to get the motion log,
    * 1 request to get the polls,
    * 1 request to get the attachments,
    * 1 request to get the tags,
    * 2 requests to get the submitters and supporters.

    Two comment sections are created and for each motions two comments.
    """
    section1 = MotionCommentSection.objects.create(name='test_section')
    section2 = MotionCommentSection.objects.create(name='test_section')

    for index in range(10):
        motion = Motion.objects.create(title='motion{}'.format(index))

        MotionComment.objects.create(
            comment='test_comment',
            motion=motion,
            section=section1)
        MotionComment.objects.create(
            comment='test_comment2',
            motion=motion,
            section=section2)

        get_user_model().objects.create_user(
            username='user_{}'.format(index),
            password='password')
    # TODO: Create some polls etc.

    assert count_queries(Motion.get_elements) == 12


@pytest.mark.django_db(transaction=False)
def test_category_db_queries():
    """
    Tests that only the following db queries are done:
    * 1 requests to get the list of all categories.
    """
    for index in range(10):
        Category.objects.create(name='category{}'.format(index))

    assert count_queries(Category.get_elements) == 1


@pytest.mark.django_db(transaction=False)
def test_statute_paragraph_db_queries():
    """
    Tests that only the following db queries are done:
    * 1 requests to get the list of all statute paragraphs.
    """
    for index in range(10):
        StatuteParagraph.objects.create(
            title='statute_paragraph{}'.format(index),
            text='text{}'.format(index))

    assert count_queries(StatuteParagraph.get_elements) == 1


@pytest.mark.django_db(transaction=False)
def test_workflow_db_queries():
    """
    Tests that only the following db queries are done:
    * 1 requests to get the list of all workflows,
    * 1 request to get all states and
    * 1 request to get the next states of all states.
    """

    assert count_queries(Workflow.get_elements) == 3


class TestStatuteParagraphs(TestCase):
    """
    Tests all CRUD operations of statute paragraphs.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')

    def create_statute_paragraph(self):
        self.title = 'test_title_fiWs82D0D)2kje3KDm2s'
        self.text = 'test_text_3jfjoDqm,S;cmor3DJwk'
        self.cp = StatuteParagraph.objects.create(
            title=self.title,
            text=self.text)

    def test_create_simple(self):
        response = self.client.post(
            reverse('statuteparagraph-list'),
            {'title': 'test_title_f3FM328cq)tzdU238df2',
             'text': 'test_text_2fb)BEjwdI38=kfemiRkcOW'})
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        cp = StatuteParagraph.objects.get()
        self.assertEqual(cp.title, 'test_title_f3FM328cq)tzdU238df2')
        self.assertEqual(cp.text, 'test_text_2fb)BEjwdI38=kfemiRkcOW')

    def test_create_without_data(self):
        response = self.client.post(reverse('statuteparagraph-list'), {})
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(response.data, {'title': ['This field is required.'], 'text': ['This field is required.']})

    def test_create_non_admin(self):
        self.admin = get_user_model().objects.get(username='admin')
        self.admin.groups.add(GROUP_DELEGATE_PK)
        self.admin.groups.remove(GROUP_ADMIN_PK)
        inform_changed_data(self.admin)

        response = self.client.post(
            reverse('statuteparagraph-list'),
            {'title': 'test_title_f3(Dj2jdP39fjW2kdcwe',
             'text': 'test_text_vlC)=fwWmcwcpWMvnuw('})

        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)

    def test_retrieve_simple(self):
        self.create_statute_paragraph()
        response = self.client.get(reverse('statuteparagraph-detail', args=[self.cp.pk]))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(sorted(response.data.keys()), sorted((
            'id',
            'title',
            'text',
            'weight',)))

    def test_update_simple(self):
        self.create_statute_paragraph()
        response = self.client.patch(
            reverse('statuteparagraph-detail', args=[self.cp.pk]),
            {'text': 'test_text_ke(czr/cwk1Sl2seeFwE'})
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        cp = StatuteParagraph.objects.get()
        self.assertEqual(cp.title, self.title)
        self.assertEqual(cp.text, 'test_text_ke(czr/cwk1Sl2seeFwE')

    def test_update_non_admin(self):
        self.admin = get_user_model().objects.get(username='admin')
        self.admin.groups.add(GROUP_DELEGATE_PK)
        self.admin.groups.remove(GROUP_ADMIN_PK)
        inform_changed_data(self.admin)

        self.create_statute_paragraph()
        response = self.client.patch(
            reverse('statuteparagraph-detail', args=[self.cp.pk]),
            {'text': 'test_text_ke(czr/cwk1Sl2seeFwE'})
        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
        cp = StatuteParagraph.objects.get()
        self.assertEqual(cp.text, self.text)

    def test_delete_simple(self):
        self.create_statute_paragraph()
        response = self.client.delete(reverse('statuteparagraph-detail', args=[self.cp.pk]))
        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
        self.assertEqual(StatuteParagraph.objects.count(), 0)

    def test_delete_non_admin(self):
        self.admin = get_user_model().objects.get(username='admin')
        self.admin.groups.add(GROUP_DELEGATE_PK)
        self.admin.groups.remove(GROUP_ADMIN_PK)
        inform_changed_data(self.admin)

        self.create_statute_paragraph()
        response = self.client.delete(reverse('statuteparagraph-detail', args=[self.cp.pk]))
        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
        self.assertEqual(StatuteParagraph.objects.count(), 1)


class CreateMotion(TestCase):
    """
    Tests motion creation.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')

    def test_simple(self):
        """
        Tests that a motion is created with a specific title and text.

        The created motion should have an identifier and the admin user should
        be the submitter.
        """
        response = self.client.post(
            reverse('motion-list'),
            {'title': 'test_title_OoCoo3MeiT9li5Iengu9',
             'text': 'test_text_thuoz0iecheiheereiCi'})
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        motion = Motion.objects.get()
        self.assertEqual(motion.title, 'test_title_OoCoo3MeiT9li5Iengu9')
        self.assertEqual(motion.identifier, '1')
        self.assertTrue(motion.submitters.exists())
        self.assertEqual(motion.submitters.get().user.username, 'admin')

    def test_with_reason(self):
        response = self.client.post(
            reverse('motion-list'),
            {'title': 'test_title_saib4hiHaifo9ohp9yie',
             'text': 'test_text_shahhie8Ej4mohvoorie',
             'reason': 'test_reason_Ou8GivahYivoh3phoh9c'})
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        self.assertEqual(Motion.objects.get().reason, 'test_reason_Ou8GivahYivoh3phoh9c')

    def test_without_data(self):
        response = self.client.post(
            reverse('motion-list'),
            {})
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(response.data, {'title': ['This field is required.'], 'text': ['This field is required.']})

    def test_with_category(self):
        category = Category.objects.create(
            name='test_category_name_CiengahzooH4ohxietha',
            prefix='TEST_PREFIX_la0eadaewuec3seoxeiN')
        response = self.client.post(
            reverse('motion-list'),
            {'title': 'test_title_Air0bahchaiph1ietoo2',
             'text': 'test_text_chaeF9wosh8OowazaiVu',
             'category_id': category.pk})
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        motion = Motion.objects.get()
        self.assertEqual(motion.category, category)
        self.assertEqual(motion.identifier, 'TEST_PREFIX_la0eadaewuec3seoxeiN 1')

    def test_with_submitters(self):
        submitter_1 = get_user_model().objects.create_user(
            username='test_username_ooFe6aebei9ieQui2poo',
            password='test_password_vie9saiQu5Aengoo9ku0')
        submitter_2 = get_user_model().objects.create_user(
            username='test_username_eeciengoc4aihie5eeSh',
            password='test_password_peik2Eihu5oTh7siequi')
        response = self.client.post(
            reverse('motion-list'),
            {'title': 'test_title_pha7moPh7quoth4paina',
             'text': 'test_text_YooGhae6tiangung5Rie',
             'submitters_id': [submitter_1.pk, submitter_2.pk]})
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        motion = Motion.objects.get()
        self.assertEqual(motion.submitters.count(), 2)

    def test_with_one_supporter(self):
        supporter = get_user_model().objects.create_user(
            username='test_username_ahGhi4Quohyee7ohngie',
            password='test_password_Nei6aeh8OhY8Aegh1ohX')
        response = self.client.post(
            reverse('motion-list'),
            {'title': 'test_title_Oecee4Da2Mu9EY6Ui4mu',
             'text': 'test_text_FbhgnTFgkbjdmvcjbffg',
             'supporters_id': [supporter.pk]})
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        motion = Motion.objects.get()
        self.assertEqual(motion.supporters.get().username, 'test_username_ahGhi4Quohyee7ohngie')

    def test_with_tag(self):
        tag = Tag.objects.create(name='test_tag_iRee3kiecoos4rorohth')
        response = self.client.post(
            reverse('motion-list'),
            {'title': 'test_title_Hahke4loos4eiduNiid9',
             'text': 'test_text_johcho0Ucaibiehieghe',
             'tags_id': [tag.pk]})
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        motion = Motion.objects.get()
        self.assertEqual(motion.tags.get().name, 'test_tag_iRee3kiecoos4rorohth')

    def test_with_workflow(self):
        """
        Test to create a motion with a specific workflow.
        """
        response = self.client.post(
            reverse('motion-list'),
            {'title': 'test_title_eemuR5hoo4ru2ahgh5EJ',
             'text': 'test_text_ohviePopahPhoili7yee',
             'workflow_id': '2'})

        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        self.assertEqual(Motion.objects.get().state.workflow_id, 2)

    def test_non_admin(self):
        """
        Test to create a motion by a delegate, non staff user.
        """
        self.admin = get_user_model().objects.get(username='admin')
        self.admin.groups.add(GROUP_DELEGATE_PK)
        self.admin.groups.remove(GROUP_ADMIN_PK)
        inform_changed_data(self.admin)

        response = self.client.post(
            reverse('motion-list'),
            {'title': 'test_title_peiJozae0luew9EeL8bo',
             'text': 'test_text_eHohS8ohr5ahshoah8Oh'})

        self.assertEqual(response.status_code, status.HTTP_201_CREATED)

    def test_amendment_motion(self):
        """
        Test to create a motion with a parent motion as staff user.
        """
        parent_motion = self.create_parent_motion()
        response = self.client.post(
            reverse('motion-list'),
            {'title': 'test_title_doe93Jsjd2sW20dkSl20',
             'text': 'test_text_feS20SksD8D25skmwD25',
             'parent_id': parent_motion.id})
        created_motion = Motion.objects.get(pk=int(response.data['id']))

        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        self.assertEqual(created_motion.parent, parent_motion)

    def test_amendment_motion_parent_not_exist(self):
        """
        Test to create an amendment motion with a non existing parent.
        """
        response = self.client.post(
            reverse('motion-list'),
            {'title': 'test_title_gEjdkW93Wj23KS2s8dSe',
             'text': 'test_text_lfwLIC&AjfsaoijOEusa',
             'parent_id': 100})

        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(response.data, {'detail': 'The parent motion does not exist.'})

    def test_amendment_motion_non_admin(self):
        """
        Test to create an amendment motion by a delegate. The parents
        category should be also set on the new motion.
        """
        parent_motion = self.create_parent_motion()
        category = Category.objects.create(
            name='test_category_name_Dslk3Fj8s8Ps36S3Kskw',
            prefix='TEST_PREFIX_L23skfmlq3kslamslS39')
        parent_motion.category = category
        parent_motion.save()

        self.admin = get_user_model().objects.get(username='admin')
        self.admin.groups.add(GROUP_DELEGATE_PK)
        self.admin.groups.remove(GROUP_ADMIN_PK)
        inform_changed_data(self.admin)

        response = self.client.post(
            reverse('motion-list'),
            {'title': 'test_title_fk3a0slalms47KSewnWG',
             'text': 'test_text_al3FMwSCNM31WOmw9ezx',
             'parent_id': parent_motion.id})
        created_motion = Motion.objects.get(pk=int(response.data['id']))

        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        self.assertEqual(created_motion.parent, parent_motion)
        self.assertEqual(created_motion.category, category)

    def create_parent_motion(self):
        """
        Returns a new created motion used for testing amendments.
        """
        response = self.client.post(
            reverse('motion-list'),
            {'title': 'test_title_3leoeo2qac7830c92j9s',
             'text': 'test_text_9dm3ks9gDuW20Al38L9w'})
        return Motion.objects.get(pk=int(response.data['id']))


class RetrieveMotion(TestCase):
    """
    Tests retrieving a motion (with poll results).
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')
        self.motion = Motion(
            title='test_title_uj5eeSiedohSh3ohyaaj',
            text='test_text_ithohchaeThohmae5aug')
        self.motion.save()
        self.motion.create_poll()
        for index in range(10):
            get_user_model().objects.create_user(
                username='user_{}'.format(index),
                password='password')

    def test_guest_state_with_required_permission_to_see(self):
        config['general_system_enable_anonymous'] = True
        guest_client = APIClient()
        state = self.motion.state
        state.required_permission_to_see = 'permission_that_the_user_does_not_have_leeceiz9hi7iuta4ahY2'
        state.save()
        # The cache has to be cleared, see:
        # https://github.com/OpenSlides/OpenSlides/issues/3396
        inform_changed_data(self.motion)

        response = guest_client.get(reverse('motion-detail', args=[self.motion.pk]))
        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)

    def test_admin_state_with_required_permission_to_see(self):
        state = self.motion.state
        state.required_permission_to_see = 'permission_that_the_user_does_not_have_coo1Iewu8Eing2xahfoo'
        state.save()
        response = self.client.get(reverse('motion-detail', args=[self.motion.pk]))
        self.assertEqual(response.status_code, status.HTTP_200_OK)

    def test_submitter_state_with_required_permission_to_see(self):
        state = self.motion.state
        state.required_permission_to_see = 'permission_that_the_user_does_not_have_eiW8af9caizoh1thaece'
        state.save()
        user = get_user_model().objects.create_user(
            username='username_ohS2opheikaSa5theijo',
            password='password_kau4eequaisheeBateef')
        Submitter.objects.add(user, self.motion)
        submitter_client = APIClient()
        submitter_client.force_login(user)
        response = submitter_client.get(reverse('motion-detail', args=[self.motion.pk]))
        self.assertEqual(response.status_code, status.HTTP_200_OK)

    def test_user_without_can_see_user_permission_to_see_motion_and_submitter_data(self):
        admin = get_user_model().objects.get(username='admin')
        Submitter.objects.add(admin, self.motion)
        group = get_group_model().objects.get(pk=GROUP_DEFAULT_PK)  # Group with pk 1 is for anonymous and default users.
        permission_string = 'users.can_see_name'
        app_label, codename = permission_string.split('.')
        permission = group.permissions.get(content_type__app_label=app_label, codename=codename)
        group.permissions.remove(permission)
        config['general_system_enable_anonymous'] = True
        guest_client = APIClient()
        inform_changed_data(group)

        response_1 = guest_client.get(reverse('motion-detail', args=[self.motion.pk]))
        self.assertEqual(response_1.status_code, status.HTTP_200_OK)
        submitter_id = response_1.data['submitters'][0]['user_id']
        response_2 = guest_client.get(reverse('user-detail', args=[submitter_id]))
        self.assertEqual(response_2.status_code, status.HTTP_200_OK)

        extra_user = get_user_model().objects.create_user(
            username='username_wequePhieFoom0hai3wa',
            password='password_ooth7taechai5Oocieya')

        response_3 = guest_client.get(reverse('user-detail', args=[extra_user.pk]))
        self.assertEqual(response_3.status_code, status.HTTP_403_FORBIDDEN)


class UpdateMotion(TestCase):
    """
    Tests updating motions.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')
        self.motion = Motion(
            title='test_title_aeng7ahChie3waiR8xoh',
            text='test_text_xeigheeha7thopubeu4U')
        self.motion.save()

    def test_simple_patch(self):
        response = self.client.patch(
            reverse('motion-detail', args=[self.motion.pk]),
            {'identifier': 'test_identifier_jieseghohj7OoSah1Ko9'})
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        motion = Motion.objects.get()
        self.assertEqual(motion.title, 'test_title_aeng7ahChie3waiR8xoh')
        self.assertEqual(motion.identifier, 'test_identifier_jieseghohj7OoSah1Ko9')

    def test_patch_workflow(self):
        """
        Tests to only update the workflow of a motion.
        """
        response = self.client.patch(
            reverse('motion-detail', args=[self.motion.pk]),
            {'workflow_id': '2'})

        motion = Motion.objects.get()
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(motion.title, 'test_title_aeng7ahChie3waiR8xoh')
        self.assertEqual(motion.workflow_id, 2)

    def test_patch_supporters(self):
        supporter = get_user_model().objects.create_user(
            username='test_username_ieB9eicah0uqu6Phoovo',
            password='test_password_XaeTe3aesh8ohg6Cohwo')
        response = self.client.patch(
            reverse('motion-detail', args=[self.motion.pk]),
            json.dumps({'supporters_id': [supporter.pk]}),
            content_type='application/json')
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        motion = Motion.objects.get()
        self.assertEqual(motion.title, 'test_title_aeng7ahChie3waiR8xoh')
        self.assertEqual(motion.supporters.get().username, 'test_username_ieB9eicah0uqu6Phoovo')

    def test_patch_supporters_non_manager(self):
        non_admin = get_user_model().objects.create_user(
            username='test_username_uqu6PhoovieB9eicah0o',
            password='test_password_Xaesh8ohg6CoheTe3awo')
        self.client.login(
            username='test_username_uqu6PhoovieB9eicah0o',
            password='test_password_Xaesh8ohg6CoheTe3awo')
        motion = Motion.objects.get()
        Submitter.objects.add(non_admin, self.motion)
        motion.supporters.clear()
        response = self.client.patch(
            reverse('motion-detail', args=[self.motion.pk]),
            json.dumps({'supporters_id': [1]}),
            content_type='application/json')
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertFalse(motion.supporters.exists())

    def test_removal_of_supporters(self):
        # No cache used here.
        admin = get_user_model().objects.get(username='admin')
        group_admin = admin.groups.get(name='Admin')
        admin.groups.remove(group_admin)
        Submitter.objects.add(admin, self.motion)
        supporter = get_user_model().objects.create_user(
            username='test_username_ahshi4oZin0OoSh9chee',
            password='test_password_Sia8ahgeenixu5cei2Ib')
        self.motion.supporters.add(supporter)
        config['motions_remove_supporters'] = True
        self.assertEqual(self.motion.supporters.count(), 1)
        inform_changed_data((admin, self.motion))

        response = self.client.patch(
            reverse('motion-detail', args=[self.motion.pk]),
            {'title': 'new_title_ohph1aedie5Du8sai2ye'})

        self.assertEqual(response.status_code, status.HTTP_200_OK)
        motion = Motion.objects.get()
        self.assertEqual(motion.title, 'new_title_ohph1aedie5Du8sai2ye')
        self.assertEqual(motion.supporters.count(), 0)


class DeleteMotion(TestCase):
    """
    Tests deleting motions.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')
        self.admin = get_user_model().objects.get(username='admin')
        self.motion = Motion(
            title='test_title_acle3fa93l11lwlkcc31',
            text='test_text_f390sjfyycj29ss56sro')
        self.motion.save()

    def test_simple_delete(self):
        response = self.client.delete(
            reverse('motion-detail', args=[self.motion.pk]))
        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
        motions = Motion.objects.count()
        self.assertEqual(motions, 0)

    def make_admin_delegate(self):
        self.admin.groups.remove(GROUP_ADMIN_PK)
        self.admin.groups.add(GROUP_DELEGATE_PK)
        inform_changed_data(self.admin)

    def put_motion_in_complex_workflow(self):
        workflow = Workflow.objects.get(name='Complex Workflow')
        self.motion.reset_state(workflow=workflow)
        self.motion.save()

    def test_delete_foreign_motion_as_delegate(self):
        self.make_admin_delegate()
        self.put_motion_in_complex_workflow()

        response = self.client.delete(
            reverse('motion-detail', args=[self.motion.pk]))
        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)

    def test_delete_own_motion_as_delegate(self):
        self.make_admin_delegate()
        self.put_motion_in_complex_workflow()
        Submitter.objects.add(self.admin, self.motion)

        response = self.client.delete(
            reverse('motion-detail', args=[self.motion.pk]))
        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
        motions = Motion.objects.count()
        self.assertEqual(motions, 0)


class ManageSubmitters(TestCase):
    """
    Tests adding and removing of submitters.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')

        self.admin = get_user_model().objects.get()
        self.motion = Motion(
            title='test_title_SlqfMw(waso0saWMPqcZ',
            text='test_text_f30skclqS9wWF=xdfaSL')
        self.motion.save()

    def test_add_existing_user(self):
        response = self.client.post(
            reverse('motion-manage-submitters', args=[self.motion.pk]),
            {'user': self.admin.pk})
        self.assertEqual(response.status_code, 200)
        self.assertEqual(self.motion.submitters.count(), 1)

    def test_add_non_existing_user(self):
        response = self.client.post(
            reverse('motion-manage-submitters', args=[self.motion.pk]),
            {'user': 1337})
        self.assertEqual(response.status_code, 400)
        self.assertEqual(self.motion.submitters.count(), 0)

    def test_add_user_twice(self):
        response = self.client.post(
            reverse('motion-manage-submitters', args=[self.motion.pk]),
            {'user': self.admin.pk})
        response = self.client.post(
            reverse('motion-manage-submitters', args=[self.motion.pk]),
            {'user': self.admin.pk})
        self.assertEqual(response.status_code, 400)
        self.assertEqual(self.motion.submitters.count(), 1)

    def test_add_user_no_data(self):
        response = self.client.post(
            reverse('motion-manage-submitters', args=[self.motion.pk]))
        self.assertEqual(response.status_code, 400)
        self.assertEqual(self.motion.submitters.count(), 0)

    def test_add_user_invalid_data(self):
        response = self.client.post(
            reverse('motion-manage-submitters', args=[self.motion.pk]),
            {'user': ['invalid_str']})
        self.assertEqual(response.status_code, 400)
        self.assertEqual(self.motion.submitters.count(), 0)

    def test_add_without_permission(self):
        admin = get_user_model().objects.get(username='admin')
        admin.groups.add(GROUP_DELEGATE_PK)
        admin.groups.remove(GROUP_ADMIN_PK)
        inform_changed_data(admin)

        response = self.client.post(
            reverse('motion-manage-submitters', args=[self.motion.pk]),
            {'user': self.admin.pk})
        self.assertEqual(response.status_code, 403)
        self.assertEqual(self.motion.submitters.count(), 0)

    def test_remove_existing_user(self):
        response = self.client.post(
            reverse('motion-manage-submitters', args=[self.motion.pk]),
            {'user': self.admin.pk})
        response = self.client.delete(
            reverse('motion-manage-submitters', args=[self.motion.pk]),
            {'user': self.admin.pk})
        self.assertEqual(response.status_code, 200)
        self.assertEqual(self.motion.submitters.count(), 0)

    def test_remove_non_existing_user(self):
        response = self.client.post(
            reverse('motion-manage-submitters', args=[self.motion.pk]),
            {'user': self.admin.pk})
        response = self.client.delete(
            reverse('motion-manage-submitters', args=[self.motion.pk]),
            {'user': 1337})
        self.assertEqual(response.status_code, 400)
        self.assertEqual(self.motion.submitters.count(), 1)

    def test_remove_existing_user_twice(self):
        response = self.client.post(
            reverse('motion-manage-submitters', args=[self.motion.pk]),
            {'user': self.admin.pk})
        response = self.client.delete(
            reverse('motion-manage-submitters', args=[self.motion.pk]),
            {'user': self.admin.pk})
        response = self.client.delete(
            reverse('motion-manage-submitters', args=[self.motion.pk]),
            {'user': self.admin.pk})
        self.assertEqual(response.status_code, 400)
        self.assertEqual(self.motion.submitters.count(), 0)

    def test_remove_user_no_data(self):
        response = self.client.delete(
            reverse('motion-manage-submitters', args=[self.motion.pk]))
        self.assertEqual(response.status_code, 400)
        self.assertEqual(self.motion.submitters.count(), 0)

    def test_remove_user_invalid_data(self):
        response = self.client.delete(
            reverse('motion-manage-submitters', args=[self.motion.pk]),
            {'user': ['invalid_str']})
        self.assertEqual(response.status_code, 400)
        self.assertEqual(self.motion.submitters.count(), 0)


class ManageComments(TestCase):
    """
    Tests the manage_comment view.

    Tests creation/updating and deletion of motion comments.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')

        self.admin = get_user_model().objects.get()
        self.group_out = get_group_model().objects.get(pk=GROUP_DELEGATE_PK)  # The admin should not be in this group

        # Put the admin into the staff group, becaust in the admin group, he has all permissions for
        # every single comment section.
        self.admin.groups.add(GROUP_STAFF_PK)
        self.admin.groups.remove(GROUP_ADMIN_PK)
        inform_changed_data(self.admin)
        self.group_in = get_group_model().objects.get(pk=GROUP_STAFF_PK)

        self.motion = Motion(
            title='test_title_SlqfMw(waso0saWMPqcZ',
            text='test_text_f30skclqS9wWF=xdfaSL')
        self.motion.save()

        self.section_no_groups = MotionCommentSection(name='test_name_gj4F§(fj"(edm"§F3f3fs')
        self.section_no_groups.save()

        self.section_read = MotionCommentSection(name='test_name_2wv30(d2S&kvelkakl39')
        self.section_read.save()
        self.section_read.read_groups.add(self.group_in, self.group_out)  # Group out for testing multiple groups
        self.section_read.write_groups.add(self.group_out)

        self.section_read_write = MotionCommentSection(name='test_name_a3m9sd0(Mw2%slkrv30,')
        self.section_read_write.save()
        self.section_read_write.read_groups.add(self.group_in)
        self.section_read_write.write_groups.add(self.group_in)

    def test_retrieve_comment(self):
        comment = MotionComment(
            motion=self.motion,
            section=self.section_read_write,
            comment='test_comment_gwic37Csc&3lf3eo2')
        comment.save()

        response = self.client.get(reverse('motion-detail', args=[self.motion.pk]))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertTrue('comments' in response.data)
        comments = response.data['comments']
        self.assertTrue(isinstance(comments, list))
        self.assertEqual(len(comments), 1)
        self.assertEqual(comments[0]['comment'], 'test_comment_gwic37Csc&3lf3eo2')

    def test_retrieve_comment_no_read_permission(self):
        comment = MotionComment(
            motion=self.motion,
            section=self.section_no_groups,
            comment='test_comment_fgkj3C7veo3ijWE(j2DJ')
        comment.save()

        response = self.client.get(reverse('motion-detail', args=[self.motion.pk]))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertTrue('comments' in response.data)
        comments = response.data['comments']
        self.assertTrue(isinstance(comments, list))
        self.assertEqual(len(comments), 0)

    def test_wrong_data_type(self):
        response = self.client.post(
            reverse('motion-manage-comments', args=[self.motion.pk]),
            None,
            format='json')
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(
            response.data['detail'],
            'You have to provide a section_id of type int.')

    def test_wrong_comment_data_type(self):
        response = self.client.post(
            reverse('motion-manage-comments', args=[self.motion.pk]),
            {
                'section_id': self.section_read_write.id,
                'comment': [32, 'no_correct_data']
            },
            format='json')
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(
            response.data['detail'],
            'The comment should be a string.')

    def test_non_existing_section(self):
        response = self.client.post(
            reverse('motion-manage-comments', args=[self.motion.pk]),
            {
                'section_id': 42,
            },
            format='json')
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(
            response.data['detail'],
            'A comment section with id 42 does not exist')

    def test_create_comment(self):
        response = self.client.post(
            reverse('motion-manage-comments', args=[self.motion.pk]),
            {
                'section_id': self.section_read_write.pk,
                'comment': 'test_comment_fk3jrnfwsdg%fj=feijf'
            },
            format='json')
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(MotionComment.objects.count(), 1)
        comment = MotionComment.objects.get()
        self.assertEqual(comment.comment, 'test_comment_fk3jrnfwsdg%fj=feijf')

        # Check for a log entry
        motion_logs = MotionLog.objects.filter(motion=self.motion)
        self.assertEqual(motion_logs.count(), 1)
        comment_log = motion_logs.get()
        self.assertTrue(self.section_read_write.name in comment_log.message_list[0])

    def test_update_comment(self):
        comment = MotionComment(
            motion=self.motion,
            section=self.section_read_write,
            comment='test_comment_fji387fqwdf&ff=)Fe3j')
        comment.save()

        response = self.client.post(
            reverse('motion-manage-comments', args=[self.motion.pk]),
            {
                'section_id': self.section_read_write.pk,
                'comment': 'test_comment_fk3jrnfwsdg%fj=feijf'
            },
            format='json')
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        comment = MotionComment.objects.get()
        self.assertEqual(comment.comment, 'test_comment_fk3jrnfwsdg%fj=feijf')

        # Check for a log entry
        motion_logs = MotionLog.objects.filter(motion=self.motion)
        self.assertEqual(motion_logs.count(), 1)
        comment_log = motion_logs.get()
        self.assertTrue(self.section_read_write.name in comment_log.message_list[0])

    def test_delete_comment(self):
        comment = MotionComment(
            motion=self.motion,
            section=self.section_read_write,
            comment='test_comment_5CJ"8f23jd3j2,r93keZ')
        comment.save()

        response = self.client.delete(
            reverse('motion-manage-comments', args=[self.motion.pk]),
            {
                'section_id': self.section_read_write.pk
            },
            format='json')
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(MotionComment.objects.count(), 0)

        # Check for a log entry
        motion_logs = MotionLog.objects.filter(motion=self.motion)
        self.assertEqual(motion_logs.count(), 1)
        comment_log = motion_logs.get()
        self.assertTrue(self.section_read_write.name in comment_log.message_list[0])

    def test_delete_not_existing_comment(self):
        """
        This should fail silently; no error, if the user wants to delete
        a not existing comment.
        """
        response = self.client.delete(
            reverse('motion-manage-comments', args=[self.motion.pk]),
            {
                'section_id': self.section_read_write.pk
            },
            format='json')
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(MotionComment.objects.count(), 0)

        # Check that no log entry was created
        motion_logs = MotionLog.objects.filter(motion=self.motion)
        self.assertEqual(motion_logs.count(), 0)

    def test_create_comment_no_write_permission(self):
        response = self.client.post(
            reverse('motion-manage-comments', args=[self.motion.pk]),
            {
                'section_id': self.section_read.pk,
                'comment': 'test_comment_f38jfwqfj830fj4j(FU3'
            },
            format='json')
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(MotionComment.objects.count(), 0)
        self.assertEqual(
            response.data['detail'],
            'You are not allowed to see or write to the comment section.')

    def test_update_comment_no_write_permission(self):
        comment = MotionComment(
            motion=self.motion,
            section=self.section_read,
            comment='test_comment_jg38dwiej2D832(D§dk)')
        comment.save()

        response = self.client.post(
            reverse('motion-manage-comments', args=[self.motion.pk]),
            {
                'section_id': self.section_read.pk,
                'comment': 'test_comment_fk3jrnfwsdg%fj=feijf'
            },
            format='json')
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        comment = MotionComment.objects.get()
        self.assertEqual(comment.comment, 'test_comment_jg38dwiej2D832(D§dk)')

    def test_delete_comment_no_write_permission(self):
        comment = MotionComment(
            motion=self.motion,
            section=self.section_read,
            comment='test_comment_fej(NF§kfePOF383o8DN')
        comment.save()

        response = self.client.delete(
            reverse('motion-manage-comments', args=[self.motion.pk]),
            {
                'section_id': self.section_read.pk
            },
            format='json')
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(MotionComment.objects.count(), 1)
        comment = MotionComment.objects.get()
        self.assertEqual(comment.comment, 'test_comment_fej(NF§kfePOF383o8DN')


class TestMotionCommentSection(TestCase):
    """
    Tests creating, updating and deletion of comment sections.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')

        self.admin = get_user_model().objects.get()
        self.admin.groups.add(GROUP_STAFF_PK)  # Put the admin in a groiup with limited permissions for testing.
        self.admin.groups.remove(GROUP_ADMIN_PK)
        inform_changed_data(self.admin)
        self.group_in = get_group_model().objects.get(pk=GROUP_STAFF_PK)
        self.group_out = get_group_model().objects.get(pk=GROUP_DELEGATE_PK)  # The admin should not be in this group

    def test_retrieve(self):
        """
        Checks, if the sections can be seen by a manager.
        """
        section = MotionCommentSection(name='test_name_f3jOF3m8fp.<qiqmf32=')
        section.save()

        response = self.client.get(reverse('motioncommentsection-list'))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertTrue(isinstance(response.data, list))
        self.assertEqual(len(response.data), 1)
        self.assertEqual(response.data[0]['name'], 'test_name_f3jOF3m8fp.<qiqmf32=')

    def test_retrieve_non_manager_with_read_permission(self):
        """
        Checks, if the sections can be seen by a non manager, but he is in
        one of the read_groups.
        """
        self.admin.groups.remove(self.group_in)  # group_in has motions.can_manage permission
        self.admin.groups.add(self.group_out)  # group_out does not.

        section = MotionCommentSection(name='test_name_f3mMD28LMcm29Coelwcm')
        section.save()
        section.read_groups.add(self.group_out, self.group_in)

        response = self.client.get(reverse('motioncommentsection-list'))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(len(response.data), 1)
        self.assertEqual(response.data[0]['name'], 'test_name_f3mMD28LMcm29Coelwcm')

    def test_retrieve_non_manager_no_read_permission(self):
        """
        Checks, if sections are removed, if the user is a non manager and is in
        any of the read_groups.
        """
        self.admin.groups.remove(self.group_in)
        inform_changed_data(self.admin)

        section = MotionCommentSection(name='test_name_f3jOF3m8fp.<qiqmf32=')
        section.save()
        section.read_groups.add(self.group_out)

        response = self.client.get(reverse('motioncommentsection-list'))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertTrue(isinstance(response.data, list))
        self.assertEqual(len(response.data), 0)

    def test_create(self):
        """
        Create a section just with a name.
        """
        response = self.client.post(
            reverse('motioncommentsection-list'),
            {'name': 'test_name_ekjfen3n)F§zn83f§Fge'})
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        self.assertEqual(MotionCommentSection.objects.count(), 1)
        self.assertEqual(
            MotionCommentSection.objects.get().name,
            'test_name_ekjfen3n)F§zn83f§Fge')

    def test_create_no_permission(self):
        """
        Try to create a section without can_manage permissions.
        """
        self.admin.groups.remove(self.group_in)
        inform_changed_data(self.admin)

        response = self.client.post(
            reverse('motioncommentsection-list'),
            {'name': 'test_name_wfl3jlkcmlq23ucn7eiq'})
        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
        self.assertEqual(MotionCommentSection.objects.count(), 0)

    def test_create_no_name(self):
        """
        Create a section without a name. This should fail, because a name is required.
        """
        response = self.client.post(reverse('motioncommentsection-list'), {})
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(MotionCommentSection.objects.count(), 0)
        self.assertEqual(response.data['name'][0], 'This field is required.')

    def test_create_with_groups(self):
        """
        Create a section with name and both groups.
        """
        response = self.client.post(
            reverse('motioncommentsection-list'),
            {
                'name': 'test_name_fg4kmFn73FhFk327f/3h',
                'read_groups_id': [2, 3],
                'write_groups_id': [3, 4],
            })
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        self.assertEqual(MotionCommentSection.objects.count(), 1)
        comment = MotionCommentSection.objects.get()
        self.assertEqual(
            comment.name,
            'test_name_fg4kmFn73FhFk327f/3h')
        self.assertEqual(
            list(comment.read_groups.values_list('pk', flat=True)),
            [2, 3])
        self.assertEqual(
            list(comment.write_groups.values_list('pk', flat=True)),
            [3, 4])

    def test_create_with_one_group(self):
        """
        Create a section with a name and write_groups.
        """
        response = self.client.post(
            reverse('motioncommentsection-list'),
            {
                'name': 'test_name_ekjfen3n)F§zn83f§Fge',
                'write_groups_id': [1, 3],
            })
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        self.assertEqual(MotionCommentSection.objects.count(), 1)
        comment = MotionCommentSection.objects.get()
        self.assertEqual(
            comment.name,
            'test_name_ekjfen3n)F§zn83f§Fge')
        self.assertEqual(comment.read_groups.count(), 0)
        self.assertEqual(
            list(comment.write_groups.values_list('pk', flat=True)),
            [1, 3])

    def test_create_with_non_existing_group(self):
        """
        Create a section with some non existing groups. This should fail.
        """
        response = self.client.post(
            reverse('motioncommentsection-list'),
            {
                'name': 'test_name_4gnUVnF§29FnH3287fhG',
                'write_groups_id': [42, 1, 8],
            })
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(MotionCommentSection.objects.count(), 0)
        self.assertEqual(
            response.data['write_groups_id'][0],
            'Invalid pk "42" - object does not exist.')

    def test_update(self):
        """
        Update a section name.
        """
        section = MotionCommentSection(name='test_name_dlfgNDf37ND(g3fNf43g')
        section.save()

        response = self.client.put(
            reverse('motioncommentsection-detail', args=[section.pk]),
            {'name': 'test_name_ekjfen3n)F§zn83f§Fge'})
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(MotionCommentSection.objects.count(), 1)
        self.assertEqual(
            MotionCommentSection.objects.get().name,
            'test_name_ekjfen3n)F§zn83f§Fge')

    def test_update_groups(self):
        """
        Update one of the groups.
        """
        section = MotionCommentSection(name='test_name_f3jFq3hShf/(fh2qlPOp')
        section.save()
        section.read_groups.add(2)
        section.write_groups.add(3)

        response = self.client.patch(
            reverse('motioncommentsection-detail', args=[section.pk]),
            {
                'name': 'test_name_gkk3FhfhpmQMhC,Y378c',
                'read_groups_id': [2, 4],
            })
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(MotionCommentSection.objects.count(), 1)
        comment = MotionCommentSection.objects.get()
        self.assertEqual(comment.name, 'test_name_gkk3FhfhpmQMhC,Y378c')
        self.assertEqual(
            list(comment.read_groups.values_list('pk', flat=True)),
            [2, 4])
        self.assertEqual(
            list(comment.write_groups.values_list('pk', flat=True)),
            [3])

    def test_update_no_permission(self):
        """
        Try to update a section without can_manage permissions.
        """
        self.admin.groups.remove(self.group_in)

        section = MotionCommentSection(name='test_name_wl2oxmmhe/2kd92lwPSi')
        section.save()

        response = self.client.patch(
            reverse('motioncommentsection-list'),
            {'name': 'test_name_2slmDMwmqqcmC92mcklw'})
        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
        self.assertEqual(MotionCommentSection.objects.count(), 1)
        self.assertEqual(
            MotionCommentSection.objects.get().name,
            'test_name_wl2oxmmhe/2kd92lwPSi')

    def test_delete(self):
        """
        Delete a section.
        """
        section = MotionCommentSection(name='test_name_ecMCq;ymwuZZ723kD)2k')
        section.save()

        response = self.client.delete(reverse('motioncommentsection-detail', args=[section.pk]))
        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
        self.assertEqual(MotionCommentSection.objects.count(), 0)

    def test_delete_non_existing_section(self):
        """
        Delete a non existing section.
        """
        response = self.client.delete(reverse('motioncommentsection-detail', args=[2]))
        self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
        self.assertEqual(MotionCommentSection.objects.count(), 0)

    def test_delete_with_existing_comments(self):
        """
        Delete a section with existing comments. This should fail, because sections
        are protected.
        """
        section = MotionCommentSection(name='test_name_ecMCq;ymwuZZ723kD)2k')
        section.save()

        motion = Motion(
            title='test_title_SlqfMw(waso0saWMPqcZ',
            text='test_text_f30skclqS9wWF=xdfaSL')
        motion.save()

        comment = MotionComment(
            comment='test_comment_dlkMD23m)(D9020m0/Zd',
            motion=motion,
            section=section)
        comment.save()

        response = self.client.delete(reverse('motioncommentsection-detail', args=[section.pk]))
        self.assertTrue('test_title_SlqfMw(waso0saWMPqcZ' in response.data['detail'])
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(MotionCommentSection.objects.count(), 1)

    def test_delete_no_permission(self):
        """
        Try to delete a section without can_manage permissions
        """
        self.admin.groups.remove(self.group_in)
        inform_changed_data(self.admin)

        section = MotionCommentSection(name='test_name_wl2oxmmhe/2kd92lwPSi')
        section.save()

        response = self.client.delete(reverse('motioncommentsection-detail', args=[section.pk]))
        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)
        self.assertEqual(MotionCommentSection.objects.count(), 1)


class RetrieveMotionChangeRecommendation(TestCase):
    """
    Tests retrieving motion change recommendations.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')

        motion = Motion(
            title='test_title_3kd)K23,c9239mdj2wcG',
            text='test_text_f8FLP,gvprC;wovVEwlQ')
        motion.save()

        self.public_cr = MotionChangeRecommendation(
            motion=motion,
            internal=False,
            line_from=1,
            line_to=1)
        self.public_cr.save()

        self.internal_cr = MotionChangeRecommendation(
            motion=motion,
            internal=True,
            line_from=2,
            line_to=2)
        self.internal_cr.save()

    def test_simple(self):
        """
        Test retrieving all change recommendations.
        """
        response = self.client.get(reverse('motionchangerecommendation-list'))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(len(response.data), 2)

    def test_non_admin(self):
        """
        Test retrieving of all change recommendations that are public, if the user
        has no manage perms.
        """
        self.admin = get_user_model().objects.get(username='admin')
        self.admin.groups.add(GROUP_DELEGATE_PK)
        self.admin.groups.remove(GROUP_ADMIN_PK)
        inform_changed_data(self.admin)

        response = self.client.get(reverse('motionchangerecommendation-list'))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(len(response.data), 1)
        self.assertEqual(response.data[0]['id'], self.public_cr.id)


class CreateMotionChangeRecommendation(TestCase):
    """
    Tests motion change recommendation creation.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')

        self.client.post(
            reverse('motion-list'),
            {'title': 'test_title_OoCoo3MeiT9li5Iengu9',
             'text': 'test_text_thuoz0iecheiheereiCi'})

    def test_simple(self):
        """
        Creating a change plain, simple change recommendation
        """
        response = self.client.post(
            reverse('motionchangerecommendation-list'),
            {'line_from': '5',
             'line_to': '7',
             'motion_id': '1',
             'text': '<p>New test</p>',
             'type': '0'})
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)

    def test_collission(self):
        """
        Two change recommendations with overlapping lines should lead to a Bad Request
        """
        response = self.client.post(
            reverse('motionchangerecommendation-list'),
            {'line_from': '5',
             'line_to': '7',
             'motion_id': '1',
             'text': '<p>New test</p>',
             'type': '0'})
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)

        response = self.client.post(
            reverse('motionchangerecommendation-list'),
            {'line_from': '3',
             'line_to': '6',
             'motion_id': '1',
             'text': '<p>New test</p>',
             'type': '0'})
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(response.data, {'detail': 'The recommendation collides with an existing one (line 3 - 6).'})

    def test_no_collission_different_motions(self):
        """
        Two change recommendations with overlapping lines, but affecting different motions, should not interfere
        """
        self.client.post(
            reverse('motion-list'),
            {'title': 'test_title_OoCoo3MeiT9li5Iengu9',
             'text': 'test_text_thuoz0iecheiheereiCi'})

        response = self.client.post(
            reverse('motionchangerecommendation-list'),
            {'line_from': '5',
             'line_to': '7',
             'motion_id': '1',
             'text': '<p>New test</p>',
             'type': '0'})
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)

        response = self.client.post(
            reverse('motionchangerecommendation-list'),
            {'line_from': '3',
             'line_to': '6',
             'motion_id': '2',
             'text': '<p>New test</p>',
             'type': '0'})
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)


class SupportMotion(TestCase):
    """
    Tests supporting a motion.
    """
    def setUp(self):
        self.admin = get_user_model().objects.get(username='admin')
        self.admin.groups.add(GROUP_DELEGATE_PK)
        inform_changed_data(self.admin)
        self.client.login(username='admin', password='admin')
        self.motion = Motion(
            title='test_title_chee7ahCha6bingaew4e',
            text='test_text_birah1theL9ooseeFaip')
        self.motion.save()

    def test_support(self):
        config['motions_min_supporters'] = 1

        response = self.client.post(reverse('motion-support', args=[self.motion.pk]))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(response.data, {'detail': 'You have supported this motion successfully.'})

    def test_unsupport(self):
        config['motions_min_supporters'] = 1
        self.motion.supporters.add(self.admin)
        response = self.client.delete(reverse('motion-support', args=[self.motion.pk]))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(response.data, {'detail': 'You have unsupported this motion successfully.'})


class SetState(TestCase):
    """
    Tests setting a state.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')
        self.motion = Motion(
            title='test_title_iac4ohquie9Ku6othieC',
            text='test_text_Xohphei6Oobee0Evooyu')
        self.motion.save()
        self.state_id_accepted = 2  # This should be the id of the state 'accepted'.

    def test_set_state(self):
        response = self.client.put(
            reverse('motion-set-state', args=[self.motion.pk]),
            {'state': self.state_id_accepted})

        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(response.data, {'detail': 'The state of the motion was set to accepted.'})
        self.assertEqual(Motion.objects.get(pk=self.motion.pk).state.name, 'accepted')

    def test_set_state_with_string(self):
        # Using a string is not allowed even if it is the correct name of the state.
        response = self.client.put(
            reverse('motion-set-state', args=[self.motion.pk]),
            {'state': 'accepted'})
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(response.data, {'detail': 'Invalid data. State must be an integer.'})

    def test_set_unknown_state(self):
        invalid_state_id = 0
        response = self.client.put(
            reverse('motion-set-state', args=[self.motion.pk]),
            {'state': invalid_state_id})
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(response.data, {'detail': 'You can not set the state to %d.' % invalid_state_id})

    def test_reset(self):
        self.motion.set_state(self.state_id_accepted)
        self.motion.save()
        response = self.client.put(reverse('motion-set-state', args=[self.motion.pk]))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(response.data, {'detail': 'The state of the motion was set to submitted.'})
        self.assertEqual(Motion.objects.get(pk=self.motion.pk).state.name, 'submitted')


class SetRecommendation(TestCase):
    """
    Tests setting a recommendation.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')
        self.motion = Motion(
            title='test_title_ahfooT5leilahcohJ2uz',
            text='test_text_enoogh7OhPoo6eohoCus')
        self.motion.save()
        self.state_id_accepted = 2  # This should be the id of the state 'accepted'.

    def test_set_recommendation(self):
        response = self.client.put(
            reverse('motion-set-recommendation', args=[self.motion.pk]),
            {'recommendation': self.state_id_accepted})
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(response.data, {'detail': 'The recommendation of the motion was set to Acceptance.'})
        self.assertEqual(Motion.objects.get(pk=self.motion.pk).recommendation.name, 'accepted')

    def test_set_state_with_string(self):
        # Using a string is not allowed even if it is the correct name of the state.
        response = self.client.put(
            reverse('motion-set-recommendation', args=[self.motion.pk]),
            {'recommendation': 'accepted'})
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(response.data, {'detail': 'Invalid data. Recommendation must be an integer.'})

    def test_set_unknown_recommendation(self):
        invalid_state_id = 0
        response = self.client.put(
            reverse('motion-set-recommendation', args=[self.motion.pk]),
            {'recommendation': invalid_state_id})
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(response.data, {'detail': 'You can not set the recommendation to %d.' % invalid_state_id})

    def test_set_invalid_recommendation(self):
        # This is a valid state id, but this state is not recommendable because it belongs to a different workflow.
        invalid_state_id = 6  # State 'permitted'
        response = self.client.put(
            reverse('motion-set-recommendation', args=[self.motion.pk]),
            {'recommendation': invalid_state_id})
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(response.data, {'detail': 'You can not set the recommendation to %d.' % invalid_state_id})

    def test_set_invalid_recommendation_2(self):
        # This is a valid state id, but this state is not recommendable because it has not recommendation label
        invalid_state_id = 1  # State 'submitted'
        self.motion.set_state(self.state_id_accepted)
        self.motion.save()
        response = self.client.put(
            reverse('motion-set-recommendation', args=[self.motion.pk]),
            {'recommendation': invalid_state_id})
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(response.data, {'detail': 'You can not set the recommendation to %d.' % invalid_state_id})

    def test_reset(self):
        self.motion.set_recommendation(self.state_id_accepted)
        self.motion.save()
        response = self.client.put(reverse('motion-set-recommendation', args=[self.motion.pk]))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(response.data, {'detail': 'The recommendation of the motion was set to None.'})
        self.assertTrue(Motion.objects.get(pk=self.motion.pk).recommendation is None)

    def test_set_recommendation_to_current_state(self):
        self.motion.set_state(self.state_id_accepted)
        self.motion.save()
        response = self.client.put(
            reverse('motion-set-recommendation', args=[self.motion.pk]),
            {'recommendation': self.state_id_accepted})
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(response.data, {'detail': 'The recommendation of the motion was set to Acceptance.'})
        self.assertEqual(Motion.objects.get(pk=self.motion.pk).recommendation.name, 'accepted')


class CreateMotionPoll(TestCase):
    """
    Tests creating polls of motions.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')
        self.motion = Motion(
            title='test_title_Aiqueigh2dae9phabiqu',
            text='test_text_Neekoh3zou6li5rue8iL')
        self.motion.save()

    def test_create_first_poll_with_values_then_second_poll_without(self):
        self.poll = self.motion.create_poll()
        self.poll.set_vote_objects_with_values(self.poll.get_options().get(), {'Yes': 42, 'No': 43, 'Abstain': 44})
        response = self.client.post(
            reverse('motion-create-poll', args=[self.motion.pk]))
        self.assertEqual(self.motion.polls.count(), 2)
        response = self.client.get(reverse('motion-detail', args=[self.motion.pk]))
        for key in ('yes', 'no', 'abstain'):
            self.assertTrue(response.data['polls'][1][key] is None, 'Vote value "{}" should be None.'.format(key))


class UpdateMotionPoll(TestCase):
    """
    Tests updating polls of motions.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')
        self.motion = Motion(
            title='test_title_Aiqueigh2dae9phabiqu',
            text='test_text_Neekoh3zou6li5rue8iL')
        self.motion.save()
        self.poll = self.motion.create_poll()

    def test_invalid_votesvalid_value(self):
        response = self.client.put(
            reverse('motionpoll-detail', args=[self.poll.pk]),
            {'motion_id': self.motion.pk,
             'votesvalid': '-3'})
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)

    def test_invalid_votesinvalid_value(self):
        response = self.client.put(
            reverse('motionpoll-detail', args=[self.poll.pk]),
            {'motion_id': self.motion.pk,
             'votesinvalid': '-3'})
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)

    def test_invalid_votescast_value(self):
        response = self.client.put(
            reverse('motionpoll-detail', args=[self.poll.pk]),
            {'motion_id': self.motion.pk,
             'votescast': '-3'})
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)

    def test_empty_value_for_votesvalid(self):
        response = self.client.put(
            reverse('motionpoll-detail', args=[self.poll.pk]),
            {'motion_id': self.motion.pk,
             'votesvalid': ''})
        self.assertEqual(response.status_code, status.HTTP_200_OK)


class NumberMotionsInCategory(TestCase):
    """
    Tests numbering motions in a category.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')
        self.category = Category.objects.create(
            name='test_cateogory_name_zah6Ahd4Ifofaeree6ai',
            prefix='test_prefix_ahz6tho2mooH8')
        self.motion = Motion(
            title='test_title_Eeha8Haf6peulu8ooc0z',
            text='test_text_faghaZoov9ooV4Acaquk',
            category=self.category)
        self.motion.save()
        self.motion.identifier = ''
        self.motion.save()
        self.motion_2 = Motion(
            title='test_title_kuheih2eja2Saeshusha',
            text='test_text_Ha5ShaeraeSuthooP2Bu',
            category=self.category)
        self.motion_2.save()
        self.motion_2.identifier = ''
        self.motion_2.save()

    def test_numbering(self):
        response = self.client.post(
            reverse('category-numbering', args=[self.category.pk]))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(response.data, {'detail': 'All motions in category test_cateogory_name_zah6Ahd4Ifofaeree6ai numbered successfully.'})
        self.assertEqual(Motion.objects.get(pk=self.motion.pk).identifier, 'test_prefix_ahz6tho2mooH8 1')
        self.assertEqual(Motion.objects.get(pk=self.motion_2.pk).identifier, 'test_prefix_ahz6tho2mooH8 2')

    def test_numbering_existing_identifier(self):
        self.motion_2.identifier = 'test_prefix_ahz6tho2mooH8 1'
        self.motion_2.save()
        response = self.client.post(
            reverse('category-numbering', args=[self.category.pk]))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(response.data, {'detail': 'All motions in category test_cateogory_name_zah6Ahd4Ifofaeree6ai numbered successfully.'})
        self.assertEqual(Motion.objects.get(pk=self.motion.pk).identifier, 'test_prefix_ahz6tho2mooH8 1')
        self.assertEqual(Motion.objects.get(pk=self.motion_2.pk).identifier, 'test_prefix_ahz6tho2mooH8 2')

    def test_numbering_with_given_order(self):
        self.motion_3 = Motion(
            title='test_title_eeb0kua5ciike4su2auJ',
            text='test_text_ahshuGhaew3eim8yoht7',
            category=self.category)
        self.motion_3.save()
        self.motion_3.identifier = ''
        self.motion_3.save()
        response = self.client.post(
            reverse('category-numbering', args=[self.category.pk]),
            {'motions': [3, 2]},
            format='json')
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(response.data, {'detail': 'All motions in category test_cateogory_name_zah6Ahd4Ifofaeree6ai numbered successfully.'})
        self.assertEqual(Motion.objects.get(pk=self.motion.pk).identifier, None)
        self.assertEqual(Motion.objects.get(pk=self.motion_2.pk).identifier, 'test_prefix_ahz6tho2mooH8 2')
        self.assertEqual(Motion.objects.get(pk=self.motion_3.pk).identifier, 'test_prefix_ahz6tho2mooH8 1')


class FollowRecommendationsForMotionBlock(TestCase):
    """
    Tests following the recommendations of motions in an motion block.
    """
    def setUp(self):
        self.state_id_accepted = 2  # This should be the id of the state 'accepted'.
        self.state_id_rejected = 3  # This should be the id of the state 'rejected'.

        self.client = APIClient()
        self.client.login(username='admin', password='admin')

        self.motion_block = MotionBlock.objects.create(
            title='test_motion_block_name_Ufoopiub7quaezaepeic')

        self.motion = Motion(
            title='test_title_yo8ohy5eifeiyied2AeD',
            text='test_text_chi1aeth5faPhueQu8oh',
            motion_block=self.motion_block)
        self.motion.save()
        self.motion.set_recommendation(self.state_id_accepted)
        self.motion.save()

        self.motion_2 = Motion(
            title='test_title_eith0EemaW8ahZa9Piej',
            text='test_text_haeho1ohk3ou7pau2Jee',
            motion_block=self.motion_block)
        self.motion_2.save()
        self.motion_2.set_recommendation(self.state_id_rejected)
        self.motion_2.save()

    def test_follow_recommendations_for_motion_block(self):
        response = self.client.post(reverse('motionblock-follow-recommendations', args=[self.motion_block.pk]))
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(Motion.objects.get(pk=self.motion.pk).state.id, self.state_id_accepted)
        self.assertEqual(Motion.objects.get(pk=self.motion_2.pk).state.id, self.state_id_rejected)


class CreateWorkflow(TestCase):
    """
    Tests the creating of workflows.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')

    def test_creation(self):
        Workflow.objects.all().delete()
        response = self.client.post(
            reverse('workflow-list'),
            {'name': 'test_name_OoCoo3MeiT9li5Iengu9'})
        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
        workflow = Workflow.objects.get()
        self.assertEqual(workflow.name, 'test_name_OoCoo3MeiT9li5Iengu9')
        first_state = workflow.first_state
        self.assertEqual(type(first_state), State)


class UpdateWorkflow(TestCase):
    """
    Tests the updating of workflows.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')
        self.workflow = Workflow.objects.first()

    def test_rename_workflow(self):
        response = self.client.patch(
            reverse('workflow-detail', args=[self.workflow.pk]),
            {'name': 'test_name_wofi38DiWLT"8d3lwfo3'})

        workflow = Workflow.objects.get(pk=self.workflow.id)
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(workflow.name, 'test_name_wofi38DiWLT"8d3lwfo3')


class DeleteWorkflow(TestCase):
    """
    Tests the deletion of workflows.
    """
    def setUp(self):
        self.client = APIClient()
        self.client.login(username='admin', password='admin')
        self.workflow = Workflow.objects.first()

    def test_simple_delete(self):
        response = self.client.delete(
            reverse('workflow-detail', args=[self.workflow.pk]))
        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
        self.assertEqual(Workflow.objects.count(), 1)  # Just the other default one

    def test_delete_with_assigned_motions(self):
        self.motion = Motion(
            title='test_title_chee7ahCha6bingaew4e',
            text='test_text_birah1theL9ooseeFaip')
        self.motion.reset_state(self.workflow)
        self.motion.save()

        response = self.client.delete(
            reverse('workflow-detail', args=[self.workflow.pk]))
        self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
        self.assertEqual(Workflow.objects.count(), 2)