def test_get_number_of_votes(self):
'''
Testing the method get_number_of_votes
'''
# Exising idea and user
number_of_votes = IdeaService.get_number_of_votes(
self.user.id,
self.idea.id
)
self.assertEqual(number_of_votes, 1)
# User does not exist
number_of_votes = IdeaService.get_number_of_votes(0, self.idea.id)
self.assertEqual(number_of_votes, 0)
# Idea does not exist
number_of_votes = IdeaService.get_number_of_votes(self.user.id, 0)
self.assertEqual(number_of_votes, 0)
# Both idea and user do not exist
number_of_votes = IdeaService.get_number_of_votes(0, 0)
self.assertEqual(number_of_votes, 0)
# Using None
number_of_votes = IdeaService.get_number_of_votes(None, None)
self.assertEqual(number_of_votes, 0)
def test_get_ideas_by_category(self):
'''
Testing the method get_ideas_by_category
'''
# Existing category
category_a_ideas = IdeaService.get_ideas_by_category(self.category.id)
self.assertEqual(len(category_a_ideas), 2)
# Make sure it contains only the desired fields
idea = category_a_ideas[0]
self.assertIn('id', idea)
self.assertIn('title', idea)
self.assertIn('user__first_name', idea)
self.assertIn('created_date', idea)
self.assertIn('excerpt', idea)
self.assertIn('votes', idea)
# Category without idea
category_a_ideas = IdeaService.get_ideas_by_category(2)
self.assertEqual(len(category_a_ideas), 0)
# Category does not exist
category_a_ideas = IdeaService.get_ideas_by_category(999)
self.assertEqual(len(category_a_ideas), 0)
# Using none
category_a_ideas = IdeaService.get_ideas_by_category(None)
self.assertEqual(len(category_a_ideas), 0)
def test_get_latest_ideas(self):
'''
Testing the method get_latest_ideas
'''
# Retrieving all the ideas
ideas = IdeaService.get_latest_ideas(10)
self.assertEqual(len(ideas), 2)
# Make sure it contains only the desired fields
idea = ideas[0]
self.assertIn('id', idea)
self.assertIn('title', idea)
self.assertIn('user__first_name', idea)
self.assertIn('created_date', idea)
self.assertIn('excerpt', idea)
self.assertIn('votes', idea)
# Make sure it is sorted by created date DESC
self.assertGreater(
ideas[0]['created_date'],
ideas[1]['created_date']
)
# Using None
ideas = IdeaService.get_latest_ideas(None)
self.assertEqual(len(ideas), 2)
def test_get_ideas_by_category(self):
'''
Testing the method get_ideas_by_category
'''
# Existing category
category_a_ideas = IdeaService.get_ideas_by_category(
self.category.id
)
self.assertEqual(len(category_a_ideas), 2)
# Make sure it contains only the desired fields
idea = category_a_ideas[0]
self.assertIn('id', idea)
self.assertIn('title', idea)
self.assertIn('user__first_name', idea)
self.assertIn('created_date', idea)
self.assertIn('excerpt', idea)
self.assertIn('votes', idea)
# Category without idea
category_a_ideas = IdeaService.get_ideas_by_category(2)
self.assertEqual(len(category_a_ideas), 0)
# Category does not exist
category_a_ideas = IdeaService.get_ideas_by_category(999)
self.assertEqual(len(category_a_ideas), 0)
# Using none
category_a_ideas = IdeaService.get_ideas_by_category(None)
self.assertEqual(len(category_a_ideas), 0)
def test_get_number_of_votes(self):
'''
Testing the method get_number_of_votes
'''
# Exising idea and user
number_of_votes = IdeaService.get_number_of_votes(
self.user.id, self.idea.id)
self.assertEqual(number_of_votes, 1)
# User does not exist
number_of_votes = IdeaService.get_number_of_votes(0, self.idea.id)
self.assertEqual(number_of_votes, 0)
# Idea does not exist
number_of_votes = IdeaService.get_number_of_votes(self.user.id, 0)
self.assertEqual(number_of_votes, 0)
# Both idea and user do not exist
number_of_votes = IdeaService.get_number_of_votes(0, 0)
self.assertEqual(number_of_votes, 0)
# Using None
number_of_votes = IdeaService.get_number_of_votes(None, None)
self.assertEqual(number_of_votes, 0)
def test_get_categories(self):
'''
Testing the method get_categories
'''
# Retrieving one category
categories = IdeaService.get_categories(1)
self.assertEqual(len(categories), 1)
# Retrieving all the categories
categories = IdeaService.get_categories(10)
self.assertEqual(len(categories), 3)
# Using None
categories = IdeaService.get_categories(None)
self.assertEqual(len(categories), 3)
def test_get_categories(self):
'''
Testing the method get_categories
'''
# Retrieving one category
categories = IdeaService.get_categories(1)
self.assertEqual(len(categories), 1)
# Retrieving all the categories
categories = IdeaService.get_categories(10)
self.assertEqual(len(categories), 3)
# Using None
categories = IdeaService.get_categories(None)
self.assertEqual(len(categories), 3)
def get_queryset(self):
'''
Return a dictionnary of fields, it will not be objects.
'''
return IdeaService.get_ideas_by_category(
self.kwargs['category_id']
)
def test_get_safe_limit(self):
'''
Test the method get_safe_limit
'''
# Valid limit
limit = IdeaService.get_safe_limit(8)
self.assertEqual(limit, 8)
# Negative limit
limit = IdeaService.get_safe_limit(-1)
self.assertEqual(limit, IdeaService.LIMIT)
# Limit above max
limit = IdeaService.get_safe_limit(IdeaService.LIMIT + 1)
self.assertEqual(limit, IdeaService.LIMIT)
# None
limit = IdeaService.get_safe_limit(None)
self.assertEqual(limit, IdeaService.LIMIT)
# Parsable string
limit = IdeaService.get_safe_limit('8')
self.assertEqual(limit, 8)
# Un-parsable string
limit = IdeaService.get_safe_limit('qwerty')
self.assertEqual(limit, IdeaService.LIMIT)
def test_get_safe_limit(self):
'''
Test the method get_safe_limit
'''
# Valid limit
limit = IdeaService.get_safe_limit(8)
self.assertEqual(limit, 8)
# Negative limit
limit = IdeaService.get_safe_limit(-1)
self.assertEqual(limit, IdeaService.LIMIT)
# Limit above max
limit = IdeaService.get_safe_limit(IdeaService.LIMIT + 1)
self.assertEqual(limit, IdeaService.LIMIT)
# None
limit = IdeaService.get_safe_limit(None)
self.assertEqual(limit, IdeaService.LIMIT)
# Parsable string
limit = IdeaService.get_safe_limit('8')
self.assertEqual(limit, 8)
# Un-parsable string
limit = IdeaService.get_safe_limit('qwerty')
self.assertEqual(limit, IdeaService.LIMIT)
def test_get_latest_ideas(self):
'''
Testing the method get_latest_ideas
'''
# Retrieving all the ideas
ideas = IdeaService.get_latest_ideas(10)
self.assertEqual(len(ideas), 2)
# Make sure it contains only the desired fields
idea = ideas[0]
self.assertIn('id', idea)
self.assertIn('title', idea)
self.assertIn('user__first_name', idea)
self.assertIn('created_date', idea)
self.assertIn('excerpt', idea)
self.assertIn('votes', idea)
# Make sure it is sorted by created date DESC
self.assertGreater(ideas[0]['created_date'], ideas[1]['created_date'])
# Using None
ideas = IdeaService.get_latest_ideas(None)
self.assertEqual(len(ideas), 2)
def validate(self, value):
'''
Validate the vote for an idea from the current user. At this point,
the idea is valid, and we check whereas the user already voted for
this idea or not.
'''
super(IdeaIdField, self).validate(value)
if not self.user.id:
raise forms.ValidationError('You must be logged in to vote.');
number_of_votes = IdeaService.get_number_of_votes(
self.user.id,
value.id
)
if number_of_votes > 0:
raise forms.ValidationError('You already voted for this idea.');
def get_context_data(self, **kwargs):
'''
This is how we can add extra data to the context when using
a generic view. We are just adding a flag to check whether
the user already voted for the idea or not.
'''
context = super(DetailView, self).get_context_data(**kwargs)
#Cannot vote if not logged in
has_not_voted = False
#Checking if the user already voted
if self.request.user.id:
number_of_votes = IdeaService.get_number_of_votes(
self.request.user.id, self.kwargs['pk'])
has_not_voted = (number_of_votes == 0)
context['has_not_voted'] = has_not_voted
return context
def get_context_data(self, **kwargs):
'''
This is how we can add extra data to the context when using
a generic view. We are just adding a flag to check whether
the user already voted for the idea or not.
'''
context = super(DetailView, self).get_context_data(**kwargs)
#Cannot vote if not logged in
has_not_voted = False
#Checking if the user already voted
if self.request.user.id:
number_of_votes = IdeaService.get_number_of_votes(
self.request.user.id,
self.kwargs['pk']
)
has_not_voted = (number_of_votes == 0)
context['has_not_voted'] = has_not_voted
return context
def get_queryset(self):
return IdeaService.get_categories(8)
def get_queryset(self):
'''
Return a dictionnary of fields, it will not be objects.
'''
return IdeaService.get_latest_ideas(8)
def get_queryset(self):
'''
Return a dictionnary of fields, it will not be objects.
'''
return IdeaService.get_latest_ideas(8)
def get_queryset(self):
'''
Return a dictionnary of fields, it will not be objects.
'''
return IdeaService.get_ideas_by_category(self.kwargs['category_id'])
