def list(self, request, *args, **kwargs):
challenge_pk = kwargs.get('challenge_pk', '')
try:
Challenge.objects.get(pk=challenge_pk)
except Challenge.DoesNotExist:
return Response(
data={'error': f'Invalid challenge id {challenge_pk}!'},
status=400)
top_submissions = Submission.fetch_top_submissions_for_challenge(
challenge_id=challenge_pk)
return Response(
data=LimitedSubmissionSerializer(top_submissions, many=True).data)
def test_fetch_top_submissions(self):
"""
The method should return the top submissions for a given challenge,
selecting the top submission for each user
"""
""" Arrange """
f_submission = SubmissionFactory(author=self.auth_user, challenge=self.challenge, result_score=50)
# Second user with submissions
s_user = UserFactory()
SubmissionFactory(author=s_user, challenge=self.challenge) # should get ignored
top_submission = SubmissionFactory(author=s_user, challenge=self.challenge, result_score=51)
# Third user with equal to first submission
t_user = UserFactory()
tr_sub = SubmissionFactory(challenge=self.challenge, author=t_user, result_score=50)
expected_submissions = [top_submission, f_submission, tr_sub] # ordered by score, then by date (oldest first)
received_submissions = list(Submission.fetch_top_submissions_for_challenge(self.challenge.id))
self.assertEqual(expected_submissions, received_submissions)
def test_fetch_top_submissions_no_submissions_should_be_empty(self):
received_submissions = list(Submission.fetch_top_submissions_for_challenge(self.challenge.id))
self.assertEqual([], received_submissions)