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annotate user_photos/tests/test_forms.py @ 973:6f55c086db1e

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Guess file extension based on content-type. When downloading a file, and no path is supplied to store it, guess the file extension using mimetypes and the content-type header. Also supply a unit test for the HotLinkImageForm.
author Brian Neal <bgneal@gmail.com>
date Thu, 01 Oct 2015 19:44:45 -0500
parents 7138883966b3
children f5aa74dcdd7a
rev   line source
bgneal@973 1 """
bgneal@973 2 Tests for the forms in the user_photos application.
bgneal@973 3 """
bgneal@973 4
bgneal@973 5 import mock
bgneal@973 6 from django import forms
bgneal@973 7 from django.conf import settings
bgneal@973 8 from django.contrib.auth.models import User
bgneal@973 9 from django.test import TestCase
bgneal@973 10
bgneal@973 11 from user_photos.forms import HotLinkImageForm
bgneal@973 12
bgneal@973 13
bgneal@973 14 class HotLinkImageFormTestCase(TestCase):
bgneal@973 15
bgneal@973 16 def setUp(self):
bgneal@973 17 self.username = 'test_user'
bgneal@973 18 self.pw = 'password'
bgneal@973 19 self.user = User.objects.create_user(self.username, '', self.pw)
bgneal@973 20 self.user.save()
bgneal@973 21 self.client.login(username=self.username, password=self.pw)
bgneal@973 22
bgneal@973 23 @mock.patch('user_photos.forms.rate_limit_user')
bgneal@973 24 def test_no_url(self, rate_limit_mock):
bgneal@973 25 args = {}
bgneal@973 26 form = HotLinkImageForm(args, user=self.user)
bgneal@973 27 self.assertFalse(form.is_valid())
bgneal@973 28
bgneal@973 29 @mock.patch('user_photos.forms.rate_limit_user')
bgneal@973 30 def test_bad_url(self, rate_limit_mock):
bgneal@973 31 args = {'url': 'jkdal;jkkls;$JSx49'}
bgneal@973 32 form = HotLinkImageForm(args, user=self.user)
bgneal@973 33 self.assertFalse(form.is_valid())
bgneal@973 34
bgneal@973 35 @mock.patch('user_photos.forms.rate_limit_user')
bgneal@973 36 def test_rate_limit(self, rate_limit_mock):
bgneal@973 37 rate_limit_mock.side_effect = forms.ValidationError("Rate limit exceeded")
bgneal@973 38 args = {'url': 'http://example.com/a.jpg'}
bgneal@973 39 form = HotLinkImageForm(args, user=self.user)
bgneal@973 40 self.assertFalse(form.is_valid())
bgneal@973 41
bgneal@973 42 @mock.patch('user_photos.forms.rate_limit_user')
bgneal@973 43 @mock.patch('user_photos.forms.download_file')
bgneal@973 44 @mock.patch('user_photos.forms.S3Bucket')
bgneal@973 45 @mock.patch('user_photos.forms.upload')
bgneal@973 46 def test_white_listed_url(self, upload_mock, bucket_mock, dl_mock, rate_limit_mock):
bgneal@973 47 url = 'https://{}/a.jpg'.format(settings.USER_IMAGES_SOURCES[0])
bgneal@973 48 args = {'url': url}
bgneal@973 49 form = HotLinkImageForm(args, user=self.user)
bgneal@973 50 self.assertTrue(form.is_valid())
bgneal@973 51 result = form.save()
bgneal@973 52 self.assertEqual(result, url)
bgneal@973 53 self.assertFalse(dl_mock.called)
bgneal@973 54 self.assertFalse(bucket_mock.called)
bgneal@973 55 self.assertFalse(upload_mock.called)
bgneal@973 56
bgneal@973 57 @mock.patch('user_photos.forms.rate_limit_user')
bgneal@973 58 @mock.patch('user_photos.forms.download_file')
bgneal@973 59 @mock.patch('user_photos.forms.S3Bucket')
bgneal@973 60 @mock.patch('user_photos.forms.upload')
bgneal@973 61 def test_happy_path(self, upload_mock, bucket_mock, dl_mock, rate_limit_mock):
bgneal@973 62 url = 'http://example.com/a.jpg'
bgneal@973 63 args = {'url': url}
bgneal@973 64 form = HotLinkImageForm(args, user=self.user)
bgneal@973 65 self.assertTrue(form.is_valid())
bgneal@973 66 new_url = 'https://img.example.com/a.jpg'
bgneal@973 67 upload_mock.return_value = (new_url, None)
bgneal@973 68 result = form.save()
bgneal@973 69 dl_mock.assert_called_once_with(url)
bgneal@973 70 self.assertEqual(result, new_url)
bgneal@973 71