293 lines
11 KiB
Python
293 lines
11 KiB
Python
import os
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import unittest
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from io import BytesIO
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from unittest.mock import patch
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from django import VERSION
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from django.conf import settings
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from django.core.files.base import ContentFile
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from django.core.files.storage import default_storage
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from ..models import PHOTOLOGUE_CACHEDIRTAG, PHOTOLOGUE_DIR, Image, Photo
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from .factories import (LANDSCAPE_IMAGE_PATH, NONSENSE_IMAGE_PATH, QUOTING_IMAGE_PATH, UNICODE_IMAGE_PATH,
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GalleryFactory, PhotoEffectFactory, PhotoFactory)
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from .helpers import PhotologueBaseTest
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class PhotoTest(PhotologueBaseTest):
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def tearDown(self):
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"""Delete any extra test files (if created)."""
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super().tearDown()
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try:
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self.pl2.delete()
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except:
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pass
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def test_new_photo(self):
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self.assertEqual(Photo.objects.count(), 1)
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self.assertTrue(self.pl.image.storage.exists(self.pl.image.name))
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self.assertEqual(self.pl.image.storage.size(self.pl.image.name),
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os.path.getsize(LANDSCAPE_IMAGE_PATH))
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# def test_exif(self):
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# self.assertTrue(len(self.pl.EXIF.keys()) > 0)
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def test_paths(self):
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self.assertEqual(os.path.normpath(str(self.pl.cache_path())).lower(),
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os.path.normpath(os.path.join(PHOTOLOGUE_DIR,
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'photos',
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'cache')).lower())
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self.assertEqual(self.pl.cache_url(),
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settings.MEDIA_URL + PHOTOLOGUE_DIR + '/photos/cache')
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def test_cachedir_tag(self):
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self.assertTrue(default_storage.exists(PHOTOLOGUE_CACHEDIRTAG))
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content = default_storage.open(PHOTOLOGUE_CACHEDIRTAG).read()
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self.assertEqual(content, b"Signature: 8a477f597d28d172789f06886806bc55")
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def test_count(self):
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for i in range(5):
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self.pl.get_testPhotoSize_url()
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self.assertEqual(self.pl.view_count, 0)
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self.s.increment_count = True
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self.s.save()
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for i in range(5):
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self.pl.get_testPhotoSize_url()
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self.assertEqual(self.pl.view_count, 5)
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def test_precache(self):
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# set the thumbnail photo size to pre-cache
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self.s.pre_cache = True
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self.s.save()
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# make sure it created the file
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self.assertTrue(self.pl.image.storage.exists(
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self.pl.get_testPhotoSize_filename()))
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self.s.pre_cache = False
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self.s.save()
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# clear the cache and make sure the file's deleted
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self.pl.clear_cache()
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self.assertFalse(self.pl.image.storage.exists(
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self.pl.get_testPhotoSize_filename()))
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def test_accessor_methods(self):
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self.assertEqual(self.pl.get_testPhotoSize_photosize(), self.s)
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self.assertEqual(self.pl.get_testPhotoSize_size(),
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Image.open(self.pl.image.storage.open(
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self.pl.get_testPhotoSize_filename())).size)
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self.assertEqual(self.pl.get_testPhotoSize_url(),
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self.pl.cache_url() + '/' + self.pl._get_filename_for_size(self.s))
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self.assertEqual(self.pl.get_testPhotoSize_filename(),
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os.path.join(self.pl.cache_path(),
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self.pl._get_filename_for_size(self.s)))
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def test_quoted_url(self):
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"""Test for issue #29 - filenames of photos are incorrectly quoted when
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building a URL."""
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# Create a Photo with a name that needs quoting.
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self.pl2 = PhotoFactory(image__from_path=QUOTING_IMAGE_PATH)
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# Quoting method filepath_to_uri has changed in Django 1.9 - so the string that we're looking
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# for depends on the Django version.
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if VERSION[0] == 1 and VERSION[1] <= 8:
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quoted_string = 'test_photologue_%26quoting_testPhotoSize.jpg'
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else:
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quoted_string = 'test_photologue_quoting_testPhotoSize.jpg'
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self.assertIn(quoted_string,
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self.pl2.get_testPhotoSize_url(),
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self.pl2.get_testPhotoSize_url())
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def test_unicode(self):
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"""Trivial check that unicode titles work.
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(I was trying to track down an elusive unicode issue elsewhere)"""
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self.pl2 = PhotoFactory(title='É',
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slug='é')
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@patch('photologue.models.ImageModel.resize_image')
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def test_update_crop_applied(self, mock_resize_image):
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self.assertEqual(1, Photo.objects.count())
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self.assertTrue(self.pl.crop_from != 'right')
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self.pl.crop_from = 'right'
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self.pl.save()
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self.assertTrue(mock_resize_image.called)
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@patch('photologue.models.ImageModel.resize_image')
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@patch('photologue.models.PhotoEffect.pre_process')
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@patch('photologue.models.PhotoEffect.post_process')
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def test_update_effect_applied(self, mock_post_process, mock_pre_process, mock_resize_image):
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self.assertEqual(1, Photo.objects.count())
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self.assertIsNone(self.pl.effect)
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self.pl.effect = PhotoEffectFactory()
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self.pl.save()
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self.assertTrue(mock_pre_process.called)
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self.assertTrue(mock_resize_image.called)
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self.assertTrue(mock_post_process.called)
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class PhotoManagerTest(PhotologueBaseTest):
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"""Some tests for the methods on the Photo manager class."""
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def setUp(self):
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"""Create 2 photos."""
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super().setUp()
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self.pl2 = PhotoFactory()
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def tearDown(self):
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super().tearDown()
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self.pl2.delete()
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def test_public(self):
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"""Method 'is_public' should only return photos flagged as public."""
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self.assertEqual(Photo.objects.is_public().count(), 2)
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self.pl.is_public = False
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self.pl.save()
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self.assertEqual(Photo.objects.is_public().count(), 1)
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class PreviousNextTest(PhotologueBaseTest):
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"""Tests for the methods that provide the previous/next photos in a gallery."""
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def setUp(self):
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"""Create a test gallery with 2 photos."""
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super().setUp()
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self.test_gallery = GalleryFactory()
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self.pl1 = PhotoFactory()
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self.pl2 = PhotoFactory()
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self.pl3 = PhotoFactory()
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self.test_gallery.photos.add(self.pl1)
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self.test_gallery.photos.add(self.pl2)
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self.test_gallery.photos.add(self.pl3)
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def tearDown(self):
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super().tearDown()
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self.pl1.delete()
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self.pl2.delete()
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self.pl3.delete()
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def test_previous_simple(self):
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# Previous in gallery.
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self.assertEqual(self.pl1.get_previous_in_gallery(self.test_gallery),
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None)
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self.assertEqual(self.pl2.get_previous_in_gallery(self.test_gallery),
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self.pl1)
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self.assertEqual(self.pl3.get_previous_in_gallery(self.test_gallery),
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self.pl2)
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def test_previous_public(self):
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"""What happens if one of the photos is not public."""
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self.pl2.is_public = False
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self.pl2.save()
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self.assertEqual(self.pl1.get_previous_in_gallery(self.test_gallery),
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None)
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self.assertRaisesMessage(ValueError,
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'Cannot determine neighbours of a non-public photo.',
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self.pl2.get_previous_in_gallery,
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self.test_gallery)
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self.assertEqual(self.pl3.get_previous_in_gallery(self.test_gallery),
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self.pl1)
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def test_previous_gallery_mismatch(self):
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"""Photo does not belong to the gallery."""
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self.pl4 = PhotoFactory()
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self.assertRaisesMessage(ValueError,
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'Photo does not belong to gallery.',
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self.pl4.get_previous_in_gallery,
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self.test_gallery)
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self.pl4.delete()
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def test_next_simple(self):
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# Next in gallery.
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self.assertEqual(self.pl1.get_next_in_gallery(self.test_gallery),
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self.pl2)
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self.assertEqual(self.pl2.get_next_in_gallery(self.test_gallery),
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self.pl3)
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self.assertEqual(self.pl3.get_next_in_gallery(self.test_gallery),
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None)
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def test_next_public(self):
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"""What happens if one of the photos is not public."""
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self.pl2.is_public = False
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self.pl2.save()
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self.assertEqual(self.pl1.get_next_in_gallery(self.test_gallery),
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self.pl3)
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self.assertRaisesMessage(ValueError,
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'Cannot determine neighbours of a non-public photo.',
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self.pl2.get_next_in_gallery,
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self.test_gallery)
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self.assertEqual(self.pl3.get_next_in_gallery(self.test_gallery),
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None)
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def test_next_gallery_mismatch(self):
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"""Photo does not belong to the gallery."""
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self.pl4 = PhotoFactory()
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self.assertRaisesMessage(ValueError,
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'Photo does not belong to gallery.',
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self.pl4.get_next_in_gallery,
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self.test_gallery)
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self.pl4.delete()
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class ImageModelTest(PhotologueBaseTest):
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def setUp(self):
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super().setUp()
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# Unicode image has unicode in the path
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# self.pu = TestPhoto(name='portrait')
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self.pu = PhotoFactory()
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self.pu.image.save(os.path.basename(UNICODE_IMAGE_PATH),
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ContentFile(open(UNICODE_IMAGE_PATH, 'rb').read()))
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# Nonsense image contains nonsense
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# self.pn = TestPhoto(name='portrait')
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self.pn = PhotoFactory()
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self.pn.image.save(os.path.basename(NONSENSE_IMAGE_PATH),
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ContentFile(open(NONSENSE_IMAGE_PATH, 'rb').read()))
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def tearDown(self):
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super().tearDown()
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self.pu.delete()
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self.pn.delete()
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@unittest.skipUnless(os.path.exists(UNICODE_IMAGE_PATH),
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'Test relies on a file with a non-ascii filename - this cannot be distributed as it breaks '
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'under Python 2.7, so the distribution does not include that test file.')
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def test_create_size(self):
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"""Nonsense image must not break scaling"""
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self.pn.create_size(self.s)
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def raw_image(mode='RGB', fmt='JPEG'):
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"""Create raw image.
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"""
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data = BytesIO()
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Image.new(mode, (100, 100)).save(data, fmt)
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data.seek(0)
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return data
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class ImageTransparencyTest(PhotologueBaseTest):
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def setUp(self):
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super().setUp()
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self.png = PhotoFactory()
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self.png.image.save(
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'trans.png', ContentFile(raw_image('RGBA', 'PNG').read()))
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def tearDown(self):
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super().tearDown()
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self.png.clear_cache()
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os.unlink(os.path.join(settings.MEDIA_ROOT, self.png.image.path))
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def test_create_size_png_keep_alpha_channel(self):
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thumbnail = self.png.get_thumbnail_filename()
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im = Image.open(
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os.path.join(settings.MEDIA_ROOT, thumbnail))
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self.assertEqual('RGBA', im.mode)
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