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https://github.com/Hopiu/django-imagekit.git
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49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
from nose.tools import assert_true, assert_false
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from imagekit.cachefiles import ImageCacheFile
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from mock import Mock
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from .utils import create_image
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from django.core.files.storage import FileSystemStorage
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from imagekit.cachefiles.backends import Simple as SimpleCFBackend
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from imagekit.cachefiles.strategies import Optimistic as OptimisticStrategy
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class ImageGenerator(object):
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def generate(self):
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return create_image()
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def get_hash(self):
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return 'abc123'
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def get_image_cache_file():
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storage = Mock(FileSystemStorage)
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backend = SimpleCFBackend()
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strategy = OptimisticStrategy()
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generator = ImageGenerator()
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return ImageCacheFile(generator, storage=storage,
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cachefile_backend=backend,
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cachefile_strategy=strategy)
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def test_no_io_on_bool():
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"""
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When checking the truthiness of an ImageCacheFile, the storage shouldn't
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peform IO operations.
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"""
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file = get_image_cache_file()
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bool(file)
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assert_false(file.storage.exists.called)
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assert_false(file.storage.open.called)
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def test_no_io_on_url():
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"""
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When getting the URL of an ImageCacheFile, the storage shouldn't be
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checked.
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"""
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file = get_image_cache_file()
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file.url
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assert_false(file.storage.exists.called)
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assert_false(file.storage.open.called)
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