django-imagekit/tests/test_cachefiles.py
2013-03-15 00:49:44 -04:00

43 lines
1.1 KiB
Python

from imagekit.cachefiles import ImageCacheFile
from nose.tools import raises
from .imagegenerators import TestSpec
from .utils import (assert_file_is_truthy, assert_file_is_falsy,
DummyAsyncCacheFileBackend, get_unique_image_file)
def test_no_source_falsiness():
"""
Ensure cache files generated from sourceless specs are falsy.
"""
spec = TestSpec(source=None)
file = ImageCacheFile(spec)
assert_file_is_falsy(file)
def test_sync_backend_truthiness():
"""
Ensure that a cachefile with a synchronous cache file backend (the default)
is truthy.
"""
spec = TestSpec(source=get_unique_image_file())
file = ImageCacheFile(spec)
assert_file_is_truthy(file)
def test_async_backend_falsiness():
"""
Ensure that a cachefile with an asynchronous cache file backend is falsy.
"""
spec = TestSpec(source=get_unique_image_file())
file = ImageCacheFile(spec, cachefile_backend=DummyAsyncCacheFileBackend())
assert_file_is_falsy(file)
@raises(TestSpec.MissingSource)
def test_no_source_error():
spec = TestSpec(source=None)
file = ImageCacheFile(spec)
file.generate()