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Test that errors are raised for nonexistent files

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Currently failing.
This commit is contained in:
Matthew Dapena-Tretter 2014-10-01 08:58:30 -04:00
parent 94255855db
commit de1c1d5e1b
1 changed files with 37 additions and 2 deletions
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39
tests/test_cachefiles.py
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@ -1,9 +1,10 @@
from django.conf import settings
from hashlib import md5
from imagekit.cachefiles import ImageCacheFile, LazyImageCacheFile
from imagekit.cachefiles.backends import Simple
from imagekit.cachefiles.backends import Simple, CacheFileState
from imagekit.lib import force_bytes
from nose.tools import raises, eq_
from mock import Mock, patch
from nose.tools import raises, eq_, assert_raises
from .imagegenerators import TestSpec
from .utils import (assert_file_is_truthy, assert_file_is_falsy,
DummyAsyncCacheFileBackend, get_unique_image_file,
@ -87,3 +88,37 @@ def test_lazyfile_stringification():
file.name = 'a.jpg'
eq_(str(file), 'a.jpg')
eq_(repr(file), '<ImageCacheFile: a.jpg>')
def test_error_on_dne():
"""
Trying to access one of the fields that requires the image should error if
the image does not exist.
"""
file = LazyImageCacheFile('testspec', source=get_image_file())
get_state_mock = Mock(return_value=CacheFileState.DOES_NOT_EXIST)
noop = Mock()
with patch.object(file.cachefile_backend, 'get_state', get_state_mock):
with patch.object(file.cachefile_backend, 'generate', noop):
with assert_raises(Exception): # TODO: Use more specific type
file.url
with assert_raises(Exception): # TODO: Use more specific type
file.width
def test_error_when_generating():
"""
Trying to access one of the fields that requires the image should error if
the image is being generated.
"""
file = LazyImageCacheFile('testspec', source=get_image_file())
get_state_mock = Mock(return_value=CacheFileState.GENERATING)
noop = Mock()
with patch.object(file.cachefile_backend, 'get_state', get_state_mock):
with patch.object(file.cachefile_backend, 'generate', noop):
with assert_raises(Exception): # TODO: Use more specific type
file.url
with assert_raises(Exception): # TODO: Use more specific type
file.width