def testCachesClear(self):
large_image.cache_util.cache._tileCache = None
large_image.cache_util.cache._tileLock = None
config.setConfig('cache_backend', 'python')
self.ExampleWithMetaclass('test')
getTileCache()
assert cachesInfo()['test']['used'] == 1
cachesClear()
assert cachesInfo()['test']['used'] == 0
def testCachesInfo(self):
large_image.cache_util.cache._tileCache = None
large_image.cache_util.cache._tileLock = None
assert cachesInfo()['test']['used'] == 0
assert 'tileCache' not in cachesInfo()
self.ExampleWithMetaclass('test')
assert cachesInfo()['test']['used'] == 1
config.setConfig('cache_backend', 'python')
getTileCache()
assert 'tileCache' in cachesInfo()
large_image.cache_util.cache._tileCache = None
large_image.cache_util.cache._tileLock = None
config.setConfig('cache_backend', 'memcached')
getTileCache()
# memcached won't show that it is present
assert 'tileCache' not in cachesInfo()
def _tileFromHash(cls, item, x, y, z, mayRedirect=False, **kwargs):
tileCache, tileCacheLock = getTileCache()
if tileCache is None:
return None
if 'largeImage' not in item:
return None
if item['largeImage'].get('expected'):
return None
sourceName = item['largeImage']['sourceName']
try:
sourceClass = girder_tilesource.AvailableGirderTileSources[
sourceName]
except TileSourceException:
return None
classHash = sourceClass.getLRUHash(item, **kwargs)
tileHash = sourceClass.__name__ + ' ' + classHash + ' ' + strhash(
classHash) + strhash(*(x, y, z), mayRedirect=mayRedirect, **kwargs)
try:
if tileCacheLock is None:
tileData = tileCache[tileHash]
else:
with tileCacheLock:
tileData = tileCache[tileHash]
tileMime = TileOutputMimeTypes.get(kwargs.get('encoding'),
'image/jpeg')
return tileData, tileMime
except (KeyError, ValueError):
return None
def testCachesInfo(self):
cachesClear()
large_image.cache_util.cache._tileCache = None
large_image.cache_util.cache._tileLock = None
assert cachesInfo()['test']['used'] == 0
assert 'tileCache' not in cachesInfo()
self.ExampleWithMetaclass('test')
assert cachesInfo()['test']['used'] == 1
config.setConfig('cache_backend', 'python')
getTileCache()
assert 'tileCache' in cachesInfo()
large_image.cache_util.cache._tileCache = None
large_image.cache_util.cache._tileLock = None
config.setConfig('cache_backend', 'memcached')
getTileCache()
# memcached shows an items record as well
assert 'items' in cachesInfo()['tileCache']
def testGetTileCacheMemcached():
large_image.cache_util.cache._tileCache = None
large_image.cache_util.cache._tileLock = None
config.setConfig('cache_backend', 'memcached')
tileCache, tileLock = getTileCache()
assert isinstance(tileCache, MemCache)
def testGetTileCachePython():
large_image.cache_util.cache._tileCache = None
large_image.cache_util.cache._tileLock = None
config.setConfig('cache_backend', 'python')
tileCache, tileLock = getTileCache()
assert isinstance(tileCache, cachetools.LRUCache)