def test_metadata_digest(self):
settings.SYNC_NEEDS_AUTHENTICATION = False
client = Client()
resource = resourceInfoType_model.objects.all()[0]
resource_uuid = resource.storage_object.identifier
expected_digest = resource.storage_object.digest_checksum
response = client.get('{0}{1}/metadata/'.format(self.SYNC_BASE, resource_uuid))
self.assertEquals(expected_digest, compute_checksum(StringIO(response.content)))
def get_full_metadata(opener, full_metadata_url, expected_digest):
'''
Obtain the full metadata record for one resource.
Returns a pair of storage_json_string, resource_xml_string.
Raises CorruptDataException if the zip data received from full_metadata_url
does not have an md5 digest identical to expected_digest.
'''
with contextlib.closing(opener.open(full_metadata_url)) as response:
data = response.read()
if not expected_digest == compute_checksum(StringIO(data)):
raise CorruptDataException("Checksum error for resource '{0}'.".format(full_metadata_url))
with ZipFile(StringIO(data), 'r') as inzip:
with inzip.open('storage-global.json') as storage_file:
# should be a json object, not string
storage_json = json.loads(storage_file.read())
with inzip.open('metadata.xml') as resource_xml:
resource_xml_string = resource_xml.read()
return storage_json, resource_xml_string
