def test_serialize_and_deserialize_dont_balk_if_time_field_absent(self):
from niprov.formatjson import JsonFormat
serializer = JsonFormat(self.dependencies)
record = {}
img1 = self.imageWithProvenance(record)
jsonrecord = serializer.serializeSingle(img1)
out = serializer.deserialize(jsonrecord)
self.assertEqual(img1.provenance, out.provenance)
def test_serialize_and_deserialize_dont_balk_if_time_field_absent(self):
from niprov.formatjson import JsonFormat
serializer = JsonFormat(self.dependencies)
record = {}
img1 = self.imageWithProvenance(record)
jsonrecord = serializer.serializeSingle(img1)
out = serializer.deserialize(jsonrecord)
self.assertEqual(img1.provenance, out.provenance)
def test_swallows_object_ids(self):
from bson.objectid import ObjectId
from niprov.formatjson import JsonFormat
serializer = JsonFormat(self.dependencies)
record = {}
record['_id'] = ObjectId('564168f2fb481f480891263c')
record['_versions'] = [{'_id':ObjectId('564168f2fb481f480891263c')}]
out = serializer.serializeList([self.imageWithProvenance(record)])
self.assertNotIn('_id', json.loads(out)[0])
self.assertNotIn('_id', json.loads(out)[0]['_versions'][0])
def test_Deals_with_versions(self):
from niprov.formatjson import JsonFormat
serializer = JsonFormat(self.dependencies)
record = {}
dtnow = datetime.now()
record['_versions'] = [{'acquired': dtnow}, {'added': dtnow}]
jsonStr = serializer.serializeSingle(self.imageWithProvenance(record))
out = serializer.deserialize(jsonStr)
self.assertEqual(out.provenance['_versions'][-1]['added'], dtnow)
self.assertEqual(out.provenance['_versions'][-2]['acquired'], dtnow)
def test_swallows_object_ids(self):
from bson.objectid import ObjectId
from niprov.formatjson import JsonFormat
serializer = JsonFormat(self.dependencies)
record = {}
record['_id'] = ObjectId('564168f2fb481f480891263c')
record['_versions'] = [{'_id': ObjectId('564168f2fb481f480891263c')}]
out = serializer.serializeList([self.imageWithProvenance(record)])
self.assertNotIn('_id', json.loads(out)[0])
self.assertNotIn('_id', json.loads(out)[0]['_versions'][0])
def test_Deals_with_versions(self):
from niprov.formatjson import JsonFormat
serializer = JsonFormat(self.dependencies)
record = {}
dtnow = datetime.now()
record['_versions'] = [{'acquired':dtnow},
{'added':dtnow}]
jsonStr = serializer.serializeSingle(self.imageWithProvenance(record))
out = serializer.deserialize(jsonStr)
self.assertEqual(out.provenance['_versions'][-1]['added'], dtnow)
self.assertEqual(out.provenance['_versions'][-2]['acquired'], dtnow)
def test_serialize_makes_args_kwargs_values_strings(self):
from niprov.formatjson import JsonFormat
class CustomType(object):
def __str__(self):
return '<CustomType object>'
serializer = JsonFormat(self.dependencies)
record = {}
ct1 = CustomType()
ct2 = CustomType()
ct3 = CustomType()
record['args'] = [1.23, ct1]
record['kwargs'] = {'one':ct2, 'two':4.56}
record['_versions'] = [{'args':[7.89, ct3]}]
out = serializer.serializeSingle(self.imageWithProvenance(record))
self.assertEqual(json.loads(out)['args'],
[1.23, str(ct1)])
self.assertEqual(json.loads(out)['kwargs'],
{'one':str(ct2), 'two':4.56})
def test_serialize_makes_args_kwargs_values_strings(self):
from niprov.formatjson import JsonFormat
class CustomType(object):
def __str__(self):
return '<CustomType object>'
serializer = JsonFormat(self.dependencies)
record = {}
ct1 = CustomType()
ct2 = CustomType()
ct3 = CustomType()
record['args'] = [1.23, ct1]
record['kwargs'] = {'one': ct2, 'two': 4.56}
record['_versions'] = [{'args': [7.89, ct3]}]
out = serializer.serializeSingle(self.imageWithProvenance(record))
self.assertEqual(json.loads(out)['args'], [1.23, str(ct1)])
self.assertEqual(
json.loads(out)['kwargs'], {
'one': str(ct2),
'two': 4.56
})
def create(self, formatName):
if formatName == 'json':
return JsonFormat(self.dependencies)
if formatName == 'xml':
return XmlFormat(self.dependencies)
if formatName == 'narrated':
return NarratedFormat()
if formatName == 'simple':
return SimpleFormat()
if formatName == 'dict':
return DictFormat()
if formatName == 'object':
return ObjectFormat()
if formatName == 'picture':
return PictureCache(self.dependencies)
raise ValueError('Unknown format: ' + str(formatName))
