def test_parameters(self):
json = """
{ "types": [
{ "type": "A",
"parameters": {
"s": "string",
"d": "datetime",
"i": "integer"
}
}
],
"objects": [
{ "type": "A",
"parameters": {
"s": "string",
"d": "2012-02-10T20:00:00",
"i": 12
} },
{ "type": "A" },
{ "type": "A" }
],
"relations": []
}"""
jio = JsonIO(self.mapper, add_new_types=True)
objs = jio.read_string(json)
self.assertEqual(len(objs), 3)
self.assertEqual(objs[0].params["s"], "string")
self.assertEqual(objs[0].params["d"], datetime.datetime(2012, 2, 10, 20, 0, 0))
self.assertEqual(objs[0].params["i"], 12)
def test_parameters_as_dict(self):
json = { "types": [
{ "type": "A",
"parameters": {
"s": "string",
"d": "datetime"
}
}
],
"objects": [
{ "type": "A",
"parameters": {
"s": "string",
"d": "2012-02-10T20:00:00"
} },
{ "type": "A",
"parameters": {
"d": datetime.datetime(2012, 2, 10, 20, 0, 0)
}},
{ "type": "A" }
],
"relations": []
}
jio = JsonIO(self.mapper, add_new_types=True)
objs = jio.read_json(json)
self.assertEqual(len(objs), 3)
self.assertEqual(objs[0].params["s"], "string")
self.assertEqual(objs[0].params["d"], datetime.datetime(2012, 2, 10, 20, 0, 0))
def test_simple_import(self):
json = """
{ "types": [{"type": "A"}, {"type": "B"}],
"objects": [{"type": "A"}, {"type": "A"}, {"type": "A"}, {"type": "B"}],
"relations": []
}"""
jio = JsonIO(self.mapper, add_new_types=True)
objs = jio.read_string(json)
self.assertEqual(len(objs), 4)
def test_null_import(self):
json = """
{ "types": [],
"objects": [],
"relations": []
}"""
jio = JsonIO(self.mapper)
objs = jio.read_string(json)
self.assertEqual(len(objs), 0)
def test_children(self):
json = {
"types": [{ "type": "A", "parameters": { "s": "string" } }],
"objects": [
{ "type": "A",
"id": 1,
"parameters": { "s": "parent1" }
},
{ "type": "A",
"parameters": { "s": "parent2" },
"children": [
{ "type": "A",
"parameters": { "s": "child21" }
},
{ "type": "A",
"parameters": { "s": "child22" }
},
]
},
{ "type": "A",
"id": 2,
"parameters": { "s": "child11" }
}
],
"relations": [
{
"relation": "child",
"from": "id:2",
"to": "id:1"
}
]
}
jio = JsonIO(self.mapper, add_new_types=True)
objs = jio.read_json(json)
self.assertEqual(len(objs), 5)
roots = self.mapper.find_roots()
self.assertEqual(set([roots[0].params["s"], roots[1].params["s"]]), set(["parent1", "parent2"]))
def test_data_export(self):
class SomeEntity(Entity):
declared_params = {"some_value": "string"}
obj = SomeEntity()
self.mapper.register(SomeEntity)
self.mapper.save(obj)
data_to_save = [("some key", "ABCDE", None),
("some other key", "ABCDEFGHIJ", "text")]
for (key, value, mimetype) in data_to_save:
obj.data[key].put(value)
if mimetype:
obj.data[key].mimetype = mimetype
# we create a named temporary file and just hope
# there is no conflict with the autodetected folder name
tmp_name = tempfile.mktemp()
jio = JsonIO(self.mapper, add_new_types=True)
jio.write_file(self.mapper.find_roots(), tmp_name)
# check that file has been written:
for (data_key, data_value, data_mimetype) in data_to_save:
data_file = os.path.join(tmp_name + ".data", obj.unique_id, data_key)
with open(data_file) as df:
self.assertEqual(df.read(), data_value)
with open(tmp_name) as tmp_file:
json_obj = json.load(tmp_file)
#print json_obj
jio_2 = JsonIO(self.mapper)
self.assertRaises(IntegrityError, jio_2.read_file, tmp_name)
self.mapper.delete(*self.mapper.find_roots())
jio_2 = JsonIO(self.mapper)
jio_2.read_file(tmp_name)
obj_in_db = self.mapper.find_first(SomeEntity)
for (data_key, data_value, data_mimetype) in data_to_save:
self.assertEqual(obj_in_db.data[data_key].get_string(), data_value)
self.assertEqual(obj_in_db.data[data_key].mimetype, data_mimetype)
from xdapy import Connection, Mapper, Entity
from xdapy.io import JsonIO
connection = Connection.profile("demo") # use standard profile
connection.create_tables()
#connection.engine.echo = True
m = Mapper(connection)
# We create a new JSON importer.
# add_new_types = True so all defined and declared objects are imported
jio = JsonIO(m, add_new_types=True)
jio.ignore_unknown_attributes = True
with open("demo/detection.json") as f:
objs = jio.read_file(f)
for cls in m.registered_entities:
print """class {name}(EntityObject):\n parameter_types = {types!r}\n""".format(name=cls.__original_class_name__, types=cls.declared_params)
print len(objs), "objects"
print jio.write_string(objs)