def test_to_python_returns_jsonstring_instance_from_string(self):
jf = fields.JSONField()
py_object = jf.to_python('"hello"')
self.assertEqual(py_object.json_string, '"hello"')
self.assertEqual(unicode(py_object), '"hello"')
def test_get_prep_value_with_json_object_type(self):
jf = fields.JSONField()
raw = '{"Get": "Prep!"}'
prep_value = jf.get_prep_value(fields.JSON(raw))
self.assertEqual(prep_value, raw)
def test_to_python_returns_jsonlist_instance_from_json_list_object(self):
jf = fields.JSONField()
json_string = '["hello", "hauraki"]'
py_object = jf.to_python(json_string)
self.assertEqual(py_object.json_string, json_string)
self.assertEqual(py_object[1], 'hauraki')
def test_to_python_returns_jsondict_instance_from_json_string_object(self):
jf = fields.JSONField()
json_string = '{"hello": "hauraki"}'
py_object = jf.to_python(json_string)
self.assertEqual(py_object.json_string, json_string)
self.assertEqual(py_object['hello'], 'hauraki')
def test_db_type_is_text_for_sqlite_database(self):
jf = fields.JSONField()
connection = type(
'', (), {
'settings_dict': dict(ENGINE='django.db.backends.sqlite3'),
'vendor': 'sqlite'
})
field_type = jf.db_type(connection)
self.assertEqual(field_type, 'text')
def test_db_type_is_json_for_postgres_database(self):
jf = fields.JSONField()
connection = type(
'', (), {
'settings_dict':
dict(ENGINE='django.db.backends.postgresql_psycopg2'),
'vendor':
'postgresql',
'pg_version':
90201
})
field_type = jf.db_type(connection)
self.assertEqual(field_type, 'json')
def test_get_prep_value_with_json_string_type(self):
jf = fields.JSONField()
prep_value = jf.get_prep_value(fields.JSON('"Get Prep!"'))
self.assertEqual(prep_value, '"Get Prep!"')
def test_get_prep_value_with_none_type(self):
jf = fields.JSONField()
prep_value = jf.get_prep_value(None)
self.assertEqual(prep_value, None)
def test_to_python_handles_none_as_type(self):
jf = fields.JSONField()
py_object = jf.to_python(None)
self.assertEqual(py_object, None)