def select_elements(self, json_string, expr):
"""
Возвращает список элементов из _json_string_, соответствующих [ http://jsonselect.org/ | JSONSelect] выражению.
*Args:*\n
_json_string_ - json-строка;\n
_expr_ - JSONSelect выражение;
*Return:*\n
Список найденных элементов. Если элементы не найдены, то ``None``
*Example:*\n
| *Settings* | *Value* |
| Library | JsonValidator |
| Library | OperatingSystem |
| *Test Cases* | *Action* | *Argument* | *Argument* |
| Select json elements | ${json_example}= | OperatingSystem.Get File | ${CURDIR}${/}json_example.json |
| | ${json_elements}= | Select elements | ${json_example} | .author:contains("Evelyn Waugh")~.price |
=>\n
| 12.99
"""
load_input_json = self.string_to_json(json_string)
# парсинг jsonselect
jsonselect.Parser(load_input_json)
values = jsonselect.select(expr, load_input_json)
return values
def _test(self=None):
parser = jsonselect.Parser(input)
try:
if output[0][:5] == 'Error':
self.assertRaises(jsonselect.SelectorSyntaxError, parser.parse,
(selector, ))
return
except (IndexError, TypeError, KeyError):
pass
selection = parser.parse(selector)
msg = "%s" % selector
msg += "\n%s\n!=\n%s" % (selection, output)
log.debug('creating %s("%s")' % (_test.__name__, selector))
if all((hasattr(i, '__iter__') for i in (selection, output))):
self.assertItemsEqual(selection, output, msg=msg)
else:
self.assertEqual(selection, output, msg=msg)
def setUp(self):
self.parser = jsonselect.Parser({})
def setUp(self):
self.obj = {'hello': 'world', 'foo': [1, 2, 3], 'bar': {'x': 'y'}}
self.parser = jsonselect.Parser(self.obj)