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from __future__ import unicode_literals, print_function, absolute_import, division, generators, nested_scopes
import unittest
from jsonpath_rw.lexer import JsonPathLexer
from jsonpath_rw.parser import JsonPathParser
from jsonpath_rw.jsonpath import *
class TestParser(unittest.TestCase):
# TODO: This will be much more effective with a few regression tests and `arbitrary` parse . pretty testing
@classmethod
def setup_class(cls):
logging.basicConfig()
def check_parse_cases(self, test_cases):
parser = JsonPathParser(debug=True, lexer_class=lambda:JsonPathLexer(debug=False)) # Note that just manually passing token streams avoids this dep, but that sucks
for string, parsed in test_cases:
print(string, '=?=', parsed) # pytest captures this and we see it only on a failure, for debugging
assert parser.parse(string) == parsed
def test_atomic(self):
self.check_parse_cases([('foo', Fields('foo')),
('*', Fields('*')),
('baz,bizzle', Fields('baz','bizzle')),
('[1]', Index(1)),
('[1:]', Slice(start=1)),
('[:]', Slice()),
('[*]', Slice()),
('[:2]', Slice(end=2)),
('[1:2]', Slice(start=1, end=2)),
('[5:-2]', Slice(start=5, end=-2))
])
def test_nested(self):
self.check_parse_cases([('foo.baz', Child(Fields('foo'), Fields('baz'))),
('foo.baz,bizzle', Child(Fields('foo'), Fields('baz', 'bizzle'))),
('foo where baz', Where(Fields('foo'), Fields('baz'))),
('foo..baz', Descendants(Fields('foo'), Fields('baz'))),
('foo..baz.bing', Descendants(Fields('foo'), Child(Fields('baz'), Fields('bing'))))])
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