aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/python/jmespath/py3/tests/__init__.py
blob: 61f6687575585e8347c9c613d036cb2f77fae7a5 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
import sys
from jmespath import ast

import unittest
import json
from collections import OrderedDict


# Helper method used to create an s-expression
# of the AST to make unit test assertions easier.
# You get a nice string diff on assert failures.
def as_s_expression(node):
    parts = []
    _as_s_expression(node, parts)
    return ''.join(parts)


def _as_s_expression(node, parts):
    parts.append("(%s" % (node.__class__.__name__.lower()))
    if isinstance(node, ast.Field):
        parts.append(" %s" % node.name)
    elif isinstance(node, ast.FunctionExpression):
        parts.append(" %s" % node.name)
    elif isinstance(node, ast.KeyValPair):
        parts.append(" %s" % node.key_name)
    for child in node.children:
        parts.append(" ")
        _as_s_expression(child, parts)
    parts.append(")")