aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/python/jmespath/tests/__init__.py
blob: 7dd0ef61bd5a3d1a8637a34565d050b0876347f7 (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
32
33
34
35
36
37
38
39
40
import sys 
from jmespath import ast 
 
 
# The unittest module got a significant overhaul 
# in 2.7, so if we're in 2.6 we can use the backported 
# version unittest2. 
if sys.version_info[:2] == (2, 6): 
    import unittest2 as unittest 
    import simplejson as json 
    from ordereddict import OrderedDict 
else: 
    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(")")