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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.
import unittest
from cStringIO import StringIO
from .. import parser
# There aren't many tests here because it turns out to be way more convenient to
# use test_serializer for the majority of cases
class TestExpression(unittest.TestCase):
def setUp(self):
self.parser = parser.Parser()
def parse(self, input_str):
return self.parser.parse(StringIO(input_str))
def compare(self, input_text, expected):
actual = self.parse(input_text)
self.match(expected, actual)
def match(self, expected_node, actual_node):
self.assertEquals(expected_node[0], actual_node.__class__.__name__)
self.assertEquals(expected_node[1], actual_node.data)
self.assertEquals(len(expected_node[2]), len(actual_node.children))
for expected_child, actual_child in zip(expected_node[2], actual_node.children):
self.match(expected_child, actual_child)
def test_expr_0(self):
self.compare(
"""
key:
if x == 1 : value""",
["DataNode", None,
[["KeyValueNode", "key",
[["ConditionalNode", None,
[["BinaryExpressionNode", None,
[["BinaryOperatorNode", "==", []],
["VariableNode", "x", []],
["NumberNode", "1", []]
]],
["ValueNode", "value", []],
]]]]]]
)
def test_expr_1(self):
self.compare(
"""
key:
if not x and y : value""",
["DataNode", None,
[["KeyValueNode", "key",
[["ConditionalNode", None,
[["BinaryExpressionNode", None,
[["BinaryOperatorNode", "and", []],
["UnaryExpressionNode", None,
[["UnaryOperatorNode", "not", []],
["VariableNode", "x", []]
]],
["VariableNode", "y", []]
]],
["ValueNode", "value", []],
]]]]]]
)
def test_atom_0(self):
with self.assertRaises(parser.ParseError):
self.parse("key: @Unknown")
def test_atom_1(self):
with self.assertRaises(parser.ParseError):
self.parse("key: @true")
if __name__ == "__main__":
unittest.main()
|
