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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
"""
Test cases for codeop.py
Nick Mathewson
"""
import unittest
from test.test_support import run_unittest, is_jython
from codeop import compile_command, PyCF_DONT_IMPLY_DEDENT
if is_jython:
import sys
import cStringIO
def unify_callables(d):
for n,v in d.items():
if hasattr(v, '__call__'):
d[n] = True
return d
class CodeopTests(unittest.TestCase):
def assertValid(self, str, symbol='single'):
'''succeed iff str is a valid piece of code'''
if is_jython:
code = compile_command(str, "<input>", symbol)
self.assert_(code)
if symbol == "single":
d,r = {},{}
saved_stdout = sys.stdout
sys.stdout = cStringIO.StringIO()
try:
exec(code, d)
exec(compile(str,"<input>","single"), r)
finally:
sys.stdout = saved_stdout
elif symbol == 'eval':
ctx = {'a': 2}
d = { 'value': eval(code,ctx) }
r = { 'value': eval(str,ctx) }
self.assertEquals(unify_callables(r),unify_callables(d))
else:
expected = compile(str, "<input>", symbol, PyCF_DONT_IMPLY_DEDENT)
self.assertEquals( compile_command(str, "<input>", symbol), expected)
def assertIncomplete(self, str, symbol='single'):
'''succeed iff str is the start of a valid piece of code'''
self.assertEquals( compile_command(str, symbol=symbol), None)
def assertInvalid(self, str, symbol='single', is_syntax=1):
'''succeed iff str is the start of an invalid piece of code'''
try:
compile_command(str,symbol=symbol)
self.fail("No exception thrown for invalid code")
except SyntaxError:
self.assert_(is_syntax)
except OverflowError:
self.assert_(not is_syntax)
def test_valid(self):
av = self.assertValid
# special case
if not is_jython:
self.assertEquals(compile_command(""),
compile("pass", "<input>", 'single',
PyCF_DONT_IMPLY_DEDENT))
self.assertEquals(compile_command("\n"),
compile("pass", "<input>", 'single',
PyCF_DONT_IMPLY_DEDENT))
else:
av("")
av("\n")
av("a = 1")
av("\na = 1")
av("a = 1\n")
av("a = 1\n\n")
av("\n\na = 1\n\n")
av("def x():\n pass\n")
av("if 1:\n pass\n")
av("\n\nif 1: pass\n")
av("\n\nif 1: pass\n\n")
av("def x():\n\n pass\n")
av("def x():\n pass\n \n")
av("def x():\n pass\n \n")
av("pass\n")
av("3**3\n")
av("if 9==3:\n pass\nelse:\n pass\n")
av("if 1:\n pass\n if 1:\n pass\n else:\n pass\n")
av("#a\n#b\na = 3\n")
av("#a\n\n \na=3\n")
av("a=3\n\n")
av("a = 9+ \\\n3")
av("3**3","eval")
av("(lambda z: \n z**3)","eval")
av("9+ \\\n3","eval")
av("9+ \\\n3\n","eval")
av("\n\na**3","eval")
av("\n \na**3","eval")
av("#a\n#b\na**3","eval")
def test_incomplete(self):
ai = self.assertIncomplete
ai("(a **")
ai("(a,b,")
ai("(a,b,(")
ai("(a,b,(")
ai("a = (")
ai("a = {")
ai("b + {")
ai("if 9==3:\n pass\nelse:")
ai("if 9==3:\n pass\nelse:\n")
ai("if 9==3:\n pass\nelse:\n pass")
ai("if 1:")
ai("if 1:\n")
ai("if 1:\n pass\n if 1:\n pass\n else:")
ai("if 1:\n pass\n if 1:\n pass\n else:\n")
ai("if 1:\n pass\n if 1:\n pass\n else:\n pass")
ai("def x():")
ai("def x():\n")
ai("def x():\n\n")
ai("def x():\n pass")
ai("def x():\n pass\n ")
ai("def x():\n pass\n ")
ai("\n\ndef x():\n pass")
ai("a = 9+ \\")
ai("a = 'a\\")
ai("a = '''xy")
ai("","eval")
ai("\n","eval")
ai("(","eval")
ai("(\n\n\n","eval")
ai("(9+","eval")
ai("9+ \\","eval")
ai("lambda z: \\","eval")
def test_invalid(self):
ai = self.assertInvalid
ai("a b")
ai("a @")
ai("a b @")
ai("a ** @")
ai("a = ")
ai("a = 9 +")
ai("def x():\n\npass\n")
ai("\n\n if 1: pass\n\npass")
ai("a = 9+ \\\n")
ai("a = 'a\\ ")
ai("a = 'a\\\n")
ai("a = 1","eval")
ai("a = (","eval")
ai("]","eval")
ai("())","eval")
ai("[}","eval")
ai("9+","eval")
ai("lambda z:","eval")
ai("a b","eval")
def test_filename(self):
self.assertEquals(compile_command("a = 1\n", "abc").co_filename,
compile("a = 1\n", "abc", 'single').co_filename)
self.assertNotEquals(compile_command("a = 1\n", "abc").co_filename,
compile("a = 1\n", "def", 'single').co_filename)
def test_main():
run_unittest(CodeopTests)
if __name__ == "__main__":
test_main()
|
