forked from bpython/bpython
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathtest_interpreter.py
More file actions
243 lines (187 loc) · 8.32 KB
/
test_interpreter.py
File metadata and controls
243 lines (187 loc) · 8.32 KB
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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import sys
import re
from textwrap import dedent
from curtsies.fmtfuncs import bold, green, magenta, cyan, red, plain
from bpython.curtsiesfrontend import interpreter
from bpython._py3compat import py3
from bpython.test import mock, unittest
pypy = 'PyPy' in sys.version
def remove_ansi(s):
return re.sub(r'(\x9B|\x1B\[)[0-?]*[ -\/]*[@-~]'.encode('ascii'), b'', s)
class TestInterpreter(unittest.TestCase):
def interp_errlog(self):
i = interpreter.Interp()
a = []
i.write = a.append
return i, a
def err_lineno(self, a):
strings = [x.__unicode__() for x in a]
for line in reversed(strings):
clean_line = remove_ansi(line)
m = re.search(r'line (\d+)[,]', clean_line)
if m:
return int(m.group(1))
return None
def test_syntaxerror(self):
i, a = self.interp_errlog()
i.runsource('1.1.1.1')
if pypy:
expected = (
' File ' + green('"<input>"') +
', line ' + bold(magenta('1')) + '\n 1.1.1.1\n ^\n' +
bold(red('SyntaxError')) + ': ' + cyan('invalid syntax') +
'\n')
else:
expected = (
' File ' + green('"<input>"') +
', line ' + bold(magenta('1')) + '\n 1.1.1.1\n ^\n' +
bold(red('SyntaxError')) + ': ' + cyan('invalid syntax') +
'\n')
self.assertMultiLineEqual(str(plain('').join(a)), str(expected))
self.assertEqual(plain('').join(a), expected)
def test_traceback(self):
i, a = self.interp_errlog()
def f():
return 1 / 0
def gfunc():
return f()
i.runsource('gfunc()')
if pypy and not py3:
global_not_found = "global name 'gfunc' is not defined"
else:
global_not_found = "name 'gfunc' is not defined"
expected = (
'Traceback (most recent call last):\n File ' +
green('"<input>"') + ', line ' +
bold(magenta('1')) + ', in ' + cyan('<module>') + '\n gfunc()\n' +
bold(red('NameError')) + ': ' + cyan(global_not_found) + '\n')
self.assertMultiLineEqual(str(plain('').join(a)), str(expected))
self.assertEqual(plain('').join(a), expected)
@unittest.skipIf(py3, "runsource() accepts only unicode in Python 3")
def test_runsource_bytes(self):
i = interpreter.Interp(encoding=b'latin-1')
i.runsource("a = b'\xfe'".encode('latin-1'), encode=False)
self.assertIsInstance(i.locals['a'], str)
self.assertEqual(i.locals['a'], b"\xfe")
i.runsource("b = u'\xfe'".encode('latin-1'), encode=False)
self.assertIsInstance(i.locals['b'], unicode)
self.assertEqual(i.locals['b'], "\xfe")
@unittest.skipUnless(py3, "Only a syntax error in Python 3")
def test_runsource_bytes_over_128_syntax_error_py3(self):
i = interpreter.Interp(encoding=b'latin-1')
i.showsyntaxerror = mock.Mock(return_value=None)
i.runsource("a = b'\xfe'")
i.showsyntaxerror.assert_called_with(mock.ANY)
@unittest.skipIf(py3, "encode is Python 2 only")
def test_runsource_bytes_over_128_syntax_error_py2(self):
i = interpreter.Interp(encoding=b'latin-1')
i.runsource(b"a = b'\xfe'")
self.assertIsInstance(i.locals['a'], type(b''))
self.assertEqual(i.locals['a'], b"\xfe")
@unittest.skipIf(py3, "encode is Python 2 only")
def test_runsource_unicode(self):
i = interpreter.Interp(encoding=b'latin-1')
i.runsource("a = u'\xfe'")
self.assertIsInstance(i.locals['a'], type(u''))
self.assertEqual(i.locals['a'], u"\xfe")
def test_getsource_works_on_interactively_defined_functions(self):
source = 'def foo(x):\n return x + 1\n'
i = interpreter.Interp()
i.runsource(source)
import inspect
inspected_source = inspect.getsource(i.locals['foo'])
self.assertEqual(inspected_source, source)
@unittest.skipIf(py3, "encode only does anything in Python 2")
def test_runsource_unicode_autoencode_and_noencode(self):
"""error line numbers should be fixed"""
# Since correct behavior for unicode is the same
# for auto and False, run the same tests
for encode in ['auto', False]:
i, a = self.interp_errlog()
i.runsource(u'[1 + 1,\nabcd]', encode=encode)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(u'[1 + 1,\nabcd]', encode=encode)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(u'#encoding: utf-8\nabcd', encode=encode)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(u'#encoding: utf-8\nabcd',
filename='x.py', encode=encode)
self.assertIn('SyntaxError:',
''.join(''.join(remove_ansi(x.__unicode__())
for x in a)))
@unittest.skipIf(py3, "encode only does anything in Python 2")
def test_runsource_unicode_encode(self):
i, _ = self.interp_errlog()
with self.assertRaises(ValueError):
i.runsource(u'1 + 1', encode=True)
i, _ = self.interp_errlog()
with self.assertRaises(ValueError):
i.runsource(u'1 + 1', filename='x.py', encode=True)
@unittest.skipIf(py3, "encode only does anything in Python 2")
def test_runsource_bytestring_noencode(self):
i, a = self.interp_errlog()
i.runsource(b'[1 + 1,\nabcd]', encode=False)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(b'[1 + 1,\nabcd]', filename='x.py', encode=False)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(dedent(b'''\
#encoding: utf-8
["%s",
abcd]''' % (u'åß∂ƒ'.encode('utf8'),)), encode=False)
self.assertEqual(self.err_lineno(a), 4)
i, a = self.interp_errlog()
i.runsource(dedent(b'''\
#encoding: utf-8
["%s",
abcd]''' % (u'åß∂ƒ'.encode('utf8'),)),
filename='x.py', encode=False)
self.assertEqual(self.err_lineno(a), 4)
@unittest.skipIf(py3, "encode only does anything in Python 2")
def test_runsource_bytestring_encode(self):
i, a = self.interp_errlog()
i.runsource(b'[1 + 1,\nabcd]', encode=True)
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
with self.assertRaises(ValueError):
i.runsource(b'[1 + 1,\nabcd]', filename='x.py', encode=True)
i, a = self.interp_errlog()
i.runsource(dedent(b'''\
#encoding: utf-8
[u"%s",
abcd]''' % (u'åß∂ƒ'.encode('utf8'),)), encode=True)
self.assertEqual(self.err_lineno(a), 4)
i, a = self.interp_errlog()
with self.assertRaises(ValueError):
i.runsource(dedent(b'''\
#encoding: utf-8
[u"%s",
abcd]''' % (u'åß∂ƒ'.encode('utf8'),)),
filename='x.py',
encode=True)
@unittest.skipIf(py3, "encode only does anything in Python 2")
def test_runsource_bytestring_autoencode(self):
i, a = self.interp_errlog()
i.runsource(b'[1 + 1,\n abcd]')
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(b'[1 + 1,\nabcd]', filename='x.py')
self.assertEqual(self.err_lineno(a), 2)
i, a = self.interp_errlog()
i.runsource(dedent(b'''\
#encoding: utf-8
[u"%s",
abcd]''' % (u'åß∂ƒ'.encode('utf8'),)))
self.assertEqual(self.err_lineno(a), 4)
i, a = self.interp_errlog()
i.runsource(dedent(b'''\
#encoding: utf-8
[u"%s",
abcd]''' % (u'åß∂ƒ'.encode('utf8'),)))
self.assertEqual(self.err_lineno(a), 4)