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
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
|
# Tests command line execution of scripts
import contextlib
import unittest
import os
import os.path
import py_compile
import test.test_support
from test.script_helper import (run_python,
temp_dir, make_script,
assert_python_failure, make_pkg,
make_zip_script, make_zip_pkg)
verbose = test.test_support.verbose
example_args = ['test1', 'test2', 'test3']
test_source = """\
# Script may be run with optimisation enabled, so don't rely on assert
# statements being executed
def assertEqual(lhs, rhs):
if lhs != rhs:
raise AssertionError('%r != %r' % (lhs, rhs))
def assertIdentical(lhs, rhs):
if lhs is not rhs:
raise AssertionError('%r is not %r' % (lhs, rhs))
# Check basic code execution
result = ['Top level assignment']
def f():
result.append('Lower level reference')
f()
assertEqual(result, ['Top level assignment', 'Lower level reference'])
# Check population of magic variables
assertEqual(__name__, '__main__')
print '__file__==%r' % __file__
assertEqual(__cached__, None)
print '__package__==%r' % __package__
# Check the sys module
import sys
assertIdentical(globals(), sys.modules[__name__].__dict__)
print 'sys.argv[0]==%r' % sys.argv[0]
"""
def _make_test_script(script_dir, script_basename, source=test_source):
return make_script(script_dir, script_basename, source)
def _make_test_zip_pkg(zip_dir, zip_basename, pkg_name, script_basename,
source=test_source, depth=1):
return make_zip_pkg(zip_dir, zip_basename, pkg_name, script_basename,
source, depth)
# There's no easy way to pass the script directory in to get
# -m to work (avoiding that is the whole point of making
# directories and zipfiles executable!)
# So we fake it for testing purposes with a custom launch script
launch_source = """\
import sys, os.path, runpy
sys.path.insert(0, %s)
runpy._run_module_as_main(%r)
"""
def _make_launch_script(script_dir, script_basename, module_name, path=None):
if path is None:
path = "os.path.dirname(__file__)"
else:
path = repr(path)
source = launch_source % (path, module_name)
return make_script(script_dir, script_basename, source)
class CmdLineTest(unittest.TestCase):
def _check_script(self, script_name, expected_file,
expected_argv0, expected_package,
*cmd_line_switches):
run_args = cmd_line_switches + (script_name,)
exit_code, data = run_python(*run_args)
if verbose:
print 'Output from test script %r:' % script_name
print data
self.assertEqual(exit_code, 0)
printed_file = '__file__==%r' % expected_file
printed_argv0 = 'sys.argv[0]==%r' % expected_argv0
printed_package = '__package__==%r' % expected_package
if verbose:
print 'Expected output:'
print printed_file
print printed_package
print printed_argv0
self.assertIn(printed_file, data)
self.assertIn(printed_package, data)
self.assertIn(printed_argv0, data)
def _check_import_error(self, script_name, expected_msg,
*cmd_line_switches):
run_args = cmd_line_switches + (script_name,)
exit_code, data = run_python(*run_args)
if verbose:
print 'Output from test script %r:' % script_name
print data
print 'Expected output: %r' % expected_msg
self.assertIn(expected_msg, data)
def test_basic_script(self):
with temp_dir() as script_dir:
script_name = _make_test_script(script_dir, 'script')
self._check_script(script_name, script_name, script_name, None)
def test_script_compiled(self):
with temp_dir() as script_dir:
script_name = _make_test_script(script_dir, 'script')
compiled_name = py_compile.compile(script_name, doraise=True)
os.remove(script_name)
self._check_script(compiled_name, compiled_name, compiled_name, None)
def test_directory(self):
with temp_dir() as script_dir:
script_name = _make_test_script(script_dir, '__main__')
self._check_script(script_dir, script_name, script_dir, '')
def test_directory_compiled(self):
if test.test_support.check_impl_detail(pypy=True):
raise unittest.SkipTest("pypy won't load lone .pyc files")
with temp_dir() as script_dir:
script_name = _make_test_script(script_dir, '__main__')
compiled_name = py_compile.compile(script_name, doraise=True)
os.remove(script_name)
pyc_file = test.test_support.make_legacy_pyc(script_name)
self._check_script(script_dir, pyc_file, script_dir, '')
def test_directory_error(self):
with temp_dir() as script_dir:
msg = "can't find '__main__' module in %r" % script_dir
self._check_import_error(script_dir, msg)
def test_zipfile(self):
with temp_dir() as script_dir:
script_name = _make_test_script(script_dir, '__main__')
zip_name, run_name = make_zip_script(script_dir, 'test_zip', script_name)
self._check_script(zip_name, run_name, zip_name, '')
def test_zipfile_compiled(self):
with temp_dir() as script_dir:
script_name = _make_test_script(script_dir, '__main__')
compiled_name = py_compile.compile(script_name, doraise=True)
zip_name, run_name = make_zip_script(script_dir, 'test_zip', compiled_name)
self._check_script(zip_name, run_name, zip_name, '')
def test_zipfile_error(self):
with temp_dir() as script_dir:
script_name = _make_test_script(script_dir, 'not_main')
zip_name, run_name = make_zip_script(script_dir, 'test_zip', script_name)
msg = "can't find '__main__' module in %r" % zip_name
self._check_import_error(zip_name, msg)
def test_module_in_package(self):
with temp_dir() as script_dir:
pkg_dir = os.path.join(script_dir, 'test_pkg')
make_pkg(pkg_dir)
script_name = _make_test_script(pkg_dir, 'script')
launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg.script')
self._check_script(launch_name, script_name, script_name, 'test_pkg')
def test_module_in_package_in_zipfile(self):
with temp_dir() as script_dir:
zip_name, run_name = _make_test_zip_pkg(script_dir, 'test_zip', 'test_pkg', 'script')
launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg.script', zip_name)
self._check_script(launch_name, run_name, run_name, 'test_pkg')
def test_module_in_subpackage_in_zipfile(self):
with temp_dir() as script_dir:
zip_name, run_name = _make_test_zip_pkg(script_dir, 'test_zip', 'test_pkg', 'script', depth=2)
launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg.test_pkg.script', zip_name)
self._check_script(launch_name, run_name, run_name, 'test_pkg.test_pkg')
def test_package(self):
with temp_dir() as script_dir:
pkg_dir = os.path.join(script_dir, 'test_pkg')
make_pkg(pkg_dir)
script_name = _make_test_script(pkg_dir, '__main__')
launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg')
self._check_script(launch_name, script_name,
script_name, 'test_pkg')
def test_package_compiled(self):
if test.test_support.check_impl_detail(pypy=True):
raise unittest.SkipTest("pypy won't load lone .pyc files")
with temp_dir() as script_dir:
pkg_dir = os.path.join(script_dir, 'test_pkg')
make_pkg(pkg_dir)
script_name = _make_test_script(pkg_dir, '__main__')
compiled_name = py_compile.compile(script_name, doraise=True)
os.remove(script_name)
pyc_file = test.test_support.make_legacy_pyc(script_name)
launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg')
self._check_script(launch_name, pyc_file,
pyc_file, 'test_pkg')
def test_package_error(self):
with temp_dir() as script_dir:
pkg_dir = os.path.join(script_dir, 'test_pkg')
make_pkg(pkg_dir)
msg = ("'test_pkg' is a package and cannot "
"be directly executed")
launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg')
self._check_import_error(launch_name, msg)
def test_package_recursion(self):
with temp_dir() as script_dir:
pkg_dir = os.path.join(script_dir, 'test_pkg')
make_pkg(pkg_dir)
main_dir = os.path.join(pkg_dir, '__main__')
make_pkg(main_dir)
msg = ("Cannot use package as __main__ module; "
"'test_pkg' is a package and cannot "
"be directly executed")
launch_name = _make_launch_script(script_dir, 'launch', 'test_pkg')
self._check_import_error(launch_name, msg)
@contextlib.contextmanager
def setup_test_pkg(self, *args):
with temp_dir() as script_dir, \
test.test_support.change_cwd(script_dir):
pkg_dir = os.path.join(script_dir, 'test_pkg')
make_pkg(pkg_dir, *args)
yield pkg_dir
def check_dash_m_failure(self, *args):
rc, out, err = assert_python_failure('-m', *args)
if verbose > 1:
print(out)
self.assertEqual(rc, 1)
return err
def test_dash_m_error_code_is_one(self):
# If a module is invoked with the -m command line flag
# and results in an error that the return code to the
# shell is '1'
with self.setup_test_pkg() as pkg_dir:
script_name = _make_test_script(pkg_dir, 'other', "if __name__ == '__main__': raise ValueError")
err = self.check_dash_m_failure('test_pkg.other', *example_args)
self.assertIn(b'ValueError', err)
def test_dash_m_errors(self):
# Exercise error reporting for various invalid package executions
tests = (
('__builtin__', br'No code object available'),
('__builtin__.x', br'No module named'),
('__builtin__.x.y', br'No module named'),
('os.path', br'Loader.*cannot handle'),
('importlib', br'No module named.*'
br'is a package and cannot be directly executed'),
('importlib.nonexistant', br'No module named'),
)
for name, regex in tests:
rc, _, err = assert_python_failure('-m', name)
self.assertEqual(rc, 1)
self.assertRegexpMatches(err, regex)
self.assertNotIn(b'Traceback', err)
def test_dash_m_init_traceback(self):
# These were wrapped in an ImportError and tracebacks were
# suppressed; see Issue 14285
exceptions = (ImportError, AttributeError, TypeError, ValueError)
for exception in exceptions:
exception = exception.__name__
init = "raise {0}('Exception in __init__.py')".format(exception)
with self.setup_test_pkg(init) as pkg_dir:
err = self.check_dash_m_failure('test_pkg')
self.assertIn(exception.encode('ascii'), err)
self.assertIn(b'Exception in __init__.py', err)
self.assertIn(b'Traceback', err)
def test_dash_m_main_traceback(self):
# Ensure that an ImportError's traceback is reported
with self.setup_test_pkg() as pkg_dir:
main = "raise ImportError('Exception in __main__ module')"
_make_test_script(pkg_dir, '__main__', main)
err = self.check_dash_m_failure('test_pkg')
self.assertIn(b'ImportError', err)
self.assertIn(b'Exception in __main__ module', err)
self.assertIn(b'Traceback', err)
def test_main():
test.test_support.run_unittest(CmdLineTest)
test.test_support.reap_children()
if __name__ == '__main__':
test_main()
|
