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
|
# Tests command line execution of scripts
import unittest
import os
import os.path
import sys
import test.test_support
import tempfile
import subprocess
import py_compile
import contextlib
import shutil
import zipfile
verbose = test.test_support.verbose
# XXX ncoghlan: Should we consider moving these to test_support?
from test_cmd_line import _spawn_python, _kill_python
def _run_python(*args):
if __debug__:
p = _spawn_python(*args)
else:
p = _spawn_python('-O', *args)
stdout_data = _kill_python(p)
return p.wait(), stdout_data
@contextlib.contextmanager
def temp_dir():
dirname = tempfile.mkdtemp()
dirname = os.path.realpath(dirname)
try:
yield dirname
finally:
shutil.rmtree(dirname)
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__
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):
script_filename = script_basename+os.extsep+'py'
script_name = os.path.join(script_dir, script_filename)
script_file = open(script_name, 'w')
script_file.write(source)
script_file.close()
return script_name
def _compile_test_script(script_name):
py_compile.compile(script_name, doraise=True)
if __debug__:
compiled_name = script_name + 'c'
else:
compiled_name = script_name + 'o'
return compiled_name
def _make_test_zip(zip_dir, zip_basename, script_name):
zip_filename = zip_basename+os.extsep+'zip'
zip_name = os.path.join(zip_dir, zip_filename)
zip_file = zipfile.ZipFile(zip_name, 'w')
zip_file.write(script_name, os.path.basename(script_name))
zip_file.close()
# if verbose:
# zip_file = zipfile.ZipFile(zip_name, 'r')
# print 'Contents of %r:' % zip_name
# zip_file.printdir()
# zip_file.close()
return zip_name
def _make_test_pkg(pkg_dir):
os.mkdir(pkg_dir)
_make_test_script(pkg_dir, '__init__', '')
# 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[0:0] = os.path.dirname(__file__)
runpy._run_module_as_main(%r)
"""
def _make_launch_script(script_dir, script_basename, module_name):
return _make_test_script(script_dir, script_basename,
launch_source % module_name)
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.assert_(printed_file in data)
self.assert_(printed_package in data)
self.assert_(printed_argv0 in 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 = _compile_test_script(script_name)
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):
with temp_dir() as script_dir:
script_name = _make_test_script(script_dir, '__main__')
compiled_name = _compile_test_script(script_name)
os.remove(script_name)
self._check_script(script_dir, compiled_name, script_dir, '')
def test_zipfile(self):
with temp_dir() as script_dir:
script_name = _make_test_script(script_dir, '__main__')
zip_name = _make_test_zip(script_dir, 'test_zip', script_name)
self._check_script(zip_name, None, zip_name, '')
def test_zipfile_compiled(self):
with temp_dir() as script_dir:
script_name = _make_test_script(script_dir, '__main__')
compiled_name = _compile_test_script(script_name)
zip_name = _make_test_zip(script_dir, 'test_zip', compiled_name)
self._check_script(zip_name, None, zip_name, '')
def test_module_in_package(self):
with temp_dir() as script_dir:
pkg_dir = os.path.join(script_dir, 'test_pkg')
_make_test_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_main():
test.test_support.run_unittest(CmdLineTest)
test.test_support.reap_children()
if __name__ == '__main__':
test_main()
|
