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import os
import shutil
import stat
import sys
import tempfile
from . import MComixTest
from mcomix import process
if 'win32' == sys.platform:
def _is_valid_exe(name):
return (name.endswith('.exe') and
os.path.isabs(name) and
os.path.isfile(exe))
else:
def _is_valid_exe(name):
return (os.path.isabs(name) and
os.path.isfile(name) and
os.access(exe, os.R_OK|os.X_OK))
def _create_file(path, rights='r'):
mode = 0
for r, m in (
('r', stat.S_IRUSR),
('w', stat.S_IWUSR),
('x', stat.S_IXUSR),
):
if r in rights:
mode |= m
dir = os.path.dirname(path)
if not os.path.exists(dir):
os.makedirs(dir)
open(path, 'w+b').close()
os.chmod(path, mode)
def _create_tree(root, entries):
for name, rights in entries:
full_path = os.path.join(root, name)
_create_file(full_path, rights)
class ProcessTest(MComixTest):
def test_find_executable(self):
cleanup = []
try:
root_dir = tempfile.mkdtemp(dir=u'test', prefix=u'tmp.path.')
# cleanup.append(lambda: shutil.rmtree(root_dir))
if 'win32' == sys.platform:
orig_exe_dir = process._exe_dir
cleanup.append(lambda: setattr(process, '_exe_dir', orig_exe_dir))
process._exe_dir = 'dir4'
tree = (
('bin1.exe' , 'rx'),
('bin3.exe' , 'rx'),
('dir1/bin1.exe' , 'rx'),
('dir1/bin2' , 'rx'),
('dir2/bin1.exe' , 'rx'),
('dir3/bin2.exe' , 'rx'),
('dir3/bin4.exe' , 'rx'),
('dir3/dir/bin2.exe', 'rx'),
('dir4/bin4.exe' , 'rx'),
('dir4/bin5.exe' , 'rx'),
)
tests = (
# Absolute path, unchanged.
([sys.executable] , None , sys.executable ),
# Same without .exe extension.
([sys.executable[:-4]] , None , sys.executable ),
# Must still be valid, though...
(['C:/invalid/invalid'], None , None ),
# bin1 in workdir should be picked up.
(['bin1.exe'] , None , 'bin1.exe' ),
(['bad', 'bin1.exe'] , None , 'bin1.exe' ),
# Same without .exe extension.
(['bin1'] , None , 'bin1.exe' ),
# bin2 in dir1 or bin2 @ind dir3 should not be picked up.
(['bin2'] , None , 'dir3/bin2.exe' ),
# Candidate with a directory component.
(['./bin3'] , None , 'bin3.exe' ),
# And a custom working directory.
(['dir/bin2'] , 'dir3', 'dir3/dir/bin2.exe'),
# Check main executable directory is searched too.
# (with higher priority than PATH)
(['bin4'] , None , 'dir4/bin4.exe' ),
# And work directory.
(['bin4'] , 'dir3', 'dir4/bin4.exe' ),
)
else:
tree = (
('bin1' , 'rx'),
('bin3' , 'rx'),
('dir1/bin1' , 'rx'),
('dir1/bin2' , 'r '),
('dir2/bin1' , 'rx'),
('dir2/bin2' , ' '),
('dir3/bin1' , 'rx'),
('dir3/bin2' , 'rx'),
('dir3/bin3' , 'r '),
('dir3/bin4' , 'rx'),
('dir3/dir/bin2', 'rx'),
('dir3/dir/bin3', 'rw '),
)
tests = (
# Absolute path, unchanged.
(['/bin/true'] , None , '/bin/true' ),
# Must still be valid, though...
(['/invalid/invalid'], None , None ),
# bin1 in workdir should not be picked up.
(['bin1'] , None , 'dir1/bin1' ),
# Check all candidates.
(['bad', 'bin1'] , None , 'dir1/bin1' ),
# bin2 in dir1 should not be picked up (not executable).
(['bin2'] , None , 'dir3/bin2' ),
# Same with bin3.
(['bin3'] , None , None ),
# Candidate with a directory component.
(['./bin3'] , None , 'bin3' ),
# And a custom working directory.
(['dir/bin2'] , 'dir3', 'dir3/dir/bin2'),
# But must still be valid...
(['dir/bin3'] , 'dir3', None ),
)
_create_tree(root_dir, tree)
root_dir = os.path.abspath(root_dir)
orig_path = os.environ['PATH']
cleanup.append(lambda: os.environ.__setitem__('PATH', orig_path))
os.environ['PATH'] = os.pathsep.join('dir1 dir2 dir3'.split())
orig_cwd = os.getcwd()
cleanup.append(lambda: os.chdir(orig_cwd))
os.chdir(root_dir)
for candidates, workdir, expected in tests:
if expected is not None:
if not os.path.isabs(expected):
expected = os.path.join(root_dir, expected)
expected = os.path.normpath(expected)
result = process.find_executable(candidates, workdir=workdir)
msg = (
'find_executable(%s, workdir=%s) failed; '
'returned %s instead of %s' % (
candidates, workdir,
result, expected,
)
)
self.assertEqual(result, expected, msg=msg)
finally:
for fn in reversed(cleanup):
fn()
|
