def test_Universe_invalidfile_IE_msg(self):
# check for invalid file (something with the wrong content)
temp_dir = TempDir()
with open(os.path.join(temp_dir.name, 'invalid.file.tpr'),
'w') as temp_file:
temp_file.write('plop')
try:
mda.Universe(os.path.join(temp_dir.name, 'invalid.file.tpr'))
except IOError as e:
assert 'file or cannot be recognized' in e.args[0]
else:
raise AssertionError
finally:
temp_dir.dissolve()
def test_Universe_invalidpermissionfile_IE_msg():
# check for file with invalid permissions (eg. no read access)
temp_dir = TempDir()
temp_file = os.path.join(temp_dir.name, 'permission.denied.tpr')
with open(temp_file, 'w'):
pass
os.chmod(temp_file, 0o200)
try:
mda.Universe(os.path.join(temp_dir.name, 'permission.denied.tpr'))
except IOError as e:
assert_('Permission denied' in e.strerror)
else:
raise AssertionError
finally:
temp_dir.dissolve()
def test_Universe_invalidpermissionfile_IE_msg(self):
# check for file with invalid permissions (eg. no read access)
temp_dir = TempDir()
temp_file = os.path.join(temp_dir.name, 'permission.denied.tpr')
with open(temp_file, 'w'):
pass
if os.name == 'nt':
subprocess.call(
"icacls {filename} /deny Users:RX".format(filename=temp_file),
shell=True)
else:
os.chmod(temp_file, 0o200)
try:
mda.Universe(os.path.join(temp_dir.name, 'permission.denied.tpr'))
except IOError as e:
assert 'Permission denied' in str(e.strerror)
else:
raise AssertionError
finally:
temp_dir.dissolve()