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"""atfutils module contains general purpose wrappers
*) assert_success
*) assert_failure
*) print-stdout
*) print_stderr
*) set_active_volume
"""
import re
import time
import inspect
from atfglobals import GlobalObj
commands = {
'wc' : 'wc',
'ls' : 'ls',
'stat' : 'stat',
'echo' : 'echo',
'cat' : 'cat',
'touch' : 'touch',
'rename': 'mv',
'unlink': 'rm',
'dd' : 'dd',
'chmod' : 'chmod',
'chown' : 'chown',
'mkdir' : 'mkdir -p',
'mkfs' : 'mkfs',
'mount' : 'mount',
'umount' : 'umount',
'hardlink' : 'ln',
'symlink' : 'ln -s',
'setattr' : 'setfattr',
'getattr' : 'getfattr',
'truncate' : 'truncate',
'unlink_force' : 'rm -f',
'unlink_dir_force' : 'rm -rf'
}
def get_new_output_obj():
output = {}
for key in ('exitstatus', 'stdoutdata', 'stderrdata'):
output[key] = None
return output
def assert_success(exit_status):
"""
"""
if exit_status is not 0:
return 1
else:
return 0
def assert_failure(exit_status):
"""
"""
if exit_status is 0:
return 1
else:
return 0
def assert_success_of_outputs(outputs):
"""
"""
caller = inspect.stack()[1][3]
logger = GlobalObj.getLoggerObj()
assert_success_flag = True
for key in outputs.keys():
output = outputs[key]
assert_success_status = assert_success(output["exitstatus"])
if assert_success_status is not 0:
assert_success_flag = False
logger.error("%s Failed to Execute %s") % (key, caller)
if assert_success_flag is False:
return 1
else:
return 0
def expect(actual_string, expected_string):
"""
"""
escaped_pattern = re.escape(expected_string)
new_pattern = re.compile(escaped_pattern, re.IGNORECASE)
matched = False
if not expected_string:
matched = True
else:
if re.search(new_pattern, actual_string):
matched = True
return matched
def validate_output(output, expected_exit_status, expected_output,
stream="stdout"):
"""
Parameters:
output: This is dictionary which is return value of
executecommand(ssh module)
expected_exit_status: exit_status we are expecting
expected_output : output expected from the execution of command
Returns:
True: if output we got from the command execution matches with
expected_exit_status and expected_output is
False: if output doesn't match with expected_exit_status or
expected_output
"""
logger = GlobalObj.getLoggerObj()
exit_status_match = False
output_data_match = False
if None in (output["stdoutdata"], output["stderrdata"]):
logger.error("Error in Test Environment")
return 1
if expected_exit_status is not 0:
assert_exit_status = assert_failure(output['exitstatus'])
else:
assert_exit_status = assert_success(output['exitstatus'])
if assert_exit_status is 0:
exit_status_match = True
if not expected_output:
output_data_match = True
else:
if stream is "stderr":
actual_output = str(output['stderrdata'])
else:
actual_output = str(output['stdoutdata'])
output_data_match = expect(actual_output, expected_output)
if exit_status_match is False:
logger.error("Expected exit status is '%s'.Actual exit status is '%s'" %
(expected_exit_status, output['exitstatus']))
if output_data_match is False:
logger.error("Expected ouput is '%s'.Actual output is '%s'" %
(expected_output, actual_output))
if (exit_status_match and output_data_match) is True:
return 0
else:
return 1
def print_stdout(stdoutdata):
"""
"""
logger = GlobalObj.getLoggerObj()
if not stdoutdata == None:
for data in stdoutdata:
logger.debug(data)
def print_stderr(stderrdata):
logger = GlobalObj.getLoggerObj()
if not stderrdata == None:
for data in stderrdata:
logger.debug(data)
def set_active_volume(volumekey):
"""
"""
logger = GlobalObj.getLoggerObj()
env = GlobalObj.getTestenvObj()
return_status = env.setActiveVolume(volumekey)
if return_status:
logger.error("Unable to set Active Volume. \
'%s' Not defined in TestEnvironment" % volumekey )
return return_status
def get_active_volume():
"""
"""
logger = GlobalObj.getLoggerObj()
env = GlobalObj.getTestenvObj()
active_volume = env.getActiveVolume()
if active_volume is None:
logger.error("Active Volume not set in the TestEnvironment")
return active_volume
def attach_timestamp(filename):
"""
"""
timestamp = time.strftime("%Y_%m_%d_%H_%M_%S")
new_filename = '.'.join([filename, timestamp])
return new_filename
|