/usr/lib/python2.7/dist-packages/haproxy/tests/test_argparse.py is in python-haproxy-log-analysis 2.0~b0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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from haproxy import filters
from haproxy.logfile import Log
from haproxy.main import create_parser
from haproxy.main import main
from haproxy.main import parse_arguments
from haproxy.main import VALID_FILTERS
from tempfile import NamedTemporaryFile
import os
import sys
import unittest
class RedirectStdout(object):
"""Context manager class that redirects standard output to a file.
This helps analyzing standard output (print() function output) on tests
without having to do any change on the code, just on tests.
"""
def __init__(self, stdout=None):
self._stdout = stdout or sys.stdout
self.old_stdout = None
def __enter__(self):
self.old_stdout = sys.stdout
self.old_stdout.flush()
sys.stdout = self._stdout
def __exit__(self, exc_type, exc_value, traceback):
self._stdout.flush()
sys.stdout = self.old_stdout
class ArgumentParsingTest(unittest.TestCase):
def setUp(self):
self.parser = create_parser()
self.default_arguments = [
'-c', 'counter', '-l', 'haproxy/tests/files/huge.log',
]
def tearDown(self):
"""Be sure to remove all pickle files so to not keep stale files
around.
"""
path = 'haproxy/tests/files'
for filename in os.listdir(path):
if filename.endswith('.pickle'):
os.remove('{0}/{1}'.format(path, filename))
def test_arg_parser_start_invalid(self):
"""Check that if a 'start' argument is not valid an exception is
raised.
"""
arguments = ['-s', '/Dec/2013:14:15:16', ] + self.default_arguments
with self.assertRaises(ValueError):
parse_arguments(self.parser.parse_args(arguments))
def test_arg_parser_start_valid(self):
"""Check that if a 'start' argument is valid is stored."""
start = '12/Dec/2013:14:15:16'
arguments = ['-s', start, ] + self.default_arguments
data = parse_arguments(self.parser.parse_args(arguments))
self.assertEqual(start, data['start'])
def test_arg_parser_delta_invalid(self):
"""Check that if an invalid delta argument is passed an exception is
raised.
"""
arguments = ['-d', 'invalid', ] + self.default_arguments
with self.assertRaises(ValueError):
parse_arguments(self.parser.parse_args(arguments))
def test_arg_parser_delta_valid(self):
"""Check that if a 'delta' argument is valid is stored."""
delta = '4d'
arguments = ['-d', delta, ] + self.default_arguments
data = parse_arguments(self.parser.parse_args(arguments))
self.assertEqual(delta, data['delta'])
def test_arg_parser_log_file_valid(self):
"""Check that any log file passed does exist before handling it
further.
"""
arguments = ['-c', 'counter',
'-l', 'haproxy/tests/test_argparse.py', ]
data = parse_arguments(self.parser.parse_args(arguments))
self.assertEqual('haproxy/tests/test_argparse.py', data['log'])
def test_arg_parser_log_file_invalid(self):
"""Check that if the log file passed does not exist an exception is
raised.
"""
arguments = ['-c', 'counter',
'-l', 'non_existing.log', ]
with self.assertRaises(ValueError):
parse_arguments(self.parser.parse_args(arguments))
def test_arg_parser_commands_valid(self):
"""Test that valid commands are correctly parsed."""
arguments = ['-c', 'http_methods',
'-l', 'haproxy/tests/files/huge.log', ]
data = parse_arguments(self.parser.parse_args(arguments))
self.assertEqual(['http_methods', ], data['commands'])
def test_arg_parser_commands_invalid(self):
"""Test that trying to input non existing commands raises an
exception.
"""
with self.assertRaises(ValueError):
arguments = ['-c', 'non_existing_method',
'-l', 'haproxy/tests/files/huge.log', ]
parse_arguments(self.parser.parse_args(arguments))
def test_arg_parser_filters_valid(self):
"""Test that valid filters are correctly parsed."""
arguments = ['-f', 'ssl',
'-l', 'haproxy/tests/files/huge.log', ]
data = parse_arguments(self.parser.parse_args(arguments))
self.assertEqual([('ssl', None)], data['filters'])
def test_arg_parser_filters_valid_with_argument(self):
"""Test that valid filters with arguments are correctly parsed."""
arguments = ['-f', 'ip[something],ssl',
'-l', 'haproxy/tests/files/huge.log', ]
data = parse_arguments(self.parser.parse_args(arguments))
self.assertEqual([('ip', 'something'), ('ssl', None)],
data['filters'])
def test_arg_parser_filters_invalid(self):
"""Test that trying to input non existing filters raises an
exception.
"""
arguments = ['--filter', 'non_existing_filter',
'-l', 'haproxy/tests/files/huge.log', ]
with self.assertRaises(ValueError):
parse_arguments(self.parser.parse_args(arguments))
def test_arg_parser_filters_invalid_argument(self):
"""Test that trying to input an invalid filter expression fails."""
arguments = ['--filter', 'ip_with_error],ssl',
'-l', 'haproxy/tests/files/huge.log', ]
with self.assertRaises(ValueError):
parse_arguments(self.parser.parse_args(arguments))
def test_arg_parser_filters_without_closing_bracket(self):
"""Test that trying to input an invalid filter expression fails."""
arguments = ['--filter', 'ip],ssl',
'-l', 'haproxy/tests/files/huge.log', ]
with self.assertRaises(ValueError):
parse_arguments(self.parser.parse_args(arguments))
def test_arg_parser_list_commands(self):
"""Test that list commands argument is parsed."""
arguments = ['--list-commands', ]
data = parse_arguments(self.parser.parse_args(arguments))
for arg in data:
if arg == 'list_commands':
self.assertTrue(data['list_commands'])
else:
self.assertEqual(data[arg], None)
def test_arg_parser_list_commands_output(self):
"""Test that list commands argument outputs what's expected."""
arguments = ['--list-commands', ]
data = parse_arguments(self.parser.parse_args(arguments))
test_output = NamedTemporaryFile(mode='w', delete=False)
with RedirectStdout(stdout=test_output):
main(data)
with open(test_output.name, 'r') as output_file:
output_text = output_file.read()
for cmd in Log.commands():
self.assertIn(cmd, output_text)
def test_arg_parser_help_output(self):
"""Test that when no arguments are given the help is shown."""
data = parse_arguments(self.parser.parse_args([]))
test_output = NamedTemporaryFile(mode='w', delete=False)
with RedirectStdout(stdout=test_output):
main(data)
with open(test_output.name, 'r') as output_file:
output_text = output_file.read()
for keyword in ('LOG', 'START', 'DELTA', 'COMMAND'):
self.assertIn(keyword, output_text)
def test_arg_parser_help_output_only_log_file(self):
"""Test that when no arguments are given the help is shown."""
arguments = ['-l', 'haproxy/tests/files/queue.log', ]
data = parse_arguments(self.parser.parse_args(arguments))
test_output = NamedTemporaryFile(mode='w', delete=False)
with RedirectStdout(stdout=test_output):
main(data)
with open(test_output.name, 'r') as output_file:
output_text = output_file.read()
for keyword in ('LOG', 'START', 'DELTA', 'COMMAND'):
self.assertIn(keyword, output_text)
def test_arg_parser_list_filters_output(self):
"""Test that list filters argument outputs what's expected."""
arguments = ['--list-filters', ]
data = parse_arguments(self.parser.parse_args(arguments))
test_output = NamedTemporaryFile(mode='w', delete=False)
with RedirectStdout(stdout=test_output):
main(data)
with open(test_output.name, 'r') as output_file:
output_text = output_file.read()
for filter_name in VALID_FILTERS:
self.assertIn(filter_name[7:], output_text)
def test_arg_parser_filters(self):
"""Check that the filter logic on haproxy.main.main works as expected.
"""
arguments = ['-f', 'ssl,ip[1.2.3.4]',
'-c', 'counter',
'-l', 'haproxy/tests/files/filters.log', ]
data = parse_arguments(self.parser.parse_args(arguments))
test_output = NamedTemporaryFile(mode='w', delete=False)
with RedirectStdout(stdout=test_output):
main(data)
with open(test_output.name, 'r') as output_file:
output_text = output_file.read()
self.assertIn('counter', output_text)
self.assertIn('2', output_text)
def test_arg_parser_filters_start(self):
"""Check that the filter_time is applied on the log file if a start
argument is given.
"""
arguments = ['-s', '12/Dec/2015',
'-c', 'counter',
'-l', 'haproxy/tests/files/filters.log', ]
data = parse_arguments(self.parser.parse_args(arguments))
test_output = NamedTemporaryFile(mode='w', delete=False)
with RedirectStdout(stdout=test_output):
main(data)
with open(test_output.name, 'r') as output_file:
output_text = output_file.read()
self.assertIn('counter', output_text)
self.assertIn('4', output_text)
def test_arg_parser_filters_start_and_delta(self):
"""Check that the filter_time is applied on the log file if a start
and delta arguments are given.
"""
arguments = ['-s', '11/Dec/2015:11',
'-d', '3h',
'-c', 'counter',
'-l', 'haproxy/tests/files/filters.log', ]
data = parse_arguments(self.parser.parse_args(arguments))
test_output = NamedTemporaryFile(mode='w', delete=False)
with RedirectStdout(stdout=test_output):
main(data)
with open(test_output.name, 'r') as output_file:
output_text = output_file.read()
self.assertIn('counter', output_text)
self.assertIn('2', output_text)
def test_valid_filters(self):
"""Ensure that all but time_frame filters are available."""
methods = dir(filters)
for valid_filter in VALID_FILTERS:
filter_name = 'filter_{0}'.format(valid_filter)
self.assertTrue(filter_name in methods)
self.assertFalse('time_frame' in VALID_FILTERS)
def test_arg_parser_negate_filter_parsed(self):
"""Check that if the negate filter argument is set, is parsed
correctly.
"""
arguments = ['-n', ] + self.default_arguments
data = parse_arguments(self.parser.parse_args(arguments))
self.assertTrue(data['negate_filter'])
def test_arg_parser_negate_filter_not_set(self):
"""Check that if the negate filter argument is not set, the default
value is kept.
"""
data = parse_arguments(self.parser.parse_args(self.default_arguments))
self.assertFalse(data['negate_filter'])
def test_arg_parser_negate_filter_output(self):
"""Check that if the negate filter argument is set, is actually used.
"""
arguments = ['-c', 'counter',
'-l', 'haproxy/tests/files/small.log',
'-f', 'server[instance3]',
'-n', ]
# with the negate argument set, there should be all but instance3 lines
data = parse_arguments(self.parser.parse_args(arguments))
test_output = NamedTemporaryFile(mode='w', delete=False)
with RedirectStdout(stdout=test_output):
main(data)
with open(test_output.name, 'r') as output_file:
output_text = output_file.read()
self.assertIn('counter', output_text)
self.assertIn('7', output_text)
# remove the negate argument, now only 2 lines should match
arguments.pop()
data = parse_arguments(self.parser.parse_args(arguments))
test_output = NamedTemporaryFile(mode='w', delete=False)
with RedirectStdout(stdout=test_output):
main(data)
with open(test_output.name, 'r') as output_file:
output_text = output_file.read()
self.assertIn('counter', output_text)
self.assertIn('2', output_text)
# finally remove the filter, 9 lines should match
arguments.pop()
arguments.pop() # this second pop() is because of the argument
data = parse_arguments(self.parser.parse_args(arguments))
test_output = NamedTemporaryFile(mode='w', delete=False)
with RedirectStdout(stdout=test_output):
main(data)
with open(test_output.name, 'r') as output_file:
output_text = output_file.read()
self.assertIn('counter', output_text)
self.assertIn('9', output_text)
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