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from argparse import Namespace
from unittest import TestCase
from assess_log_rotation import (
check_for_extra_backup,
check_expected_backup,
check_log0,
LogRotateError,
parse_args,
)
from jujupy import yaml_loads
good_yaml = \
"""
results:
result-map:
log0:
name: /var/log/juju/unit-fill-logs-0.log
size: "25"
log1:
name: /var/log/juju/unit-fill-logs-0-2015-05-21T09-57-03.123.log
size: "299"
log1:
name: /var/log/juju/unit-fill-logs-0-2015-05-22T12-57-03.123.log
size: "300"
status: completed
timing:
completed: 2015-05-21 09:57:03 -0400 EDT
enqueued: 2015-05-21 09:56:59 -0400 EDT
started: 2015-05-21 09:57:02 -0400 EDT
"""
good_obj = yaml_loads(good_yaml)
big_yaml = \
"""
results:
result-map:
log0:
name: /var/log/juju/unit-fill-logs-0.log
size: "400"
log1:
name: /var/log/juju/unit-fill-logs-0-2015-05-21T09-57-03.123.log
size: "400"
log2:
name: /var/log/juju/unit-fill-logs-0-not-a-valid-timestamp.log
size: "299"
log3:
name: something-just-plain-bad.log
size: "299"
status: completed
timing:
completed: 2015-05-21 09:57:03 -0400 EDT
enqueued: 2015-05-21 09:56:59 -0400 EDT
started: 2015-05-21 09:57:02 -0400 EDT
"""
big_obj = yaml_loads(big_yaml)
no_files_yaml = \
"""
results:
result-map:
status: completed
timing:
completed: 2015-05-21 09:57:03 -0400 EDT
enqueued: 2015-05-21 09:56:59 -0400 EDT
started: 2015-05-21 09:57:02 -0400 EDT
"""
no_files_obj = yaml_loads(no_files_yaml)
class TestCheckForExtraBackup(TestCase):
def test_not_found(self):
try:
# log2 should not be found, and thus no exception.
check_for_extra_backup("log2", good_obj)
except Exception as e:
self.fail("unexpected exception: %s" % e.msg)
def test_find_extra(self):
with self.assertRaises(LogRotateError):
# log1 should be found, and thus cause an exception.
check_for_extra_backup("log1", good_obj)
class TestCheckBackup(TestCase):
def test_exists(self):
try:
# log1 should be found, and thus no exception.
check_expected_backup("log1", "unit-fill-logs-0", good_obj)
except Exception as e:
self.fail("unexpected exception: %s" % e.msg)
def test_not_found(self):
with self.assertRaises(LogRotateError):
# log2 should not be found, and thus cause an exception.
check_expected_backup("log2", "unit-fill-logs-0", good_obj)
def test_too_big(self):
with self.assertRaises(LogRotateError):
# log1 is too big, and thus should cause an exception.
check_expected_backup("log1", "unit-fill-logs-0", big_obj)
def test_bad_timestamp(self):
with self.assertRaises(LogRotateError):
# log2 has an invalid timestamp, and thus should cause an
# exception.
check_expected_backup("log2", "unit-fill-logs-0", big_obj)
def test_bad_name(self):
with self.assertRaises(LogRotateError):
# log3 has a completely invalid name, and thus should cause an
# exception.
check_expected_backup("log3", "unit-fill-logs-0", big_obj)
class TestCheckLog0(TestCase):
def test_exists(self):
try:
# log0 should be found, and thus no exception.
check_log0("/var/log/juju/unit-fill-logs-0.log", good_obj)
except Exception as e:
self.fail("unexpected exception: %s" % e.msg)
def test_not_found(self):
with self.assertRaises(AttributeError):
# There's no value under result-map, which causes the yaml parser
# to consider it None, and thus it'll cause an AttributeError
check_log0("/var/log/juju/unit-fill-logs-0.log", no_files_obj)
def test_too_big(self):
with self.assertRaises(LogRotateError):
# log0 is too big, and thus should cause an exception.
check_log0(
"/var/log/juju/unit-fill-logs-0.log", big_obj)
class TestParseArgs(TestCase):
def test_parse_args(self):
args = parse_args(['machine', 'b', 'c', 'd', 'e'])
self.assertEqual(args, Namespace(
agent='machine', juju_path='b', env_name='c', logs='d',
temp_env_name='e', debug=False))
def test_parse_args_debug(self):
args = parse_args(['--debug', 'unit', 'b', 'c', 'd', 'e'])
self.assertEqual(args, Namespace(
agent='unit', juju_path='b', env_name='c', logs='d',
temp_env_name='e', debug=True))
|