Fix swift-get-nodes arg parsing for missing ring
- Verify .ring.gz path exist if ring file is the first argument. - Code Refactoring: - swift/cli/info.parse_get_node_args() - Respective test cases for info.parse_get_node_args() Closes-Bug: #1539275 Change-Id: I0a41936d6b75c60336be76f8702fd616d74f1545 Signed-off-by: Sachin Patil <psachin@redhat.com>
This commit is contained in:
Sachin Patil
parent
462f91b040
commit
f713bb1352
45
bin/swift-get-nodes
Executable file → Normal file
45
bin/swift-get-nodes
Executable file → Normal file
@ -15,11 +15,12 @@
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# limitations under the License.
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import sys
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import os
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from optparse import OptionParser
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from os.path import basename
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from swift.common.ring import Ring
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from swift.cli.info import print_item_locations, InfoSystemExit
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from swift.cli.info import (parse_get_node_args, print_item_locations,
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InfoSystemExit)
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if __name__ == '__main__':
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@ -27,8 +28,9 @@ if __name__ == '__main__':
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usage = '''
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Shows the nodes responsible for the item specified.
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Usage: %prog [-a] <ring.gz> <account> [<container> [<object>]]
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Or: %prog [-a] <ring.gz> -p partition
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Or: %prog [-a] -P policy_name <account> <container> <object>
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Or: %prog [-a] <ring.gz> -p partition
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Or: %prog [-a] -P policy_name <account> [<container> [<object>]]
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Or: %prog [-a] -P policy_name -p partition
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Note: account, container, object can also be a single arg separated by /
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Example:
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$ %prog -a /etc/swift/account.ring.gz MyAccount
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@ -49,33 +51,16 @@ if __name__ == '__main__':
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parser.add_option('-d', '--swift-dir', default='/etc/swift',
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dest='swift_dir', help='Path to swift directory')
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options, args = parser.parse_args()
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try:
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ring_path, args = parse_get_node_args(options, args)
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except InfoSystemExit as e:
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parser.print_help()
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sys.exit('ERROR: %s' % e)
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# swift-get-nodes -P nada -p 1
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if len(args) == 0:
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if not options.policy_name or not options.partition:
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sys.exit(parser.print_help())
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elif len(args) > 4 or len(args) < 1:
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sys.exit(parser.print_help())
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# Parse single path arg, as noted in above help text.
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# if len(args) == 1 and options.policy_name and '/' in args[0]:
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if len(args) == 1 and not args[0].endswith('ring.gz'):
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path = args[0].lstrip('/')
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args = [p for p in path.split('/', 2) if p]
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if len(args) == 2 and '/' in args[1]:
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path = args[1].lstrip('/')
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args = [args[0]] + [p for p in path.split('/', 2) if p]
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ring = None
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ring_name = None
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if len(args) >= 1 and args[0].endswith('ring.gz'):
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if os.path.exists(args[0]):
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ring_name = args[0].rsplit('/', 1)[-1].split('.', 1)[0]
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ring = Ring(args[0])
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else:
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print('Ring file does not exist')
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args.pop(0)
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ring = ring_name = None
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if ring_path:
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ring_name = basename(ring_path)[:len('ring.gz')]
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ring = Ring(ring_path)
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try:
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print_item_locations(ring, ring_name, *args, **vars(options))
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@ -38,6 +38,38 @@ class InfoSystemExit(Exception):
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pass
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def parse_get_node_args(options, args):
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"""
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Parse the get_nodes commandline args
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:returns: a tuple, (ring_path, args)
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"""
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ring_path = None
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if options.policy_name:
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if POLICIES.get_by_name(options.policy_name) is None:
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raise InfoSystemExit('No policy named %r' % options.policy_name)
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elif args and args[0].endswith('ring.gz'):
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if os.path.exists(args[0]):
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ring_path = args.pop(0)
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else:
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raise InfoSystemExit('Ring file does not exist')
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if len(args) == 1:
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args = args[0].strip('/').split('/', 2)
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if not ring_path and not options.policy_name:
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raise InfoSystemExit('Need to specify policy_name or <ring.gz>')
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if not (args or options.partition):
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raise InfoSystemExit('No target specified')
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if len(args) > 3:
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raise InfoSystemExit('Invalid arguments')
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return ring_path, args
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def curl_head_command(ip, port, device, part, target, policy_index):
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"""
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Provide a string that is a well formatted curl command to HEAD an object
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@ -12,6 +12,7 @@
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"""Tests for swift.cli.info"""
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from argparse import Namespace
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import os
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import unittest
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import mock
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@ -24,9 +25,10 @@ from test.unit import patch_policies, write_fake_ring
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from swift.common import ring, utils
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from swift.common.swob import Request
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from swift.common.storage_policy import StoragePolicy, POLICIES
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from swift.cli.info import print_db_info_metadata, print_ring_locations, \
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print_info, print_obj_metadata, print_obj, InfoSystemExit, \
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print_item_locations
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from swift.cli.info import (print_db_info_metadata, print_ring_locations,
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print_info, print_obj_metadata, print_obj,
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InfoSystemExit, print_item_locations,
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parse_get_node_args)
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from swift.account.server import AccountController
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from swift.container.server import ContainerController
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from swift.obj.diskfile import write_metadata
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@ -86,12 +88,9 @@ class TestCliInfoBase(unittest.TestCase):
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rmtree(os.path.dirname(self.testdir))
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def assertRaisesMessage(self, exc, msg, func, *args, **kwargs):
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try:
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with self.assertRaises(exc) as ctx:
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func(*args, **kwargs)
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except Exception as e:
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self.assertIn(msg, str(e), "Expected %r in %r" % (msg, str(e)))
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self.assertIsInstance(e, exc,
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"Expected %s, got %s" % (exc, type(e)))
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self.assertIn(msg, str(ctx.exception))
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class TestCliInfo(TestCliInfoBase):
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@ -483,6 +482,379 @@ No user metadata found in db file''' % POLICIES[0].name
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else:
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self.fail("Expected an InfoSystemExit exception to be raised")
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def test_parse_get_node_args(self):
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# Capture error messages
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# (without any parameters)
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options = Namespace(policy_name=None, partition=None)
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args = ''
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self.assertRaisesMessage(InfoSystemExit,
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'Need to specify policy_name or <ring.gz>',
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parse_get_node_args, options, args.split())
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# a
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options = Namespace(policy_name=None, partition=None)
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args = 'a'
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self.assertRaisesMessage(InfoSystemExit,
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'Need to specify policy_name or <ring.gz>',
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parse_get_node_args, options, args.split())
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# a c
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options = Namespace(policy_name=None, partition=None)
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args = 'a c'
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self.assertRaisesMessage(InfoSystemExit,
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'Need to specify policy_name or <ring.gz>',
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parse_get_node_args, options, args.split())
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# a c o
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options = Namespace(policy_name=None, partition=None)
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args = 'a c o'
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self.assertRaisesMessage(InfoSystemExit,
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'Need to specify policy_name or <ring.gz>',
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parse_get_node_args, options, args.split())
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# a/c
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options = Namespace(policy_name=None, partition=None)
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args = 'a/c'
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self.assertRaisesMessage(InfoSystemExit,
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'Need to specify policy_name or <ring.gz>',
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parse_get_node_args, options, args.split())
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# a/c/o
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options = Namespace(policy_name=None, partition=None)
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args = 'a/c/o'
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self.assertRaisesMessage(InfoSystemExit,
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'Need to specify policy_name or <ring.gz>',
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parse_get_node_args, options, args.split())
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# account container junk/test.ring.gz
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options = Namespace(policy_name=None, partition=None)
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args = 'account container junk/test.ring.gz'
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self.assertRaisesMessage(InfoSystemExit,
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'Need to specify policy_name or <ring.gz>',
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parse_get_node_args, options, args.split())
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# account container object junk/test.ring.gz
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options = Namespace(policy_name=None, partition=None)
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args = 'account container object junk/test.ring.gz'
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self.assertRaisesMessage(InfoSystemExit,
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'Need to specify policy_name or <ring.gz>',
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parse_get_node_args, options, args.split())
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# object.ring.gz(without any arguments i.e. a c o)
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options = Namespace(policy_name=None, partition=None)
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args = 'object.ring.gz'
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self.assertRaisesMessage(InfoSystemExit,
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'Ring file does not exist',
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parse_get_node_args, options, args.split())
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# Valid policy
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# -P zero
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options = Namespace(policy_name='zero', partition=None)
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args = ''
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self.assertRaisesMessage(InfoSystemExit,
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'No target specified',
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parse_get_node_args, options, args.split())
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# -P one a/c/o
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options = Namespace(policy_name='one', partition=None)
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args = 'a/c/o'
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ring_path, args = parse_get_node_args(options, args.split())
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self.assertIsNone(ring_path)
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self.assertEqual(args, ['a', 'c', 'o'])
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# -P one account container photos/cat.jpg
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options = Namespace(policy_name='one', partition=None)
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args = 'account container photos/cat.jpg'
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ring_path, args = parse_get_node_args(options, args.split())
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self.assertIsNone(ring_path)
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self.assertEqual(args, ['account', 'container', 'photos/cat.jpg'])
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# -P one account/container/photos/cat.jpg
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options = Namespace(policy_name='one', partition=None)
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args = 'account/container/photos/cat.jpg'
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ring_path, args = parse_get_node_args(options, args.split())
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self.assertIsNone(ring_path)
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self.assertEqual(args, ['account', 'container', 'photos/cat.jpg'])
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# -P one account/container/junk/test.ring.gz(object endswith 'ring.gz')
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options = Namespace(policy_name='one', partition=None)
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args = 'account/container/junk/test.ring.gz'
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ring_path, args = parse_get_node_args(options, args.split())
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self.assertIsNone(ring_path)
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self.assertEqual(args, ['account', 'container', 'junk/test.ring.gz'])
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# -P two a c o hooya
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options = Namespace(policy_name='two', partition=None)
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args = 'a c o hooya'
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self.assertRaisesMessage(InfoSystemExit,
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'Invalid arguments',
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parse_get_node_args, options, args.split())
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# -P zero -p 1
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options = Namespace(policy_name='zero', partition='1')
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args = ''
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ring_path, args = parse_get_node_args(options, args.split())
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self.assertIsNone(ring_path)
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self.assertFalse(args)
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# -P one -p 1 a/c/o
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options = Namespace(policy_name='one', partition='1')
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args = 'a/c/o'
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ring_path, args = parse_get_node_args(options, args.split())
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self.assertIsNone(ring_path)
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self.assertEqual(args, ['a', 'c', 'o'])
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# -P two -p 1 a c o hooya
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options = Namespace(policy_name='two', partition='1')
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args = 'a c o hooya'
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self.assertRaisesMessage(InfoSystemExit,
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'Invalid arguments',
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parse_get_node_args, options, args.split())
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# Invalid policy
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# -P undefined
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options = Namespace(policy_name='undefined')
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args = ''
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self.assertRaisesMessage(InfoSystemExit,
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"No policy named 'undefined'",
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parse_get_node_args, options, args.split())
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# -P undefined -p 1
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options = Namespace(policy_name='undefined', partition='1')
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args = ''
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self.assertRaisesMessage(InfoSystemExit,
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"No policy named 'undefined'",
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parse_get_node_args, options, args.split())
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# -P undefined a
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options = Namespace(policy_name='undefined')
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args = 'a'
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self.assertRaisesMessage(InfoSystemExit,
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"No policy named 'undefined'",
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parse_get_node_args, options, args.split())
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# -P undefined a c
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options = Namespace(policy_name='undefined')
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args = 'a c'
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self.assertRaisesMessage(InfoSystemExit,
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"No policy named 'undefined'",
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parse_get_node_args, options, args.split())
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# -P undefined a c o
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options = Namespace(policy_name='undefined')
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args = 'a c o'
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self.assertRaisesMessage(InfoSystemExit,
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"No policy named 'undefined'",
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parse_get_node_args, options, args.split())
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# -P undefined a/c
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options = Namespace(policy_name='undefined')
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args = 'a/c'
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# ring_path, args = parse_get_node_args(options, args.split())
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self.assertRaisesMessage(InfoSystemExit,
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"No policy named 'undefined'",
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parse_get_node_args, options, args)
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# -P undefined a/c/o
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options = Namespace(policy_name='undefined')
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args = 'a/c/o'
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# ring_path, args = parse_get_node_args(options, args.split())
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self.assertRaisesMessage(InfoSystemExit,
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"No policy named 'undefined'",
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parse_get_node_args, options, args)
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# Mock tests
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# /etc/swift/object.ring.gz(without any arguments i.e. a c o)
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options = Namespace(policy_name=None, partition=None)
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args = '/etc/swift/object.ring.gz'
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with mock.patch('swift.cli.info.os.path.exists') as exists:
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exists.return_value = True
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self.assertRaisesMessage(
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InfoSystemExit,
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'No target specified',
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parse_get_node_args, options, args.split())
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# Similar ring_path and arguments
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# /etc/swift/object.ring.gz /etc/swift/object.ring.gz
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options = Namespace(policy_name=None, partition=None)
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args = '/etc/swift/object.ring.gz /etc/swift/object.ring.gz'
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with mock.patch('swift.cli.info.os.path.exists') as exists:
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exists.return_value = True
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ring_path, args = parse_get_node_args(options, args.split())
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self.assertEqual(ring_path, '/etc/swift/object.ring.gz')
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self.assertEqual(args, ['etc', 'swift', 'object.ring.gz'])
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# /etc/swift/object.ring.gz a/c/etc/swift/object.ring.gz
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options = Namespace(policy_name=None, partition=None)
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args = '/etc/swift/object.ring.gz a/c/etc/swift/object.ring.gz'
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with mock.patch('swift.cli.info.os.path.exists') as exists:
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exists.return_value = True
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ring_path, args = parse_get_node_args(options, args.split())
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self.assertEqual(ring_path, '/etc/swift/object.ring.gz')
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self.assertEqual(args, ['a', 'c', 'etc/swift/object.ring.gz'])
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# Invalid path as mentioned in BUG#1539275
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# /etc/swift/object.tar.gz account container object
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options = Namespace(policy_name=None, partition=None)
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args = '/etc/swift/object.tar.gz account container object'
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self.assertRaisesMessage(
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InfoSystemExit,
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'Need to specify policy_name or <ring.gz>',
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parse_get_node_args, options, args.split())
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# object.ring.gz a/
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options = Namespace(policy_name=None)
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args = 'object.ring.gz a/'
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with mock.patch('swift.cli.info.os.path.exists') as exists:
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exists.return_value = True
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ring_path, args = parse_get_node_args(options, args.split())
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self.assertEqual(ring_path, 'object.ring.gz')
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self.assertEqual(args, ['a'])
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# object.ring.gz a/c
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options = Namespace(policy_name=None)
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args = 'object.ring.gz a/c'
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with mock.patch('swift.cli.info.os.path.exists') as exists:
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exists.return_value = True
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ring_path, args = parse_get_node_args(options, args.split())
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self.assertEqual(ring_path, 'object.ring.gz')
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self.assertEqual(args, ['a', 'c'])
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# object.ring.gz a/c/o
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options = Namespace(policy_name=None)
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args = 'object.ring.gz a/c/o'
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with mock.patch('swift.cli.info.os.path.exists') as exists:
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exists.return_value = True
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ring_path, args = parse_get_node_args(options, args.split())
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self.assertEqual(ring_path, 'object.ring.gz')
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self.assertEqual(args, ['a', 'c', 'o'])
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# object.ring.gz a/c/o/junk/test.ring.gz
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options = Namespace(policy_name=None)
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args = 'object.ring.gz a/c/o/junk/test.ring.gz'
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with mock.patch('swift.cli.info.os.path.exists') as exists:
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exists.return_value = True
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ring_path, args = parse_get_node_args(options, args.split())
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self.assertEqual(ring_path, 'object.ring.gz')
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self.assertEqual(args, ['a', 'c', 'o/junk/test.ring.gz'])
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# object.ring.gz a
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options = Namespace(policy_name=None)
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args = 'object.ring.gz a'
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with mock.patch('swift.cli.info.os.path.exists') as exists:
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exists.return_value = True
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ring_path, args = parse_get_node_args(options, args.split())
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self.assertEqual(ring_path, 'object.ring.gz')
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self.assertEqual(args, ['a'])
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# object.ring.gz a c
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options = Namespace(policy_name=None)
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args = 'object.ring.gz a c'
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with mock.patch('swift.cli.info.os.path.exists') as exists:
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exists.return_value = True
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ring_path, args = parse_get_node_args(options, args.split())
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self.assertEqual(ring_path, 'object.ring.gz')
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self.assertEqual(args, ['a', 'c'])
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# object.ring.gz a c o
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options = Namespace(policy_name=None)
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args = 'object.ring.gz a c o'
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with mock.patch('swift.cli.info.os.path.exists') as exists:
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exists.return_value = True
|
||||
ring_path, args = parse_get_node_args(options, args.split())
|
||||
self.assertEqual(ring_path, 'object.ring.gz')
|
||||
self.assertEqual(args, ['a', 'c', 'o'])
|
||||
# object.ring.gz a c o blah blah
|
||||
options = Namespace(policy_name=None)
|
||||
args = 'object.ring.gz a c o blah blah'
|
||||
with mock.patch('swift.cli.info.os.path.exists') as exists:
|
||||
exists.return_value = True
|
||||
self.assertRaisesMessage(
|
||||
InfoSystemExit,
|
||||
'Invalid arguments',
|
||||
parse_get_node_args, options, args.split())
|
||||
# object.ring.gz a/c/o/blah/blah
|
||||
options = Namespace(policy_name=None)
|
||||
args = 'object.ring.gz a/c/o/blah/blah'
|
||||
with mock.patch('swift.cli.info.os.path.exists') as exists:
|
||||
exists.return_value = True
|
||||
ring_path, args = parse_get_node_args(options, args.split())
|
||||
self.assertEqual(ring_path, 'object.ring.gz')
|
||||
self.assertEqual(args, ['a', 'c', 'o/blah/blah'])
|
||||
|
||||
# object.ring.gz -p 1
|
||||
options = Namespace(policy_name=None, partition='1')
|
||||
args = 'object.ring.gz'
|
||||
with mock.patch('swift.cli.info.os.path.exists') as exists:
|
||||
exists.return_value = True
|
||||
ring_path, args = parse_get_node_args(options, args.split())
|
||||
self.assertEqual(ring_path, 'object.ring.gz')
|
||||
self.assertFalse(args)
|
||||
# object.ring.gz -p 1 a c o
|
||||
options = Namespace(policy_name=None, partition='1')
|
||||
args = 'object.ring.gz a c o'
|
||||
with mock.patch('swift.cli.info.os.path.exists') as exists:
|
||||
exists.return_value = True
|
||||
ring_path, args = parse_get_node_args(options, args.split())
|
||||
self.assertEqual(ring_path, 'object.ring.gz')
|
||||
self.assertEqual(args, ['a', 'c', 'o'])
|
||||
# object.ring.gz -p 1 a c o forth_arg
|
||||
options = Namespace(policy_name=None, partition='1')
|
||||
args = 'object.ring.gz a c o forth_arg'
|
||||
with mock.patch('swift.cli.info.os.path.exists') as exists:
|
||||
exists.return_value = True
|
||||
self.assertRaisesMessage(
|
||||
InfoSystemExit,
|
||||
'Invalid arguments',
|
||||
parse_get_node_args, options, args.split())
|
||||
# object.ring.gz -p 1 a/c/o
|
||||
options = Namespace(policy_name=None, partition='1')
|
||||
args = 'object.ring.gz a/c/o'
|
||||
with mock.patch('swift.cli.info.os.path.exists') as exists:
|
||||
exists.return_value = True
|
||||
ring_path, args = parse_get_node_args(options, args.split())
|
||||
self.assertEqual(ring_path, 'object.ring.gz')
|
||||
self.assertEqual(args, ['a', 'c', 'o'])
|
||||
# object.ring.gz -p 1 a/c/junk/test.ring.gz
|
||||
options = Namespace(policy_name=None, partition='1')
|
||||
args = 'object.ring.gz a/c/junk/test.ring.gz'
|
||||
with mock.patch('swift.cli.info.os.path.exists') as exists:
|
||||
exists.return_value = True
|
||||
ring_path, args = parse_get_node_args(options, args.split())
|
||||
self.assertEqual(ring_path, 'object.ring.gz')
|
||||
self.assertEqual(args, ['a', 'c', 'junk/test.ring.gz'])
|
||||
# object.ring.gz -p 1 a/c/photos/cat.jpg
|
||||
options = Namespace(policy_name=None, partition='1')
|
||||
args = 'object.ring.gz a/c/photos/cat.jpg'
|
||||
with mock.patch('swift.cli.info.os.path.exists') as exists:
|
||||
exists.return_value = True
|
||||
ring_path, args = parse_get_node_args(options, args.split())
|
||||
self.assertEqual(ring_path, 'object.ring.gz')
|
||||
self.assertEqual(args, ['a', 'c', 'photos/cat.jpg'])
|
||||
|
||||
# --all object.ring.gz a
|
||||
options = Namespace(all=True, policy_name=None)
|
||||
args = 'object.ring.gz a'
|
||||
with mock.patch('swift.cli.info.os.path.exists') as exists:
|
||||
exists.return_value = True
|
||||
ring_path, args = parse_get_node_args(options, args.split())
|
||||
self.assertEqual(ring_path, 'object.ring.gz')
|
||||
self.assertEqual(args, ['a'])
|
||||
# --all object.ring.gz a c
|
||||
options = Namespace(all=True, policy_name=None)
|
||||
args = 'object.ring.gz a c'
|
||||
with mock.patch('swift.cli.info.os.path.exists') as exists:
|
||||
exists.return_value = True
|
||||
ring_path, args = parse_get_node_args(options, args.split())
|
||||
self.assertEqual(ring_path, 'object.ring.gz')
|
||||
self.assertEqual(args, ['a', 'c'])
|
||||
# --all object.ring.gz a c o
|
||||
options = Namespace(all=True, policy_name=None)
|
||||
args = 'object.ring.gz a c o'
|
||||
with mock.patch('swift.cli.info.os.path.exists') as exists:
|
||||
exists.return_value = True
|
||||
ring_path, args = parse_get_node_args(options, args.split())
|
||||
self.assertEqual(ring_path, 'object.ring.gz')
|
||||
self.assertEqual(args, ['a', 'c', 'o'])
|
||||
# object.ring.gz account container photos/cat.jpg
|
||||
options = Namespace(policy_name=None, partition=None)
|
||||
args = 'object.ring.gz account container photos/cat.jpg'
|
||||
with mock.patch('swift.cli.info.os.path.exists') as exists:
|
||||
exists.return_value = True
|
||||
ring_path, args = parse_get_node_args(options, args.split())
|
||||
self.assertEqual(ring_path, 'object.ring.gz')
|
||||
self.assertEqual(args, ['account', 'container', 'photos/cat.jpg'])
|
||||
# object.ring.gz /account/container/photos/cat.jpg
|
||||
options = Namespace(policy_name=None, partition=None)
|
||||
args = 'object.ring.gz account/container/photos/cat.jpg'
|
||||
with mock.patch('swift.cli.info.os.path.exists') as exists:
|
||||
exists.return_value = True
|
||||
ring_path, args = parse_get_node_args(options, args.split())
|
||||
self.assertEqual(ring_path, 'object.ring.gz')
|
||||
self.assertEqual(args, ['account', 'container', 'photos/cat.jpg'])
|
||||
# Object name ends with 'ring.gz'
|
||||
# object.ring.gz /account/container/junk/test.ring.gz
|
||||
options = Namespace(policy_name=None, partition=None)
|
||||
args = 'object.ring.gz account/container/junk/test.ring.gz'
|
||||
with mock.patch('swift.cli.info.os.path.exists') as exists:
|
||||
exists.return_value = True
|
||||
ring_path, args = parse_get_node_args(options, args.split())
|
||||
self.assertEqual(ring_path, 'object.ring.gz')
|
||||
self.assertEqual(args, ['account', 'container', 'junk/test.ring.gz'])
|
||||
|
||||
|
||||
class TestPrintObj(TestCliInfoBase):
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user