Files
python-cinderclient/cinderclient/tests/test_utils.py
Alessio Ababilov a7cce08eab Use exceptions from oslo
These exceptions can be used in novaclient, keystoneclient,
glanceclient, and other client projects.

Partially implements: blueprint common-client-library

Change-Id: I43918316622b1c1d722872fe30199db6a3a7bb76
2013-07-01 11:55:31 +03:00

128 lines
3.4 KiB
Python

import collections
import sys
from six import moves
from cinderclient.openstack.common.apiclient import exceptions
from cinderclient import utils
from cinderclient import base
from cinderclient.tests import utils as test_utils
UUID = '8e8ec658-c7b0-4243-bdf8-6f7f2952c0d0'
class FakeResource(object):
def __init__(self, _id, properties):
self.id = _id
try:
self.name = properties['name']
except KeyError:
pass
try:
self.display_name = properties['display_name']
except KeyError:
pass
class FakeManager(base.ManagerWithFind):
resource_class = FakeResource
resources = [
FakeResource('1234', {'name': 'entity_one'}),
FakeResource(UUID, {'name': 'entity_two'}),
FakeResource('4242', {'display_name': 'entity_three'}),
FakeResource('5678', {'name': '9876'})
]
def get(self, resource_id):
for resource in self.resources:
if resource.id == str(resource_id):
return resource
raise exceptions.NotFound(resource_id)
def list(self):
return self.resources
class FindResourceTestCase(test_utils.TestCase):
def setUp(self):
super(FindResourceTestCase, self).setUp()
self.manager = FakeManager(None)
def test_find_none(self):
self.assertRaises(exceptions.CommandError,
utils.find_resource,
self.manager,
'asdf')
def test_find_by_integer_id(self):
output = utils.find_resource(self.manager, 1234)
self.assertEqual(output, self.manager.get('1234'))
def test_find_by_str_id(self):
output = utils.find_resource(self.manager, '1234')
self.assertEqual(output, self.manager.get('1234'))
def test_find_by_uuid(self):
output = utils.find_resource(self.manager, UUID)
self.assertEqual(output, self.manager.get(UUID))
def test_find_by_str_name(self):
output = utils.find_resource(self.manager, 'entity_one')
self.assertEqual(output, self.manager.get('1234'))
def test_find_by_str_displayname(self):
output = utils.find_resource(self.manager, 'entity_three')
self.assertEqual(output, self.manager.get('4242'))
class CaptureStdout(object):
"""Context manager for capturing stdout from statments in its's block."""
def __enter__(self):
self.real_stdout = sys.stdout
self.stringio = moves.StringIO()
sys.stdout = self.stringio
return self
def __exit__(self, *args):
sys.stdout = self.real_stdout
self.stringio.seek(0)
self.read = self.stringio.read
class PrintListTestCase(test_utils.TestCase):
def test_print_list_with_list(self):
Row = collections.namedtuple('Row', ['a', 'b'])
to_print = [Row(a=1, b=2), Row(a=3, b=4)]
with CaptureStdout() as cso:
utils.print_list(to_print, ['a', 'b'])
self.assertEqual(cso.read(), """\
+---+---+
| a | b |
+---+---+
| 1 | 2 |
| 3 | 4 |
+---+---+
""")
def test_print_list_with_generator(self):
Row = collections.namedtuple('Row', ['a', 'b'])
def gen_rows():
for row in [Row(a=1, b=2), Row(a=3, b=4)]:
yield row
with CaptureStdout() as cso:
utils.print_list(gen_rows(), ['a', 'b'])
self.assertEqual(cso.read(), """\
+---+---+
| a | b |
+---+---+
| 1 | 2 |
| 3 | 4 |
+---+---+
""")