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#
# Copyright 2013 OpenStack Foundation
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.
"""
Tests for cinder.api.contrib.quotas.py
"""
from lxml import etree
import webob.exc
from cinder.api.contrib import quotas
from cinder import context
from cinder import db
from cinder import test
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def make_body(root=True, gigabytes=1000, snapshots=10,
              volumes=10, tenant_id='foo'):
    resources = {'gigabytes': gigabytes,
                 'snapshots': snapshots,
                 'volumes': volumes}
    # need to consider preexisting volume types as well
    volume_types = db.volume_type_get_all(context.get_admin_context())
    for volume_type in volume_types:
        resources['gigabytes_' + volume_type] = -1
        resources['snapshots_' + volume_type] = -1
        resources['volumes_' + volume_type] = -1
    if tenant_id:
        resources['id'] = tenant_id
    if root:
        result = {'quota_set': resources}
    else:
        result = resources
    return result
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class QuotaSetsControllerTest(test.TestCase):
    
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    def setUp(self):
        super(QuotaSetsControllerTest, self).setUp()
        self.controller = quotas.QuotaSetsController()
        self.req = self.mox.CreateMockAnything()
        self.req.environ = {'cinder.context': context.get_admin_context()}
        self.req.environ['cinder.context'].is_admin = True
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    def test_defaults(self):
        result = self.controller.defaults(self.req, 'foo')
        self.assertDictMatch(result, make_body())
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    def test_show(self):
        result = self.controller.show(self.req, 'foo')
        self.assertDictMatch(result, make_body())
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    def test_show_not_authorized(self):
        self.req.environ['cinder.context'].is_admin = False
        self.req.environ['cinder.context'].user_id = 'bad_user'
        self.req.environ['cinder.context'].project_id = 'bad_project'
        self.assertRaises(webob.exc.HTTPForbidden, self.controller.show,
                          self.req, 'foo')
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    def test_update(self):
        body = make_body(gigabytes=2000, snapshots=15,
                         volumes=5, tenant_id=None)
        result = self.controller.update(self.req, 'foo', body)
        self.assertDictMatch(result, body)
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    def test_update_wrong_key(self):
        body = {'quota_set': {'bad': 'bad'}}
        self.assertRaises(webob.exc.HTTPBadRequest, self.controller.update,
                          self.req, 'foo', body)
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    def test_update_invalid_key_value(self):
        body = {'quota_set': {'gigabytes': "should_be_int"}}
        self.assertRaises(webob.exc.HTTPBadRequest, self.controller.update,
                          self.req, 'foo', body)
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    def test_update_bad_quota_limit(self):
        body = {'quota_set': {'gigabytes': -1000}}
        self.assertRaises(webob.exc.HTTPBadRequest, self.controller.update,
                          self.req, 'foo', body)
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    def test_update_no_admin(self):
        self.req.environ['cinder.context'].is_admin = False
        self.assertRaises(webob.exc.HTTPForbidden, self.controller.update,
                          self.req, 'foo', make_body(tenant_id=None))
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    def test_update_without_quota_set_field(self):
        body = {'fake_quota_set': {'gigabytes': 100}}
        self.assertRaises(webob.exc.HTTPBadRequest, self.controller.update,
                          self.req, 'foo', body)
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    def test_update_empty_body(self):
        body = {}
        self.assertRaises(webob.exc.HTTPBadRequest, self.controller.update,
                          self.req, 'foo', body)
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    def test_delete(self):
        result_show = self.controller.show(self.req, 'foo')
        self.assertDictMatch(result_show, make_body())
        body = make_body(gigabytes=2000, snapshots=15,
                         volumes=5, tenant_id=None)
        result_update = self.controller.update(self.req, 'foo', body)
        self.assertDictMatch(result_update, body)
        self.controller.delete(self.req, 'foo')
        result_show_after = self.controller.show(self.req, 'foo')
        self.assertDictMatch(result_show, result_show_after)
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    def test_delete_no_admin(self):
        self.req.environ['cinder.context'].is_admin = False
        self.assertRaises(webob.exc.HTTPForbidden, self.controller.delete,
                          self.req, 'test')
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class QuotaSerializerTest(test.TestCase):
    
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    def setUp(self):
        super(QuotaSerializerTest, self).setUp()
        self.req = self.mox.CreateMockAnything()
        self.req.environ = {'cinder.context': context.get_admin_context()}
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    def test_update_serializer(self):
        serializer = quotas.QuotaTemplate()
        quota_set = make_body(root=False)
        text = serializer.serialize({'quota_set': quota_set})
        tree = etree.fromstring(text)
        self.assertEqual(tree.tag, 'quota_set')
        self.assertEqual(tree.get('id'), quota_set['id'])
        body = make_body(root=False, tenant_id=None)
        for node in tree:
            self.assertIn(node.tag, body)
            self.assertEqual(str(body[node.tag]), node.text)