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-rw-r--r--nova/api/openstack/common.py11
-rw-r--r--nova/tests/api/openstack/test_common.py20
-rw-r--r--nova/tests/api/openstack/test_servers.py28
3 files changed, 39 insertions, 20 deletions
diff --git a/nova/api/openstack/common.py b/nova/api/openstack/common.py
index 9f85c5c8a..f7a9cc3f0 100644
--- a/nova/api/openstack/common.py
+++ b/nova/api/openstack/common.py
@@ -36,15 +36,18 @@ def limited(items, request, max_limit=1000):
try:
offset = int(request.GET.get('offset', 0))
except ValueError:
- offset = 0
+ raise webob.exc.HTTPBadRequest(_('offset param must be an integer'))
try:
limit = int(request.GET.get('limit', max_limit))
except ValueError:
- limit = max_limit
+ raise webob.exc.HTTPBadRequest(_('limit param must be an integer'))
- if offset < 0 or limit < 0:
- raise webob.exc.HTTPBadRequest()
+ if limit < 0:
+ raise webob.exc.HTTPBadRequest(_('limit param must be positive'))
+
+ if offset < 0:
+ raise webob.exc.HTTPBadRequest(_('offset param must be positive'))
limit = min(max_limit, limit or max_limit)
range_end = offset + limit
diff --git a/nova/tests/api/openstack/test_common.py b/nova/tests/api/openstack/test_common.py
index 92023362c..8f57c5b67 100644
--- a/nova/tests/api/openstack/test_common.py
+++ b/nova/tests/api/openstack/test_common.py
@@ -79,20 +79,14 @@ class LimiterTest(test.TestCase):
Test offset key works with a blank offset.
"""
req = Request.blank('/?offset=')
- self.assertEqual(limited(self.tiny, req), self.tiny)
- self.assertEqual(limited(self.small, req), self.small)
- self.assertEqual(limited(self.medium, req), self.medium)
- self.assertEqual(limited(self.large, req), self.large[:1000])
+ self.assertRaises(webob.exc.HTTPBadRequest, limited, self.tiny, req)
def test_limiter_offset_bad(self):
"""
Test offset key works with a BAD offset.
"""
req = Request.blank(u'/?offset=\u0020aa')
- self.assertEqual(limited(self.tiny, req), self.tiny)
- self.assertEqual(limited(self.small, req), self.small)
- self.assertEqual(limited(self.medium, req), self.medium)
- self.assertEqual(limited(self.large, req), self.large[:1000])
+ self.assertRaises(webob.exc.HTTPBadRequest, limited, self.tiny, req)
def test_limiter_nothing(self):
"""
@@ -166,18 +160,12 @@ class LimiterTest(test.TestCase):
"""
Test a negative limit.
"""
- def _limit_large():
- limited(self.large, req, max_limit=2000)
-
req = Request.blank('/?limit=-3000')
- self.assertRaises(webob.exc.HTTPBadRequest, _limit_large)
+ self.assertRaises(webob.exc.HTTPBadRequest, limited, self.tiny, req)
def test_limiter_negative_offset(self):
"""
Test a negative offset.
"""
- def _limit_large():
- limited(self.large, req, max_limit=2000)
-
req = Request.blank('/?offset=-30')
- self.assertRaises(webob.exc.HTTPBadRequest, _limit_large)
+ self.assertRaises(webob.exc.HTTPBadRequest, limited, self.tiny, req)
diff --git a/nova/tests/api/openstack/test_servers.py b/nova/tests/api/openstack/test_servers.py
index 78beb7df9..10fb2bafb 100644
--- a/nova/tests/api/openstack/test_servers.py
+++ b/nova/tests/api/openstack/test_servers.py
@@ -184,6 +184,34 @@ class ServersTest(test.TestCase):
self.assertEqual(s.get('imageId', None), None)
i += 1
+ def test_get_servers_with_limit(self):
+ req = webob.Request.blank('/v1.0/servers?limit=3')
+ res = req.get_response(fakes.wsgi_app())
+ servers = json.loads(res.body)['servers']
+ self.assertEqual([s['id'] for s in servers], [0, 1, 2])
+
+ req = webob.Request.blank('/v1.0/servers?limit=aaa')
+ res = req.get_response(fakes.wsgi_app())
+ self.assertEqual(res.status_int, 400)
+ self.assertTrue('limit' in res.body)
+
+ def test_get_servers_with_offset(self):
+ req = webob.Request.blank('/v1.0/servers?offset=2')
+ res = req.get_response(fakes.wsgi_app())
+ servers = json.loads(res.body)['servers']
+ self.assertEqual([s['id'] for s in servers], [2, 3, 4])
+
+ req = webob.Request.blank('/v1.0/servers?offset=aaa')
+ res = req.get_response(fakes.wsgi_app())
+ self.assertEqual(res.status_int, 400)
+ self.assertTrue('offset' in res.body)
+
+ def test_get_servers_with_limit_and_offset(self):
+ req = webob.Request.blank('/v1.0/servers?limit=2&offset=1')
+ res = req.get_response(fakes.wsgi_app())
+ servers = json.loads(res.body)['servers']
+ self.assertEqual([s['id'] for s in servers], [1, 2])
+
def test_create_instance(self):
def instance_create(context, inst):
return {'id': '1', 'display_name': ''}