132 lines
4.1 KiB
Python
132 lines
4.1 KiB
Python
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import requests
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from requests import exceptions
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from oslo.config import cfg
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from six.moves import cStringIO
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from heat.common import urlfetch
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from heat.tests.common import HeatTestCase
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from heat.openstack.common.py3kcompat import urlutils
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class Response:
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def __init__(self, buf=''):
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self.buf = buf
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def iter_content(self, chunk_size=1):
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while self.buf:
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yield self.buf[:chunk_size]
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self.buf = self.buf[chunk_size:]
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def raise_for_status(self):
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pass
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class UrlFetchTest(HeatTestCase):
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def setUp(self):
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super(UrlFetchTest, self).setUp()
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self.m.StubOutWithMock(requests, 'get')
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def test_file_scheme_default_behaviour(self):
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self.m.ReplayAll()
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self.assertRaises(IOError, urlfetch.get, 'file:///etc/profile')
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self.m.VerifyAll()
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def test_file_scheme_supported(self):
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data = '{ "foo": "bar" }'
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url = 'file:///etc/profile'
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self.m.StubOutWithMock(urlutils, 'urlopen')
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urlutils.urlopen(url).AndReturn(cStringIO(data))
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self.m.ReplayAll()
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self.assertEqual(data, urlfetch.get(url, allowed_schemes=['file']))
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self.m.VerifyAll()
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def test_file_scheme_failure(self):
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url = 'file:///etc/profile'
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self.m.StubOutWithMock(urlutils, 'urlopen')
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urlutils.urlopen(url).AndRaise(urlutils.URLError('oops'))
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self.m.ReplayAll()
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self.assertRaises(IOError, urlfetch.get, url, allowed_schemes=['file'])
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self.m.VerifyAll()
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def test_http_scheme(self):
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url = 'http://example.com/template'
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data = '{ "foo": "bar" }'
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response = Response(data)
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requests.get(url, stream=True).AndReturn(response)
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self.m.ReplayAll()
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self.assertEqual(data, urlfetch.get(url))
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self.m.VerifyAll()
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def test_https_scheme(self):
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url = 'https://example.com/template'
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data = '{ "foo": "bar" }'
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response = Response(data)
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requests.get(url, stream=True).AndReturn(response)
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self.m.ReplayAll()
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self.assertEqual(data, urlfetch.get(url))
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self.m.VerifyAll()
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def test_http_error(self):
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url = 'http://example.com/template'
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requests.get(url, stream=True).AndRaise(exceptions.HTTPError())
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self.m.ReplayAll()
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self.assertRaises(IOError, urlfetch.get, url)
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self.m.VerifyAll()
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def test_non_exist_url(self):
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url = 'http://non-exist.com/template'
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requests.get(url, stream=True).AndRaise(exceptions.Timeout())
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self.m.ReplayAll()
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self.assertRaises(IOError, urlfetch.get, url)
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self.m.VerifyAll()
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def test_garbage(self):
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self.m.ReplayAll()
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self.assertRaises(IOError, urlfetch.get, 'wibble')
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self.m.VerifyAll()
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def test_max_fetch_size_okay(self):
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url = 'http://example.com/template'
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data = '{ "foo": "bar" }'
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response = Response(data)
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cfg.CONF.set_override('max_template_size', 500)
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requests.get(url, stream=True).AndReturn(response)
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self.m.ReplayAll()
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urlfetch.get(url)
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self.m.VerifyAll()
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def test_max_fetch_size_error(self):
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url = 'http://example.com/template'
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data = '{ "foo": "bar" }'
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response = Response(data)
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cfg.CONF.set_override('max_template_size', 5)
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requests.get(url, stream=True).AndReturn(response)
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self.m.ReplayAll()
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exception = self.assertRaises(IOError, urlfetch.get, url)
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self.assertIn("Template exceeds", str(exception))
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self.m.VerifyAll()
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