238 lines
7.7 KiB
Python
238 lines
7.7 KiB
Python
# Copyright 2011 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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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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"""Unit tests for `nova.wsgi`."""
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import os.path
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import tempfile
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import testtools
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import eventlet
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import eventlet.wsgi
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import requests
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import nova.exception
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from nova import test
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from nova.tests import utils
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import nova.wsgi
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from oslo.config import cfg
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import urllib2
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import webob
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SSL_CERT_DIR = os.path.normpath(os.path.join(
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os.path.dirname(os.path.abspath(__file__)),
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'ssl_cert'))
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CONF = cfg.CONF
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class TestLoaderNothingExists(test.NoDBTestCase):
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"""Loader tests where os.path.exists always returns False."""
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def setUp(self):
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super(TestLoaderNothingExists, self).setUp()
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self.stubs.Set(os.path, 'exists', lambda _: False)
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def test_relpath_config_not_found(self):
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self.flags(api_paste_config='api-paste.ini')
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self.assertRaises(
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nova.exception.ConfigNotFound,
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nova.wsgi.Loader,
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)
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def test_asbpath_config_not_found(self):
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self.flags(api_paste_config='/etc/nova/api-paste.ini')
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self.assertRaises(
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nova.exception.ConfigNotFound,
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nova.wsgi.Loader,
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)
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class TestLoaderNormalFilesystem(test.NoDBTestCase):
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"""Loader tests with normal filesystem (unmodified os.path module)."""
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_paste_config = """
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[app:test_app]
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use = egg:Paste#static
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document_root = /tmp
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"""
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def setUp(self):
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super(TestLoaderNormalFilesystem, self).setUp()
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self.config = tempfile.NamedTemporaryFile(mode="w+t")
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self.config.write(self._paste_config.lstrip())
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self.config.seek(0)
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self.config.flush()
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self.loader = nova.wsgi.Loader(self.config.name)
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def test_config_found(self):
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self.assertEqual(self.config.name, self.loader.config_path)
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def test_app_not_found(self):
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self.assertRaises(
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nova.exception.PasteAppNotFound,
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self.loader.load_app,
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"nonexistent app",
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)
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def test_app_found(self):
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url_parser = self.loader.load_app("test_app")
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self.assertEqual("/tmp", url_parser.directory)
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def tearDown(self):
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self.config.close()
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super(TestLoaderNormalFilesystem, self).tearDown()
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class TestWSGIServer(test.NoDBTestCase):
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"""WSGI server tests."""
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def test_no_app(self):
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server = nova.wsgi.Server("test_app", None)
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self.assertEqual("test_app", server.name)
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def test_custom_max_header_line(self):
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CONF.max_header_line = 4096 # Default value is 16384.
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server = nova.wsgi.Server("test_custom_max_header_line", None)
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self.assertEqual(CONF.max_header_line, eventlet.wsgi.MAX_HEADER_LINE)
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def test_start_random_port(self):
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server = nova.wsgi.Server("test_random_port", None,
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host="127.0.0.1", port=0)
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server.start()
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self.assertNotEqual(0, server.port)
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server.stop()
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server.wait()
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@testtools.skipIf(not utils.is_ipv6_supported(), "no ipv6 support")
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def test_start_random_port_with_ipv6(self):
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server = nova.wsgi.Server("test_random_port", None,
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host="::1", port=0)
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server.start()
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self.assertEqual("::1", server.host)
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self.assertNotEqual(0, server.port)
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server.stop()
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server.wait()
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def test_uri_length_limit(self):
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server = nova.wsgi.Server("test_uri_length_limit", None,
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host="127.0.0.1", max_url_len=16384)
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server.start()
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uri = "http://127.0.0.1:%d/%s" % (server.port, 10000 * 'x')
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resp = requests.get(uri)
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eventlet.sleep(0)
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self.assertNotEqual(resp.status_code,
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requests.codes.REQUEST_URI_TOO_LARGE)
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uri = "http://127.0.0.1:%d/%s" % (server.port, 20000 * 'x')
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resp = requests.get(uri)
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eventlet.sleep(0)
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self.assertEqual(resp.status_code,
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requests.codes.REQUEST_URI_TOO_LARGE)
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server.stop()
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server.wait()
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class TestWSGIServerWithSSL(test.NoDBTestCase):
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"""WSGI server with SSL tests."""
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def setUp(self):
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super(TestWSGIServerWithSSL, self).setUp()
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self.flags(enabled_ssl_apis=['fake_ssl'],
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ssl_cert_file=os.path.join(SSL_CERT_DIR, 'certificate.crt'),
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ssl_key_file=os.path.join(SSL_CERT_DIR, 'privatekey.key'))
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def test_ssl_server(self):
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def test_app(env, start_response):
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start_response('200 OK', {})
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return ['PONG']
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fake_ssl_server = nova.wsgi.Server("fake_ssl", test_app,
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host="127.0.0.1", port=0,
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use_ssl=True)
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fake_ssl_server.start()
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self.assertNotEqual(0, fake_ssl_server.port)
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cli = eventlet.connect(("localhost", fake_ssl_server.port))
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cli = eventlet.wrap_ssl(cli,
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ca_certs=os.path.join(SSL_CERT_DIR, 'ca.crt'))
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cli.write('POST / HTTP/1.1\r\nHost: localhost\r\n'
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'Connection: close\r\nContent-length:4\r\n\r\nPING')
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response = cli.read(8192)
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self.assertEqual(response[-4:], "PONG")
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fake_ssl_server.stop()
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fake_ssl_server.wait()
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def test_two_servers(self):
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def test_app(env, start_response):
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start_response('200 OK', {})
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return ['PONG']
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fake_ssl_server = nova.wsgi.Server("fake_ssl", test_app,
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host="127.0.0.1", port=0, use_ssl=True)
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fake_ssl_server.start()
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self.assertNotEqual(0, fake_ssl_server.port)
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fake_server = nova.wsgi.Server("fake", test_app,
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host="127.0.0.1", port=0)
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fake_server.start()
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self.assertNotEqual(0, fake_server.port)
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cli = eventlet.connect(("localhost", fake_ssl_server.port))
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cli = eventlet.wrap_ssl(cli,
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ca_certs=os.path.join(SSL_CERT_DIR, 'ca.crt'))
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cli.write('POST / HTTP/1.1\r\nHost: localhost\r\n'
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'Connection: close\r\nContent-length:4\r\n\r\nPING')
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response = cli.read(8192)
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self.assertEqual(response[-4:], "PONG")
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cli = eventlet.connect(("localhost", fake_server.port))
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cli.sendall('POST / HTTP/1.1\r\nHost: localhost\r\n'
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'Connection: close\r\nContent-length:4\r\n\r\nPING')
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response = cli.recv(8192)
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self.assertEqual(response[-4:], "PONG")
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fake_ssl_server.stop()
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fake_ssl_server.wait()
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@testtools.skipIf(not utils.is_ipv6_supported(), "no ipv6 support")
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def test_app_using_ipv6_and_ssl(self):
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greetings = 'Hello, World!!!'
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@webob.dec.wsgify
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def hello_world(req):
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return greetings
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server = nova.wsgi.Server("fake_ssl",
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hello_world,
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host="::1",
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port=0,
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use_ssl=True)
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server.start()
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response = urllib2.urlopen('https://[::1]:%d/' % server.port)
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self.assertEqual(greetings, response.read())
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server.stop()
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server.wait()
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