| jianghua wang | d22514a | 2017-05-08 08:05:04 +0100 | [diff] [blame^] | 1 | # Copyright 2017 Citrix Systems |
| 2 | # All Rights Reserved. |
| 3 | # |
| 4 | # Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 5 | # not use this file except in compliance with the License. You may obtain |
| 6 | # a copy of the License at |
| 7 | # |
| 8 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | # |
| 10 | # Unless required by applicable law or agreed to in writing, software |
| 11 | # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 12 | # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 13 | # License for the specific language governing permissions and limitations |
| 14 | # under the License. |
| 15 | |
| 16 | from six.moves.urllib import parse as urlparse |
| 17 | |
| 18 | import mock |
| 19 | |
| 20 | from tempest.common import compute |
| 21 | from tempest.tests import base |
| 22 | |
| 23 | |
| 24 | class TestCompute(base.TestCase): |
| 25 | def setUp(self): |
| 26 | super(TestCompute, self).setUp() |
| 27 | self.client_sock = mock.Mock() |
| 28 | self.url = urlparse.urlparse("http://www.fake.com:80") |
| 29 | |
| 30 | def test_rfp_frame_not_cached(self): |
| 31 | # rfp negotiation frame arrived separately after upgrade |
| 32 | # response, so it's not cached. |
| 33 | RFP_VERSION = b'RFB.003.003\x0a' |
| 34 | rfp_frame_header = b'\x82\x0c' |
| 35 | |
| 36 | self.client_sock.recv.side_effect = [ |
| 37 | b'fake response start\r\n', |
| 38 | b'fake response end\r\n\r\n', |
| 39 | rfp_frame_header, |
| 40 | RFP_VERSION] |
| 41 | expect_response = b'fake response start\r\nfake response end\r\n\r\n' |
| 42 | |
| 43 | webSocket = compute._WebSocket(self.client_sock, self.url) |
| 44 | |
| 45 | self.assertEqual(webSocket.response, expect_response) |
| 46 | # no cache |
| 47 | self.assertEqual(webSocket.cached_stream, b'') |
| 48 | self.client_sock.recv.assert_has_calls([mock.call(4096), |
| 49 | mock.call(4096)]) |
| 50 | |
| 51 | self.client_sock.recv.reset_mock() |
| 52 | recv_version = webSocket.receive_frame() |
| 53 | |
| 54 | self.assertEqual(recv_version, RFP_VERSION) |
| 55 | self.client_sock.recv.assert_has_calls([mock.call(2), |
| 56 | mock.call(12)]) |
| 57 | |
| 58 | def test_rfp_frame_fully_cached(self): |
| 59 | RFP_VERSION = b'RFB.003.003\x0a' |
| 60 | rfp_version_frame = b'\x82\x0c%s' % RFP_VERSION |
| 61 | |
| 62 | self.client_sock.recv.side_effect = [ |
| 63 | b'fake response start\r\n', |
| 64 | b'fake response end\r\n\r\n%s' % rfp_version_frame] |
| 65 | expect_response = b'fake response start\r\nfake response end\r\n\r\n' |
| 66 | webSocket = compute._WebSocket(self.client_sock, self.url) |
| 67 | |
| 68 | self.client_sock.recv.assert_has_calls([mock.call(4096), |
| 69 | mock.call(4096)]) |
| 70 | self.assertEqual(webSocket.response, expect_response) |
| 71 | self.assertEqual(webSocket.cached_stream, rfp_version_frame) |
| 72 | |
| 73 | self.client_sock.recv.reset_mock() |
| 74 | recv_version = webSocket.receive_frame() |
| 75 | |
| 76 | self.client_sock.recv.assert_not_called() |
| 77 | self.assertEqual(recv_version, RFP_VERSION) |
| 78 | # cached_stream should be empty in the end. |
| 79 | self.assertEqual(webSocket.cached_stream, b'') |
| 80 | |
| 81 | def test_rfp_frame_partially_cached(self): |
| 82 | RFP_VERSION = b'RFB.003.003\x0a' |
| 83 | rfp_version_frame = b'\x82\x0c%s' % RFP_VERSION |
| 84 | frame_part1 = rfp_version_frame[:6] |
| 85 | frame_part2 = rfp_version_frame[6:] |
| 86 | |
| 87 | self.client_sock.recv.side_effect = [ |
| 88 | b'fake response start\r\n', |
| 89 | b'fake response end\r\n\r\n%s' % frame_part1, |
| 90 | frame_part2] |
| 91 | expect_response = b'fake response start\r\nfake response end\r\n\r\n' |
| 92 | webSocket = compute._WebSocket(self.client_sock, self.url) |
| 93 | |
| 94 | self.client_sock.recv.assert_has_calls([mock.call(4096), |
| 95 | mock.call(4096)]) |
| 96 | self.assertEqual(webSocket.response, expect_response) |
| 97 | self.assertEqual(webSocket.cached_stream, frame_part1) |
| 98 | |
| 99 | self.client_sock.recv.reset_mock() |
| 100 | |
| 101 | recv_version = webSocket.receive_frame() |
| 102 | |
| 103 | self.client_sock.recv.assert_called_once_with(len(frame_part2)) |
| 104 | self.assertEqual(recv_version, RFP_VERSION) |
| 105 | # cached_stream should be empty in the end. |
| 106 | self.assertEqual(webSocket.cached_stream, b'') |