Mercurial > hg
annotate tests/test-wireproto-clientreactor.py @ 37544:55b5ba8d4e68
wireproto: client reactor support for receiving frames
We can now feed received frames into the client reactor and it will
validate their sanity, dispatch them appropriately.
The hacky HTTP peer has been updated to use the new code. No
existing tests changed, somewhat proving the code works as
expected.
Rudimentary unit tests for the new functionality have been
implemented.
Differential Revision: https://phab.mercurial-scm.org/D3224
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 09 Apr 2018 16:54:20 -0700 |
parents | 01361be9e2dc |
children | e6870bca1f47 |
rev | line source |
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1 from __future__ import absolute_import |
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2 |
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3 import unittest |
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4 |
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5 from mercurial import ( |
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6 error, |
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7 wireprotoframing as framing, |
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8 ) |
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9 |
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10 ffs = framing.makeframefromhumanstring |
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11 |
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12 def sendframe(reactor, frame): |
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13 """Send a frame bytearray to a reactor.""" |
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14 header = framing.parseheader(frame) |
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15 payload = frame[framing.FRAME_HEADER_SIZE:] |
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16 assert len(payload) == header.length |
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17 |
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18 return reactor.onframerecv(framing.frame(header.requestid, |
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19 header.streamid, |
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20 header.streamflags, |
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21 header.typeid, |
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22 header.flags, |
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23 payload)) |
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24 |
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25 class SingleSendTests(unittest.TestCase): |
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26 """A reactor that can only send once rejects subsequent sends.""" |
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27 def testbasic(self): |
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28 reactor = framing.clientreactor(hasmultiplesend=False, buffersends=True) |
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29 |
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30 request, action, meta = reactor.callcommand(b'foo', {}) |
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31 self.assertEqual(request.state, 'pending') |
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32 self.assertEqual(action, 'noop') |
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33 |
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34 action, meta = reactor.flushcommands() |
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35 self.assertEqual(action, 'sendframes') |
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36 |
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37 for frame in meta['framegen']: |
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38 self.assertEqual(request.state, 'sending') |
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39 |
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40 self.assertEqual(request.state, 'sent') |
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41 |
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42 with self.assertRaisesRegexp(error.ProgrammingError, |
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43 'cannot issue new commands'): |
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44 reactor.callcommand(b'foo', {}) |
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45 |
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46 with self.assertRaisesRegexp(error.ProgrammingError, |
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47 'cannot issue new commands'): |
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48 reactor.callcommand(b'foo', {}) |
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49 |
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50 class NoBufferTests(unittest.TestCase): |
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51 """A reactor without send buffering sends requests immediately.""" |
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52 def testbasic(self): |
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53 reactor = framing.clientreactor(hasmultiplesend=True, buffersends=False) |
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54 |
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55 request, action, meta = reactor.callcommand(b'command1', {}) |
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56 self.assertEqual(request.requestid, 1) |
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57 self.assertEqual(action, 'sendframes') |
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58 |
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59 self.assertEqual(request.state, 'pending') |
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60 |
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61 for frame in meta['framegen']: |
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62 self.assertEqual(request.state, 'sending') |
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63 |
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64 self.assertEqual(request.state, 'sent') |
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65 |
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66 action, meta = reactor.flushcommands() |
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67 self.assertEqual(action, 'noop') |
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68 |
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69 # And we can send another command. |
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70 request, action, meta = reactor.callcommand(b'command2', {}) |
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71 self.assertEqual(request.requestid, 3) |
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72 self.assertEqual(action, 'sendframes') |
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73 |
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74 for frame in meta['framegen']: |
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75 self.assertEqual(request.state, 'sending') |
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76 |
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77 self.assertEqual(request.state, 'sent') |
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78 |
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79 class BadFrameRecvTests(unittest.TestCase): |
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80 def testoddstream(self): |
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81 reactor = framing.clientreactor() |
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82 |
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83 action, meta = sendframe(reactor, ffs(b'1 1 0 1 0 foo')) |
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84 self.assertEqual(action, 'error') |
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85 self.assertEqual(meta['message'], |
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86 'received frame with odd numbered stream ID: 1') |
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87 |
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88 def testunknownstream(self): |
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89 reactor = framing.clientreactor() |
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90 |
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91 action, meta = sendframe(reactor, ffs(b'1 0 0 1 0 foo')) |
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92 self.assertEqual(action, 'error') |
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93 self.assertEqual(meta['message'], |
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94 'received frame on unknown stream without beginning ' |
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95 'of stream flag set') |
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96 |
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97 def testunhandledframetype(self): |
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98 reactor = framing.clientreactor(buffersends=False) |
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99 |
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100 request, action, meta = reactor.callcommand(b'foo', {}) |
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101 for frame in meta['framegen']: |
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102 pass |
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103 |
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104 with self.assertRaisesRegexp(error.ProgrammingError, |
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105 'unhandled frame type'): |
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106 sendframe(reactor, ffs(b'1 0 stream-begin text-output 0 foo')) |
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107 |
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108 if __name__ == '__main__': |
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109 import silenttestrunner |
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110 silenttestrunner.main(__name__) |