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tests/test-wireproto-command-listkeys.t
author Gregory Szorc <gregory.szorc@gmail.com>
Sat, 14 Apr 2018 12:07:31 -0700
changeset 37722 89a16704114c
parent 37721 f7673845b167
child 37724 deff7cf7eefd
permissions -rw-r--r--
wireprotov2: define response data as CBOR Previously, response data was defined as a stream of bytes. We had the option to declare it as CBOR using a frame flag. We've converged all wire protocol commands exposed on version 2 to CBOR. I think consistency is important. The overhead to encoding things with CBOR is minimal. Even a very large bytestring can be efficiently encoded using an indefinite length bytestring. Now, there are limitations with consumers not being able to efficiently stream large CBOR values. But these feel like solvable problems. This commit removes the "is CBOR" frame flag from command response frames and defines the frame as always consisting of a stream of CBOR values. The framing protocol media type has been bumped to reflect this BC change. Differential Revision: https://phab.mercurial-scm.org/D3382

  $ . $TESTDIR/wireprotohelpers.sh

  $ hg init server
  $ enablehttpv2 server
  $ cd server
  $ hg debugdrawdag << EOF
  > C D
  > |/
  > B
  > |
  > A
  > EOF

  $ hg phase --public -r C
  $ hg book -r C @

  $ hg log -T '{rev}:{node} {desc}\n'
  3:be0ef73c17ade3fc89dc41701eb9fc3a91b58282 D
  2:26805aba1e600a82e93661149f2313866a221a7b C
  1:112478962961147124edd43549aedd1a335e44bf B
  0:426bada5c67598ca65036d57d9e4b64b0c1ce7a0 A

  $ hg serve -p $HGPORT -d --pid-file hg.pid -E error.log
  $ cat hg.pid > $DAEMON_PIDS

Request for namespaces works

  $ sendhttpv2peer << EOF
  > command listkeys
  >     namespace namespaces
  > EOF
  creating http peer for wire protocol version 2
  sending listkeys command
  s>     POST /api/exp-http-v2-0001/ro/listkeys HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     accept: application/mercurial-exp-framing-0004\r\n
  s>     content-type: application/mercurial-exp-framing-0004\r\n
  s>     content-length: 50\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     user-agent: Mercurial debugwireproto\r\n
  s>     \r\n
  s>     *\x00\x00\x01\x00\x01\x01\x11\xa2Dargs\xa1InamespaceJnamespacesDnameHlistkeys
  s> makefile('rb', None)
  s>     HTTP/1.1 200 OK\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Content-Type: application/mercurial-exp-framing-0004\r\n
  s>     Transfer-Encoding: chunked\r\n
  s>     \r\n
  s>     28\r\n
  s>      \x00\x00\x01\x00\x02\x01B
  s>     \xa3Fphases@Ibookmarks@Jnamespaces@
  s>     \r\n
  received frame(size=32; request=1; stream=2; streamflags=stream-begin; type=bytes-response; flags=eos)
  s>     0\r\n
  s>     \r\n
  response: {b'bookmarks': b'', b'namespaces': b'', b'phases': b''}

Request for phases works

  $ sendhttpv2peer << EOF
  > command listkeys
  >     namespace phases
  > EOF
  creating http peer for wire protocol version 2
  sending listkeys command
  s>     POST /api/exp-http-v2-0001/ro/listkeys HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     accept: application/mercurial-exp-framing-0004\r\n
  s>     content-type: application/mercurial-exp-framing-0004\r\n
  s>     content-length: 46\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     user-agent: Mercurial debugwireproto\r\n
  s>     \r\n
  s>     &\x00\x00\x01\x00\x01\x01\x11\xa2Dargs\xa1InamespaceFphasesDnameHlistkeys
  s> makefile('rb', None)
  s>     HTTP/1.1 200 OK\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Content-Type: application/mercurial-exp-framing-0004\r\n
  s>     Transfer-Encoding: chunked\r\n
  s>     \r\n
  s>     45\r\n
  s>     =\x00\x00\x01\x00\x02\x01B
  s>     \xa2JpublishingDTrueX(be0ef73c17ade3fc89dc41701eb9fc3a91b58282A1
  s>     \r\n
  received frame(size=61; request=1; stream=2; streamflags=stream-begin; type=bytes-response; flags=eos)
  s>     0\r\n
  s>     \r\n
  response: {b'be0ef73c17ade3fc89dc41701eb9fc3a91b58282': b'1', b'publishing': b'True'}

Request for bookmarks works

  $ sendhttpv2peer << EOF
  > command listkeys
  >     namespace bookmarks
  > EOF
  creating http peer for wire protocol version 2
  sending listkeys command
  s>     POST /api/exp-http-v2-0001/ro/listkeys HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     accept: application/mercurial-exp-framing-0004\r\n
  s>     content-type: application/mercurial-exp-framing-0004\r\n
  s>     content-length: 49\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     user-agent: Mercurial debugwireproto\r\n
  s>     \r\n
  s>     )\x00\x00\x01\x00\x01\x01\x11\xa2Dargs\xa1InamespaceIbookmarksDnameHlistkeys
  s> makefile('rb', None)
  s>     HTTP/1.1 200 OK\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Content-Type: application/mercurial-exp-framing-0004\r\n
  s>     Transfer-Encoding: chunked\r\n
  s>     \r\n
  s>     35\r\n
  s>     -\x00\x00\x01\x00\x02\x01B
  s>     \xa1A@X(26805aba1e600a82e93661149f2313866a221a7b
  s>     \r\n
  received frame(size=45; request=1; stream=2; streamflags=stream-begin; type=bytes-response; flags=eos)
  s>     0\r\n
  s>     \r\n
  response: {b'@': b'26805aba1e600a82e93661149f2313866a221a7b'}

  $ cat error.log
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