$ . $TESTDIR/wireprotohelpers.sh

  $ hg init server

  $ enablehttpv2 server

  $ cd server

  $ echo a0 > a

  $ echo b0 > b

  $ mkdir -p dir0/child0 dir0/child1 dir1

  $ echo c0 > dir0/c

  $ echo d0 > dir0/d

  $ echo e0 > dir0/child0/e

  $ echo f0 > dir0/child1/f

  $ hg -q commit -A -m 'commit 0'

  $ echo a1 > a

  $ echo d1 > dir0/d

  $ hg commit -m 'commit 1'

  $ echo f0 > dir0/child1/f

  $ hg commit -m 'commit 2'

  nothing changed

  [1]

  $ hg -q up -r 0

  $ echo a2 > a

  $ hg commit -m 'commit 3'

  created new head

  $ hg log -G -T '{rev}:{node} {desc}\n'

  @  2:c8757a2ffe552850d1e0dfe60d295ebf64c196d9 commit 3

  |

  | o  1:650165e803375748a94df471e5b58d85763e0b29 commit 1

  |/

  o  0:6d85ca1270b377d320098556ba5bfad34a9ee12d commit 0

  $ hg --debug debugindex a

     rev linkrev nodeid                                   p1                                       p2

       0       0 2b4eb07319bfa077a40a2f04913659aef0da42da 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000

       1       1 9a38122997b3ac97be2a9aa2e556838341fdf2cc 2b4eb07319bfa077a40a2f04913659aef0da42da 0000000000000000000000000000000000000000

       2       2 0879345e39377229634b420c639454156726c6b6 2b4eb07319bfa077a40a2f04913659aef0da42da 0000000000000000000000000000000000000000

  $ hg --debug debugindex dir0/child0/e

     rev linkrev nodeid                                   p1                                       p2

       0       0 bbba6c06b30f443d34ff841bc985c4d0827c6be4 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000

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

  $ cat hg.pid > $DAEMON_PIDS

Missing arguments is an error

  $ sendhttpv2peer << EOF

  > command filedata

  > EOF

  creating http peer for wire protocol version 2

  sending filedata command

  s>     POST /api/exp-http-v2-0001/ro/filedata HTTP/1.1\r\n

  s>     Accept-Encoding: identity\r\n

  s>     accept: application/mercurial-exp-framing-0005\r\n

  s>     content-type: application/mercurial-exp-framing-0005\r\n

  s>     content-length: 23\r\n

  s>     host: $LOCALIP:$HGPORT\r\n (glob)

  s>     user-agent: Mercurial debugwireproto\r\n

  s>     \r\n

  s>     \x0f\x00\x00\x01\x00\x01\x01\x11\xa1DnameHfiledata

  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-0005\r\n

  s>     Transfer-Encoding: chunked\r\n

  s>     \r\n

  s>     45\r\n

  s>     =\x00\x00\x01\x00\x02\x012

  s>     \xa2Eerror\xa1GmessageX\x1enodes argument must be definedFstatusEerror

  s>     \r\n

  received frame(size=61; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=eos)

  s>     0\r\n

  s>     \r\n

  abort: nodes argument must be defined!

  [255]

  $ sendhttpv2peer << EOF

  > command filedata

  >     nodes eval:[]

  > EOF

  creating http peer for wire protocol version 2

  sending filedata command

  s>     POST /api/exp-http-v2-0001/ro/filedata HTTP/1.1\r\n

  s>     Accept-Encoding: identity\r\n

  s>     accept: application/mercurial-exp-framing-0005\r\n

  s>     content-type: application/mercurial-exp-framing-0005\r\n

  s>     content-length: 36\r\n

  s>     host: $LOCALIP:$HGPORT\r\n (glob)

  s>     user-agent: Mercurial debugwireproto\r\n

  s>     \r\n

  s>     \x1c\x00\x00\x01\x00\x01\x01\x11\xa2Dargs\xa1Enodes\x80DnameHfiledata

  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-0005\r\n

  s>     Transfer-Encoding: chunked\r\n

  s>     \r\n

  s>     44\r\n

  s>     <\x00\x00\x01\x00\x02\x012

  s>     \xa2Eerror\xa1GmessageX\x1dpath argument must be definedFstatusEerror

  s>     \r\n

  received frame(size=60; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=eos)

  s>     0\r\n

  s>     \r\n

  abort: path argument must be defined!

  [255]

Unknown node is an error

  $ sendhttpv2peer << EOF

  > command filedata

  >     nodes eval:[b'\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa']

  >     path eval:b'a'

  > EOF

  creating http peer for wire protocol version 2

  sending filedata command

  s>     POST /api/exp-http-v2-0001/ro/filedata HTTP/1.1\r\n

  s>     Accept-Encoding: identity\r\n

  s>     accept: application/mercurial-exp-framing-0005\r\n

  s>     content-type: application/mercurial-exp-framing-0005\r\n

  s>     content-length: 64\r\n

  s>     host: $LOCALIP:$HGPORT\r\n (glob)

  s>     user-agent: Mercurial debugwireproto\r\n

  s>     \r\n

  s>     8\x00\x00\x01\x00\x01\x01\x11\xa2Dargs\xa2Enodes\x81T\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaaDpathAaDnameHfiledata

  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-0005\r\n

  s>     Transfer-Encoding: chunked\r\n

  s>     \r\n

  s>     6b\r\n

  s>     c\x00\x00\x01\x00\x02\x012

  s>     \xa2Eerror\xa2Dargs\x81X(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaGmessageUunknown file node: %sFstatusEerror

  s>     \r\n

  received frame(size=99; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=eos)

  s>     0\r\n

  s>     \r\n

  abort: unknown file node: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa!

  [255]

Fetching a single revision returns just metadata by default

  $ sendhttpv2peer << EOF

  > command filedata

  >     nodes eval:[b'\x9a\x38\x12\x29\x97\xb3\xac\x97\xbe\x2a\x9a\xa2\xe5\x56\x83\x83\x41\xfd\xf2\xcc']

  >     path eval:b'a'

  > EOF

  creating http peer for wire protocol version 2

  sending filedata command

  s>     POST /api/exp-http-v2-0001/ro/filedata HTTP/1.1\r\n

  s>     Accept-Encoding: identity\r\n

  s>     accept: application/mercurial-exp-framing-0005\r\n

  s>     content-type: application/mercurial-exp-framing-0005\r\n

  s>     content-length: 64\r\n

  s>     host: $LOCALIP:$HGPORT\r\n (glob)

  s>     user-agent: Mercurial debugwireproto\r\n

  s>     \r\n

  s>     8\x00\x00\x01\x00\x01\x01\x11\xa2Dargs\xa2Enodes\x81T\x9a8\x12)\x97\xb3\xac\x97\xbe*\x9a\xa2\xe5V\x83\x83A\xfd\xf2\xccDpathAaDnameHfiledata

  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-0005\r\n

  s>     Transfer-Encoding: chunked\r\n

  s>     \r\n

  s>     13\r\n

  s>     \x0b\x00\x00\x01\x00\x02\x011

  s>     \xa1FstatusBok

  s>     \r\n

  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)

  s>     30\r\n

  s>     (\x00\x00\x01\x00\x02\x001

  s>     \xa1Jtotalitems\x01\xa1DnodeT\x9a8\x12)\x97\xb3\xac\x97\xbe*\x9a\xa2\xe5V\x83\x83A\xfd\xf2\xcc

  s>     \r\n

  received frame(size=40; request=1; stream=2; streamflags=; type=command-response; flags=continuation)

  s>     8\r\n

  s>     \x00\x00\x00\x01\x00\x02\x002

  s>     \r\n

  s>     0\r\n

  s>     \r\n

  received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)

  response: gen[

    {

      b'totalitems': 1

    },

    {

      b'node': b'\x9a8\x12)\x97\xb3\xac\x97\xbe*\x9a\xa2\xe5V\x83\x83A\xfd\xf2\xcc'

    }

  ]

Requesting parents works

  $ sendhttpv2peer << EOF

  > command filedata

  >     nodes eval:[b'\x9a\x38\x12\x29\x97\xb3\xac\x97\xbe\x2a\x9a\xa2\xe5\x56\x83\x83\x41\xfd\xf2\xcc']

  >     path eval:b'a'

  >     fields eval:[b'parents']

  > EOF

  creating http peer for wire protocol version 2

  sending filedata command

  s>     POST /api/exp-http-v2-0001/ro/filedata HTTP/1.1\r\n

  s>     Accept-Encoding: identity\r\n

  s>     accept: application/mercurial-exp-framing-0005\r\n

  s>     content-type: application/mercurial-exp-framing-0005\r\n

  s>     content-length: 80\r\n

  s>     host: $LOCALIP:$HGPORT\r\n (glob)

  s>     user-agent: Mercurial debugwireproto\r\n

  s>     \r\n

  s>     H\x00\x00\x01\x00\x01\x01\x11\xa2Dargs\xa3Ffields\x81GparentsEnodes\x81T\x9a8\x12)\x97\xb3\xac\x97\xbe*\x9a\xa2\xe5V\x83\x83A\xfd\xf2\xccDpathAaDnameHfiledata

  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-0005\r\n

  s>     Transfer-Encoding: chunked\r\n

  s>     \r\n

  s>     13\r\n

  s>     \x0b\x00\x00\x01\x00\x02\x011

  s>     \xa1FstatusBok

  s>     \r\n

  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)

  s>     63\r\n

  s>     [\x00\x00\x01\x00\x02\x001

  s>     \xa1Jtotalitems\x01\xa2DnodeT\x9a8\x12)\x97\xb3\xac\x97\xbe*\x9a\xa2\xe5V\x83\x83A\xfd\xf2\xccGparents\x82T+N\xb0s\x19\xbf\xa0w\xa4\n

  s>     /\x04\x916Y\xae\xf0\xdaB\xdaT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00

  s>     \r\n

  received frame(size=91; request=1; stream=2; streamflags=; type=command-response; flags=continuation)

  s>     8\r\n

  s>     \x00\x00\x00\x01\x00\x02\x002

  s>     \r\n

  s>     0\r\n

  s>     \r\n

  received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)

  response: gen[

    {

      b'totalitems': 1

    },

    {

      b'node': b'\x9a8\x12)\x97\xb3\xac\x97\xbe*\x9a\xa2\xe5V\x83\x83A\xfd\xf2\xcc',

      b'parents': [

        b'+N\xb0s\x19\xbf\xa0w\xa4\n/\x04\x916Y\xae\xf0\xdaB\xda',

        b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'

      ]

    }

  ]

Requesting revision data works

  $ sendhttpv2peer << EOF

  > command filedata

  >     nodes eval:[b'\x9a\x38\x12\x29\x97\xb3\xac\x97\xbe\x2a\x9a\xa2\xe5\x56\x83\x83\x41\xfd\xf2\xcc']

  >     path eval:b'a'

  >     fields eval:[b'revision']

  > EOF

  creating http peer for wire protocol version 2

  sending filedata command

  s>     POST /api/exp-http-v2-0001/ro/filedata HTTP/1.1\r\n

  s>     Accept-Encoding: identity\r\n

  s>     accept: application/mercurial-exp-framing-0005\r\n

  s>     content-type: application/mercurial-exp-framing-0005\r\n

  s>     content-length: 81\r\n

  s>     host: $LOCALIP:$HGPORT\r\n (glob)

  s>     user-agent: Mercurial debugwireproto\r\n

  s>     \r\n

  s>     I\x00\x00\x01\x00\x01\x01\x11\xa2Dargs\xa3Ffields\x81HrevisionEnodes\x81T\x9a8\x12)\x97\xb3\xac\x97\xbe*\x9a\xa2\xe5V\x83\x83A\xfd\xf2\xccDpathAaDnameHfiledata

  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-0005\r\n

  s>     Transfer-Encoding: chunked\r\n

  s>     \r\n

  s>     13\r\n

  s>     \x0b\x00\x00\x01\x00\x02\x011

  s>     \xa1FstatusBok

  s>     \r\n

  received frame(size=11; request=1; stream=2; streamflags=stream-begin; type=command-response; flags=continuation)

  s>     6e\r\n

  s>     f\x00\x00\x01\x00\x02\x001

  s>     \xa1Jtotalitems\x01\xa3MdeltabasenodeT+N\xb0s\x19\xbf\xa0w\xa4\n

  s>     /\x04\x916Y\xae\xf0\xdaB\xdaIdeltasize\x0fDnodeT\x9a8\x12)\x97\xb3\xac\x97\xbe*\x9a\xa2\xe5V\x83\x83A\xfd\xf2\xccO\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x03a1\n

  s>     \r\n

  received frame(size=102; request=1; stream=2; streamflags=; type=command-response; flags=continuation)

  s>     8\r\n

  s>     \x00\x00\x00\x01\x00\x02\x002

  s>     \r\n

  s>     0\r\n

  s>     \r\n

  received frame(size=0; request=1; stream=2; streamflags=; type=command-response; flags=eos)

  response: gen[

    {

      b'totalitems': 1

    },

    {

      b'deltabasenode': b'+N\xb0s\x19\xbf\xa0w\xa4\n/\x04\x916Y\xae\xf0\xdaB\xda',

      b'deltasize': 15,

      b'node': b'\x9a8\x12)\x97\xb3\xac\x97\xbe*\x9a\xa2\xe5V\x83\x83A\xfd\xf2\xcc'

    },

    b'\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x03a1\n'

  ]

Requesting multiple revisions works

(first revision should be fulltext, subsequents are deltas)

  $ sendhttpv2peer << EOF

  > command filedata

  >     nodes eval:['\x2b\x4e\xb0\x73\x19\xbf\xa0\x77\xa4\x0a\x2f\x04\x91\x36\x59\xae\xf0\xda\x42\xda', '\x9a\x38\x12\x29\x97\xb3\xac\x97\xbe\x2a\x9a\xa2\xe5\x56\x83\x83\x41\xfd\xf2\xcc']

  >     path eval:b'a'

  >     fields eval:[b'revision']

  > EOF

  creating http peer for wire protocol version 2

  sending filedata command

  s>     POST /api/exp-http-v2-0001/ro/filedata HTTP/1.1\r\n

  s>     Accept-Encoding: identity\r\n

  s>     accept: application/mercurial-exp-framing-0005\r\n

  s>     content-type: application/mercurial-exp-framing-0005\r\n

  s>     content-length: 102\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\xa3Ffields\x81HrevisionEnodes\x82T+N\xb0s\x19\xbf\xa0w\xa4\n

  s>     /\x04\x916Y\xae\xf0\xdaB\xdaT\x9a8\x12)\x97\xb3\xac\x97\xbe*\x9a\xa2\xe5V\x83\x83A\xfd\xf2\xccDpathAaDnameHfiledata

  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-0005\r\n

  s>     Transfer-Encoding: chunked\r\n

  s>     \r\n

  s>     13\r\n