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view tests/test-http-api-httpv2.t @ 40403:bf249bb60087

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shortest: never emit 0-length prefix even if unique It turned out that the pure version of our code for finding the shortest unique nodeid prefix would return a 0-length string if that was unique (because there was at most one revision in the disambiguation set). That's kind of correct, but it can't be used as input, so we shouldn't return it. Let's just adjust the given minlength up to at least 1. This fixes test-template-functions.t, which was failing in pure mode. Differential Revision: https://phab.mercurial-scm.org/D5181
author Martin von Zweigbergk <martinvonz@google.com>
date Mon, 22 Oct 2018 11:34:35 -0700
parents 41263df08109
children 090a797f2b47
line wrap: on
line source

#require no-chg

  $ . $TESTDIR/wireprotohelpers.sh
  $ enabledummycommands

  $ hg init server
  $ cat > server/.hg/hgrc << EOF
  > [experimental]
  > web.apiserver = true
  > EOF
  $ hg -R server serve -p $HGPORT -d --pid-file hg.pid
  $ cat hg.pid > $DAEMON_PIDS

HTTP v2 protocol not enabled by default

  $ sendhttpraw << EOF
  > httprequest GET api/$HTTPV2
  >     user-agent: test
  > EOF
  using raw connection to peer
  s>     GET /api/exp-http-v2-0003 HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     user-agent: test\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s> makefile('rb', None)
  s>     HTTP/1.1 404 Not Found\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Content-Type: text/plain\r\n
  s>     Content-Length: 33\r\n
  s>     \r\n
  s>     API exp-http-v2-0003 not enabled\n

Restart server with support for HTTP v2 API

  $ killdaemons.py
  $ enablehttpv2 server
  $ hg -R server serve -p $HGPORT -d --pid-file hg.pid
  $ cat hg.pid > $DAEMON_PIDS

Request to unknown command yields 404

  $ sendhttpraw << EOF
  > httprequest POST api/$HTTPV2/ro/badcommand
  >     user-agent: test
  > EOF
  using raw connection to peer
  s>     POST /api/exp-http-v2-0003/ro/badcommand HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     user-agent: test\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s> makefile('rb', None)
  s>     HTTP/1.1 404 Not Found\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Content-Type: text/plain\r\n
  s>     Content-Length: 42\r\n
  s>     \r\n
  s>     unknown wire protocol command: badcommand\n

GET to read-only command yields a 405

  $ sendhttpraw << EOF
  > httprequest GET api/$HTTPV2/ro/customreadonly
  >     user-agent: test
  > EOF
  using raw connection to peer
  s>     GET /api/exp-http-v2-0003/ro/customreadonly HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     user-agent: test\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s> makefile('rb', None)
  s>     HTTP/1.1 405 Method Not Allowed\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Allow: POST\r\n
  s>     Content-Length: 30\r\n
  s>     \r\n
  s>     commands require POST requests

Missing Accept header results in 406

  $ sendhttpraw << EOF
  > httprequest POST api/$HTTPV2/ro/customreadonly
  >     user-agent: test
  > EOF
  using raw connection to peer
  s>     POST /api/exp-http-v2-0003/ro/customreadonly HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     user-agent: test\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s> makefile('rb', None)
  s>     HTTP/1.1 406 Not Acceptable\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Content-Type: text/plain\r\n
  s>     Content-Length: 85\r\n
  s>     \r\n
  s>     client MUST specify Accept header with value: application/mercurial-exp-framing-0006\n

Bad Accept header results in 406

  $ sendhttpraw << EOF
  > httprequest POST api/$HTTPV2/ro/customreadonly
  >     accept: invalid
  >     user-agent: test
  > EOF
  using raw connection to peer
  s>     POST /api/exp-http-v2-0003/ro/customreadonly HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     accept: invalid\r\n
  s>     user-agent: test\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s> makefile('rb', None)
  s>     HTTP/1.1 406 Not Acceptable\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Content-Type: text/plain\r\n
  s>     Content-Length: 85\r\n
  s>     \r\n
  s>     client MUST specify Accept header with value: application/mercurial-exp-framing-0006\n

Bad Content-Type header results in 415

  $ sendhttpraw << EOF
  > httprequest POST api/$HTTPV2/ro/customreadonly
  >     accept: $MEDIATYPE
  >     user-agent: test
  >     content-type: badmedia
  > EOF
  using raw connection to peer
  s>     POST /api/exp-http-v2-0003/ro/customreadonly HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     accept: application/mercurial-exp-framing-0006\r\n
  s>     content-type: badmedia\r\n
  s>     user-agent: test\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s> makefile('rb', None)
  s>     HTTP/1.1 415 Unsupported Media Type\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Content-Type: text/plain\r\n
  s>     Content-Length: 88\r\n
  s>     \r\n
  s>     client MUST send Content-Type header with value: application/mercurial-exp-framing-0006\n

Request to read-only command works out of the box

  $ sendhttpraw << EOF
  > httprequest POST api/$HTTPV2/ro/customreadonly
  >     accept: $MEDIATYPE
  >     content-type: $MEDIATYPE
  >     user-agent: test
  >     frame 1 1 stream-begin command-request new cbor:{b'name': b'customreadonly'}
  > EOF
  using raw connection to peer
  s>     POST /api/exp-http-v2-0003/ro/customreadonly HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     *\r\n (glob)
  s>     content-type: application/mercurial-exp-framing-0006\r\n
  s>     user-agent: test\r\n
  s>     content-length: 29\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s>     \x15\x00\x00\x01\x00\x01\x01\x11\xa1DnameNcustomreadonly
  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-0006\r\n
  s>     Transfer-Encoding: chunked\r\n
  s>     \r\n
  s>     11\r\n
  s>     \t\x00\x00\x01\x00\x02\x01\x92Hidentity
  s>     \r\n
  s>     13\r\n
  s>     \x0b\x00\x00\x01\x00\x02\x041\xa1FstatusBok
  s>     \r\n
  s>     27\r\n
  s>     \x1f\x00\x00\x01\x00\x02\x041X\x1dcustomreadonly bytes response
  s>     \r\n
  s>     8\r\n
  s>     \x00\x00\x00\x01\x00\x02\x002
  s>     \r\n
  s>     0\r\n
  s>     \r\n

  $ sendhttpv2peerverbose << EOF
  > command customreadonly
  > EOF
  creating http peer for wire protocol version 2
  sending customreadonly command
  s>     POST /api/exp-http-v2-0003/ro/customreadonly HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     accept: application/mercurial-exp-framing-0006\r\n
  s>     content-type: application/mercurial-exp-framing-0006\r\n
  s>     content-length: 65\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\x82\xa1Pcontentencodings\x81Hidentity\x15\x00\x00\x01\x00\x01\x00\x11\xa1DnameNcustomreadonly
  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-0006\r\n
  s>     Transfer-Encoding: chunked\r\n
  s>     \r\n
  s>     11\r\n
  s>     \t\x00\x00\x01\x00\x02\x01\x92
  s>     Hidentity
  s>     \r\n
  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
  s>     13\r\n
  s>     \x0b\x00\x00\x01\x00\x02\x041
  s>     \xa1FstatusBok
  s>     \r\n
  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
  s>     27\r\n
  s>     \x1f\x00\x00\x01\x00\x02\x041
  s>     X\x1dcustomreadonly bytes response
  s>     \r\n
  received frame(size=31; request=1; stream=2; streamflags=encoded; 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'customreadonly bytes response'
  ]
  (sent 2 HTTP requests and * bytes; received * bytes in responses) (glob)

Request to read-write command fails because server is read-only by default

GET to read-write request yields 405

  $ sendhttpraw << EOF
  > httprequest GET api/$HTTPV2/rw/customreadonly
  >     user-agent: test
  > EOF
  using raw connection to peer
  s>     GET /api/exp-http-v2-0003/rw/customreadonly HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     user-agent: test\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s> makefile('rb', None)
  s>     HTTP/1.1 405 Method Not Allowed\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Allow: POST\r\n
  s>     Content-Length: 30\r\n
  s>     \r\n
  s>     commands require POST requests

Even for unknown commands

  $ sendhttpraw << EOF
  > httprequest GET api/$HTTPV2/rw/badcommand
  >     user-agent: test
  > EOF
  using raw connection to peer
  s>     GET /api/exp-http-v2-0003/rw/badcommand HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     user-agent: test\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s> makefile('rb', None)
  s>     HTTP/1.1 405 Method Not Allowed\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Allow: POST\r\n
  s>     Content-Length: 30\r\n
  s>     \r\n
  s>     commands require POST requests

SSL required by default

  $ sendhttpraw << EOF
  > httprequest POST api/$HTTPV2/rw/customreadonly
  >     user-agent: test
  > EOF
  using raw connection to peer
  s>     POST /api/exp-http-v2-0003/rw/customreadonly HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     user-agent: test\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s> makefile('rb', None)
  s>     HTTP/1.1 403 ssl required\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Content-Length: 17\r\n
  s>     \r\n
  s>     permission denied

Restart server to allow non-ssl read-write operations

  $ killdaemons.py
  $ cat > server/.hg/hgrc << EOF
  > [experimental]
  > web.apiserver = true
  > web.api.http-v2 = true
  > [web]
  > push_ssl = false
  > allow-push = *
  > EOF

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

Authorized request for valid read-write command works

  $ sendhttpraw << EOF
  > httprequest POST api/$HTTPV2/rw/customreadonly
  >     user-agent: test
  >     accept: $MEDIATYPE
  >     content-type: $MEDIATYPE
  >     frame 1 1 stream-begin command-request new cbor:{b'name': b'customreadonly'}
  > EOF
  using raw connection to peer
  s>     POST /api/exp-http-v2-0003/rw/customreadonly HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     accept: application/mercurial-exp-framing-0006\r\n
  s>     content-type: application/mercurial-exp-framing-0006\r\n
  s>     user-agent: test\r\n
  s>     content-length: 29\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s>     \x15\x00\x00\x01\x00\x01\x01\x11\xa1DnameNcustomreadonly
  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-0006\r\n
  s>     Transfer-Encoding: chunked\r\n
  s>     \r\n
  s>     11\r\n
  s>     \t\x00\x00\x01\x00\x02\x01\x92Hidentity
  s>     \r\n
  s>     13\r\n
  s>     \x0b\x00\x00\x01\x00\x02\x041\xa1FstatusBok
  s>     \r\n
  s>     27\r\n
  s>     \x1f\x00\x00\x01\x00\x02\x041X\x1dcustomreadonly bytes response
  s>     \r\n
  s>     8\r\n
  s>     \x00\x00\x00\x01\x00\x02\x002
  s>     \r\n
  s>     0\r\n
  s>     \r\n

Authorized request for unknown command is rejected

  $ sendhttpraw << EOF
  > httprequest POST api/$HTTPV2/rw/badcommand
  >     user-agent: test
  >     accept: $MEDIATYPE
  > EOF
  using raw connection to peer
  s>     POST /api/exp-http-v2-0003/rw/badcommand HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     accept: application/mercurial-exp-framing-0006\r\n
  s>     user-agent: test\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s> makefile('rb', None)
  s>     HTTP/1.1 404 Not Found\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Content-Type: text/plain\r\n
  s>     Content-Length: 42\r\n
  s>     \r\n
  s>     unknown wire protocol command: badcommand\n

debugreflect isn't enabled by default

  $ sendhttpraw << EOF
  > httprequest POST api/$HTTPV2/ro/debugreflect
  >     user-agent: test
  > EOF
  using raw connection to peer
  s>     POST /api/exp-http-v2-0003/ro/debugreflect HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     user-agent: test\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s> makefile('rb', None)
  s>     HTTP/1.1 404 Not Found\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Content-Type: text/plain\r\n
  s>     Content-Length: 34\r\n
  s>     \r\n
  s>     debugreflect service not available

Restart server to get debugreflect endpoint

  $ killdaemons.py
  $ cat > server/.hg/hgrc << EOF
  > [experimental]
  > web.apiserver = true
  > web.api.debugreflect = true
  > web.api.http-v2 = true
  > [web]
  > push_ssl = false
  > allow-push = *
  > EOF

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

Command frames can be reflected via debugreflect

  $ sendhttpraw << EOF
  > httprequest POST api/$HTTPV2/ro/debugreflect
  >     accept: $MEDIATYPE
  >     content-type: $MEDIATYPE
  >     user-agent: test
  >     frame 1 1 stream-begin command-request new cbor:{b'name': b'command1', b'args': {b'foo': b'val1', b'bar1': b'val'}}
  > EOF
  using raw connection to peer
  s>     POST /api/exp-http-v2-0003/ro/debugreflect HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     accept: application/mercurial-exp-framing-0006\r\n
  s>     content-type: application/mercurial-exp-framing-0006\r\n
  s>     user-agent: test\r\n
  s>     content-length: 47\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s>     \'\x00\x00\x01\x00\x01\x01\x11\xa2Dargs\xa2Dbar1CvalCfooDval1DnameHcommand1
  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: text/plain\r\n
  s>     Content-Length: 223\r\n
  s>     \r\n
  s>     received: 1 1 1 \xa2Dargs\xa2Dbar1CvalCfooDval1DnameHcommand1\n
  s>     ["runcommand", {"args": {"bar1": "val", "foo": "val1"}, "command": "command1", "data": null, "redirect": null, "requestid": 1}]\n
  s>     received: <no frame>\n
  s>     {"action": "noop"}

Multiple requests to regular command URL are not allowed

  $ sendhttpraw << EOF
  > httprequest POST api/$HTTPV2/ro/customreadonly
  >     accept: $MEDIATYPE
  >     content-type: $MEDIATYPE
  >     user-agent: test
  >     frame 1 1 stream-begin command-request new cbor:{b'name': b'customreadonly'}
  > EOF
  using raw connection to peer
  s>     POST /api/exp-http-v2-0003/ro/customreadonly HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     accept: application/mercurial-exp-framing-0006\r\n
  s>     content-type: application/mercurial-exp-framing-0006\r\n
  s>     user-agent: test\r\n
  s>     content-length: 29\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s>     \x15\x00\x00\x01\x00\x01\x01\x11\xa1DnameNcustomreadonly
  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-0006\r\n
  s>     Transfer-Encoding: chunked\r\n
  s>     \r\n
  s>     11\r\n
  s>     \t\x00\x00\x01\x00\x02\x01\x92Hidentity
  s>     \r\n
  s>     13\r\n
  s>     \x0b\x00\x00\x01\x00\x02\x041\xa1FstatusBok
  s>     \r\n
  s>     27\r\n
  s>     \x1f\x00\x00\x01\x00\x02\x041X\x1dcustomreadonly bytes response
  s>     \r\n
  s>     8\r\n
  s>     \x00\x00\x00\x01\x00\x02\x002
  s>     \r\n
  s>     0\r\n
  s>     \r\n

Multiple requests to "multirequest" URL are allowed

  $ sendhttpraw << EOF
  > httprequest POST api/$HTTPV2/ro/multirequest
  >     accept: $MEDIATYPE
  >     content-type: $MEDIATYPE
  >     user-agent: test
  >     frame 1 1 stream-begin command-request new cbor:{b'name': b'customreadonly'}
  >     frame 3 1 0 command-request new cbor:{b'name': b'customreadonly'}
  > EOF
  using raw connection to peer
  s>     POST /api/exp-http-v2-0003/ro/multirequest HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     *\r\n (glob)
  s>     *\r\n (glob)
  s>     user-agent: test\r\n
  s>     content-length: 58\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s>     \x15\x00\x00\x01\x00\x01\x01\x11\xa1DnameNcustomreadonly\x15\x00\x00\x03\x00\x01\x00\x11\xa1DnameNcustomreadonly
  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-0006\r\n
  s>     Transfer-Encoding: chunked\r\n
  s>     \r\n
  s>     11\r\n
  s>     \t\x00\x00\x01\x00\x02\x01\x92Hidentity
  s>     \r\n
  s>     13\r\n
  s>     \x0b\x00\x00\x01\x00\x02\x041\xa1FstatusBok
  s>     \r\n
  s>     27\r\n
  s>     \x1f\x00\x00\x01\x00\x02\x041X\x1dcustomreadonly bytes response
  s>     \r\n
  s>     8\r\n
  s>     \x00\x00\x00\x01\x00\x02\x002
  s>     \r\n
  s>     13\r\n
  s>     \x0b\x00\x00\x03\x00\x02\x041\xa1FstatusBok
  s>     \r\n
  s>     27\r\n
  s>     \x1f\x00\x00\x03\x00\x02\x041X\x1dcustomreadonly bytes response
  s>     \r\n
  s>     8\r\n
  s>     \x00\x00\x00\x03\x00\x02\x002
  s>     \r\n
  s>     0\r\n
  s>     \r\n

Interleaved requests to "multirequest" are processed

  $ sendhttpraw << EOF
  > httprequest POST api/$HTTPV2/ro/multirequest
  >     accept: $MEDIATYPE
  >     content-type: $MEDIATYPE
  >     user-agent: test
  >     frame 1 1 stream-begin command-request new|more \xa2Dargs\xa1Inamespace
  >     frame 3 1 0 command-request new|more \xa2Dargs\xa1Inamespace
  >     frame 3 1 0 command-request continuation JnamespacesDnameHlistkeys
  >     frame 1 1 0 command-request continuation IbookmarksDnameHlistkeys
  > EOF
  using raw connection to peer
  s>     POST /api/exp-http-v2-0003/ro/multirequest HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     accept: application/mercurial-exp-framing-0006\r\n
  s>     content-type: application/mercurial-exp-framing-0006\r\n
  s>     user-agent: test\r\n
  s>     content-length: 115\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s>     \x11\x00\x00\x01\x00\x01\x01\x15\xa2Dargs\xa1Inamespace\x11\x00\x00\x03\x00\x01\x00\x15\xa2Dargs\xa1Inamespace\x19\x00\x00\x03\x00\x01\x00\x12JnamespacesDnameHlistkeys\x18\x00\x00\x01\x00\x01\x00\x12IbookmarksDnameHlistkeys
  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-0006\r\n
  s>     Transfer-Encoding: chunked\r\n
  s>     \r\n
  s>     11\r\n
  s>     \t\x00\x00\x03\x00\x02\x01\x92Hidentity
  s>     \r\n
  s>     13\r\n
  s>     \x0b\x00\x00\x03\x00\x02\x041\xa1FstatusBok
  s>     \r\n
  s>     28\r\n
  s>      \x00\x00\x03\x00\x02\x041\xa3Ibookmarks@Jnamespaces@Fphases@
  s>     \r\n
  s>     8\r\n
  s>     \x00\x00\x00\x03\x00\x02\x002
  s>     \r\n
  s>     13\r\n
  s>     \x0b\x00\x00\x01\x00\x02\x041\xa1FstatusBok
  s>     \r\n
  s>     9\r\n
  s>     \x01\x00\x00\x01\x00\x02\x041\xa0
  s>     \r\n
  s>     8\r\n
  s>     \x00\x00\x00\x01\x00\x02\x002
  s>     \r\n
  s>     0\r\n
  s>     \r\n

Restart server to disable read-write access

  $ killdaemons.py
  $ cat > server/.hg/hgrc << EOF
  > [experimental]
  > web.apiserver = true
  > web.api.debugreflect = true
  > web.api.http-v2 = true
  > [web]
  > push_ssl = false
  > EOF

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

Attempting to run a read-write command via multirequest on read-only URL is not allowed

  $ sendhttpraw << EOF
  > httprequest POST api/$HTTPV2/ro/multirequest
  >     accept: $MEDIATYPE
  >     content-type: $MEDIATYPE
  >     user-agent: test
  >     frame 1 1 stream-begin command-request new cbor:{b'name': b'pushkey'}
  > EOF
  using raw connection to peer
  s>     POST /api/exp-http-v2-0003/ro/multirequest HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     accept: application/mercurial-exp-framing-0006\r\n
  s>     content-type: application/mercurial-exp-framing-0006\r\n
  s>     user-agent: test\r\n
  s>     content-length: 22\r\n
  s>     host: $LOCALIP:$HGPORT\r\n (glob)
  s>     \r\n
  s>     \x0e\x00\x00\x01\x00\x01\x01\x11\xa1DnameGpushkey
  s> makefile('rb', None)
  s>     HTTP/1.1 403 Forbidden\r\n
  s>     Server: testing stub value\r\n
  s>     Date: $HTTP_DATE$\r\n
  s>     Content-Type: text/plain\r\n
  s>     Content-Length: 52\r\n
  s>     \r\n
  s>     insufficient permissions to execute command: pushkey

Defining an invalid content encoding results in warning

  $ hg --config experimental.httppeer.v2-encoder-order=identity,badencoder --verbose debugwireproto --nologhandshake --peer http2 http://$LOCALIP:$HGPORT/ << EOF
  > command heads
  > EOF
  creating http peer for wire protocol version 2
  sending heads command
  wire protocol version 2 encoder referenced in config (badencoder) is not known; ignoring
  s>     POST /api/exp-http-v2-0003/ro/heads HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     accept: application/mercurial-exp-framing-0006\r\n
  s>     content-type: application/mercurial-exp-framing-0006\r\n
  s>     content-length: 56\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\x82\xa1Pcontentencodings\x81Hidentity\x0c\x00\x00\x01\x00\x01\x00\x11\xa1DnameEheads
  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-0006\r\n
  s>     Transfer-Encoding: chunked\r\n
  s>     \r\n
  s>     11\r\n
  s>     \t\x00\x00\x01\x00\x02\x01\x92
  s>     Hidentity
  s>     \r\n
  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
  s>     13\r\n
  s>     \x0b\x00\x00\x01\x00\x02\x041
  s>     \xa1FstatusBok
  s>     \r\n
  received frame(size=11; request=1; stream=2; streamflags=encoded; type=command-response; flags=continuation)
  s>     1e\r\n
  s>     \x16\x00\x00\x01\x00\x02\x041
  s>     \x81T\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=22; request=1; stream=2; streamflags=encoded; 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: [
    b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
  ]
  (sent 2 HTTP requests and * bytes; received * bytes in responses) (glob)

#if zstd

  $ hg --verbose debugwireproto --nologhandshake --peer http2 http://$LOCALIP:$HGPORT/ << EOF
  > command heads
  > EOF
  creating http peer for wire protocol version 2
  sending heads command
  s>     POST /api/exp-http-v2-0003/ro/heads HTTP/1.1\r\n
  s>     Accept-Encoding: identity\r\n
  s>     accept: application/mercurial-exp-framing-0006\r\n
  s>     content-type: application/mercurial-exp-framing-0006\r\n
  s>     content-length: 70\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\x82\xa1Pcontentencodings\x83Hzstd-8mbDzlibHidentity\x0c\x00\x00\x01\x00\x01\x00\x11\xa1DnameEheads
  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-0006\r\n
  s>     Transfer-Encoding: chunked\r\n
  s>     \r\n
  s>     11\r\n
  s>     \t\x00\x00\x01\x00\x02\x01\x92
  s>     Hzstd-8mb
  s>     \r\n
  received frame(size=9; request=1; stream=2; streamflags=stream-begin; type=stream-settings; flags=eos)
  s>     25\r\n
  s>     \x1d\x00\x00\x01\x00\x02\x042
  s>     (\xb5/\xfd\x00P\xa4\x00\x00p\xa1FstatusBok\x81T\x00\x01\x00\tP\x02
  s>     \r\n
  received frame(size=29; request=1; stream=2; streamflags=encoded; type=command-response; flags=eos)
  s>     0\r\n
  s>     \r\n
  response: [
    b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
  ]
  (sent 2 HTTP requests and * bytes; received * bytes in responses) (glob)

#endif

  $ cat error.log