Mercurial > hg
annotate tests/test-exchange-obsmarkers-case-B1.t @ 37048:fc5e261915b9
wireproto: require POST for all HTTPv2 requests
Wire protocol version 1 transfers argument data via request
headers by default. This has historically caused problems because
servers institute limits on the length of individual HTTP headers
as well as the total size of all request headers. Mercurial servers
can advertise the maximum length of an individual header. But
there's no guarantee any intermediate HTTP agents will accept
headers up to that length.
In the existing wire protocol, server operators typically also
key off the HTTP request method to implement authentication.
For example, GET requests translate to read-only requests and
can be allowed. But read-write commands must use POST and require
authentication. This has typically worked because the only wire
protocol commands that use POST modify the repo (e.g. the
"unbundle" command).
There is an experimental feature to enable clients to transmit
argument data via POST request bodies. This is technically a
better and more robust solution. But we can't enable it by default
because of servers assuming POST means write access.
In version 2 of the wire protocol, the permissions of a request
are encoded in the URL. And with it being a new protocol in a new
URL space, we're not constrained by backwards compatibility
requirements.
This commit adopts the technically superior mechanism of using
HTTP request bodies to send argument data by requiring POST for
all commands. Strictly speaking, it may be possible to send
request bodies on GET requests. But my experience is that not all
HTTP stacks support this. POST pretty much always works. Using POST
for read-only operations does sacrifice some RESTful design
purity. But this API cares about practicality, not about being
in Roy T. Fielding's REST ivory tower.
There's a chance we may relax this restriction in the future. But
for now, I want to see how far we can get with a POST only API.
Differential Revision: https://phab.mercurial-scm.org/D2837
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Tue, 13 Mar 2018 11:57:43 -0700 |
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rev | line source |
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1 ============================================ |
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2 Testing obsolescence markers push: Cases B.1 |
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3 ============================================ |
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4 |
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5 Mercurial pushes obsolescences markers relevant to the "pushed-set", the set of |
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6 all changesets that requested to be "in sync" after the push (even if they are |
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7 already on both side). |
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8 |
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9 This test belongs to a series of tests checking such set is properly computed |
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10 and applied. This does not tests "obsmarkers" discovery capabilities. |
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11 |
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12 Category B: pruning case |
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13 TestCase 1: Prune on non-targeted common changeset |
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14 |
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15 B.1 Prune on non-targeted common changeset |
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16 ========================================== |
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17 |
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18 .. {{{ |
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19 .. ⊗ B |
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20 .. | |
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21 .. ◕ A |
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22 .. | |
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23 .. ● O |
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24 .. }}} |
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25 .. |
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26 .. Marker exist from: |
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27 .. |
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28 .. * B (prune) |
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29 .. |
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30 .. Command runs: |
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31 .. |
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32 .. * hg push -r O |
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33 .. |
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34 .. Expected exclude: |
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35 .. |
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36 .. * B (prune) |
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37 |
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38 Setup |
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39 ----- |
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40 |
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41 $ . $TESTDIR/testlib/exchange-obsmarker-util.sh |
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42 |
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43 Initial |
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44 |
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45 $ setuprepos B.1 |
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46 creating test repo for test case B.1 |
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47 - pulldest |
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48 - main |
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49 - pushdest |
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50 cd into `main` and proceed with env setup |
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51 $ cd main |
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52 $ mkcommit A |
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53 $ mkcommit B |
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54 |
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55 make both changeset known in remote |
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56 |
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57 $ hg push -qf ../pushdest |
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58 $ hg push -qf ../pulldest |
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59 |
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60 create prune marker |
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61 |
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62 $ hg prune -qd '0 0' . |
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63 $ hg log -G --hidden |
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64 x f6fbb35d8ac9 (draft): B |
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65 | |
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66 @ f5bc6836db60 (draft): A |
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67 | |
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68 o a9bdc8b26820 (public): O |
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69 |
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70 $ inspect_obsmarkers |
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71 obsstore content |
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72 ================ |
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73 f6fbb35d8ac958bbe70035e4c789c18471cdc0af 0 {f5bc6836db60e308a17ba08bf050154ba9c4fad7} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} |
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74 $ cd .. |
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75 $ cd .. |
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76 |
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77 Actual Test |
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78 ----------- |
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79 |
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80 $ dotest B.1 O |
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81 ## Running testcase B.1 |
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82 # testing echange of "O" (a9bdc8b26820) |
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83 ## initial state |
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84 # obstore: main |
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85 f6fbb35d8ac958bbe70035e4c789c18471cdc0af 0 {f5bc6836db60e308a17ba08bf050154ba9c4fad7} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} |
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86 # obstore: pushdest |
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87 # obstore: pulldest |
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88 ## pushing "O" from main to pushdest |
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89 pushing to pushdest |
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90 searching for changes |
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91 no changes found |
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92 ## post push state |
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93 # obstore: main |
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94 f6fbb35d8ac958bbe70035e4c789c18471cdc0af 0 {f5bc6836db60e308a17ba08bf050154ba9c4fad7} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} |
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95 # obstore: pushdest |
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96 # obstore: pulldest |
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97 ## pulling "a9bdc8b26820" from main into pulldest |
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98 pulling from main |
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99 no changes found |
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100 ## post pull state |
850a06176d82
obsolescence: add test case B-1 for obsolescence markers exchange
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff
changeset
|
101 # obstore: main |
850a06176d82
obsolescence: add test case B-1 for obsolescence markers exchange
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff
changeset
|
102 f6fbb35d8ac958bbe70035e4c789c18471cdc0af 0 {f5bc6836db60e308a17ba08bf050154ba9c4fad7} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'} |
850a06176d82
obsolescence: add test case B-1 for obsolescence markers exchange
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff
changeset
|
103 # obstore: pushdest |
850a06176d82
obsolescence: add test case B-1 for obsolescence markers exchange
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff
changeset
|
104 # obstore: pulldest |