tests/test-push-checkheads-superceed-A8.t
author Augie Fackler <augie@google.com>
Mon, 08 Jul 2019 13:12:20 -0400
branchstable
changeset 42562 97ada9b8d51b
parent 35393 4441705b7111
child 42893 34a46d48d24e
permissions -rw-r--r--
posix: always seek to EOF when opening a file in append mode Python 3 already does this, so skip it there. Consider the program: #include <stdio.h> int main() { FILE *f = fopen("narf", "w"); fprintf(f, "narf\n"); fclose(f); f = fopen("narf", "a"); printf("%ld\n", ftell(f)); fprintf(f, "troz\n"); printf("%ld\n", ftell(f)); return 0; } on macOS, FreeBSD, and Linux with glibc, this program prints 5 10 but on musl libc (Alpine Linux and probably others) this prints 0 10 By my reading of https://pubs.opengroup.org/onlinepubs/009695399/functions/fopen.html this is technically correct, specifically: > Opening a file with append mode (a as the first character in the > mode argument) shall cause all subsequent writes to the file to be > forced to the then current end-of-file, regardless of intervening > calls to fseek(). in other words, the file position doesn't really matter in append-mode files, and we can't depend on it being at all meaningful unless we perform a seek() before tell() after open(..., 'a'). Experimentally after a .write() we can do a .tell() and it'll always be reasonable, but I'm unclear from reading the specification if that's a smart thing to rely on. This matches what we do on Windows and what Python 3 does for free, so let's just be consistent. Thanks to Yuya for the idea.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
31981
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
     1
====================================
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
     2
Testing head checking code: Case A-8
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
     3
====================================
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
     4
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
     5
Mercurial checks for the introduction of new heads on push. Evolution comes
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
     6
into play to detect if existing branches on the server are being replaced by
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
     7
some of the new one we push.
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
     8
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
     9
This case is part of a series of tests checking this behavior.
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    10
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    11
Category A: simple case involving a branch being superceeded by another.
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    12
TestCase 8: single-changeset branch indirect rewrite
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    13
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    14
.. old-state:
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    15
..
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    16
.. * 1-changeset branch
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    17
..
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    18
.. new-state:
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    19
..
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    20
.. * 1-changeset branch succeeding to A, through another unpushed changesets
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    21
..
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    22
.. expected-result:
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    23
..
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    24
.. * push allowed
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    25
..
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    26
.. graph-summary:
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    27
..
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    28
..       A'
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    29
..   A ø⇠ø⇠◔ A''
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    30
..     |/ /
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    31
..     | /
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    32
..     |/
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    33
..     ●
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    34
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    35
  $ . $TESTDIR/testlib/push-checkheads-util.sh
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    36
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    37
Test setup
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    38
----------
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    39
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    40
  $ mkdir A8
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    41
  $ cd A8
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    42
  $ setuprepos
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    43
  creating basic server and client repo
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    44
  updating to branch default
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    45
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    46
  $ cd client
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    47
  $ hg up 0
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    48
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    49
  $ mkcommit A1
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    50
  created new head
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    51
  $ hg up 0
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    52
  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    53
  $ mkcommit A2
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    54
  created new head
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    55
  $ hg debugobsolete `getid "desc(A0)" ` `getid "desc(A1)"`
33542
b11e8c67fb0f debugobsolete: also report the number of obsoleted changesets
Boris Feld <boris.feld@octobus.net>
parents: 33252
diff changeset
    56
  obsoleted 1 changesets
31981
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    57
  $ hg debugobsolete `getid "desc(A1)" ` `getid "desc(A2)"`
33542
b11e8c67fb0f debugobsolete: also report the number of obsoleted changesets
Boris Feld <boris.feld@octobus.net>
parents: 33252
diff changeset
    58
  obsoleted 1 changesets
31981
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    59
  $ hg log -G --hidden
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    60
  @  c1f8d089020f (draft): A2
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    61
  |
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    62
  | x  f6082bc4ffef (draft): A1
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    63
  |/
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    64
  | x  8aaa48160adc (draft): A0
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    65
  |/
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    66
  o  1e4be0697311 (public): root
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    67
  
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    68
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    69
Actual testing
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    70
--------------
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    71
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    72
  $ hg push
35393
4441705b7111 tests: remove (glob) annotations that were only for '\' matches
Matt Harbison <matt_harbison@yahoo.com>
parents: 33542
diff changeset
    73
  pushing to $TESTTMP/A8/server
31981
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    74
  searching for changes
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    75
  adding changesets
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    76
  adding manifests
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    77
  adding file changes
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    78
  added 1 changesets with 1 changes to 1 files (+1 heads)
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    79
  2 new obsolescence markers
33252
53b3a1968aa6 obsolete: reports the number of local changeset obsoleted when unbundling
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 31981
diff changeset
    80
  obsoleted 1 changesets
31981
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    81
259f4e02533b obsolescence: add test for the "branch replacement" logic during push, case A8
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff changeset
    82
  $ cd ../..