view tests/test-dirstate-race.t @ 32653:53f47cc085d8

test: add a file dedicated to push race between clients

There are very few tests around the detection of push race. This file will be
dedicated to covering these cases more through fully. We start with a simple
case. More complex cases get added in later changesets.

My end goal here is to provide a way for server to accept concurrent push as
long as they are not touching the same heads. However, I want to buff the test
coverage of that code before touching anything.

  $ hg init
  $ echo a > a
  $ hg add a
  $ hg commit -m test

Do we ever miss a sub-second change?:

  $ for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
  >     hg co -qC 0
  >     echo b > a
  >     hg st
  > done
  M a
  M a
  M a
  M a
  M a
  M a
  M a
  M a
  M a
  M a
  M a
  M a
  M a
  M a
  M a
  M a
  M a
  M a
  M a
  M a