From f372990b3a65b041f6097fc9623f2d458686abd4 Mon Sep 17 00:00:00 2001
From: Pierre-Yves David <pierre-yves.david@octobus.net>
Date: Sat, 27 May 2017 22:27:41 +0200
Subject: [PATCH] test: add a push race case where non-contiguous branch head
 are created

We check case where the raced push an update to branch default head while the
racing push update that same head but through another named branch.
---
 tests/test-push-race.t | 177 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 177 insertions(+)

diff --git a/tests/test-push-race.t b/tests/test-push-race.t
index 5729b1ff8e..b98d8f4c9e 100644
--- a/tests/test-push-race.t
+++ b/tests/test-push-race.t
@@ -895,3 +895,180 @@ Check the result of the push
   |/
   @  842e2fac6304 C-ROOT (default)
   
+
+racing commit push a new head behind another named branch
+---------------------------------------------------------
+
+non-continuous branch are valid case, we tests for them.
+
+#  b (branch default)
+#  |
+#  o (branch foo)
+#  |
+#  | a (raced, branch default)
+#  |/
+#  * (branch foo)
+#  |
+#  * (branch default)
+
+(resync-all + other branch)
+
+  $ hg -R ./server pull ./client-racy
+  pulling from ./client-racy
+  searching for changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 0 changes to 0 files
+  (run 'hg update' to get a working copy)
+
+(creates named branch on head)
+
+  $ hg -R ./server/ up 'desc("C-N")'
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg -R ./server/ branch other
+  marked working directory as branch other
+  $ hg -R ./server/ ci -m "C-Z"
+  $ hg -R ./server/ up null
+  0 files updated, 0 files merged, 3 files removed, 0 files unresolved
+
+(sync client)
+
+  $ hg -R ./client-other pull
+  pulling from ssh://user@dummy/server
+  searching for changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 2 changesets with 0 changes to 0 files
+  (run 'hg update' to get a working copy)
+  $ hg -R ./client-racy pull
+  pulling from ssh://user@dummy/server
+  searching for changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 2 changesets with 1 changes to 1 files (+1 heads)
+  (run 'hg heads .' to see heads, 'hg merge' to merge)
+
+  $ hg -R server graph
+  o  55a6f1c01b48 C-Z (other)
+  |
+  o    866a66e18630 C-N (default)
+  |\
+  +---o  6fd3090135df C-M (default)
+  | |
+  | o  cac2cead0ff0 C-L (default)
+  | |
+  o |  be705100c623 C-K (default)
+  |\|
+  o |  d603e2c0cdd7 C-E (default)
+  | |
+  | o  59e76faf78bd C-D (default)
+  | |
+  | | o  89420bf00fae C-J (default)
+  | | |
+  | | | o  b35ed749f288 C-I (my-second-test-branch)
+  | | |/
+  | | o  75d69cba5402 C-G (default)
+  | | |
+  | | | o  833be552cfe6 C-H (my-first-test-branch)
+  | | |/
+  | | o  d9e379a8c432 C-F (default)
+  | | |
+  +---o  51c544a58128 C-C (default)
+  | |
+  | o  a9149a1428e2 C-B (default)
+  | |
+  o |  98217d5a1659 C-A (default)
+  |/
+  o  842e2fac6304 C-ROOT (default)
+  
+
+Creating changesets
+
+(update default head through another named branch one)
+
+  $ hg -R client-other/ up 'desc("C-Z")'
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ echo aaa >> client-other/a
+  $ hg -R client-other/ commit -m "C-O"
+  $ echo aaa >> client-other/a
+  $ hg -R client-other/ branch --force default
+  marked working directory as branch default
+  $ hg -R client-other/ commit -m "C-P"
+  created new head
+
+(update default head)
+
+  $ hg -R client-racy/ up 'desc("C-Z")'
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ echo bbb >> client-other/a
+  $ hg -R client-racy/ branch --force default
+  marked working directory as branch default
+  $ hg -R client-racy/ commit -m "C-Q"
+  created new head
+
+Pushing
+
+  $ hg -R client-racy push -r 'tip' > ./push-log 2>&1 &
+
+  $ waiton $TESTTMP/readyfile
+
+  $ hg -R client-other push -fr 'tip' --new-branch
+  pushing to ssh://user@dummy/server
+  searching for changes
+  remote: adding changesets
+  remote: adding manifests
+  remote: adding file changes
+  remote: added 2 changesets with 1 changes to 1 files
+
+  $ release $TESTTMP/watchfile
+
+Check the result of the push
+
+  $ cat ./push-log
+  pushing to ssh://user@dummy/server
+  searching for changes
+  wrote ready: $TESTTMP/readyfile
+  waiting on: $TESTTMP/watchfile
+  abort: push failed:
+  'repository changed while pushing - please try again'
+
+  $ hg -R server graph
+  o  1b58ee3f79e5 C-P (default)
+  |
+  o  d0a85b2252a9 C-O (other)
+  |
+  o  55a6f1c01b48 C-Z (other)
+  |
+  o    866a66e18630 C-N (default)
+  |\
+  +---o  6fd3090135df C-M (default)
+  | |
+  | o  cac2cead0ff0 C-L (default)
+  | |
+  o |  be705100c623 C-K (default)
+  |\|
+  o |  d603e2c0cdd7 C-E (default)
+  | |
+  | o  59e76faf78bd C-D (default)
+  | |
+  | | o  89420bf00fae C-J (default)
+  | | |
+  | | | o  b35ed749f288 C-I (my-second-test-branch)
+  | | |/
+  | | o  75d69cba5402 C-G (default)
+  | | |
+  | | | o  833be552cfe6 C-H (my-first-test-branch)
+  | | |/
+  | | o  d9e379a8c432 C-F (default)
+  | | |
+  +---o  51c544a58128 C-C (default)
+  | |
+  | o  a9149a1428e2 C-B (default)
+  | |
+  o |  98217d5a1659 C-A (default)
+  |/
+  o  842e2fac6304 C-ROOT (default)
+