--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-topic-flow-single-head.t Mon Oct 30 19:24:14 2017 +0100
@@ -0,0 +1,189 @@
+=====================
+Test workflow options
+=====================
+
+ $ . "$TESTDIR/testlib/topic_setup.sh"
+ $ . "$TESTDIR/testlib/common.sh"
+
+Test single head enforcing - Setup
+=============================================
+
+ $ hg init single-head-server
+ $ cd single-head-server
+ $ cat <<EOF >> .hg/hgrc
+ > [phases]
+ > publish = no
+ > [experimental]
+ > enforce-single-head = yes
+ > evolution = all
+ > EOF
+ $ mkcommit ROOT
+ $ mkcommit c_dA0
+ $ cd ..
+
+ $ hg clone single-head-server client
+ updating to branch default
+ 2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+Test single head enforcing - with branch only
+---------------------------------------------
+
+ $ cd client
+
+continuing the current defaultbranch
+
+ $ mkcommit c_dB0
+ $ hg push
+ pushing to $TESTTMP/single-head-server
+ searching for changes
+ adding changesets
+ adding manifests
+ adding file changes
+ added 1 changesets with 1 changes to 1 files
+
+creating a new branch
+
+ $ hg up 'desc("ROOT")'
+ 0 files updated, 0 files merged, 2 files removed, 0 files unresolved
+ $ hg branch branch_A
+ marked working directory as branch branch_A
+ (branches are permanent and global, did you want a bookmark?)
+ $ mkcommit c_aC0
+ $ hg push --new-branch
+ pushing to $TESTTMP/single-head-server
+ searching for changes
+ adding changesets
+ adding manifests
+ adding file changes
+ added 1 changesets with 1 changes to 1 files (+1 heads)
+
+Create a new head on the default branch
+
+ $ hg up 'desc("c_dA0")'
+ 1 files updated, 0 files merged, 1 files removed, 0 files unresolved
+ $ mkcommit c_dD0
+ created new head
+ $ hg push -f
+ pushing to $TESTTMP/single-head-server
+ searching for changes
+ adding changesets
+ adding manifests
+ adding file changes
+ added 1 changesets with 1 changes to 1 files (+1 heads)
+ transaction abort!
+ rollback completed
+ abort: 2 heads on "default"
+ (286d02a6e2a2, 9bf953aa81f6)
+ [255]
+
+remerge them
+
+ $ hg merge
+ 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+ (branch merge, don't forget to commit)
+ $ mkcommit c_dE0
+ $ hg push
+ pushing to $TESTTMP/single-head-server
+ searching for changes
+ adding changesets
+ adding manifests
+ adding file changes
+ added 2 changesets with 2 changes to 2 files
+
+Test single head enforcing - with topic
+---------------------------------------
+
+pushing a new topic
+
+ $ hg topic foo
+ marked working directory as topic: foo
+ $ mkcommit c_dF0
+ active topic 'foo' grew its first changeset
+ $ hg push
+ pushing to $TESTTMP/single-head-server
+ searching for changes
+ adding changesets
+ adding manifests
+ adding file changes
+ added 1 changesets with 1 changes to 1 files
+
+pushing a new topo branch (with a topic)
+
+ $ hg up 'desc("c_dD0")'
+ 0 files updated, 0 files merged, 3 files removed, 0 files unresolved
+ $ hg topic bar
+ marked working directory as topic: bar
+ $ mkcommit c_dG0
+ active topic 'bar' grew its first changeset
+ $ hg push
+ pushing to $TESTTMP/single-head-server
+ searching for changes
+ adding changesets
+ adding manifests
+ adding file changes
+ added 1 changesets with 1 changes to 1 files (+1 heads)
+
+detect multiple heads on the topic
+
+ $ mkcommit c_dH0
+ $ hg push
+ pushing to $TESTTMP/single-head-server
+ searching for changes
+ adding changesets
+ adding manifests
+ adding file changes
+ added 1 changesets with 1 changes to 1 files
+ $ hg up 'desc("c_dG0")'
+ 0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+ $ mkcommit c_dI0
+ $ hg push -f
+ pushing to $TESTTMP/single-head-server
+ searching for changes
+ adding changesets
+ adding manifests
+ adding file changes
+ added 1 changesets with 1 changes to 1 files (+1 heads)
+ transaction abort!
+ rollback completed
+ abort: 2 heads on "default:bar"
+ (5194f5dcd542, 48a01453c1c5)
+ [255]
+
+merge works fine
+
+ $ hg merge
+ 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+ (branch merge, don't forget to commit)
+ $ mkcommit c_dJ0
+ $ hg push
+ pushing to $TESTTMP/single-head-server
+ searching for changes
+ adding changesets
+ adding manifests
+ adding file changes
+ added 2 changesets with 2 changes to 2 files
+
+Test single head enforcing - by phase move
+------------------------------------------
+
+ $ hg -R ../single-head-server phase --public 'desc("c_dJ0")'
+ abort: 2 heads on "default"
+ (6ed1df20edb1, 678bca4de98c)
+ [255]
+
+Test single head enforcing - after rewrite
+------------------------------------------
+
+ $ hg up foo
+ switching to topic foo
+ 3 files updated, 0 files merged, 4 files removed, 0 files unresolved
+ $ hg commit --amend -m c_dF1
+ $ hg push
+ pushing to $TESTTMP/single-head-server
+ searching for changes
+ adding changesets
+ adding manifests
+ adding file changes
+ added 1 changesets with 0 changes to 1 files (+1 heads)
+ 1 new obsolescence markers
+ obsoleted 1 changesets