--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-hooklib-enforce_draft_commits.t	Sat Sep 07 14:50:39 2019 +0200
@@ -0,0 +1,45 @@
+  $ cat <<EOF >> $HGRCPATH
+  > [extensions]
+  > hooklib =
+  > 
+  > [phases]
+  > publish = False
+  > EOF
+  $ hg init a
+  $ hg --cwd a debugbuilddag .
+  $ hg --cwd a phase --public 0
+  $ hg init b
+  $ cat <<EOF >> b/.hg/hgrc
+  > [hooks]
+  > pretxnclose-phase.enforce_draft_commits = \
+  >   python:hgext.hooklib.enforce_draft_commits.hook
+  > EOF
+  $ hg --cwd b pull ../a
+  pulling from ../a
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  error: pretxnclose-phase.enforce_draft_commits hook failed: New changeset 1ea73414a91b in phase 'public' rejected
+  transaction abort!
+  rollback completed
+  abort: New changeset 1ea73414a91b in phase 'public' rejected
+  [255]
+  $ hg --cwd a phase --force --draft 0
+  $ hg --cwd b pull ../a
+  pulling from ../a
+  requesting all changes
+  adding changesets
+  adding manifests
+  adding file changes
+  added 1 changesets with 0 changes to 0 files
+  new changesets 1ea73414a91b (1 drafts)
+  (run 'hg update' to get a working copy)
+  $ hg --cwd a phase --public 0
+  $ hg --cwd b pull ../a
+  pulling from ../a
+  searching for changes
+  no changes found
+  error: pretxnclose-phase.enforce_draft_commits hook failed: Phase change from 'draft' to 'public' for 1ea73414a91b rejected
+  abort: Phase change from 'draft' to 'public' for 1ea73414a91b rejected
+  [255]