--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-releasenotes-merging.t	Fri Jun 02 23:33:30 2017 +0200
@@ -0,0 +1,112 @@
+  $ cat >> $HGRCPATH << EOF
+  > [extensions]
+  > releasenotes=
+  > EOF
+
+  $ hg init simple-repo
+  $ cd simple-repo
+
+A fix directive from commit message is added to release notes
+
+  $ touch fix1
+  $ hg -q commit -A -l - << EOF
+  > commit 1
+  > 
+  > .. fix::
+  > 
+  >    Fix from commit message.
+  > EOF
+
+  $ cat >> $TESTTMP/single-fix-bullet << EOF
+  > Bug Fixes
+  > =========
+  > 
+  > * Fix from release notes.
+  > EOF
+
+  $ hg releasenotes -r . $TESTTMP/single-fix-bullet
+
+  $ cat $TESTTMP/single-fix-bullet
+  Bug Fixes
+  =========
+  
+  * Fix from release notes.
+  
+  * Fix from commit message.
+
+Processing again will no-op
+TODO this is buggy
+
+  $ hg releasenotes -r . $TESTTMP/single-fix-bullet
+
+  $ cat $TESTTMP/single-fix-bullet
+  Bug Fixes
+  =========
+  
+  * Fix from release notes.
+  
+    Fix from commit message.
+  
+  * Fix from commit message.
+
+  $ cd ..
+
+Sections are unioned
+
+  $ hg init subsections
+  $ cd subsections
+  $ touch fix1
+  $ hg -q commit -A -l - << EOF
+  > Commit 1
+  > 
+  > .. feature:: Commit Message Feature
+  > 
+  >    This describes a feature from a commit message.
+  > EOF
+
+  $ cat >> $TESTTMP/single-feature-section << EOF
+  > New Features
+  > ============
+  > 
+  > Notes Feature
+  > -------------
+  > 
+  > This describes a feature from a release notes file.
+  > EOF
+
+  $ hg releasenotes -r . $TESTTMP/single-feature-section
+
+  $ cat $TESTTMP/single-feature-section
+  New Features
+  ============
+  
+  Notes Feature
+  -------------
+  
+  This describes a feature from a release notes file.
+  
+  Commit Message Feature
+  ----------------------
+  
+  This describes a feature from a commit message.
+
+Doing it again won't add another section
+
+  $ hg releasenotes -r . $TESTTMP/single-feature-section
+  Commit Message Feature already exists in feature section; ignoring
+
+  $ cat $TESTTMP/single-feature-section
+  New Features
+  ============
+  
+  Notes Feature
+  -------------
+  
+  This describes a feature from a release notes file.
+  
+  Commit Message Feature
+  ----------------------
+  
+  This describes a feature from a commit message.
+
+  $ cd ..