From 169ac90fb50e2f579dee01f0d063621dc5574d0e Mon Sep 17 00:00:00 2001
From: Thomas Carmet <8408330+tcarmet@users.noreply.github.com>
Date: Fri, 9 Aug 2024 21:00:54 +0000
Subject: [PATCH] PTFE-1927 add full test with lonely stab

---
 bert_e/tests/test_bert_e.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/bert_e/tests/test_bert_e.py b/bert_e/tests/test_bert_e.py
index 350d4821..bca5a3d9 100644
--- a/bert_e/tests/test_bert_e.py
+++ b/bert_e/tests/test_bert_e.py
@@ -4951,6 +4951,18 @@ def test_dev_major_only(self):
                 'origin/stabilization/4.3.18'
             )
 
+    def test_dev_major_lonely_stab(self):
+        """Test Bert-E's handling of a lonely stabilization/x.y.z branch."""
+        # create a stabilization 4.5.2 branch from development/4
+        self.gitrepo.cmd('git fetch')
+        self.gitrepo.cmd('git checkout -b stabilization/4.5.2 origin/development/4')
+        self.gitrepo.cmd('git push -u origin stabilization/4.5.2')
+        # create a PR from the stabilization branch
+        pr = self.create_pr('bugfix/TEST-01', 'stabilization/4.5.2')
+        # expect a DevBranchDoesNotExist exception
+        with self.assertRaises(exns.DevBranchDoesNotExist):
+            self.handle(pr.id, options=self.bypass_all, backtrace=True)
+
 
 class TestQueueing(RepositoryTests):
     """Tests which validate all things related to the merge queue.