From cc18927ccfcd33f13990d8cba0bb96b5ee7d380a Mon Sep 17 00:00:00 2001
From: Sam Leeman-Munk <Sam.Leeman-Munk@sas.com>
Date: Mon, 8 Jan 2024 08:49:07 -0500
Subject: [PATCH] Improved error message

when calling symget on a dead session
---
 saspy/sasbase.py           |  2 ++
 saspy/tests/test_symget.py | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 saspy/tests/test_symget.py

diff --git a/saspy/sasbase.py b/saspy/sasbase.py
index 9bb8ab4e..9405826f 100644
--- a/saspy/sasbase.py
+++ b/saspy/sasbase.py
@@ -2093,6 +2093,8 @@ def symexist(self, name: str):
         ll = self._io.submit("%put " + name + "BEGIN=%symexist(" + name + ") "+ name+"END=;\n")
         l2 = ll['LOG'].rpartition(name + "BEGIN=")[2].rpartition(name+"END=")[0].strip().replace('\n','')
 
+        if l2 == '':
+           raise ValueError("Failed to execute symexist. Your session may be dead.")
         var = int(l2)
 
         return bool(var)
diff --git a/saspy/tests/test_symget.py b/saspy/tests/test_symget.py
new file mode 100644
index 00000000..e6ef15ba
--- /dev/null
+++ b/saspy/tests/test_symget.py
@@ -0,0 +1,18 @@
+import unittest
+import saspy
+
+
+class TestSASViyaML(unittest.TestCase):
+
+    def testSymgetOnDeadSession(self):
+        sas = saspy.SASsession()
+        
+        results = sas.submit("endsas;")
+
+        try:
+            sas.SYSINFO()
+        except ValueError as e:
+            self.assertFalse(str(e)!="Failed to execute symexist. Your session may be dead.")
+
+if __name__ == '__main__':
+    unittest.main()