#12958 Check if executable exists before trying to launch ResInsight

GrpcInterface/Python/rips/instance.py

@@ -153,6 +153,13 @@ class Instance:
             else:
                 resinsight_executable = resinsight_executable_from_env
 
+        # Check if executable file exists
+        if not os.path.isfile(resinsight_executable):
+            print(
+                f"ERROR: ResInsight executable not found at path: {resinsight_executable}"
+            )
+            return None
+
         print("Trying to launch", resinsight_executable)
         with tempfile.TemporaryDirectory() as tmp_dir_path:
             port_number_file = tmp_dir_path + "/portnumber.txt"

GrpcInterface/Python/rips/tests/test_launch.py

@@ -7,6 +7,11 @@ sys.path.insert(1, os.path.join(sys.path[0], "../../"))
 import rips
 
 
+def test_launch_non_existing(rips_instance, initialize_test):
+    instance = rips.Instance.launch("non_existing", console=True)
+    assert instance is None
+
+
 def launch_resinsight(sec=1):
     resinsight_executable_from_env = os.environ.get("RESINSIGHT_EXECUTABLE")
     if resinsight_executable_from_env is None: