test: add a bit more logging

test/integration/connect/test_connect.py

@@ -29,8 +29,9 @@ def kill_remain_processes_wrapper(tt_cmd):
     )
     response = tt_proc.communicate()[0]
     procs = [psutil.Process(int(pid)) for pid in response.split()]
-
-    kill_procs(procs)
+    if len(procs) > 0:
+        print(f"Kill procs: {list(p.cmdline() for p in procs)}")
+        kill_procs(procs)
     assert len(procs) == 0, "Use `stop_app()` to terminate running instance"
 
 
@@ -61,7 +62,8 @@ def start_app(tt_cmd, tmpdir_with_cfg, app_name, start_binary_port=False):
 
 def stop_app(tt_cmd, tmpdir, app_name):
     stop_cmd = [tt_cmd, "--no-prompt", "stop", app_name]
-    run_command_and_get_output(stop_cmd, cwd=tmpdir)
+    code, output = run_command_and_get_output(stop_cmd, cwd=tmpdir)
+    print(f"Stop app: {stop_cmd} -> code={code}, output='{output}'")
 
 
 def try_execute_on_instance(tt_cmd, tmpdir, instance,
@@ -93,6 +95,7 @@ def try_execute_on_instance(tt_cmd, tmpdir, instance,
         text=True,
         env=env,
     )
+    # print(f"Command: {connect_cmd} << {stdin} -> returncode={instance_process.returncode}")
     return instance_process.returncode == 0, instance_process.stdout
 
 
@@ -295,12 +298,14 @@ def test_connect_and_get_commands_outputs(tt_cmd, tmpdir_with_cfg):
         assert file != ""
 
         for key, value in commands.items():
-            ret, output = try_execute_on_instance(tt_cmd, tmpdir, "localhost:3013", stdin=key)
-            print(output)
-            assert ret
+            success, output = try_execute_on_instance(tt_cmd, tmpdir, "localhost:3013", stdin=key)
+            # print(f"success={success}: {output}")
+            assert success
 
             assert output == value
+        print("Done all commands.")
     finally:
+        print("--- Finally ---")
         stop_app(tt_cmd, tmpdir, "test_app")