Add validation/prevent --set-owner, --set-owner-short, and --set-ham from accepting empty or whitespace-only names. This is in relation to meshtastic#6867 firmware feature request https://github.com/meshtastic/firmware/issues/6867

meshtastic/tests/test_main.py

@@ -2713,3 +2713,79 @@ def test_remove_ignored_node():
         main()
 
     mocked_node.removeIgnored.assert_called_once_with("!12345678")
+
+@pytest.mark.unit
+@pytest.mark.usefixtures("reset_mt_config")
+def test_main_set_owner_short_to_bob(capsys):
+    """Test --set-owner-short bob"""
+    sys.argv = ["", "--set-owner-short", "bob"]
+    mt_config.args = sys.argv
+
+    iface = MagicMock(autospec=SerialInterface)
+    with patch("meshtastic.serial_interface.SerialInterface", return_value=iface) as mo:
+        main()
+        out, err = capsys.readouterr()
+        assert re.search(r"Connected to radio", out, re.MULTILINE)
+        assert re.search(r"Setting device owner short to bob", out, re.MULTILINE)
+        assert err == ""
+        mo.assert_called()
+
+
+@pytest.mark.unit
+@pytest.mark.usefixtures("reset_mt_config")
+def test_main_set_owner_whitespace_only(capsys):
+    """Test --set-owner with whitespace-only name"""
+    sys.argv = ["", "--set-owner", "   "]
+    mt_config.args = sys.argv
+
+    with pytest.raises(SystemExit) as excinfo:
+        main()
+    
+    out, err = capsys.readouterr()
+    assert "ERROR: Long Name cannot be empty or contain only whitespace characters" in out
+    assert excinfo.value.code == 1
+
+
+@pytest.mark.unit
+@pytest.mark.usefixtures("reset_mt_config")
+def test_main_set_owner_empty_string(capsys):
+    """Test --set-owner with empty string"""
+    sys.argv = ["", "--set-owner", ""]
+    mt_config.args = sys.argv
+
+    with pytest.raises(SystemExit) as excinfo:
+        main()
+    
+    out, err = capsys.readouterr()
+    assert "ERROR: Long Name cannot be empty or contain only whitespace characters" in out
+    assert excinfo.value.code == 1
+
+
+@pytest.mark.unit
+@pytest.mark.usefixtures("reset_mt_config")
+def test_main_set_owner_short_whitespace_only(capsys):
+    """Test --set-owner-short with whitespace-only name"""
+    sys.argv = ["", "--set-owner-short", "   "]
+    mt_config.args = sys.argv
+
+    with pytest.raises(SystemExit) as excinfo:
+        main()
+    
+    out, err = capsys.readouterr()
+    assert "ERROR: Short Name cannot be empty or contain only whitespace characters" in out
+    assert excinfo.value.code == 1
+
+
+@pytest.mark.unit
+@pytest.mark.usefixtures("reset_mt_config")
+def test_main_set_owner_short_empty_string(capsys):
+    """Test --set-owner-short with empty string"""
+    sys.argv = ["", "--set-owner-short", ""]
+    mt_config.args = sys.argv
+
+    with pytest.raises(SystemExit) as excinfo:
+        main()
+    
+    out, err = capsys.readouterr()
+    assert "ERROR: Short Name cannot be empty or contain only whitespace characters" in out
+    assert excinfo.value.code == 1