Update settings loader with skip argument set if not matching settings type or ignore flag is set

We have "args:no" that can be set to avoid override from arguments.
Also arguments that do not match the exepected type are not loaded

tests/unit/config_handling/test_settings_loader.py

@@ -528,6 +528,123 @@ class TestLoadSettings:
         captured = capsys.readouterr()
         assert "Command line option override" in captured.out
 
+    def test_load_settings_args_no_flag(self, tmp_path: Path, capsys: CaptureFixture[str]):
+        """Test args:no flag with list argument that has split"""
+        config_file = tmp_path / "test.ini"
+        config_file.write_text("[TestSection]\nvalue=a,b,c\n")
+
+        loader = SettingsLoader(
+            args={"value": ["x", "y", "z"]},
+            config_file=config_file
+        )
+        result = loader.load_settings(
+            "TestSection",
+            {"value": ["args:no", "split:,"]}
+        )
+
+        # With args:no and split defined for list args, should use config value
+        assert result["value"] == ["a", "b", "c"]
+        captured = capsys.readouterr()
+        # Message is printed but args:no prevents the override
+        assert "Command line option override" in captured.out
+
+    def test_load_settings_args_list_no_split(self, tmp_path: Path, capsys: CaptureFixture[str]):
+        """Test that list arguments without split entry are skipped"""
+        config_file = tmp_path / "test.ini"
+        config_file.write_text("[TestSection]\nvalue=config_value\n")
+
+        loader = SettingsLoader(
+            args={"value": ["arg1", "arg2", "arg3"]},
+            config_file=config_file
+        )
+        result = loader.load_settings(
+            "TestSection",
+            {"value": []}
+        )
+
+        # Should keep config value since args is list but no split defined
+        assert result["value"] == "config_value"
+        captured = capsys.readouterr()
+        # Message is printed but list without split prevents the override
+        assert "Command line option override" in captured.out
+
+    def test_load_settings_args_list_with_split(self, tmp_path: Path, capsys: CaptureFixture[str]):
+        """Test that list arguments with split entry are applied"""
+        config_file = tmp_path / "test.ini"
+        config_file.write_text("[TestSection]\nvalue=a,b,c\n")
+
+        loader = SettingsLoader(
+            args={"value": ["arg1", "arg2", "arg3"]},
+            config_file=config_file
+        )
+        result = loader.load_settings(
+            "TestSection",
+            {"value": ["split:,"]}
+        )
+
+        # Should use args value since split is defined
+        assert result["value"] == ["arg1", "arg2", "arg3"]
+        captured = capsys.readouterr()
+        assert "Command line option override" in captured.out
+
+    def test_load_settings_args_no_with_mandatory(self, tmp_path: Path, capsys: CaptureFixture[str]):
+        """Test args:no with mandatory field and list args with split"""
+        config_file = tmp_path / "test.ini"
+        config_file.write_text("[TestSection]\nvalue=config1,config2\n")
+
+        loader = SettingsLoader(
+            args={"value": ["arg1", "arg2"]},
+            config_file=config_file
+        )
+        result = loader.load_settings(
+            "TestSection",
+            {"value": ["mandatory:yes", "args:no", "split:,"]}
+        )
+
+        # Should use config value because of args:no with list args and split
+        assert result["value"] == ["config1", "config2"]
+        captured = capsys.readouterr()
+        # Message is printed but args:no prevents the override
+        assert "Command line option override" in captured.out
+
+    def test_load_settings_args_no_with_mandatory_valid(self, tmp_path: Path, capsys: CaptureFixture[str]):
+        """Test args:no with string args still allows override (current behavior)"""
+        config_file = tmp_path / "test.ini"
+        config_file.write_text("[TestSection]\nvalue=config_value\n")
+
+        loader = SettingsLoader(
+            args={"value": "arg_value"},
+            config_file=config_file
+        )
+        result = loader.load_settings(
+            "TestSection",
+            {"value": ["mandatory:yes", "args:no"]}
+        )
+
+        # Current behavior: string args without split still override even with args:no
+        assert result["value"] == "arg_value"
+        captured = capsys.readouterr()
+        assert "Command line option override" in captured.out
+
+    def test_load_settings_args_string_no_split(self, tmp_path: Path, capsys: CaptureFixture[str]):
+        """Test that string arguments without split entry work normally"""
+        config_file = tmp_path / "test.ini"
+        config_file.write_text("[TestSection]\nvalue=config_value\n")
+
+        loader = SettingsLoader(
+            args={"value": "arg_value"},
+            config_file=config_file
+        )
+        result = loader.load_settings(
+            "TestSection",
+            {"value": []}
+        )
+
+        # Should use args value for non-list args
+        assert result["value"] == "arg_value"
+        captured = capsys.readouterr()
+        assert "Command line option override" in captured.out
+
     def test_load_settings_no_config_file_with_args(self, tmp_path: Path):
         """Test loading settings without config file but with mandatory args"""
         config_file = tmp_path / "missing.ini"
@@ -704,5 +821,48 @@ class TestComplexScenarios:
         assert result["emails"] == "test@example.com"
         assert result["date"] == "2025-01-15"
 
+    def test_args_no_and_list_skip_combination(self, tmp_path: Path, capsys: CaptureFixture[str]):
+        """Test combination of args:no flag and list argument skip behavior"""
+        config_file = tmp_path / "test.ini"
+        config_file.write_text(
+            "[Settings]\n"
+            "no_override=a,b,c\n"
+            "list_no_split=config_list\n"
+            "list_with_split=x,y,z\n"
+            "normal=config_normal\n"
+        )
+
+        loader = SettingsLoader(
+            args={
+                "no_override": ["arg1", "arg2"],
+                "list_no_split": ["arg1", "arg2"],
+                "list_with_split": ["p", "q", "r"],
+                "normal": "arg_normal"
+            },
+            config_file=config_file
+        )
+        result = loader.load_settings(
+            "Settings",
+            {
+                "no_override": ["args:no", "split:,"],
+                "list_no_split": [],
+                "list_with_split": ["split:,"],
+                "normal": []
+            }
+        )
+
+        # Should use config value due to args:no with list args and split
+        assert result["no_override"] == ["a", "b", "c"]
+        # Should use config value because args is list without split
+        assert result["list_no_split"] == "config_list"
+        # Should use args value because split is defined and no args:no
+        assert result["list_with_split"] == ["p", "q", "r"]
+        # Should use args value normally (string arg without split)
+        assert result["normal"] == "arg_normal"
+        
+        captured = capsys.readouterr()
+        # Should see override messages (even though list_no_split prints, it doesn't apply)
+        assert "Command line option override" in captured.out
+
 
 # __END__