test: test_hierarchy.py added

bec_widgets/qt_utils/widget_hierarchy.py

@@ -119,7 +119,12 @@ def print_widget_hierarchy(
 
 
 def export_config_to_dict(
-    widget, config=None, indent=0, grab_values: bool = False, print_hierarchy: bool = False
+    widget,
+    config=None,
+    indent=0,
+    grab_values: bool = False,
+    print_hierarchy: bool = False,
+    save_all: bool = True,
 ) -> dict:
     """
     Export the widget hierarchy to a dictionary.
@@ -129,21 +134,34 @@ def export_config_to_dict(
         indent(int,optional): Level of indentation.
         grab_values(bool,optional): Whether to grab the values of the widgets.
         print_hierarchy(bool,optional): Whether to print the hierarchy to the console.
+        save_all(bool,optional): Whether to save all widgets or only those with values.
     Returns:
         config(dict): Dictionary containing the widget hierarchy.
     """
     if config is None:
         config = {}
     widget_info = f"{widget.__class__.__name__} ({widget.objectName()})"
-    config[widget_info] = {}
+
     if grab_values:
         value = get_value(widget)
-        if value is not None:
+        if value is not None or save_all:
-            config[widget_info]["value"] = value
+            if widget_info not in config:
+                config[widget_info] = {}
+            if value is not None:
+                config[widget_info]["value"] = value
+
     if print_hierarchy:
         print_widget_hierarchy(widget, indent, grab_values)
+
     for child in widget.children():
-        export_config_to_dict(child, config, indent + 1, grab_values, print_hierarchy)
+        child_config = export_config_to_dict(
+            child, None, indent + 1, grab_values, print_hierarchy, save_all
+        )
+        if child_config or save_all:
+            if widget_info not in config:
+                config[widget_info] = {}
+            config[widget_info].update(child_config)
+
     return config
 
 
@@ -208,7 +226,11 @@ if __name__ == "__main__":
     import_config_from_dict(main_widget, new_config_dict, set_values=True)
     print(30 * "#")
     config_dict_new = export_config_to_dict(main_widget, grab_values=True, print_hierarchy=True)
+    config_dict_new_reduced = export_config_to_dict(
+        main_widget, grab_values=True, print_hierarchy=True, save_all=False
+    )
     print(30 * "#")
-    print(f"Config dict new: {config_dict_new}")
+    print(f"Config dict new FULL: {config_dict_new}")
+    print(f"Config dict new REDUCED: {config_dict_new_reduced}")
 
     app.exec()

tests/test_hierarchy.py

@@ -0,0 +1,99 @@
+import pytest
+from PyQt5.QtWidgets import (
+    QWidget,
+    QVBoxLayout,
+    QLineEdit,
+    QComboBox,
+    QTableWidget,
+    QSpinBox,
+)
+
+from bec_widgets.qt_utils.widget_hierarchy import (
+    export_config_to_dict,
+    import_config_from_dict,
+)
+
+
+@pytest.fixture(scope="function")
+def example_widget(qtbot):
+    # Create a widget with a few child widgets
+    main_widget = QWidget()
+    layout = QVBoxLayout(main_widget)
+    line_edit = QLineEdit(main_widget)
+    combo_box = QComboBox(main_widget)
+    table_widget = QTableWidget(2, 2, main_widget)
+    spin_box = QSpinBox(main_widget)
+    layout.addWidget(line_edit)
+    layout.addWidget(combo_box)
+    layout.addWidget(table_widget)
+    layout.addWidget(spin_box)
+
+    # Add text items to the combo box
+    combo_box.addItems(["Option 1", "Option 2", "Option 3"])
+
+    qtbot.addWidget(main_widget)
+    qtbot.waitExposed(main_widget)
+    yield main_widget
+
+
+def test_export_import_config(example_widget):
+    initial_config = {
+        "QWidget ()": {
+            "QLineEdit ()": {"value": "New Text"},
+            "QComboBox ()": {"value": 1},
+            "QTableWidget ()": {"value": [["a", "b"], ["c", "d"]]},
+            "QSpinBox ()": {"value": 10},
+        }
+    }
+    import_config_from_dict(example_widget, initial_config, set_values=True)
+
+    exported_config_full = export_config_to_dict(example_widget, grab_values=True)
+    exported_config_reduced = export_config_to_dict(
+        example_widget, grab_values=True, save_all=False
+    )
+
+    expected_full = {
+        "QWidget ()": {
+            "QVBoxLayout ()": {},
+            "QLineEdit ()": {"value": "New Text", "QObject ()": {}},
+            "QComboBox ()": {"value": 1, "QStandardItemModel ()": {}},
+            "QTableWidget ()": {
+                "value": [["a", "b"], ["c", "d"]],
+                "QWidget (qt_scrollarea_viewport)": {},
+                "QStyledItemDelegate ()": {},
+                "QHeaderView ()": {
+                    "QWidget (qt_scrollarea_viewport)": {},
+                    "QWidget (qt_scrollarea_hcontainer)": {
+                        "QScrollBar ()": {},
+                        "QBoxLayout ()": {},
+                    },
+                    "QWidget (qt_scrollarea_vcontainer)": {
+                        "QScrollBar ()": {},
+                        "QBoxLayout ()": {},
+                    },
+                    "QItemSelectionModel ()": {},
+                },
+                "QAbstractButton ()": {},
+                "QAbstractTableModel ()": {},
+                "QItemSelectionModel ()": {},
+                "QWidget (qt_scrollarea_hcontainer)": {"QScrollBar ()": {}, "QBoxLayout ()": {}},
+                "QWidget (qt_scrollarea_vcontainer)": {"QScrollBar ()": {}, "QBoxLayout ()": {}},
+            },
+            "QSpinBox ()": {
+                "value": 10,
+                "QLineEdit (qt_spinbox_lineedit)": {"value": "10", "QObject ()": {}},
+                "QValidator (qt_spinboxvalidator)": {},
+            },
+        }
+    }
+    expected_reduced = {
+        "QWidget ()": {
+            "QLineEdit ()": {"value": "New Text"},
+            "QComboBox ()": {"value": 1},
+            "QTableWidget ()": {"value": [["a", "b"], ["c", "d"]]},
+            "QSpinBox ()": {"value": 10, "QLineEdit (qt_spinbox_lineedit)": {"value": "10"}},
+        }
+    }
+
+    assert exported_config_full == expected_full
+    assert exported_config_reduced == expected_reduced