refactor: add pydantic config, add change_theme

tests/unit_tests/test_text_box_widget.py

@@ -18,26 +18,38 @@ def text_box_widget(qtbot, mocked_client):
 
 
 def test_textbox_widget(text_box_widget):
-
-    text_box_widget.set_text("Hello World!")
-    # pylint: disable=protected-access
-    assert text_box_widget._text == "Hello World!"
+    """Test the TextBox widget."""
+    text = "Hello World!"
+    text_box_widget.set_text(text)
+    assert text_box_widget.toPlainText() == text
 
     text_box_widget.set_color("#FFDDC1", "#123456")
     text_box_widget.set_font_size(20)
     assert (
         text_box_widget.styleSheet() == "background-color: #FFDDC1; color: #123456; font-size: 20px"
     )
+    text_box_widget.set_color("white", "blue")
+    text_box_widget.set_font_size(14)
+    assert text_box_widget.styleSheet() == "background-color: white; color: blue; font-size: 14px"
+    text = "<h1>Welcome to PyQt6</h1><p>This is an example of displaying <strong>HTML</strong> text.</p>"
+    with mock.patch.object(text_box_widget, "setHtml") as mocked_set_html:
+        text_box_widget.set_text(text)
+        assert mocked_set_html.call_count == 1
+        assert mocked_set_html.call_args == mock.call(text)
 
-    with mock.patch.object(text_box_widget, "setHtml") as mock_set_plain_text:
-        text_box_widget.set_text(
-            "<h1>Welcome to PyQt6</h1><p>This is an example of displaying <strong>HTML</strong> text.</p>"
-        )
-        assert mock_set_plain_text.call_args == mock.call(
-            "<h1>Welcome to PyQt6</h1><p>This is an example of displaying <strong>HTML</strong> text.</p>"
-        )
-        # pylint: disable=protected-access
-        assert (
-            text_box_widget._text
-            == "<h1>Welcome to PyQt6</h1><p>This is an example of displaying <strong>HTML</strong> text.</p>"
-        )
+
+def test_textbox_change_theme(text_box_widget):
+    """Test change theme functionaility"""
+    # Default is dark theme
+    text_box_widget.change_theme()
+    assert text_box_widget.config.theme == "light"
+    assert (
+        text_box_widget.styleSheet()
+        == f"background-color: #FFF; color: #000; font-size: {text_box_widget.config.font_size}px"
+    )
+    text_box_widget.change_theme()
+    assert text_box_widget.config.theme == "dark"
+    assert (
+        text_box_widget.styleSheet()
+        == f"background-color: #000; color: #FFF; font-size: {text_box_widget.config.font_size}px"
+    )