feat(plot_base_next_gen): new type of plot base inherited from QWidget

tests/unit_tests/test_axis_settings.py

@@ -0,0 +1,105 @@
+import pytest
+from qtpy.QtWidgets import QDoubleSpinBox, QLineEdit
+
+from bec_widgets.widgets.plots_next_gen.plot_base import PlotBase
+from bec_widgets.widgets.plots_next_gen.setting_menus.axis_settings import AxisSettings
+from tests.unit_tests.client_mocks import mocked_client
+from tests.unit_tests.conftest import create_widget
+
+
+@pytest.fixture
+def axis_settings_fixture(qtbot, mocked_client):
+    """
+    Creates an AxisSettings widget, targeting the real PlotBase widget.
+    """
+
+    plot_base = create_widget(qtbot, PlotBase, client=mocked_client)
+    axis_settings = create_widget(qtbot, AxisSettings, parent=None, target_widget=plot_base)
+    return axis_settings, plot_base
+
+
+def test_axis_settings_init(axis_settings_fixture):
+    """
+    Ensure AxisSettings constructs properly with a real PlotBase target.
+    """
+    axis_settings, plot_base = axis_settings_fixture
+    # Verify the UI was loaded and placed in a scroll area
+    assert axis_settings.ui is not None
+    assert axis_settings.scroll_area is not None
+    assert axis_settings.layout.count() == 1  # scroll area
+    # Check the target
+    assert axis_settings.target_widget == plot_base
+
+
+def test_change_ui_updates_plot_base(axis_settings_fixture, qtbot):
+    """
+    When user edits AxisSettings UI fields, verify that PlotBase's properties update.
+    """
+    axis_settings, plot_base = axis_settings_fixture
+
+    # 1) Set the 'title'
+    title_edit = axis_settings.ui.title
+    assert isinstance(title_edit, QLineEdit)
+    with qtbot.waitSignal(plot_base.property_changed, timeout=500) as signal:
+        title_edit.setText("New Plot Title")
+
+    assert signal.args == ["title", "New Plot Title"]
+    assert plot_base.title == "New Plot Title"
+
+    # 2) Set x_min spinbox
+    x_max_spin = axis_settings.ui.x_max
+    assert isinstance(x_max_spin, QDoubleSpinBox)
+    with qtbot.waitSignal(plot_base.property_changed, timeout=500) as signal2:
+        x_max_spin.setValue(123)
+    assert plot_base.x_max == 123
+
+    # # 3) Toggle grid
+    x_log_toggle = axis_settings.ui.x_log
+    x_log_toggle.checked = True
+    with qtbot.waitSignal(plot_base.property_changed, timeout=500) as signal3:
+        x_log_toggle.checked = True
+
+    assert plot_base.x_log is True
+
+
+def test_plot_base_updates_ui(axis_settings_fixture, qtbot):
+    """
+    When PlotBase properties change (on the Python side), AxisSettings UI should update.
+    We do this by simulating that PlotBase sets properties and emits property_changed.
+    (In real usage, PlotBase calls .property_changed.emit(...) in its setters.)
+    """
+    axis_settings, plot_base = axis_settings_fixture
+
+    # 1) Set plot_base.title
+    plot_base.title = "Plot Title from Code"
+    assert axis_settings.ui.title.text() == "Plot Title from Code"
+
+    # 2) Set x_max
+    plot_base.x_max = 100
+    qtbot.wait(50)
+    assert axis_settings.ui.x_max.value() == 100
+
+    # 3) Set x_log
+    plot_base.x_log = True
+    qtbot.wait(50)
+    assert axis_settings.ui.x_log.checked is True
+
+
+def test_no_crash_no_target(qtbot):
+    """
+    AxisSettings can be created with target_widget=None. It won't update anything,
+    but it shouldn't crash on UI changes.
+    """
+    axis_settings = create_widget(qtbot, AxisSettings, parent=None, target_widget=None)
+
+    axis_settings.ui.title.setText("No target")
+    assert axis_settings.ui.title.text() == "No target"
+
+
+def test_scroll_area_behavior(axis_settings_fixture, qtbot):
+    """
+    Optional: Check that the QScrollArea is set up in a resizable manner.
+    """
+    axis_settings, plot_base = axis_settings_fixture
+    scroll_area = axis_settings.scroll_area
+    assert scroll_area.widgetResizable() is True