def test_GIVEN_single_scalar_field_and_string_WHEN_adding_fields_to_component_THEN_field_appears_in_component_fields_with_correct_name_and_value():
file = NexusWrapper("test_fields_2")
component_group = file.nexus_file.create_group("test_component")
component = Component(file, component_group)
field_name = "test_field"
field_value = np.string_(b"some_value")
field = DummyField(field_name, field_value, field_value.dtype)
list_widget = DummyListWidget()
list_widget.addItem(field)
add_fields_to_component(component, list_widget)
assert component.get_field(field_name)
assert bytes(component.get_field(field_name), encoding="ASCII") == field_value
def fill_existing_entries(self, component_to_edit: Component):
"""
Populate the pixel fields based on what is already stored in the NeXus file.
"""
self.reset_pixel_mapping_list()
if component_to_edit.get_field("x_pixel_offset") is not None:
self.single_pixel_radio_button.setChecked(True)
self.update_pixel_layout_visibility(True, False)
self._fill_single_pixel_fields(component_to_edit)
elif component_to_edit.get_field("detector_number") is not None:
self.entire_shape_radio_button.setChecked(True)
self.update_pixel_layout_visibility(False, True)
self._fill_entire_shape_fields(component_to_edit)
else:
self.no_pixels_button.setChecked(True)
self.pixel_options_stack.setVisible(False)
def test_GIVEN_single_scalar_field_and_float_WHEN_adding_fields_to_component_THEN_field_appears_in_component_fields_with_correct_name_and_value(
nexus_wrapper, ):
component_group = nexus_wrapper.nexus_file.create_group("test_component")
component = Component(nexus_wrapper, component_group)
field_name = "test_field"
field_dtype = np.float32
field_value = field_dtype(32.123)
field = DummyField(field_name, field_value, field_dtype)
list_widget = DummyListWidget()
list_widget.addItem(field)
add_fields_to_component(component, list_widget)
assert component.get_field(field_name)
assert component.get_field(field_name).dtype == field_dtype
assert component.get_field(field_name)[...] == field_value
def _fill_single_pixel_fields(self, component_to_edit: Component):
"""
Fill the "single pixel" fields of a component that's being edited and contains pixel information.
:param component_to_edit: The component that's being edited.
"""
# Retrieve the pixel offsets and detector number from the component
x_pixel_offset = component_to_edit.get_field("x_pixel_offset")
y_pixel_offset = component_to_edit.get_field("y_pixel_offset")
detector_numbers = component_to_edit.get_field("detector_number")
# Check that x offset is more than one value
if data_is_an_array_with_more_than_one_element(x_pixel_offset):
# Set the number of rows and the row height
n_rows, row_height = self._get_row_information(y_pixel_offset)
self.row_count_spin_box.setValue(n_rows)
self.row_height_spin_box.setValue(row_height)
# Set the number of columns and the column width
n_cols, col_width = self._get_column_information(x_pixel_offset)
self.column_count_spin_box.setValue(n_cols)
self.column_width_spin_box.setValue(col_width)
# Set the first ID, start counting option, and the count direction option
(
first_id,
start_counting_text,
count_along_text,
) = self._get_detector_number_information(detector_numbers)
self.first_id_spin_box.setValue(first_id)
self.start_counting_combo_box.setCurrentText(start_counting_text)
self.count_first_combo_box.setCurrentText(count_along_text)
else:
# If the pixel offset information represents a single pixel
pass