def test_legend_item_with_field_label_raises_error_if_field_not_in_cds():
legend_item = LegendItem()
gr_1 = GlyphRenderer(data_source=ColumnDataSource())
legend_item.label = field('label')
legend_item.renderers = [gr_1]
with mock.patch('bokeh.core.validation.check.log') as mock_logger:
check_integrity([legend_item])
assert mock_logger.error.call_count == 1
def test_legend_item_with_value_label_and_different_data_sources_does_not_raise_a_validation_error() -> None:
legend_item = LegendItem()
gr_1 = GlyphRenderer(data_source=ColumnDataSource())
gr_2 = GlyphRenderer(data_source=ColumnDataSource())
legend_item.label = value('label')
legend_item.renderers = [gr_1, gr_2]
with mock.patch('bokeh.core.validation.check.log') as mock_logger:
check_integrity([legend_item])
assert mock_logger.error.call_count == 0
def test_legend_item_with_field_label_and_different_data_sources_raises_a_validation_error(
):
legend_item = LegendItem()
gr_1 = GlyphRenderer(data_source=ColumnDataSource(data={'label': [1]}))
gr_2 = GlyphRenderer(data_source=ColumnDataSource(data={'label': [1]}))
legend_item.label = field('label')
legend_item.renderers = [gr_1, gr_2]
with mock.patch('bokeh.core.validation.check.log') as mock_logger:
check_integrity([legend_item])
assert mock_logger.error.call_count == 1
