def test_text_from_property_fstring(properties):
"""Test setting text with an f-string from the property value"""
shape = (10, 4, 2)
np.random.seed(0)
data = 20 * np.random.random(shape)
layer = Shapes(data,
properties=copy(properties),
text='type: {shape_type}')
expected_text = ['type: ' + v for v in properties['shape_type']]
np.testing.assert_equal(layer.text.values, expected_text)
# test updating the text
layer.text = 'type-ish: {shape_type}'
expected_text_2 = ['type-ish: ' + v for v in properties['shape_type']]
np.testing.assert_equal(layer.text.values, expected_text_2)
# copy/paste
layer.selected_data = {0}
layer._copy_data()
layer._paste_data()
expected_text_3 = expected_text_2 + ['type-ish: A']
np.testing.assert_equal(layer.text.values, expected_text_3)
# add shape
layer.selected_data = {0}
new_shape = np.random.random((1, 4, 2))
layer.add(new_shape)
expected_text_4 = expected_text_3 + ['type-ish: A']
np.testing.assert_equal(layer.text.values, expected_text_4)
def test_change_text_updates_node_string():
shapes = np.random.rand(3, 4, 2)
properties = {
'class': np.array(['A', 'B', 'C']),
'name': np.array(['D', 'E', 'F']),
}
layer = Shapes(shapes, properties=properties, text='class')
vispy_layer = VispyShapesLayer(layer)
text_node = vispy_layer._get_text_node()
np.testing.assert_array_equal(text_node.text, properties['class'])
layer.text = 'name'
np.testing.assert_array_equal(text_node.text, properties['name'])
