def test_on_style_change(self):
lookup = StyleLookup()
changes = []
lookup.on_style_change.subscribe(changes.append)
self.assertEqual([], changes)
lookup.set_color("color1", RGBA(1, 0, 0, 1))
lookup.set_color("color1",
RGBA(1, 0, 0,
1)) # Should ignore duplicated requests.
self.assertEqual(
[ColorChangeEvent(lookup, "color1", Some(RGBA(1, 0, 0, 1)))],
changes)
lookup.set_color("color2", RGBA(0, 1, 0, 1))
self.assertEqual(
[ColorChangeEvent(lookup, "color2", Some(RGBA(0, 1, 0, 1)))],
changes[1:])
lookup.set_color("color2", RGBA(0, 1, 1, 1))
self.assertEqual(
[ColorChangeEvent(lookup, "color2", Some(RGBA(0, 1, 1, 1)))],
changes[2:])
font = ToyFontFace("Sans")
lookup.set_font("font1", font)
self.assertEqual([FontChangeEvent(lookup, "font1", Some(font))],
changes[3:])
lookup.clear_color("color1")
lookup.clear_font("font1")
self.assertEqual([ColorChangeEvent(lookup, "color1", Nothing)],
changes[4:5])
self.assertEqual([FontChangeEvent(lookup, "font1", Nothing)],
changes[5:])
padding = Insets(5, 5, 5, 5)
lookup.set_insets("padding", padding)
self.assertEqual([InsetsChangeEvent(lookup, "padding", Some(padding))],
changes[6:])
lookup.clear_insets("padding")
self.assertEqual([InsetsChangeEvent(lookup, "padding", Nothing)],
changes[7:])
def test_lookup_color(self):
lookup = StyleLookup()
red = RGBA(1, 0, 0, 1)
blue = RGBA(0, 0, 1, 1)
red_key = "red"
blue_key = "blue"
lookup.set_color(red_key, red)
lookup.set_color(blue_key, blue)
self.assertEqual(Nothing, lookup.get_color("green"))
self.assertEqual(red, lookup.get_color(red_key).unwrap())
self.assertEqual(blue, lookup.get_color(blue_key).unwrap())
lookup.clear_color(blue_key)
self.assertEqual(Nothing, lookup.get_color(blue_key))