Function test_content_box

tests/test_box_model.py:10–44

()

async def test_content_box():
    one = Fraction(1)

    class TestWidget(Widget):
        def get_content_width(self, container: Size, parent: Size) -> int:
            assert False, "must not be called"

        def get_content_height(self, container: Size, parent: Size) -> int:
            assert False, "must not be called"

    widget = TestWidget()

    # border-box is default
    assert widget.styles.box_sizing == "border-box"

    widget.styles.width = 10
    widget.styles.height = 8
    widget.styles.padding = 1
    widget.styles.border = ("solid", "red")

    box_model = widget._get_box_model(
        Size(60, 20),
        Size(80, 24),
        one,
        one,
    )
    # Size should be inclusive of padding / border
    assert box_model == BoxModel(Fraction(10), Fraction(8), Spacing(0, 0, 0, 0))

    # Switch to content-box
    widget.styles.box_sizing = "content-box"

    box_model = widget._get_box_model(Size(60, 20), Size(80, 24), one, one)
    # width and height have added padding / border to accommodate content
    assert box_model == BoxModel(Fraction(14), Fraction(12), Spacing(0, 0, 0, 0))


async def test_width():