def test_invalid_setters(self):
valid_path = Path(__file__).parent.joinpath('output/valid.png')
invalid_path = Path(__file__).parent.joinpath('output/invalid.wat')
with self.assertRaises(RuntimeError):
canvas_builder = CanvasBuilder()
canvas_builder.set_size(Cu.from_mm(1), Cu.from_mm(1))
canvas_builder.set_path(invalid_path)
with self.assertRaises(RuntimeError):
canvas_builder = CanvasBuilder()
canvas_builder.set_path(valid_path)
canvas_builder.set_size(Cu.from_mm(-1), Cu.from_mm(1))
with self.assertRaises(RuntimeError):
canvas_builder = CanvasBuilder()
canvas_builder.set_path(valid_path)
canvas_builder.set_size(Cu.from_mm(1), Cu.from_mm(-1))
with self.assertRaises(RuntimeError):
canvas_builder = CanvasBuilder()
canvas_builder.set_path(valid_path)
canvas_builder.set_size(Cu.from_mm(1), Cu.from_mm(1))
canvas_builder.set_anti_alias_mode(-1)
with self.assertRaises(RuntimeError):
canvas_builder = CanvasBuilder()
canvas_builder.set_path(valid_path)
canvas_builder.set_size(Cu.from_mm(1), Cu.from_mm(1))
canvas_builder.set_anti_alias_mode(7)
def test_svg(self):
path = Path(__file__).parent.joinpath('output/canvas_builder.pdf')
path.unlink(missing_ok=True)
canvas_builder = CanvasBuilder()
canvas_builder.set_path(path)
canvas_builder.set_size(Cu.from_mm(100), Cu.from_mm(100))
canvas = canvas_builder.build()
canvas.close()
assert path.exists()
def test_identity(self):
assert CanvasUnit.from_pt(1).pt == 1
assert CanvasUnit.from_in(1).inches == 1
assert CanvasUnit.from_cm(1).cm == 1
assert CanvasUnit.from_mm(1).mm == 1
assert CanvasUnit.from_px(1).px == 1
assert CanvasUnit.from_pango(1).pango == 1
assert CanvasUnit.from_pt(2).pt == 2
assert CanvasUnit.from_in(2).inches == 2
assert CanvasUnit.from_cm(2).cm == 2
assert CanvasUnit.from_mm(2).mm == 2
assert CanvasUnit.from_px(2).px == 2
assert CanvasUnit.from_pango(2).pango == 2
def test_comparisons(self):
assert CanvasUnit.from_in(1).pt > CanvasUnit.from_cm(1).pt
assert CanvasUnit.from_cm(1).pt > CanvasUnit.from_mm(1).pt
assert CanvasUnit.from_mm(1).pt > CanvasUnit.from_pt(1).pt
assert CanvasUnit.from_pt(1).pt > CanvasUnit.from_px(1).pt
assert CanvasUnit.from_px(1).pt > CanvasUnit.from_pango(1).pt
def from_mm(cls, x: float, y: float) -> 'CanvasCoordinate':
return CanvasCoordinate(CanvasUnit.from_mm(x), CanvasUnit.from_mm(y))
