def test_insertGlyph():
g = Glyph()
pen = g.getPen()
pen.moveTo((0, 0))
pen.lineTo((1, 1))
pen.lineTo((0, 1))
pen.closePath()
layer = Layer()
layer.insertGlyph(g, "a")
assert "a" in layer
assert layer["a"].name == "a"
assert layer["a"].contours == g.contours
assert layer["a"] is not g
layer.insertGlyph(g, "b")
assert "b" in layer
assert layer["b"].name == "b"
assert layer["b"].contours == layer["a"].contours
assert layer["b"] is not layer["a"]
assert layer["b"] is not g
assert g.name is None
with pytest.raises(KeyError, match="glyph named 'a' already exists"):
layer.insertGlyph(g, "a", overwrite=False)
with pytest.raises(ValueError,
match=".*Glyph .* has no name; can't add it"):
layer.insertGlyph(g)
def test_renameGlyph() -> None:
g = Glyph()
layer = Layer(glyphs={"a": g})
assert g.name == "a"
layer.renameGlyph("a", "a") # no-op
assert g.name == "a"
layer.renameGlyph("a", "b")
assert g.name == "b"
layer.insertGlyph(g, "a")
with pytest.raises(KeyError, match="target glyph named 'a' already exists"):
layer.renameGlyph("b", "a")