test_dot.py 文件源码

def test_styleof():
    styles = [(Basic, {'color': 'blue', 'shape': 'ellipse'}),
              (Expr,  {'color': 'black'})]
    assert styleof(Basic(1), styles) == {'color': 'blue', 'shape': 'ellipse'}

    assert styleof(x + 1, styles) == {'color': 'black', 'shape': 'ellipse'}