62 lines
1.1 KiB
Python
62 lines
1.1 KiB
Python
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from fontTools.misc.visitor import Visitor
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import pytest
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class A:
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def __init__(self):
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self.a = 1
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self.b = [2, 3]
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self.c = {4: 5, 6: 7}
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self._d = 8
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self.e = 9
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self.f = 10
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class B:
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def __init__(self):
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self.a = A()
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class TestVisitor(Visitor):
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def __init__(self):
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self.value = []
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def _add(self, s):
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self.value.append(s)
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def visitLeaf(self, obj):
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self._add(obj)
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super().visitLeaf(obj)
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@TestVisitor.register(A)
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def visit(self, obj):
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self._add("A")
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@TestVisitor.register_attrs([(A, "e")])
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def visit(self, obj, attr, value):
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self._add(attr)
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self._add(value)
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return False
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@TestVisitor.register(B)
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def visit(self, obj):
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self._add("B")
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self.visitObject(obj)
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return False
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@TestVisitor.register_attr(B, "a")
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def visit(self, obj, attr, value):
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self._add("B a")
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class VisitorTest(object):
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def test_visitor(self):
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b = B()
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visitor = TestVisitor()
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visitor.visit(b)
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assert visitor.value == ["B", "B a", "A", 1, 2, 3, 5, 7, "e", 9, 10]
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