def test_list():
l = [1, 2, 3, 4]
proxy = Proxy()
proxy[1] = "foo"
proxy.pop()
new_l = produce(proxy, l)
assert new_l == [1, "foo", 3]
assert l == [1, 2, 3, 4]
def test_use_value_arg():
l = [1, 2, 3, 4]
proxy = Proxy(l)
proxy[1] = "foo"
proxy.pop()
new_l = produce(proxy)
assert new_l == [1, "foo", 3]
assert l == [1, 2, 3, 4]
def test_current_path():
proxy = Proxy()
proxy.foo
assert proxy._current_path == [
El(type="getattr", key="foo"),
]
assert proxy._paths == []
proxy = Proxy()
proxy[0]
assert proxy._current_path == [
El(type="getitem", key=0),
]
assert proxy._paths == []
proxy = Proxy()
proxy.foo = 42
assert proxy._current_path == []
assert proxy._paths == [[
El(type="getattr", key="foo"),
El(type="setattr", value=42),
]]
proxy = Proxy()
proxy[0] = 42
assert proxy._current_path == []
assert proxy._paths == [[
El(type="getitem", key=0),
El(type="setitem", value=42),
]]
proxy = Proxy()
with pytest.raises(NoAttributeToCallError):
proxy()
proxy = Proxy()
with pytest.raises(NoAttributeToCallError):
proxy[0]()
proxy = Proxy()
proxy.pop(1, 2, c=3)
assert proxy._current_path == []
assert proxy._paths == [[
El(type="call", key="pop", args=(1, 2), kwargs={"c": 3}),
]]
proxy = Proxy()
proxy.foo += 42
assert proxy._current_path == []
assert proxy._paths == [[
El(type="getattr", key="foo"),
El(type="setattr", value=None),
]]
assert proxy._paths[0].op == "__add__"
assert proxy._paths[0].other == 42