def test_format_value2():
assert format_value(foo) == "foo()"
assert format_value(bar) == "Return \"Bar\""
def test_format_value3():
assert format_value(1) == "1"
def test_format_value():
obj = Foo()
assert format_value(obj.noargs) == "noargs()"
assert format_value(obj.args) == "args(a, b, c)"
assert format_value(obj.varargs) == "varargs(*args)"
