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    <meta charset="UTF-8">
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#!/usr/bin/env python
#
# Author: Mike McKerns (mmckerns @caltech and @uqfoundation)
# Copyright (c) 2008-2016 California Institute of Technology.
# Copyright (c) 2016-2023 The Uncertainty Quantification Foundation.
# License: 3-clause BSD.  The full license text is available at:
#  - https://github.com/uqfoundation/dill/blob/master/LICENSE

from dill.detect import baditems, badobjects, badtypes, errors, parent, at, globalvars
from dill import settings
from dill._dill import IS_PYPY
from pickle import PicklingError

import inspect
import sys
import os

def test_bad_things():
    f = inspect.currentframe()
    assert baditems(f) == [f]
    #assert baditems(globals()) == [f] #XXX
    assert badobjects(f) is f
    assert badtypes(f) == type(f)
    assert type(errors(f)) is TypeError
    d = badtypes(f, 1)
    assert isinstance(d, dict)
    assert list(badobjects(f, 1).keys()) == list(d.keys())
    assert list(errors(f, 1).keys()) == list(d.keys())
    s = set([(err.__class__.__name__,err.args[0]) for err in list(errors(f, 1).values())])
    a = dict(s)
    if not os.environ.get('COVERAGE'): #XXX: travis-ci
        assert len(s) is len(a) # TypeError (and possibly PicklingError)
    n = 2
    assert len(a) is n if 'PicklingError' in a.keys() else n-1

def test_parent():
    x = [4,5,6,7]
    listiter = iter(x)
    obj = parent(listiter, list)
    assert obj is x

    if IS_PYPY: assert parent(obj, int) is None
    else: assert parent(obj, int) is x[-1] # python oddly? finds last int
    assert at(id(at)) is at

a, b, c = 1, 2, 3

def squared(x):
  return a+x**2

def foo(x):
  def bar(y):
    return squared(x)+y
  return bar

class _class:
    def _method(self):
        pass
    def ok(self):
        return True

def test_globals():
    def f():
        a
        def g():
            b
            def h():
                c
    assert globalvars(f) == dict(a=1, b=2, c=3)

    res = globalvars(foo, recurse=True)
    assert set(res) == set(['squared', 'a'])
    res = globalvars(foo, recurse=False)
    assert res == {}
    zap = foo(2)
    res = globalvars(zap, recurse=True)
    assert set(res) == set(['squared', 'a'])
    res = globalvars(zap, recurse=False)
    assert set(res) == set(['squared'])
    del zap
    res = globalvars(squared)
    assert set(res) == set(['a'])
    # FIXME: shoul