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# -*- coding: utf-8 -*-
"""Test suite for the deepreload module."""
# Copyright (c) IPython Development Team.
# Distributed under the terms of the Modified BSD License.
import os
import nose.tools as nt
from IPython.utils.syspathcontext import prepended_to_syspath
from IPython.utils.tempdir import TemporaryDirectory
from IPython.lib.deepreload import reload as dreload
def test_deepreload():
"Test that dreload does deep reloads and skips excluded modules."
with TemporaryDirectory() as tmpdir:
with prepended_to_syspath(tmpdir):
with open(os.path.join(tmpdir, 'A.py'), 'w') as f:
f.write("class Object(object):\n pass\n")
with open(os.path.join(tmpdir, 'B.py'), 'w') as f:
f.write("import A\n")
import A
import B
# Test that A is not reloaded.
obj = A.Object()
dreload(B, exclude=['A'])
nt.assert_true(isinstance(obj, A.Object))
# Test that A is reloaded.
obj = A.Object()
dreload(B)
nt.assert_false(isinstance(obj, A.Object))
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