60 lines
1.1 KiB
Python
60 lines
1.1 KiB
Python
import nilmdb
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from nilmdb.utils.printf import *
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import nose
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from nose.tools import *
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from nose.tools import assert_raises
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from test_helpers import *
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import sys
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import cStringIO
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err = cStringIO.StringIO()
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@nilmdb.utils.must_close(errorfile = err)
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class Foo:
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def __init__(self):
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fprintf(err, "Init\n")
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def __del__(self):
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fprintf(err, "Deleting\n")
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def close(self):
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fprintf(err, "Closing\n")
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@nilmdb.utils.must_close(errorfile = err)
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class Bar:
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pass
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class TestMustClose(object):
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def test(self):
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# Note: this test might fail if the Python interpreter doesn't
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# garbage collect the object (and call its __del__ function)
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# right after a "del x".
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x = Foo()
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del x
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eq_(err.getvalue(),
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"Init\n"
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"error: Foo.close() wasn't called!\n"
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"Deleting\n")
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err.truncate(0)
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y = Foo()
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y.close()
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del y
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eq_(err.getvalue(),
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"Init\n"
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"Closing\n"
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"Deleting\n")
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err.truncate(0)
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z = Bar()
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z.close()
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del z
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eq_(err.getvalue(), "")
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