52 lines
1.3 KiB
Plaintext
52 lines
1.3 KiB
Plaintext
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=Publish / Subscribe DP Tests=
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Copyright (c) 2008-2012, David P. D. Moss. All rights reserved.
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Basic Publisher and Subscriber object tests.
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{{{
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>>> from netaddr.core import Publisher, Subscriber, PrettyPrinter
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>>> class Subject(Publisher):
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... pass
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>>> class Observer(Subscriber):
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... def __init__(self, id):
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... self.id = id
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...
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... def update(self, data):
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... print(repr(self), data)
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...
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... def __repr__(self):
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... return '%s(%r)' % (self.__class__.__name__, self.id)
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...
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>>> s = Subject()
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>>> s.attach(Observer('foo'))
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>>> s.attach(Observer('bar'))
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#FIXME: >>> pp = PrettyPrinter()
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#FIXME: >>> s.attach(pp)
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>>> data = {'foo': 42, 'list': [1,'2', list(range(10))], 'strings': ['foo', 'bar', 'baz', 'quux']}
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>>> s.notify(data)
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Observer('foo') {'foo': 42, 'list': [1, '2', [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]], 'strings': ['foo', 'bar', 'baz', 'quux']}
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Observer('bar') {'foo': 42, 'list': [1, '2', [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]], 'strings': ['foo', 'bar', 'baz', 'quux']}
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#FIXME: >>> s.detach(pp)
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>>> s.notify(['foo', 'bar', 'baz'])
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Observer('foo') ['foo', 'bar', 'baz']
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Observer('bar') ['foo', 'bar', 'baz']
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>>> s.attach('foo')
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Traceback (most recent call last):
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...
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TypeError: 'foo' does not support required interface!
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>>> s.detach('foo')
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}}}
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