tests/tools: add MockEventsReader
Make it easy to test things listening for events
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parent
389252f386
commit
6b1c6141f6
@ -22,6 +22,8 @@
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import io
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import io
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import sys
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import sys
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import asyncio
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class StdoutBuffer(object):
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class StdoutBuffer(object):
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def __init__(self):
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def __init__(self):
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@ -57,3 +59,27 @@ class StderrBuffer(object):
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def __exit__(self, exc_type, exc_val, exc_tb):
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def __exit__(self, exc_type, exc_val, exc_tb):
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sys.stderr = self.orig_stderr
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sys.stderr = self.orig_stderr
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return False
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return False
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class MockEventsReader(object):
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def __init__(self, events, delay=0.05):
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self.events = events
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self.delay = delay
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self.current_event = None
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def at_eof(self):
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return not bool(self.events)
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@asyncio.coroutine
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def readuntil(self, delim):
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if not self.current_event:
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if not self.events:
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raise asyncio.IncompleteReadError(b'', delim)
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yield from asyncio.sleep(self.delay)
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self.current_event = self.events.pop(0)
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data, rest = self.current_event.split(delim, 1)
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self.current_event = rest
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return data + delim
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@asyncio.coroutine
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def __call__(self, vm=None):
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return self, (lambda: None)
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