How to use the priority.PseudoStreamError function in priority
To help you get started, we’ve selected a few priority examples, based on popular ways it is used in public projects.
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python-hyper / priority / test / test_priority.py View on Github 
def test_priority_raises_good_errors_for_zero_stream(self):
"""
Attempting operations on stream 0 raises a PseudoStreamError.
"""
p = priority.PriorityTree()
p.insert_stream(1)
with pytest.raises(priority.PseudoStreamError):
p.reprioritize(0)
with pytest.raises(priority.PseudoStreamError):
p.block(0)
with pytest.raises(priority.PseudoStreamError):
p.unblock(0)
with pytest.raises(priority.PseudoStreamError):
p.remove_stream(0)def _run_action(self, action, stream_id):
try:
action(stream_id)
except priority.MissingStreamError:
assert stream_id not in self.stream_ids
except priority.PseudoStreamError:
assert stream_id == 0
else:
assert stream_id in self.stream_idspriority
A pure-Python implementation of the HTTP/2 priority tree
