| # Copyright 2015, Google Inc. |
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| # |
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| # |
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| # in the documentation and/or other materials provided with the |
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| # this software without specific prior written permission. |
| # |
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| |
| """Links suitable for use in tests.""" |
| |
| import threading |
| |
| from grpc.framework.base import interfaces |
| |
| |
| class ForeLink(interfaces.ForeLink): |
| """A ForeLink suitable for use in tests of RearLinks.""" |
| |
| def __init__(self, action, rear_link): |
| self.condition = threading.Condition() |
| self.tickets = [] |
| self.action = action |
| self.rear_link = rear_link |
| |
| def accept_back_to_front_ticket(self, ticket): |
| with self.condition: |
| self.tickets.append(ticket) |
| self.condition.notify_all() |
| action, rear_link = self.action, self.rear_link |
| |
| if action is not None: |
| action(ticket, rear_link) |
| |
| def join_rear_link(self, rear_link): |
| with self.condition: |
| self.rear_link = rear_link |
| |
| |
| class RearLink(interfaces.RearLink): |
| """A RearLink suitable for use in tests of ForeLinks.""" |
| |
| def __init__(self, action, fore_link): |
| self.condition = threading.Condition() |
| self.tickets = [] |
| self.action = action |
| self.fore_link = fore_link |
| |
| def accept_front_to_back_ticket(self, ticket): |
| with self.condition: |
| self.tickets.append(ticket) |
| self.condition.notify_all() |
| action, fore_link = self.action, self.fore_link |
| |
| if action is not None: |
| action(ticket, fore_link) |
| |
| def join_fore_link(self, fore_link): |
| with self.condition: |
| self.fore_link = fore_link |