def mock_queuing_context(monkeypatch):
"""A mock instance of the abstract QueuingContext class."""
with monkeypatch.context() as m:
m.setattr(QueuingContext, "__abstractmethods__", frozenset())
m.setattr(
QueuingContext,
"_append",
lambda self, operator: self.queue.append(operator),
)
m.setattr(
QueuingContext,
"_remove",
lambda self, operator: self.queue.remove(operator),
)
context = QueuingContext()
context.queue = []
yield context
def three_mock_queuing_contexts(monkeypatch):
"""A list of three mock instances of the abstract QueuingContext class."""
with monkeypatch.context() as m:
m.setattr(QueuingContext, "__abstractmethods__", frozenset())
m.setattr(
QueuingContext,
"_append",
lambda self, operator: self.queue.append(operator),
)
m.setattr(
QueuingContext,
"_remove",
lambda self, operator: self.queue.remove(operator),
)
contexts = [QueuingContext() for _ in range(3)]
for context in contexts:
context.queue = []
yield contexts