def test_around(self):
"""
Interceptor only has an enter and leave function.
"""
interceptors = [
tracer('a'),
around(tracing('enter', 'b'), tracing('leave', 'b')),
tracer('c')
]
self.assertThat(
execute(empty_context, interceptors),
succeeded(
Traced(
Equals(
v(('enter', 'a'), ('enter', 'b'), ('enter', 'c'),
('leave', 'c'), ('leave', 'b'), ('leave', 'a'))))))
def _swallow(marker):
return lambda context, error: tracing('error', (
marker, 'from', error.failure.value.source))(context)