test_pipe.py

importsys
importos
frommultiprocessingimportProcess, Pipe


deff(conn):
conn.send([42, None, "hello"])
conn.send([42, 42, 42])
conn.close()


if__name__=="__main__":
parent_conn, child_conn=Pipe(False)
# print(parent_conn, child_conn)
p=Process(target=f, args=(child_conn,))

# Extension: need to call this for uPy
ifsys.implementation.name=="micropython":
p.register_pipe(parent_conn, child_conn)

p.start()
parent_conn.recv() == [42, None, "hello"]
parent_conn.recv() == [42, 42, 42]
p.join()