26 lines
1.0 KiB
Racket
26 lines
1.0 KiB
Racket
#lang racket/base
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;; Utilities for testing os2.rkt worlds.
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(require racket/match)
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(require rackunit)
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(require (only-in racket/list flatten))
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(require "os2.rkt")
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(provide check-role)
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(define (flatten-transition t)
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(apply transition (transition-state t) (flatten (transition-actions t))))
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;; AddRole World SendMessage World ConsTreeOf<Action> -> Void
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;; Passes the given message to the given message-handler, with the
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;; given initial-w. Compares the resulting world and list of actions
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;; to the expected world and list of actions using check-equal?.
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(define (check-role r initial-w sent-message final-w expected-actions)
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(match-define (<add-role> _ _ (handlers _ _ message-handler)) r)
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(match-define (<send-message> body role) sent-message)
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(define synthetic-topic (topic role body #f))
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(define result (flatten-transition ((message-handler synthetic-topic body) initial-w)))
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(check-equal? result
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(flatten-transition (transition final-w expected-actions))
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"Produced world-and-actions did not match expected world-and-actions"))
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