dds/bn-tests.rkt
2020-02-18 12:39:11 +01:00

46 lines
1.7 KiB
Racket

#lang typed/racket
;;; Tests for dds/bn.
(require typed/rackunit "bn.rkt")
;;; This test case sets up the following Boolean network:
;;; x1 = x1 AND NOT x2
;;; x2 = NOT x2
(test-case "Basic definitions"
(let* ([f1 (λ ([s : State])
(let ([x1 (hash-ref s 'x1)]
[x2 (hash-ref s 'x2)])
(and x1 (not x2))))]
[f2 (λ ([s : State])
(let ([x2 (hash-ref s 'x2)])
(not x2)))]
[bn (make-bn-funcs `((x1 . ,f1) (x2 . ,f2)))])
(test-case "One-step syncronous update"
(let* ([s (make-state '((x1 . #t) (x2 . #f)))]
[new-s (update bn s '(x2 x1))])
(check-equal? (hash-ref new-s 'x1) #t)
(check-equal? (hash-ref new-s 'x2) #t)
(check-equal? (length (hash-keys new-s)) 2)))
(test-case "One-step asynchronous update"
(let* ([s (make-state '((x1 . #f) (x2 . #f)))]
[new-s (update bn s '(x2 x1))])
(check-equal? (hash-ref new-s 'x1) #f)
(check-equal? (hash-ref new-s 'x2) #t)
(check-equal? (length (hash-keys new-s)) 2)))))
(test-case "Syntactic description of Boolean networks"
(let ([s (make-state '((x . #t) (y . #f)))]
[f (update-func-form->update-func '(and x y))])
(check-equal? (f s) #f))
(let ([bn1 (bn-form->bn (make-hash '((a . (and a b)) (b . (not b)))))]
[bn2 (make-bn-forms '((a . (and a b))
(b . (not b))))]
[bn3 (bn '((a . (and a b))
(b . (not b))))]
[s (st '((a . #t) (b . #t)))])
(check-equal? ((hash-ref bn1 'a) s) #t)
(check-equal? ((hash-ref bn2 'a) s) #t)
(check-equal? ((hash-ref bn3 'a) s) #t)))