dds/networks-tests.rkt
2020-02-23 01:00:09 +01:00

93 lines
3.5 KiB
Racket

#lang racket
;;; Tests for dds/networks.
(require rackunit graph "networks.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)
(let ([x1 (hash-ref s 'x1)]
[x2 (hash-ref s 'x2)])
(and x1 (not x2))))]
[f2 (λ (s)
(let ([x2 (hash-ref s 'x2)])
(not x2)))]
[bn (make-network-from-functions `((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-function-form->update-function '(and x y))])
(check-equal? (f s) #f))
(let ([bn1 (network-form->network (make-hash '((a . (and a b)) (b . (not b)))))]
[bn2 (make-network-from-forms '((a . (and a b))
(b . (not b))))]
[bn3 (nn '((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)))
(test-case "Inferring interaction graphs"
(let* ([n #hash((a . (+ a b c))
(b . (- b c)))]
[ig (build-interaction-graph n)])
(check-true (set=? (list-interactions n 'a) '(a b)))
(check-true (set=? (list-interactions n 'b) '(b)))
(check-true (has-vertex? ig 'a))
(check-true (has-vertex? ig 'b))
(check-false (has-vertex? ig 'c))
(check-true (has-edge? ig 'a 'a))
(check-true (has-edge? ig 'b 'a))
(check-true (has-edge? ig 'b 'b))
(check-false (has-edge? ig 'c 'b))
(check-false (has-edge? ig 'c 'a)))
(check-equal? (map hash->list (build-all-states '((a . (#t #f)) (b . (1 2 3)))))
'(((a . #t) (b . 1))
((a . #t) (b . 2))
((a . #t) (b . 3))
((a . #f) (b . 1))
((a . #f) (b . 2))
((a . #f) (b . 3))))
(check-equal? (map hash->list (build-all-states-same-domain '(a b) '(#t #f)))
'(((a . #t) (b . #t))
((a . #t) (b . #f))
((a . #f) (b . #t))
((a . #f) (b . #f))))
(check-equal? (hash->list (make-boolean-domains '(a b)))
'((a . (#f #t)) (b . (#f #t))))
(let* ([n #hash((a . (not b)) (b . a))]
[doms (make-boolean-domains '(a b))]
[sig (build-signed-interaction-graph n doms)])
(check-equal? (get-interaction-sign n doms 'a 'b) '+)
(check-equal? (get-interaction-sign n doms 'b 'a) '-)
(check-true (has-vertex? sig 'a))
(check-true (has-vertex? sig 'b))
(check-false (has-vertex? sig 'c))
(check-false (has-edge? sig 'a 'a))
(check-true (has-edge? sig 'b 'a))
(check-false (has-edge? sig 'b 'b))
(check-false (has-edge? sig 'c 'b))
(check-false (has-edge? sig 'c 'a))
(check-equal? (edge-weight sig 'a 'b) 1)
(check-equal? (edge-weight sig 'b 'a) -1)))