82 lines
3.1 KiB
Racket
82 lines
3.1 KiB
Racket
#lang racket
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;;; Tests for dds/networks.
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(require rackunit graph "networks.rkt")
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;;; This test case sets up the following Boolean network:
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;;; x1 = x1 AND NOT x2
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;;; x2 = NOT x2
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(test-case "Basic definitions"
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(let* ([f1 (λ (s)
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(let ([x1 (hash-ref s 'x1)]
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[x2 (hash-ref s 'x2)])
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(and x1 (not x2))))]
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[f2 (λ (s)
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(let ([x2 (hash-ref s 'x2)])
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(not x2)))]
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[bn (make-network-from-functions `((x1 . ,f1) (x2 . ,f2)))])
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(test-case "One-step syncronous update"
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(let* ([s (make-state '((x1 . #t) (x2 . #f)))]
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[new-s (update bn s '(x2 x1))])
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(check-equal? (hash-ref new-s 'x1) #t)
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(check-equal? (hash-ref new-s 'x2) #t)
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(check-equal? (length (hash-keys new-s)) 2)))
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(test-case "One-step asynchronous update"
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(let* ([s (make-state '((x1 . #f) (x2 . #f)))]
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[new-s (update bn s '(x2 x1))])
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(check-equal? (hash-ref new-s 'x1) #f)
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(check-equal? (hash-ref new-s 'x2) #t)
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(check-equal? (length (hash-keys new-s)) 2)))))
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(test-case "Syntactic description of Boolean networks"
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(let ([s (make-state '((x . #t) (y . #f)))]
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[f (update-function-form->update-function '(and x y))])
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(check-equal? (f s) #f))
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(let ([bn1 (network-form->network (make-hash '((a . (and a b)) (b . (not b)))))]
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[bn2 (make-network-from-forms '((a . (and a b))
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(b . (not b))))]
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[bn3 (nn '((a . (and a b))
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(b . (not b))))]
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[s (st '((a . #t) (b . #t)))])
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(check-equal? ((hash-ref bn1 'a) s) #t)
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(check-equal? ((hash-ref bn2 'a) s) #t)
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(check-equal? ((hash-ref bn3 'a) s) #t)))
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(test-case "Inferring interaction graphs"
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(let* ([n #hash((a . (+ a b c))
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(b . (- b c)))]
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[ig (build-interaction-graph n)])
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(check-true (set=? (list-interactions n 'a) '(a b)))
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(check-true (set=? (list-interactions n 'b) '(b)))
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(check-true (has-vertex? ig 'a))
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(check-true (has-vertex? ig 'b))
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(check-false (has-vertex? ig 'c))
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(check-true (has-edge? ig 'a 'a))
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(check-true (has-edge? ig 'b 'a))
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(check-true (has-edge? ig 'b 'b))
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(check-false (has-edge? ig 'c 'b))
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(check-false (has-edge? ig 'c 'a)))
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(check-equal? (map hash->list (build-all-states '((a . (#t #f)) (b . (1 2 3)))))
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'(((a . #t) (b . 1))
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((a . #t) (b . 2))
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((a . #t) (b . 3))
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((a . #f) (b . 1))
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((a . #f) (b . 2))
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((a . #f) (b . 3))))
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(check-equal? (map hash->list (build-all-states-same-domain '(a b) '(#t #f)))
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'(((a . #t) (b . #t))
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((a . #t) (b . #f))
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((a . #f) (b . #t))
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((a . #f) (b . #f))))
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(check-equal? (hash->list (make-boolean-domains '(a b)))
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'((a . (#f #t)) (b . (#f #t))))
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(let ([n #hash((a . (not b)) (b . a))]
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[doms (make-immutable-hash (for/list ([var '(a b)]) (cons var '(#f #t))))])
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(check-equal? (get-interaction-sign n doms 'a 'b) '+)
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(check-equal? (get-interaction-sign n doms 'b 'a) '-)))
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