[honu] use sandbox evaluator to test honu code

This commit is contained in:
Jon Rafkind 2012-05-07 14:55:23 -06:00
parent ff185cf743
commit d688621a18
2 changed files with 56 additions and 120 deletions

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@ -1,6 +1,6 @@
#lang racket/base
(require (rename-in typed-scheme (#%module-begin #%module-begin-typed-scheme)))
;; (require (rename-in typed-scheme (#%module-begin #%module-begin-typed-scheme)))
(require (for-syntax scheme/base
syntax/stx
syntax/name

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@ -1,124 +1,60 @@
#lang at-exp racket
#lang at-exp racket/base
(define (write-to-file input)
(define file (make-temporary-file))
(with-output-to-file file
#:mode 'text
#:exists 'truncate
(lambda () (printf input)))
file)
(require racket/sandbox
racket/port
rackunit
honu/core/read)
(define (execute-racket file)
(match-define [list output input id error-port status]
(process (format "racket ~a" file)))
(status 'wait)
(when (not (= 0 (status 'exit-code)))
(printf "Error: ~a\n" (read-string 1024 error-port))
(error 'run "couldn't run racket. error code ~a" (status 'exit-code)))
(define result (read-string 4096 output))
(close-input-port output)
(close-input-port error-port)
(close-output-port input)
(delete-file file)
result)
(define honu-eval (make-parameter (lambda args (error 'honu-eval "set the honu evaluator"))))
(define (make-honu-evaluator)
(call-with-trusted-sandbox-configuration
(lambda ()
(make-evaluator 'honu))))
(define (run-honu input)
(define file (write-to-file input))
(with-handlers ([exn? (lambda (e)
(when (file-exists? file)
(delete-file file))
(raise e))])
(execute-racket file)))
(define (honu input)
(with-input-from-string input
(lambda ()
((honu-eval) (honu-read-syntax)))))
(define (same? actual expected)
;; (printf "Expected \n'~a'\n\ngot \n'~a'\n\n" expected actual)
(string=? actual expected))
(define input string-append)
(define (output . stuff)
;; (printf "output '~a'\n" stuff)
(apply string-append "" (append stuff (list "\n"))))
(define-syntax-rule (honu-tests checks ...)
(parameterize ([honu-eval (make-honu-evaluator)]) checks ...))
(define (test name input output)
(printf "Running test ~a\n" name)
(define final (run-honu input))
(when (not (same? final output))
(printf "Not the same!\n'~a'\nvs\n'~a'\n" final output)))
(honu-tests
(check-equal? (honu @input{1}) 1)
(check-equal? (honu @input{5}) 5)
(check-equal? (honu @input{1 + 1}) (+ 1 1))
(check-equal? (honu @input{1 + 2 * 3}) (+ 1 (* 2 3)))
(check-equal? (honu @input{3 * 2 + 1}) (+ (* 3 2) 1))
(check-equal? (honu @input{1 + 4 ^ 2 * 3}) (+ 1 (* (expt 4 2) 3)))
(check-equal? (honu @input{1 + 4 ^ 3 ^ 2}) (+ 1 (expt 4 (expt 3 2))))
(check-equal? (honu @input{4 ^ 3 ^ 2 + 1}) (+ (expt 4 (expt 3 2)) 1))
(define (input . stuff)
(apply string-append "#lang honu\n" stuff))
(check-equal? (honu @input{
var n = 5
cond
n < 10: 'x1,
n > 10: 'x2
})
'x1)
(test
"basic numbers"
@input{
5
6
}
(check-equal? (honu @input{
if (2 > 1)
1
else
0
})
1)
@output{5
6
})
(check-equal? (honu @input{[x + 1: x = [1, 2, 3]]}) '(2 3 4))
(check-equal? (honu @input{[x + y: x = [1, 2, 3], y = [4, 5, 6]]}) '(5 7 9))
)
(test
"basic math"
@input{
1 + 1
1 + 2 * 3
3 * 2 + 1
1 + 4 ^ 2 * 3
1 + 4 ^ 3 ^ 2
4 ^ 3 ^ 2 + 1
}
@output{2
7
7
49
262145
262145
})
(test
"function call"
@input{
function foo(x){
x * 2
}
foo(5)
}
@output{10
})
(test
"cond"
@input{
var n = 5
cond
n < 10: 'x1,
n > 10: 'x2
}
@output{'x1
})
(test
"if"
@input{
if (2 > 1)
1
else
0
}
@output{1
})
(test
"list comprehension"
@input{
[x + 1: x = [1, 2, 3]];
[x + y: x = [1, 2, 3], y = [4, 5, 6]]
}
@output{'(2 3 4)
'(5 7 9)})
(honu-tests
(check-equal? (honu @input{function foo(x){
x * 2
}
foo(5)
})
10))