racket/collects/tests/framework/framework-test-engine.ss
2005-05-27 18:56:37 +00:00

74 lines
2.0 KiB
Scheme

(module framework-test-engine mzscheme
(require (lib "pconvert.ss")
(lib "mred.ss" "mred")
"debug.ss")
(define errs null)
(define sema (make-semaphore 1))
(define (protect f)
(semaphore-wait sema)
(begin0 (f)
(semaphore-post sema)))
(define (exception->string x)
(if (exn? x)
(let ([p (open-output-string)])
(parameterize ([current-error-port p])
((error-display-handler) (exn-message x) x))
(get-output-string p))
(format "uncaught exn: ~s" x)))
(thread
(lambda ()
(with-handlers ([(lambda (x) #t)
(lambda (x)
(printf "test suite thread died: ~a~n"
(if (exn? x)
(exn-message x)
(format "~s" x))))])
(let ([port (load
(build-path
(collection-path "tests" "framework")
"receive-sexps-port.ss"))])
(debug-printf mr-tcp "about to connect to ~a~n" port)
(let*-values ([(in out) (tcp-connect "127.0.0.1" port)])
(let loop ()
(debug-printf mr-tcp "about to read~n")
(let ([sexp (read in)])
(if (eof-object? sexp)
(begin
(debug-printf mr-tcp "got eof~n")
(close-input-port in)
(close-output-port out)
(exit))
(begin
(debug-printf mr-tcp "got expression to evaluate~n")
(write
(let ([these-errs (protect (lambda () (begin0 errs (set! errs null))))])
(if (null? these-errs)
(with-handlers ([(lambda (x) #t)
(lambda (x) (list 'error (exception->string x)))])
(list 'normal (print-convert (eval sexp))))
(list 'last-error
(apply string-append
(map (lambda (x) (string-append (exception->string x) (string #\newline)))
these-errs)))))
out)
(loop))))))))))
(let ([od (event-dispatch-handler)]
[port (current-output-port)])
(event-dispatch-handler
(lambda (evt)
(parameterize ([current-exception-handler
(let ([oe (current-exception-handler)])
(lambda (exn)
(protect
(lambda ()
(set! errs (cons exn errs))))
(oe exn)))])
(od evt)))))
(yield (make-semaphore 0)))