racket/collects/tests/framework/framework-test-engine.rkt
2011-07-02 10:37:53 -04:00

89 lines
3.2 KiB
Racket

#lang racket/base
(require mzlib/pconvert
racket/tcp
racket/class
racket/gui/base
"debug.rkt")
(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)))
(namespace-require 'racket/gui)
(eval '(define (queue-callback/res thunk)
(define c (make-channel))
(queue-callback (λ () (channel-put c (thunk))))
(channel-get c)))
(void
(thread
(lambda ()
(with-handlers ([(lambda (x) #t)
(lambda (x)
(printf "test suite thread died: ~a\n"
(if (exn? x)
(exception->string x)
(format "~s" x))))])
(let ([port (call-with-input-file
(build-path (find-system-path 'temp-dir)
"framework-tests-receive-sexps-port.rkt")
read)])
(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)
(newline out)
(flush-output out)
(loop)))))))))))
(let ([od (event-dispatch-handler)]
[port (current-output-port)])
(event-dispatch-handler
(lambda (evt)
(parameterize ([uncaught-exception-handler
(let ([oe (uncaught-exception-handler)])
(lambda (exn)
(protect
(lambda ()
(set! errs (cons exn errs))))
(oe exn)))])
(call-with-exception-handler
(lambda (exn)
((uncaught-exception-handler) exn))
(lambda ()
(od evt)))))))
(yield (make-semaphore 0))