Files
sex/tools/sextest/sextest.scm
2026-09-09 12:45:12 +03:00

151 lines
4.6 KiB
Scheme

(import scheme
brev-separate
(chicken base)
(chicken file)
(chicken io)
(chicken pathname)
(chicken port)
(chicken process)
(chicken process-context)
fmt
getopt-long
reader ; read-raw-forms, shared with sexc
srfi-1)
(define (print-help)
(fmt #t "Usage: sextest [options] filename" nl
"Options:" nl
(usage opts-grammar) nl))
(define (process-file target-path)
(let ((contents (read-raw-forms target-path)))
(foldl (lambda (acc elt)
(case (car elt)
((compilation input output return)
(cons
(append (car acc) (list elt))
(cdr acc)))
(else
(cons
(car acc)
(append (cdr acc) (list elt))))))
(cons (list) (list))
contents)))
(define (compile src flags sexc)
(let ((compiler (or
(and sexc (cdr sexc))
(get-environment-variable "SEXC")
"sexc"))
(compiled-file (create-temporary-file)))
(call-with-values
(fn
(process compiler
(append (list "-o" compiled-file)
flags)))
(lambda (out-port in-port pid)
(with-output-to-port in-port
(fn (map (fn (fmt #t x)) src)))
(close-output-port in-port)
(call-with-values
(fn (process-wait pid))
(lambda (pid exited retcode)
(if (= 0 retcode)
compiled-file
#f)))))))
(define (run-and-check file in out ret)
(call-with-values
(fn (process file))
(lambda (out-port in-port pid)
(when in
(with-output-to-port in-port
(fn (map (fn (fmt #t x))
(cdr in))))
(close-output-port in-port))
(let ((out-lines
(with-input-from-port out-port
(fn
(let loop ((line (read-line))
(lines (list)))
(if (eof-object? line)
(reverse lines)
(loop (read-line)
(cons line lines)))))))
(ret-code
(call-with-values
;; TODO: what if the program hangs
;; we need some kind of timeout mechanism
(fn
(process-wait pid))
(lambda (pid exited retcode)
retcode))))
(and
(if (not (= ret-code (cadr ret)))
(begin
(fmt #t "Retcode differs. Got " ret-code ", expected " (cadr ret) nl)
#f)
#t)
(if (not (equal? out-lines (cdr out)))
(begin
(fmt #t "Output differs. Got " out-lines " expected " (cdr out) nl)
#f)
#t))))))
(define opts-grammar
`((sexc ,(fmt #f "Path to sexc compiler. Defaults to value of SEXC" nl
(pad 26) "environment variable, ot if it's empty, to sexc" nl )
(required #f)
(value #t))
(help "Show this help"
(required #f)
(value #f)
(single-char #\h))))
(define (process-test-file sexc path)
(set-environment-variable! "SEX_MODULE_PATH"
(normalize-pathname (make-absolute-pathname
(current-directory)
(pathname-directory path))))
(let* ((settings-and-src (process-file path))
(settings (car settings-and-src))
(src (cdr settings-and-src))
(compiled-file (compile src (assoc 'compile settings) sexc)))
(if (not compiled-file)
(begin (fmt #t "Failed to compile " path nl)
#f)
(if (run-and-check
compiled-file
(assoc 'input settings)
(assoc 'output settings)
(assoc 'return settings))
(begin (fmt #t ".")
#t)
(begin (fmt #t ",")
#f)))))
(define (main)
(let ((args (getopt-long (command-line-arguments)
opts-grammar)))
(when (assoc 'help args)
(print-help)
(exit 0))
(when (null? (cdr (assoc '@ args)))
(fmt #t "Missing target file" nl)
(print-help)
(exit 1))
(unless
(foldl and
#t
(map (fn (process-test-file (assoc 'sexc args) x))
(cdr (assoc '@ args))))
;; TODO: add more verbose and human readable output and reporting
(fmt #t nl)
(exit 2))
(fmt #t nl)
(exit 0)))
(main)