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;;; Copyright © 2015, 2016 Mathieu Lirzin <mthl@gnu.org>
;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
;;;
;;; This program is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with this program. If not, see <http://www.gnu.org/licenses/>.
(define-module (tests driver)
#:use-module (ice-9 pretty-print)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-64)
#:export (setup-runner))
(define* (test-display field value #:optional (port (current-output-port))
#:key pretty?)
"Display \"FIELD: VALUE\\n\" on PORT."
(if pretty?
(begin
(format port "~A:~%" field)
(pretty-print value port #:per-line-prefix "+ "))
(format port "~A: ~S~%" field value)))
(define* (result->string symbol #:key colorize?)
"Return SYMBOL as an upper case string. Use colors when COLORIZE is #t."
(let ((result (string-upcase (symbol->string symbol))))
(if colorize?
(string-append (case symbol
((pass) "[0;32m") ;green
((xfail) "[1;32m") ;light green
((skip) "[1;34m") ;blue
((fail xpass) "[0;31m") ;red
((error) "[0;35m")) ;magenta
result
"[m") ;no color
result)))
(define* (test-runner-gnu #:key color? brief? out-port trs-port)
"Return an custom SRFI-64 test runner. COLOR? specifies whether to use colors,
and BRIEF?, well, you know. OUT-PORT and TRS-PORT must be output ports. The
current output port is supposed to be redirected to a '.log' file."
(define (test-on-test-begin-gnu runner)
;; Procedure called at the start of an individual test case, before the
;; test expression (and expected value) are evaluated.
(let ((result (cute assq-ref (test-result-alist runner) <>)))
(format #t "location: ~A~%"
(string-append (result 'source-file) ":"
(number->string (result 'source-line))))
(test-display "source" (result 'source-form) #:pretty? #t)))
(define (test-on-test-end-gnu runner)
;; Procedure called at the end of an individual test case, when the result
;; of the test is available.
(let* ((results (test-result-alist runner))
(result? (cut assq <> results))
(result (cut assq-ref results <>)))
(unless brief?
;; Display the result of each test case on the console.
(format out-port "~A: ~A~%"
(result->string (test-result-kind runner) #:colorize? color?)
(test-runner-test-name runner)))
(when (result? 'expected-value)
(test-display "expected-value" (result 'expected-value)))
(when (result? 'expected-error)
(test-display "expected-error" (result 'expected-error) #:pretty? #t))
(when (result? 'actual-value)
(test-display "actual-value" (result 'actual-value)))
(when (result? 'actual-error)
(test-display "actual-error" (result 'actual-error) #:pretty? #t))
(format #t "result: ~a~%" (result->string (result 'result-kind)))
(newline)
(format trs-port ":test-result: ~A ~A~%"
(result->string (test-result-kind runner))
(test-runner-test-name runner))))
(define (test-on-group-end-gnu runner)
;; Procedure called by a 'test-end', including at the end of a test-group.
(let ((fail (or (positive? (test-runner-fail-count runner))
(positive? (test-runner-xpass-count runner))))
(skip (or (positive? (test-runner-skip-count runner))
(positive? (test-runner-xfail-count runner)))))
;; XXX: The global results need some refinements for XPASS.
(format trs-port ":global-test-result: ~A~%"
(if fail "FAIL" (if skip "SKIP" "PASS")))
(format trs-port ":recheck: ~A~%"
(if fail "yes" "no"))
(format trs-port ":copy-in-global-log: ~A~%"
(if (or fail skip) "yes" "no"))
(when brief?
;; Display the global test group result on the console.
(format out-port "~A: ~%"
(result->string (if fail 'fail (if skip 'skip 'pass))
#:colorize? color?)))
#f))
(let ((runner (test-runner-null)))
(test-runner-on-test-begin! runner test-on-test-begin-gnu)
(test-runner-on-test-end! runner test-on-test-end-gnu)
(test-runner-on-group-end! runner test-on-group-end-gnu)
(test-runner-on-bad-end-name! runner test-on-bad-end-name-simple)
runner))
(define (setup-runner)
(test-runner-current (test-runner-gnu)))
(setup-runner)
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