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;;;; test-driver.scm - Guile test driver for Automake testsuite harness
(define script-version "2018-03-25.05") ;UTC
;;; Copyright © 2015-2018 Free Software Foundation, Inc.
;;;
;;; 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/>.
;;;; Commentary:
;;;
;;; This script provides a Guile test driver using the SRFI-64 Scheme API for
;;; test suites. SRFI-64 is distributed with Guile since version 2.0.9.
;;;
;;; To use it, you have to manually copy this file in the ‘build-aux’
;;; directory of your package, then adapt the following snippets to your
;;; actual needs:
;;;
;;; configure.ac:
;;; AC_CONFIG_AUX_DIR([build-aux])
;;; AC_REQUIRE_AUX_FILE([test-driver.scm])
;;; AC_PATH_PROG([GUILE], [guile])
;;;
;;; Makefile.am
;;; TEST_LOG_DRIVER = $(GUILE) $(top_srcdir)/build-aux/test-driver.scm
;;; AM_TESTS_ENVIRONMENT = env GUILE_AUTO_COMPILE='0'
;;; TESTS = foo.test
;;; EXTRA_DIST = $(TESTS)
;;;
;;; foo.test
;;; (use-modules (srfi srfi-64))
;;; (test-begin "foo")
;;; (test-assert "assertion example" #t)
;;; (test-end "foo")
;;;
;;; See <https://srfi.schemers.org/srfi-64/srfi-64.html> for general
;;; information about SRFI-64 usage.
;;;
;;;; Code:
(use-modules (ice-9 getopt-long)
(ice-9 match)
(ice-9 pretty-print)
(srfi srfi-11)
(srfi srfi-26)
(srfi srfi-64)
(system vm coverage)
(system vm vm))
(define (show-help)
(display "Usage:
test-driver --test-name=NAME --log-file=PATH --trs-file=PATH
[--expect-failure={yes|no}] [--color-tests={yes|no}]
[--enable-hard-errors={yes|no}] [--brief={yes|no}}]
[--coverage={yes|no}] [--]
TEST-SCRIPT [TEST-SCRIPT-ARGUMENTS]
The '--test-name', '--log-file' and '--trs-file' options are mandatory.\n"))
(define %options
'((test-name (value #t))
(log-file (value #t))
(trs-file (value #t))
(color-tests (value #t))
(expect-failure (value #t)) ;XXX: not implemented yet
(enable-hard-errors (value #t)) ;not implemented in SRFI-64
(coverage (value #t))
(brief (value #t))
(help (single-char #\h) (value #f))
(version (single-char #\V) (value #f))))
(define (option->boolean options key)
"Return #t if the value associated with KEY in OPTIONS is \"yes\"."
(and=> (option-ref options key #f) (cut string=? <> "yes")))
(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 test-name #:key color? brief? out-port trs-port)
"Return an custom SRFI-64 test runner. TEST-NAME is a string specifying the
file name of the current the test. 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 "test-name: ~A~%" (result 'test-name))
(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 - ~A~%"
(result->string (test-result-kind runner) #:colorize? color?)
test-name (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: ~A~%"
(result->string (if fail 'fail (if skip 'skip 'pass))
#:colorize? color?)
test-name))
#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))
;;;
;;; Entry point.
;;;
(let* ((opts (getopt-long (command-line) %options))
(option (cut option-ref opts <> <>)))
(cond
((option 'help #f) (show-help))
((option 'version #f) (format #t "test-driver.scm ~A" script-version))
(else
(match (option '() '())
(()
(display "missing test script argument\n" (current-error-port))
(exit 1))
((script . args)
(let ((log (open-file (option 'log-file "") "w0"))
(trs (open-file (option 'trs-file "") "wl"))
(out (duplicate-port (current-output-port) "wl")))
(define (check)
(test-with-runner
(test-runner-gnu (option 'test-name #f)
#:color? (option->boolean opts 'color-tests)
#:brief? (option->boolean opts 'brief)
#:out-port out #:trs-port trs)
(primitive-load script)))
(redirect-port log (current-output-port))
(redirect-port log (current-warning-port))
(redirect-port log (current-error-port))
(if (not (option->boolean opts 'coverage))
(check)
(begin
;; The debug engine is required for tracing coverage data.
(set-vm-engine! 'debug)
(let-values (((data result) (with-code-coverage check)))
(let* ((file (string-append (option 'test-name #f) ".info"))
(port (open-output-file file)))
(coverage-data->lcov data port)
(close port)))))
(close-port log)
(close-port trs)
(close-port out))))))
(exit 0))
;;; Local Variables:
;;; eval: (add-hook 'before-save-hook 'time-stamp)
;;; time-stamp-start: "(define script-version \""
;;; time-stamp-format: "%:y-%02m-%02d.%02H"
;;; time-stamp-time-zone: "UTC0"
;;; time-stamp-end: "\") ;UTC"
;;; End:
;;;; test-driver.scm ends here.
|
