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;;;; getopt-long.test --- long options processing -*- scheme -*-
;;;; Thien-Thi Nguyen <ttn@gnu.org> --- August 2001
;;;;
;;;; Copyright (C) 2001, 2006, 2011 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;;
;;;; This library 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
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
(use-modules (test-suite lib)
(ice-9 getopt-long)
(ice-9 regex))
(define-syntax pass-if-fatal-exception
(syntax-rules ()
((_ name exn exp)
(let ((port (open-output-string)))
(with-error-to-port port
(lambda ()
(run-test
name #t
(lambda ()
(catch (car exn)
(lambda () exp #f)
(lambda (k . args)
(let ((output (get-output-string port)))
(close-port port)
(if (string-match (cdr exn) output)
#t
(error "Unexpected output" output)))))))))))))
(defmacro deferr (name-frag re)
(let ((name (symbol-append 'exception: name-frag)))
`(define ,name (cons 'quit ,re))))
(deferr no-such-option "no such option")
(deferr option-predicate-failed "option predicate failed")
(deferr option-does-not-support-arg "option does not support argument")
(deferr option-must-be-specified "option must be specified")
(deferr option-must-have-arg "option must be specified with argument")
(with-test-prefix "exported procs"
(pass-if "`option-ref' defined" (defined? 'option-ref))
(pass-if "`getopt-long' defined" (defined? 'getopt-long)))
(with-test-prefix "specifying predicate"
(define (test1 . args)
(getopt-long args
`((test (value #t)
(predicate ,(lambda (x)
(string-match "^[0-9]+$" x)))))))
(pass-if "valid arg"
(equal? (test1 "foo" "bar" "--test=123")
'((() "bar") (test . "123"))))
(pass-if-fatal-exception "invalid arg"
exception:option-predicate-failed
(test1 "foo" "bar" "--test=foo"))
(pass-if-fatal-exception "option has no arg"
exception:option-must-have-arg
(test1 "foo" "bar" "--test"))
)
(with-test-prefix "not specifying predicate"
(define (test2 . args)
(getopt-long args `((test (value #t)))))
(pass-if "option has arg"
(equal? (test2 "foo" "bar" "--test=foo")
'((() "bar") (test . "foo"))))
(pass-if "option has no arg"
(equal? (test2 "foo" "bar")
'((() "bar"))))
)
(with-test-prefix "value optional"
(define (test3 . args)
(getopt-long args '((foo (value optional) (single-char #\f))
(bar))))
(pass-if "long option `foo' w/ arg, long option `bar'"
(equal? (test3 "prg" "--foo" "fooval" "--bar")
'((()) (bar . #t) (foo . "fooval"))))
(pass-if "short option `foo' w/ arg, long option `bar'"
(equal? (test3 "prg" "-f" "fooval" "--bar")
'((()) (bar . #t) (foo . "fooval"))))
(pass-if "short option `foo', long option `bar', no args"
(equal? (test3 "prg" "-f" "--bar")
'((()) (bar . #t) (foo . #t))))
(pass-if "long option `foo', long option `bar', no args"
(equal? (test3 "prg" "--foo" "--bar")
'((()) (bar . #t) (foo . #t))))
(pass-if "long option `bar', short option `foo', no args"
(equal? (test3 "prg" "--bar" "-f")
'((()) (foo . #t) (bar . #t))))
(pass-if "long option `bar', long option `foo', no args"
(equal? (test3 "prg" "--bar" "--foo")
'((()) (foo . #t) (bar . #t))))
)
(with-test-prefix "option-ref"
(define (test4 option-arg . args)
(equal? option-arg (option-ref (getopt-long
(cons "prog" args)
'((foo
(value optional)
(single-char #\f))
(bar)))
'foo #f)))
(pass-if "option-ref `--foo 4'"
(test4 "4" "--foo" "4"))
(pass-if "option-ref `-f 4'"
(test4 "4" "-f" "4"))
(pass-if "option-ref `-f4'"
(test4 "4" "-f4"))
(pass-if "option-ref `--foo=4'"
(test4 "4" "--foo=4"))
)
(with-test-prefix "required"
(define (test5 args specs)
(getopt-long (cons "foo" args) specs))
(pass-if "not mentioned, not given"
(equal? (test5 '() '())
'((()))))
(pass-if-fatal-exception "not mentioned, given"
exception:no-such-option
(test5 '("--req") '((something))))
(pass-if "not specified required, not given"
(equal? (test5 '() '((req (required? #f))))
'((()))))
(pass-if "not specified required, given anyway"
(equal? (test5 '("--req") '((req (required? #f))))
'((()) (req . #t))))
(pass-if "not specified required, but w/ value, given anyway w/ \"=\" val"
(equal? (test5 '("--req=7") '((req (required? #f) (value #t))))
'((()) (req . "7"))))
(pass-if "not specified required, but w/ value, given anyway w/ non-\"=\" val"
(equal? (test5 '("--req" "7") '((req (required? #f) (value #t))))
'((()) (req . "7"))))
(pass-if-fatal-exception "specified required, not given"
exception:option-must-be-specified
(test5 '() '((req (required? #t)))))
)
(with-test-prefix "specified no-value, given anyway"
(define (test6 args specs)
(getopt-long (cons "foo" args) specs))
(pass-if-fatal-exception "using \"=\" syntax"
exception:option-does-not-support-arg
(test6 '("--maybe=yes") '((maybe))))
)
(with-test-prefix "specified arg required"
(define (test7 args)
(getopt-long (cons "foo" args) '((hmm (value #t) (single-char #\H))
(ignore))))
(pass-if "short opt, arg given"
(equal? (test7 '("-H" "99"))
'((()) (hmm . "99"))))
(pass-if "long non-\"=\" opt, arg given"
(equal? (test7 '("--hmm" "100"))
'((()) (hmm . "100"))))
(pass-if "long \"=\" opt, arg given"
(equal? (test7 '("--hmm=101"))
'((()) (hmm . "101"))))
(pass-if-fatal-exception "short opt, arg not given"
exception:option-must-have-arg
(test7 '("-H")))
(pass-if-fatal-exception "long non-\"=\" opt, arg not given (next arg an option)"
exception:option-must-have-arg
(test7 '("--hmm" "--ignore")))
(pass-if-fatal-exception "long \"=\" opt, arg not given"
exception:option-must-have-arg
(test7 '("--hmm")))
)
(with-test-prefix "apples-blimps-catalexis example"
(define (test8 . args)
(equal? (sort (getopt-long (cons "foo" args)
'((apples (single-char #\a))
(blimps (single-char #\b) (value #t))
(catalexis (single-char #\c) (value #t))))
(lambda (a b)
(cond ((null? (car a)) #t)
((null? (car b)) #f)
(else (string<? (symbol->string (car a))
(symbol->string (car b)))))))
'((())
(apples . #t)
(blimps . "bang")
(catalexis . "couth"))))
(pass-if "normal 1" (test8 "-a" "-b" "bang" "-c" "couth"))
(pass-if "normal 2" (test8 "-ab" "bang" "-c" "couth"))
(pass-if "normal 3" (test8 "-ac" "couth" "-b" "bang"))
(pass-if-fatal-exception "bad ordering causes missing option"
exception:option-must-have-arg
(test8 "-abc" "couth" "bang"))
)
(with-test-prefix "multiple occurrences"
(define (test9 . args)
(equal? (getopt-long (cons "foo" args)
'((inc (single-char #\I) (value #t))
(foo (single-char #\f))))
'((()) (inc . "2") (foo . #t) (inc . "1"))))
;; terminology:
;; sf -- single-char free
;; sa -- single-char abutted
;; lf -- long free
;; la -- long abutted (using "=")
(pass-if "sf/sf" (test9 "-I" "1" "-f" "-I" "2"))
(pass-if "sa/sa" (test9 "-I1" "-f" "-I2"))
(pass-if "sf/sa" (test9 "-I" "1" "-f" "-I2"))
(pass-if "sa/sf" (test9 "-I1" "-f" "-I" "2"))
(pass-if "lf/lf" (test9 "--inc" "1" "-f" "--inc" "2"))
(pass-if "la/la" (test9 "--inc=1" "-f" "--inc=2"))
(pass-if "lf/la" (test9 "--inc" "1" "-f" "--inc=2"))
(pass-if "la/lf" (test9 "--inc=1" "-f" "--inc" "2"))
(pass-if "sf/lf" (test9 "-I" "1" "-f" "--inc" "2"))
(pass-if "lf/sf" (test9 "--inc" "1" "-f" "-I" "2"))
(pass-if "sf/la" (test9 "-I" "1" "-f" "--inc=2"))
(pass-if "la/sf" (test9 "--inc=1" "-f" "-I" "2"))
(pass-if "sa/lf" (test9 "-I1" "-f" "--inc" "2"))
(pass-if "lf/sa" (test9 "--inc" "1" "-f" "-I2"))
(pass-if "sa/la" (test9 "-I1" "-f" "--inc=2"))
(pass-if "la/sa" (test9 "--inc=1" "-f" "-I2"))
)
(with-test-prefix "stop-at-first-non-option"
(pass-if "guile-tools compile example"
(equal? (getopt-long '("guile-tools" "compile" "-Wformat" "eval.scm" "-o" "eval.go")
'((help (single-char #\h))
(version (single-char #\v)))
#:stop-at-first-non-option #t)
'((() "compile" "-Wformat" "eval.scm" "-o" "eval.go"))))
)
;;; getopt-long.test ends here
|
