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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