kekkonen/test-parse.scm

(module test-parse ()
  (import scheme)
  (import (chicken base))
  (import (chicken syntax))
  (import srfi-1)
  (import test)
  (import comparse)
  (import srfi-14)
  (import parse)

  (test "apple" (parse (lift list->string (one-or-more (in char-set:letter))) "apple"))

  (test '(#\o #\r #\a #\n) (parse (one-or-more (is-not #\g)) "orange"))

  (test-group "parse-whitespace"
	      (test '(#\space #\space #\space) (parse parse-whitespace "   "))

	      (test #f (parse parse-whitespace "pear")))

  (test-group "skip-whitespace"
	      (test "mango" (parse (preceded-by skip-whitespace (as-string (one-or-more (in char-set:letter)))) "   mango"))
	      (test "mango" (parse (preceded-by skip-whitespace (as-string (one-or-more (in char-set:letter)))) "mango")))

  (test-group "parse-symbol"
	      (test 'chicken (parse parse-symbol "chicken")))

  (test-group "parse-number"
	      (test 333 (parse parse-number "333"))
	      (test #f (parse parse-number "owlfox")))

  (test-group "parse-string"
	      (test "0day" (parse parse-string "\"0day\""))
	      (test #f (parse parse-string "\"0day"))
	      (test #f (parse parse-string "0day\""))
	      (test #f (parse parse-string "0day")))

  (test-group "followed-by-consuming"
	      (test '("achtung" "hovercraft") (parse (sequence (followed-by-consuming (as-string (one-or-more (in char-set:letter)))
										      (char-seq ": ")) (as-string (one-or-more (in char-set:letter)))) "achtung: hovercraft")))

  (test-group "separated-by"
	      (test '("fox" "hen" "lizard") (parse (separated-by (char-seq ", ") (as-string (one-or-more (in char-set:letter)))) "fox, hen, lizard")))

  (test-group "parse-symbol-or-number-or-string"
	      (test 'coin (parse parse-symbol-or-number-or-string "coin"))
	      (test 67 (parse parse-symbol-or-number-or-string "67"))
	      (test "token" (parse parse-symbol-or-number-or-string "\"token\"")))

  (test-group "completely-parse"
	      (test "owlbear" (parse (as-string (completely-parse (one-or-more (in char-set:letter)))) "owlbear"))
	      (test #f (parse (as-string (completely-parse (one-or-more (in char-set:letter)))) "owlbear pelt")))

  (test-group "parse-statement"
	      (test '(set "undulate" 33) (parse parse-statement "set \"undulate\" 33")))

  (test-group "parse-line"
	      (test '(set "christmas" 45) (parse parse-statement "set \"christmas\" 45"))))