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parser tests

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Victor Fors 2021-12-01 15:28:32 +01:00
parent ab0b4b7c0e
commit 1418e5583a
2 changed files with 48 additions and 2 deletions
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2
parse.scm
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@ -1,4 +1,4 @@
(module parse (parse-line lift followed-by-consuming is-not)
(module parse (parse-line lift followed-by-consuming is-not parse-whitespace skip-whitespace parse-symbol parse-number parse-string followed-by-consuming separated-by parse-symbol-or-number-or-string completely-parse parse-statement parse-line)
(import scheme)
(import chicken.base)
(import srfi-13)

48
test-parse.scm
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@ -8,4 +8,50 @@
(import srfi-14)
(import parse)
(test "apple" (parse (lift list->string (one-or-more (in char-set:letter))) "apple")))
(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"))))