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test-parsers.lisp
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(in-package :parser-combinators-tests)
(in-suite parser-combinators-tests)
(defsuite* parsers-tests)
;;; test for predefined parsers
;;; at least some of them, this is boring, write automatic genetor
(defmacro defparsertest (test-name parser (&rest should-pairs) (&rest fails))
`(deftest ,test-name ()
,@(iter (for (string should) on should-pairs by #'cddr)
(collect `(is (equal ,should
(tree-of (current-result (parse-string ,parser ,string)))))))
,@(iter (for string in fails)
(collect `(is (null (current-result (parse-string ,parser ,string))))))))
(defparsertest test-char? (char? #\a)
("a" #\a)
("b"))
(defparsertest test-digit? (digit?)
("5" #\5)
("b"))
(defparsertest test-lower? (lower?)
("a" #\a)
("A" "5"))
(defparsertest test-upper? (upper?)
("A" #\A)
("a" "5"))
(defparsertest test-alphanum? (alphanum?)
("A" #\A "b" #\b "1" #\1 "5" #\5)
(" " ","))
(defparsertest test-word? (word?)
("abc" "abc" )
(" " "123"))
(defparsertest test-string? (string? (list #\a #\b #\c) :result-type 'list)
("abc" (list #\a #\b #\c) "abcd" (list #\a #\b #\c))
("cde" "abd" "aBc"))
(defparsertest test-string?-chain (seq-list? "abc" "def")
("abcdef" (list "abc" "def") "abcdefgh" (list "abc" "def"))
("abcedef"))
(deftest test-string?-endcontext ()
(is (null (nth-value 1 (parse-string* "abc" "abc")))))
(defparsertest test-string?-char-equal (string? (list #\a #\b #\c) :test #'char-equal :result-type 'string)
("aBc" "aBc" "ABC" "ABC" "abCd" "abC")
("cde" "abd"))
(defparsertest test-many? (many? (letter?))
("abc" (list #\a #\b #\c) "cdef" (list #\c #\d #\e #\f) "Aaa12" (list #\A #\a #\a) "" nil
"123" nil " ," nil " a" nil)
())
(defparsertest test-many1? (many1? (letter?))
("abc" (list #\a #\b #\c))
("" "123" " a"))
(defparsertest test-times? (times? (letter?) 3)
("abc" (list #\a #\b #\c) "abcd" (list #\a #\b #\c))
("" "a" "ab"))
(defparsertest test-atleast? (atleast? (letter?) 3)
("abc" (list #\a #\b #\c) "abcd" (list #\a #\b #\c #\d))
("" "a" "ab"))
(defparsertest test-atmost? (atmost? (letter?) 3)
("a" (list #\a) "ab" (list #\a #\b) "abc" (list #\a #\b #\c) "abcd" (list #\a #\b #\c) "" nil "1" nil)
())
(defparsertest test-between? (between? (letter?) 2 3)
("ab" (list #\a #\b) "abc" (list #\a #\b #\c) "abcd" (list #\a #\b #\c))
("a" ""))
(defparsertest test-int? (int?)
("5" 5 "12" 12 "145" 145 "-56" -56)
("a" "b" " "))
(defparsertest test-sepby1? (sepby1? (int?) (char? #\,))
("1,2,3" (list 1 2 3) "4,-5,6" (list 4 -5 6) "23" (list 23))
("" " " "abc"))
(defparsertest test-bracket? (bracket? (char? #\[) (sepby1? (int?) (char? #\,)) (char? #\]))
("[1,2,3]" (list 1 2 3) "[4,-5,6]" (list 4 -5 6) "[23]" (list 23))
("" " " "abc" "1,2,3" "[4,5,6"))
(defparsertest test-sepby? (sepby? (int?) (char? #\,))
("1,2,3" (list 1 2 3) "4,-5,6" (list 4 -5 6) "23" (list 23) "" nil "abc" nil)
())
(defparsertest test-nat? (nat?)
("1" 1 "23" 23)
("-1"))
(defparsertest test-chainl1? (chainl1? (digit?) (result #'list))
("123" (list (list #\1 #\2) #\3))
(""))
(defparsertest test-chainr1? (chainr1? (digit?) (result #'list))
("123" (list #\1 (list #\2 #\3)))
(""))
(defparsertest test-find? (find? "ab")
("cacbcacab" "ab")
("" "cacacbac"))
(defparsertest test-find-after? (find-after? #\c "ab")
("ccccccab" "ab" "cab" "ab")
("" "acb" "bcccab"))
(defparsertest test-find-after-collect? (find-after-collect? #\a "cc" 'string)
("aaaacc" '("aaaa" . "cc"))
("aaaa" "aaac"))
(defparsertest test-many* (many* (letter?))
("abc" (list #\a #\b #\c) "cdef" (list #\c #\d #\e #\f) "Aaa12" (list #\A #\a #\a) "" nil
"123" nil " ," nil " a" nil)
())
(defparsertest test-many1* (many1* (letter?))
("abc" (list #\a #\b #\c))
("" "123" " a"))
(defparsertest test-atleast* (atleast* (letter?) 3)
("abc" (list #\a #\b #\c) "abcd" (list #\a #\b #\c #\d))
("" "a" "ab"))
(defparsertest test-atmost* (atmost* (letter?) 3)
("a" (list #\a) "ab" (list #\a #\b) "abc" (list #\a #\b #\c) "abcd" (list #\a #\b #\c) "" nil "1" nil)
())
(defparsertest test-between* (between* (letter?) 2 3)
("ab" (list #\a #\b) "abc" (list #\a #\b #\c) "abcd" (list #\a #\b #\c))
("a" ""))
(defparsertest test-sepby1* (sepby1* (int?) (char? #\,))
("1,2,3" (list 1 2 3) "4,-5,6" (list 4 -5 6) "23" (list 23))
("" " " "abc"))
(defparsertest test-sepby* (sepby* (int?) (char? #\,))
("1,2,3" (list 1 2 3) "4,-5,6" (list 4 -5 6) "23" (list 23) "" nil "abc" nil)
())
(defparsertest test-chainl1* (chainl1* (digit?) (result #'list))
("123" (list (list #\1 #\2) #\3))
(""))
(defparsertest test-chainr1* (chainr1* (digit?) (result #'list))
("123" (list #\1 (list #\2 #\3)))
(""))
(defparsertest test-nat* (nat*)
("1" 1 "23" 23)
("-1"))
(defparsertest test-int* (int*)
("5" 5 "12" 12 "145" 145 "-56" -56)
("a" "b" " "))
(defparsertest test-find-after* (find-after* "ab" "cd")
("abababcd" "cd" "cd" "cd")
("ababab" "adbacd"))
(defparsertest test-gather-before-token* (gather-before-token* #\a :result-type 'string :accept-end t)
("cccddda" "cccddd" "gthj" "gthj")
())
(defparsertest test-gather-before-token*-chain
(seq-list* (gather-before-token* #\a :result-type 'string :accept-end t)
(gather-before-token* #\b :result-type 'string :accept-end t :accept-empty t))
("cccdddaghb" (list "cccddd" "agh") "gthj" (list "gthj" ""))
())
(defparsertest test-find-before-token* (find-before-token* "ab" #\c)
("abababc" (list "ab" "ab" "ab"))
("def"))
(deftest test-memo ()
(is (equal '(("12" "3") ("12") ("1" "23") ("1" "2" "3") ("1" "2") ("1") NIL)
(mapcar #'tree-of
(gather-results
(parse-string (many? (between? (memoize? (digit?)) 1 2 'string))
"123"))))))
(deftest test-context ()
(is (equal "1234"
(tree-of (current-result
(parse-string (mdo (<- c1 (context?))
(many* (digit?))
(<- c2 (context?))
(result (context-interval c1 c2)))
"1234abc")))))
(is (equal "1234"
(tree-of (current-result
(parse-string (mdo (<- c1 (context?))
(many* (digit?))
(<- c2 (context?))
(result (context-interval c1 c2)))
"1234"))))))
(defparsertest test-mdo-constants (mdo (times? "ab" 2)
#\c
"defg")
("ababcdefg" "defg")
("ababccdefg"))
(defparsertest test-find-before? (mdo (<- word (word?))
(<- term #\;)
(result (list term word)))
("alamakota;" '(#\; "alamakota"))
("alamakota" ";"))
(defparsertest test-find-before* (mdo (<- word (word?))
(<- term #\;)
(result (list term word)))
("alamakota;" '(#\; "alamakota"))
("alamakota" ";"))
(defparsertest test-end? (mdo (<- word (word?))
(<- end (end?))
(result (list word end)))
("alamakota" '("alamakota" t))
("alamakota " ""))
(defparsertest test-empty? (end?)
("" t)
("abc"))
(defparsertest test-seq-list? (seq-list? #\a #\b #\c)
("abc" '(#\a #\b #\c))
("abd"))
(defparsertest test-named-seq? (named-seq? (<- a #\a) #\b (<- c #\c)
(list a 'b c))
("abc" '(#\a b #\c))
("acb"))
(defparsertest test-seq-list* (seq-list* #\a #\b #\c)
("abc" '(#\a #\b #\c))
("abd"))
(defparsertest test-named-seq* (named-seq* (<- a #\a) #\b (<- c #\c)
(list a 'b c))
("abc" '(#\a b #\c))
("acb"))