t/test.lisp

   1 (in-package :js-test)
   2
   3 ;; Testcases for parenscript
   4
   5 (defun trim-whitespace(str)
   6   (string-trim '(#\Space #\Tab #\Newline) str))
   7
   8 (defun same-space-between-statements(code)
   9   (cl-ppcre:regex-replace-all "\\s*;\\s*" code (concatenate 'string (list #\; #\Newline))))
  10
  11 (defun no-indentation(code)
  12   (cl-ppcre:regex-replace-all (cl-ppcre:create-scanner "^\\s*" :multi-line-mode t) code ""))
  13
  14 (defun no-trailing-spaces(code)
  15   (cl-ppcre:regex-replace-all (cl-ppcre:create-scanner "\\s*$" :multi-line-mode t) code ""))
  16
  17 (defun normalize-js-code(str)
  18   (trim-whitespace (no-indentation (no-trailing-spaces (same-space-between-statements str)))))
  19
  20 (defmacro test-ps-js (testname parenscript javascript)
  21   `(test ,testname ()
  22     (setf js::*var-counter* 0)
  23     ;; is-macro expands its argument again when reporting failures, so
  24     ;; the reported temporary js-variables get wrong if we don't evalute first.
  25     (let ((generated-code (js-to-string ',parenscript))
  26           (js-code ,javascript))
  27       (is (string= (normalize-js-code generated-code)
  28                    (normalize-js-code js-code))))))
  29
  30 (defun run-tests()
  31   (format t "Running reference tests:~&")
  32   (run! 'ref-tests)
  33   (format t "Running other tests:~&")
  34   (run! 'ps-tests))
  35
  36 ;;---------------------------------------------------------------------------
  37 (def-suite ps-tests)
  38 (in-suite ps-tests)
  39
  40 (test-ps-js plus-is-not-commutative
  41    (setf x (+ "before" x "after"))
  42    "x = 'before' + x + 'after'")
  43
  44 (test-ps-js plus-works-if-first
  45    (setf x (+ x "middle" "after"))
  46    "x += 'middle' + 'after'")
  47
  48 (test-ps-js setf-side-effects
  49             (progn
  50               (let ((x 10))
  51                 (defun side-effect()
  52                   (setf x 4)
  53                   (return 3))
  54                 (setf x (+ 2 (side-effect) x 5))))
  55             "
  56 var x = 10;
  57 function sideEffect() {
  58   x = 4;
  59   return 3;
  60 };
  61 x = 2 + sideEffect() + x + 5;")
  62 ;; Parenscript used to optimize to much:
  63 ;;   var x = 10;
  64 ;;   function sideEffect() {
  65 ;;     x = 4;
  66 ;;     return 3;
  67 ;;   };
  68 ;;   x += 2 + sideEffect() + 5;
  69 ;;
  70 ;;   Which is 20, not 14
  71
  72
  73 (test-ps-js dot-notation-bug
  74             (.match (+ "" x) "foo")
  75             "('' + x).match('foo')")
  76
  77 (test-ps-js method-call-op-form (.to-string (+ "" x)) "('' + x).toString()")
  78 (test-ps-js method-call-number (.to-string 10) "(10).toString()")
  79 (test-ps-js method-call-string (.to-string "hi") "'hi'.toString()")
  80 (test-ps-js method-call-lit-object
  81             (.to-string (create :to-string : (lambda ()
  82                                                 (return "it works"))))
  83             "({ toString : function () {
  84         return 'it works';
  85       } }).toString()")
  86
  87 (test-ps-js method-call-variable
  88             (.to-string x)
  89             "x.toString()")
  90
  91 (test-ps-js method-call-array
  92             (.to-string (list 10 20))
  93             "[10, 20].toString()")
  94 (test-ps-js method-call-fn-call
  95             (.to-string (foo))
  96             "foo().toString()")
  97 (test-ps-js method-call-lambda-fn
  98             (.to-string (lambda () (alert 10)))
  99             "(function () {alert(10);}).toString()")
 100 (test-ps-js method-call-lambda-call
 101             (.to-string ((lambda (x) (return x)) 10))
 102             "(function (x) {return x;})(10).toString()")
 103 (test no-whitespace-before-dot
 104   (let* ((str (js:js* '(.to-string ((lambda (x) (return x)) 10))))
 105          (dot-pos (position #\. str :test #'char=))
 106          (char-before (elt str (1- dot-pos)))
 107          (a-parenthesis #\)))
 108     (is (char= char-before a-parenthesis))))
 109
 110 ;; A problem with long nested operator, when the statement spanned several rows
 111 ;; the rows would not be joined together correctly.
 112 (test-ps-js bug-dwim-join
 113    (alert (html ((:div :id 777
 114                        :style (css-inline :border "1pxsssssssssss"
 115                                           :font-size "x-small"
 116                                           :height (* 2 200)
 117                                           :width (* 2 300))))))
 118    "alert
 119 ('<div id=\"777\" style=\"'
 120  + ('border:1pxsssssssssss;font-size:x-small;height:' + 2 * 200 + ';width:'
 121  + 2 * 300)
 122  + '\"></div>')") ;";This line should start with a plus character.
 123
 124
 125 (test-ps-js simple-slot-value
 126   (let ((foo (create :a 1)))
 127    (alert (slot-value foo 'a)))
 128   "{
 129     var foo = { a : 1 };
 130     alert(foo.a);
 131    }")
 132
 133 (test-ps-js buggy-slot-value
 134    (let ((foo (create :a 1))
 135         (slot-name "a"))
 136     (alert (slot-value foo slot-name)))
 137   "{
 138     var foo = { a : 1 };
 139     var slotName = 'a';
 140     alert(foo[slotName]);
 141    }"); Last line was alert(foo.slotName) before bug-fix.
 142
 143 (test-ps-js buggy-slot-value-two
 144   (slot-value foo (get-slot-name))
 145   "foo[getSlotName()]")
 146
 147 (test-ps-js old-case-is-now-switch
 148   ;; Switch was "case" before, but that was very non-lispish.
 149   ;; For example, this code makes three messages and not one
 150   ;; which may have been expected. This is because a switch
 151   ;; statment must have a break statement for it to return
 152   ;; after the alert. Otherwise it continues on the next
 153   ;; clause.
 154   (switch (aref blorg i)
 155      (1 (alert "one"))
 156      (2 (alert "two"))
 157      (default (alert "default clause")))
 158      "switch (blorg[i]) {
 159          case 1:   alert('one');
 160          case 2:   alert('two');
 161          default:   alert('default clause');
 162          }")
 163
 164 (test-ps-js lisp-like-case
 165    (case (aref blorg i)
 166      (1 (alert "one"))
 167      (2 (alert "two"))
 168      (default (alert "default clause")))
 169      "switch (blorg[i]) {
 170          case 1:
 171                    alert('one');
 172                    break;
 173          case 2:
 174                    alert('two');
 175                    break;
 176          default:   alert('default clause');
 177          }")
 178
 179
 180 (test-ps-js even-lispier-case
 181   (case (aref blorg i)
 182       ((1 2) (alert "Below three"))
 183       (3 (alert "Three"))
 184       (t (alert "Something else")))
 185    "switch (blorg[i]) {
 186          case 1:   ;
 187          case 2:
 188                    alert('Below three');
 189                    break;
 190          case 3:
 191                    alert('Three');
 192                    break;
 193          default:   alert('Something else');
 194     }")
 195
 196 (test-ps-js otherwise-case
 197    (case (aref blorg i)
 198      (1 (alert "one"))
 199      (otherwise (alert "default clause")))
 200      "switch (blorg[i]) {
 201          case 1:
 202                    alert('one');
 203                    break;
 204          default:   alert('default clause');
 205          }")
 206
 207 (test escape-sequences-in-string
 208   (let ((escapes `((#\\ . #\\)
 209                    (#\b . #\Backspace)
 210                    (#\f . #\Form)
 211                    ("u000b" . ,(code-char #x000b));;Vertical tab, too uncommon to bother with
 212                    (#\n . #\Newline)
 213                    (#\r . #\Return)
 214                    (#\' . #\');;Double quote need not be quoted because parenscript strings are single quoted
 215                    (#\t . #\Tab)
 216                    ("u001f" . ,(code-char #x001f));; character below 32
 217                    ("u0080" . ,(code-char 128)) ;;Character over 127. Actually valid, parenscript escapes them to be sure.
 218                    ("uabcd" . ,(code-char #xabcd)))));; Really above ascii.
 219     (loop for (js-escape . lisp-char) in escapes
 220           for generated = (js-to-string `(let ((x , (format nil "hello~ahi" lisp-char)))))
 221           for wanted = (format nil "{
 222   var x = 'hello\\~ahi';
 223 }" js-escape)
 224           do (is (string= generated wanted)))))