thodg/css-lexer/test.lisp

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• Hash : 60005ba9
  Author : Thomas de Grivel
  Date : 2022-11-04T11:09:33
  

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• test.lisp

• ;; css-lexer - CSS lexer as a cl-stream/token-stream
  ;; Copyright 2018,2022 Thomas de Grivel <thoxdg@gmail.com>
  
  (in-package :common-lisp-user)
  
  (defpackage :css-lexer/test
    (:use :babel-stream
          :cl
          :cl-stream
          :css-lexer
          :unistd-stream)
    #.(cl-stream:shadowing-import-from)
    (:export
     #:run
     #:simple-test
     #:test
     #:test-file))
  
  (in-package :css-lexer/test)
  
  (defgeneric test (x))
  
  (defmethod test ((s string))
    (with-stream (css (css-lexer (string-input-stream s)))
      (let ((result))
        (loop
           (multiple-value-bind (token state) (stream-read css)
             (ecase state
               ((nil) (push token result))
               ((:eof) (return))
               ((:non-blocking) (sleep 0.01)))))
        (nreverse result))))
  
  (defmethod test ((path pathname))
    (with-stream (css (css-lexer
                       (babel-input-stream
                        (unistd-stream-open
                         (namestring path) :read t))))
      (let ((result))
        (loop
           (multiple-value-bind (token state) (stream-read css)
             (ecase state
               ((nil) (push token result))
               ((:eof) (return))
               ((:non-blocking) (sleep 0.01)))))
        (nreverse result))))
  
  (defparameter *tests*
    '((""
       eof-token)
      ("body { color: #f00; }"
       ident-token whitespace-token {-token whitespace-token
       ident-token colon-token whitespace-token hash-token semicolon-token
       whitespace-token }-token eof-token)
      ("/* comment */"
       comment-token eof-token)))
  
  (defvar *success*)
  
  (defun compare-result (result expected)
    (loop
       (when (endp result)
         (cond ((endp expected)
                (format t ";  OK~%")
                (incf *success*))
               (t
                (format t ";  FAIL not matched: ~S~%" expected)))
         (return (endp expected)))
       (when (endp expected)
         (format t ";  FAIL unexpected: ~S~%" result)
         (return nil))
       (let ((r (first result))
             (e (first expected)))
         (unless (eq (class-name (class-of r)) e)
           (format t ";  FAIL expected ~S got ~S~%" e r)
           (return)))
       (pop result)
       (pop expected)))
  
  (defun run ()
    (let ((count (length *tests*))
          (i 0)
          (*success* 0))
      (dolist (test *tests*)
        (destructuring-bind (arg &rest expected) test
          (format t "~&; ~A/~A ~S~%" (incf i) count arg)
          (let ((result (test arg)))
            (compare-result result expected))))
      (format t "; Passed tests ~A/~A total~%" *success* count)))
  

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