;;;; Copyright 2005 Juri Pakaste
;;;; 
;;;; This file is part of Lukutoukka.
;;;; 
;;;; Lukutoukka is free software; you can redistribute it and/or modify
;;;; it under the terms of the GNU General Public License as published by
;;;; the Free Software Foundation; either version 2 of the License, or
;;;; (at your option) any later version.
;;;; 
;;;; Lukutoukka is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;;; GNU General Public License for more details.
;;;; 
;;;; You should have received a copy of the GNU General Public License
;;;; along with Lukutoukka; if not, write to the Free Software
;;;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

(define-module (file-write-read-test)
  #:use-module (lukutoukkalib file)
  #:use-module (lukutoukkalib srfi srfi-56)
  #:use-module (unit-test)
  #:use-module (oop goops)
  #:export (create-test-suite))

(define-class <file-write-read-test> (<test-case>))

(define-method (test-write-read-no-word-file (test-case <file-write-read-test>))
  (let* ((output-string-port (open-output-string))
         (builder (create-new-file "foo" output-string-port)))
    (end-words builder)
    (let ((reader (create-file-reader 
                   (open-input-string 
                    (get-output-string output-string-port)))))
      (assert-equal #f (read-next-word reader)))))

(define-method (test-write-read-one-word-file 
                (test-case <file-write-read-test>))
  (let* ((output-string-port (open-output-string))
         (builder (create-new-file "foo" output-string-port)))
    (save-word builder "kala")
    (end-words builder)
    (let ((reader (create-file-reader
                   (open-input-string
                    (get-output-string output-string-port)))))
      (assert-equal "kala" (read-next-word reader))
      (assert-equal #f (read-next-word reader)))))

(define-method (test-write-read-two-words-file 
                (test-case <file-write-read-test>))
  (let* ((output-string-port (open-output-string))
         (builder (create-new-file "foo" output-string-port)))
    (save-word builder "kala")
    (save-word builder "hauki")
    (end-words builder)
    (let ((reader (create-file-reader
                   (open-input-string
                    (get-output-string output-string-port)))))
      (assert-equal "kala" (read-next-word reader))
      (assert-equal "hauki" (read-next-word reader))
      (assert-equal #f (read-next-word reader)))))

(define-method (test-write-read-two-words-and-pause-file 
                (test-case <file-write-read-test>))
  (let* ((output-string-port (open-output-string))
         (builder (create-new-file "foo" output-string-port)))
    (save-word builder '("kala" 2))
    (save-word builder "hauki")
    (end-words builder)
    (let ((reader (create-file-reader
                   (open-input-string
                    (get-output-string output-string-port)))))
      (assert-equal '("kala" 2) (read-next-word reader))
      (assert-equal "hauki" (read-next-word reader))
      (assert-equal #f (read-next-word reader)))))


(define (create-test-suite) 
  (let ((suite (make <test-suite> #:name "file-write-read-test-suite")))
    (add suite (make <file-write-read-test>))
    suite))