;; This file is part of eris-cl.
;; Copyright (C) 2023 Piotr Szarmański

;; eris-cl is free software: you can redistribute it and/or modify it under the
;; terms of the GNU Lesser General Public License as published by the Free
;; Software Foundation, either version 3 of the License, or (at your option) any
;; later version.

;; eris-cl 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 Lesser General Public LIcense for more details.

;; You should have received a copy of the GNU Lesser General Public LIcense along with
;; eris-cl. If not, see <https://www.gnu.org/licenses/>.

(defpackage eris-sqlite/test
  (:use #:common-lisp #:eris-sqlite #:fiveam #:eris))

(in-package :eris-sqlite/test)

(def-suite eris-sqlite-tests
  :description "Root test suite for eris-sqlite.")

(in-suite eris-sqlite-tests)


(defun make-temporary-dir ()
  (let* ((tmpdir (uiop:temporary-directory))
         (tmp-tmpdir (make-pathname :directory (serapeum:append1
                                     (pathname-directory tmpdir)
                                     (ironclad:byte-array-to-hex-string (ironclad:random-data 10)))
                         :defaults tmpdir)))
    (ensure-directories-exist tmp-tmpdir)
    tmp-tmpdir))

(defun make-octets (len &key (element 0))
  (make-array len :element-type '(unsigned-byte 8) :initial-element element))


(defmacro test-file-backend (array &optional (secret null-secret))
  `(let ((tmpdir (make-temporary-dir)))
     (unwind-protect
          (let* ((backend (make-instance 'sqlite-backend
                                         :db (make-pathname :name "sqltest" :defaults tmpdir)))
                 (array ,array))
            (is (equalp (alexandria:read-stream-content-into-byte-vector
                         (fetch-data
                          (store-data array backend :secret ,secret) backend))
                        array)))
       (uiop:delete-directory-tree tmpdir :validate t))))

(test simple-file-backend-tests
  (test-file-backend (make-octets 1023 :element 1))
  (test-file-backend (make-octets 1025 :element 2))
  (test-file-backend (make-octets 16383 :element 3))
  (test-file-backend (make-octets 16384 :element 4))
  (test-file-backend (make-octets 1 :element 5))
  (test-file-backend (make-octets 16834 :element 5))
  (test-file-backend (make-octets 96000 :element 5)))


(test simple-file-backend-tests-secret
  (test-file-backend (make-octets 1023 :element 1) (crypto:random-data 32))
  (test-file-backend (make-octets 1025 :element 2)  (crypto:random-data 32))
  (test-file-backend (make-octets 16383 :element 3) (crypto:random-data 32))
  (test-file-backend (make-octets 16384 :element 4)  (crypto:random-data 32))
  (test-file-backend (make-octets 1 :element 5)  (crypto:random-data 32))
  (test-file-backend (make-octets 16834 :element 5) (crypto:random-data 32))
  (test-file-backend (make-octets 96000 :element 5)  (crypto:random-data 32)))