| 1 | ;;; emms-info-native-flac-tests.el --- Test suite for emms-info-native-flac -*- lexical-binding: t; -*- |
| 2 | |
| 3 | ;; Copyright (C) 2023 Free Software Foundation, Inc. |
| 4 | |
| 5 | ;; Author: Petteri Hintsanen <petterih@iki.fi> |
| 6 | |
| 7 | ;; This file is part of EMMS. |
| 8 | |
| 9 | ;; EMMS is free software; you can redistribute it and/or modify it |
| 10 | ;; under the terms of the GNU General Public License as published by |
| 11 | ;; the Free Software Foundation; either version 3, or (at your option) |
| 12 | ;; any later version. |
| 13 | |
| 14 | ;; EMMS is distributed in the hope that it will be useful, but WITHOUT |
| 15 | ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 16 | ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| 17 | ;; License for more details. |
| 18 | |
| 19 | ;; You should have received a copy of the GNU General Public License |
| 20 | ;; along with EMMS; see the file COPYING. If not, write to the Free |
| 21 | ;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
| 22 | ;; MA 02110-1301, USA. |
| 23 | |
| 24 | ;;; Code: |
| 25 | |
| 26 | (require 'emms-info-native-flac) |
| 27 | (require 'ert) |
| 28 | |
| 29 | (defmacro emms-test-flac-make-data-func (name bytes) |
| 30 | "Macro for defining test data generator. |
| 31 | This macro defines a suitable function with NAME that outputs |
| 32 | BYTES after FLAC signature. The function NAME can then be passed |
| 33 | for `emms-info-native-flac--decode-meta-blocks'." |
| 34 | `(defun ,name (offset end) |
| 35 | (let ((bytes (concat "fLaC" ,bytes))) |
| 36 | (erase-buffer) |
| 37 | (insert (substring bytes offset end))))) |
| 38 | |
| 39 | (emms-test-flac-make-data-func emms-test-invalid-flac-block-length "\x01\xff\xff\xff\x00\x01\x02\x03") |
| 40 | (emms-test-flac-make-data-func emms-test-invalid-flac-block-type "\x09\x00\x00\x00\x00\x01\x02\x03") |
| 41 | (emms-test-flac-make-data-func emms-test-valid-flac-block "\x00\x00\x00\x08\x10\x11\x12\x13\x14\x15\x16\x17\x84\x00\x00\x04\x01\x02\x03\x04") |
| 42 | |
| 43 | (ert-deftest emms-test-flac-meta-blocks () |
| 44 | (should-error (emms-info-native-flac--decode-meta-blocks |
| 45 | #'emms-test-invalid-flac-block-length)) |
| 46 | (should-error (emms-info-native-flac--decode-meta-blocks |
| 47 | #'emms-test-invalid-flac-block-type)) |
| 48 | (should (equal (emms-info-native-flac--decode-meta-blocks |
| 49 | #'emms-test-valid-flac-block) |
| 50 | (list "\x01\x02\x03\x04" |
| 51 | "\x10\x11\x12\x13\x14\x15\x16\x17")))) |
| 52 | |
| 53 | (ert-deftest emms-test-flac-decode-duration () |
| 54 | ;; The corresponding sample metadata bytes are [10 196 66 240 1 8 36 0]. |
| 55 | (should (= (emms-info-native-flac--decode-duration 775818634391462912) 392))) |
| 56 | |
| 57 | ;;; emms-info-native-flac-tests.el ends here |