diff --git a/tests/test_parsers.py b/tests/test_parsers.py
new file mode 100644
index 0000000..960d336
--- /dev/null
+++ b/tests/test_parsers.py
@@ -0,0 +1,109 @@
+#!/usr/bin/env python
+# -*- coding: UTF-8 -*-
+
+"""Contains test cases for the parsers module."""
+
+from __future__ import unicode_literals
+
+import sys
+import os.path
+import unittest
+
+PATH = os.path.realpath(os.path.abspath(__file__))
+sys.path.insert(0, os.path.dirname(os.path.dirname(PATH)))
+
+try:
+    from youtube_dl_gui.parsers import OptionsParser
+except ImportError as error:
+    print error
+    sys.exit(1)
+
+
+class TestParse(unittest.TestCase):
+
+    """Test case for OptionsParser parse method."""
+
+    def test_parse_to_audio_requirement_bug(self):
+        """Test case for the 'to_audio' requirement."""
+
+        options_dict = {  # Extracted from youtube-dlG settings.json
+            'keep_video': False,
+            'opts_win_size': (640, 490),
+            'open_dl_dir': False,
+            'second_video_format': '0',
+            'native_hls': False,
+            'write_subs': False,
+            'workers_number': 3,
+            'max_downloads': 0,
+            'max_filesize': 0,
+            'youtube_dl_debug': False,
+            'shutdown': False,
+            'selected_format': 'mp3',
+            'write_all_subs': False,
+            'enable_log': True,
+            'embed_thumbnail': True,
+            'audio_quality': '9',
+            'subs_lang': 'en',
+            'audio_format': 'mp3',
+            'restrict_filenames': False,
+            'min_filesize_unit': '',
+            'selected_audio_formats': ['mp3', 'm4a', 'vorbis'],
+            'selected_video_formats': ['webm', 'mp4'],
+            'save_path': '/home/user/Workplace/test/youtube',
+            'output_template': '%(uploader)s/%(title)s.%(ext)s',
+            'show_completion_popup': True,
+            'locale_name': 'en_US',
+            'to_audio': False,
+            'confirm_deletion': True,
+            'min_filesize': 0,
+            'save_path_dirs': ['/home/user/Downloads', '/home/user/Desktop', '/home/user/Videos', '/home/user/Music', '/home/user/Workplace/test/youtube'],
+            'sudo_password': '',
+            'video_password': '',
+            'output_format': 1,
+            'embed_subs': False,
+            'write_auto_subs': False,
+            'video_format': '0',
+            'confirm_exit': False,
+            'referer': '',
+            'proxy': '',
+            'add_metadata': False,
+            'ignore_errors': False,
+            'log_time': True,
+            'password': '',
+            'playlist_end': 0,
+            'write_description': False,
+            'retries': 10,
+            'cmd_args': '',
+            'write_thumbnail': False,
+            'playlist_start': 1,
+            'nomtime': False,
+            'write_info': False,
+            'username': '',
+            'main_win_size': (930, 560),
+            'user_agent': '',
+            'max_filesize_unit': '',
+            'ignore_config': False,
+            'youtubedl_path': '/home/user/.config/youtube-dlg'
+        }
+
+        expected_cmd_list = ["--newline",
+                             "-x",
+                             "--audio-format",
+                             "mp3",
+                             "--embed-thumbnail",
+                             "--audio-quality",
+                             "9",
+                             "-o",
+                             "/home/user/Workplace/test/youtube/%(title)s.%(ext)s"]
+
+        options_parser = OptionsParser()
+
+        self.assertItemsEqual(options_parser.parse(options_dict), expected_cmd_list)
+
+
+def main():
+    unittest.main()
+
+
+if __name__ == '__main__':
+    main()