Add a test case

.gitignore

@@ -1,5 +1,6 @@
 .direnv
 .envrc
+.pytest_cache
 __pycache__
 cue_to_meta.egg-info
 venv

setup.cfg

@@ -8,3 +8,6 @@ install_requires = Click
 
 [options.entry_points]
 console_scripts = cue_to_meta = cue_to_meta:cli
+
+[options.extras_require]
+test = pytest

test_cue_to_meta.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+
+"""Test case for cue_to_meta."""
+
+# Copyright (c) 2023 Mark Cornick
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+import io
+
+import cue_to_meta
+
+
+def test_cue_to_meta():
+    cue_text = """PERFORMER "mcornick"
+TITLE "Luv'n Time International"
+FILE "recording.mp3" MP3
+  TRACK 01 AUDIO
+    TITLE "Track 1"
+    PERFORMER "Artist 1"
+    INDEX 01 00:00:00
+  TRACK 02 AUDIO
+    TITLE "Track 2"
+    PERFORMER "Artist 2"
+    INDEX 01 02:42:00"""
+    expected_meta = """000000:Artist 1 - Track 1
+000242:Artist 2 - Track 2
+"""
+    cue = io.StringIO(cue_text)
+    meta = io.StringIO()
+    cue_to_meta.cue_to_meta(cue, meta)
+    assert meta.getvalue() == expected_meta