adding unit tests of streamer

test/conftest.py

@@ -8,3 +8,9 @@ def mock_env(monkeypatch):
     fixtures = Path(__file__).parent / 'fixtures'
     monkeypatch.setenv('CROAKER_ROOT', str(fixtures))
     monkeypatch.setenv('MEDIA_GLOB', '*.mp3,*.foo,*.bar')
+    monkeypatch.setenv('ICECAST_URL', 'http://127.0.0.1')
+    monkeypatch.setenv('ICECAST_HOST', 'localhost')
+    monkeypatch.setenv('ICECAST_MOUNT', 'mount')
+    monkeypatch.setenv('ICECAST_PORT', '6523')
+    monkeypatch.setenv('ICECAST_PASSWORD', 'password')
+    monkeypatch.setenv('DEBUG', '1')

test/fixtures/playlists/test_playlist/_theme.mp3

@@ -0,0 +1 @@
+_theme.mp3

test/fixtures/playlists/test_playlist/one.mp3

@@ -0,0 +1 @@
+one.mp3

test/fixtures/playlists/test_playlist/two.mp3

@@ -0,0 +1 @@
+two.mp3