1 files changed, 26 insertions, 1 deletions
diff --git a/tests/test_functions_audio.py b/tests/test_functions_audio.py
index de6aa2a..35d548a 100644
--- a/tests/test_functions_audio.py
+++ b/tests/test_functions_audio.py
@@ -1,4 +1,6 @@
-import os
+"""Tests for the audio primitive."""
+
+import pytest
 
 from blc2.functions.audio import Audio
 
@@ -15,6 +17,7 @@ def test_audio(aws):
     assert a.actual_duration == 0
 
     a.filename = "tests/silence.m4a"
+    assert a.filename == "tests/silence.m4a"
     assert a.audio_scope == {"tests/silence.m4a"}
     assert a.duration == 2024
     assert a.actual_duration == 3024
@@ -34,3 +37,25 @@ def test_audio(aws):
 
     _, ac, _ = a.render(5000)
     assert not ac
+
+    with pytest.raises(ValueError):
+        _ = Audio(aws, id_=101, fade_in=-10)
+
+    assert 101 not in aws.functions
+
+    fout = a.fade_out
+    with pytest.raises(ValueError):
+        a.fade_out = -50
+    assert a.fade_out == fout
+
+    fin = a.fade_in
+    with pytest.raises(ValueError):
+        a.fade_in = -50
+    assert a.fade_in == fin
+
+    a._set_duration(10000)
+    assert a.copy_data(a.get_data()) is None
+
+    a.filename = None
+    assert a.duration == 0
+    assert a.actual_duration == 0