add test case to test mpariente/ConvTasNet_WHAMsepcleanwrapper

tests/test_convtasnet_wrapper.py

@@ -0,0 +1,54 @@
+import os
+import pytest
+from src.input.file_reader import read_audio
+from src.separation.convtasnet_wrapper import separate
+from src.postprocessing.audio_writer import export_audio
+
+
+def test_convtasnet_separation_with_output_files():
+    """
+    Test to ensure ConvTasNet separation creates expected source audio files.
+    """
+    
+    input_audio_path = "tests/test_audio/female-female-mixture.wav"
+    output_dir = "/tmp/convtasnet"
+    model_name = "mpariente/ConvTasNet_WHAM!_sepclean"
+    
+    audio, sr = read_audio(input_audio_path)
+    
+    if not os.path.exists(output_dir):
+        os.makedirs(output_dir)
+
+    
+    separated_sources = separate(audio, model_name)
+    
+    for i, source in enumerate(separated_sources):
+        output_path = os.path.join(output_dir, f"source_{i+1}.wav")
+        export_audio(source, output_path, sr)
+
+    # Check if the output directory exists
+    assert os.path.exists(output_dir), "Output directory does not exist."
+
+    # Check if source_1.wav and source_2.wav are created
+    source_1_path = os.path.join(output_dir, "source_1.wav")
+    source_2_path = os.path.join(output_dir, "source_2.wav")
+
+    assert os.path.exists(source_1_path), "source_1.wav was not created."
+    assert os.path.exists(source_2_path), "source_2.wav was not created."
+
+    # Check if the files have content (not just created)
+    # For example, you can check if the length of the audio files is greater than a certain threshold
+    # Here, we'll just verify the files are not empty.
+    import soundfile as sf
+
+    def is_file_non_empty(file_path):
+        try:
+            data, _ = sf.read(file_path)
+            return data.size > 0
+        except Exception as e:
+            return False
+
+    assert is_file_non_empty(source_1_path), "source_1.wav is empty."
+    assert is_file_non_empty(source_2_path), "source_2.wav is empty."
+    
+    print("Test passed: source_1.wav and source_2.wav are present and non-empty.")