Create vad_test.py

tests/vad_test.py

@@ -0,0 +1,66 @@
+import pprint
+import unittest
+import numpy as np
+import sys
+
+sys.path.append('../NS_AI_LABS')
+
+from src.vad import AbstractTranscription, VadSileroTranscription
+
+class TestVad(unittest.TestCase):
+    def __init__(self, *args, **kwargs):
+        super(TestVad, self).__init__(*args, **kwargs)
+        self.transcribe_calls = []
+
+    def test_transcript(self):
+        mock = MockVadTranscription()
+
+        self.transcribe_calls.clear()
+        result = mock.transcribe("mock", lambda segment : self.transcribe_segments(segment))
+
+        self.assertListEqual(self.transcribe_calls, [ 
+            [30, 30],
+            [100, 100]
+        ])
+
+        self.assertListEqual(result['segments'],
+            [{'end': 50.0, 'start': 40.0, 'text': 'Hello world '},
+            {'end': 120.0, 'start': 110.0, 'text': 'Hello world '}]
+        )
+
+    def transcribe_segments(self, segment):
+        self.transcribe_calls.append(segment.tolist())
+
+        # Dummy text
+        return {
+            'text': "Hello world ",
+            'segments': [
+                {
+                    "start": 10.0,
+                    "end": 20.0,
+                    "text": "Hello world "
+                }   
+            ],
+            'language': ""
+        }
+
+class MockVadTranscription(AbstractTranscription):
+    def __init__(self):
+        super().__init__()
+
+    def get_audio_segment(self, str, start_time: str = None, duration: str = None):
+        start_time_seconds = float(start_time.removesuffix("s"))
+        duration_seconds = float(duration.removesuffix("s"))
+
+        # For mocking, this just returns a simple numppy array
+        return np.array([start_time_seconds, duration_seconds], dtype=np.float64)
+
+    def get_transcribe_timestamps(self, audio: str):
+        result = []
+
+        result.append( {  'start': 30, 'end': 60 } )
+        result.append( {  'start': 100, 'end': 200 } )
+        return result
+
+if __name__ == '__main__':
+    unittest.main()