fix: normalize ambience loudness for v0.2.5

tests/python/test_ambience_audio.py

@@ -71,7 +71,7 @@ class AmbienceConversion(unittest.TestCase):
             self.assertEqual(actual["conversion"]["seekMethod"], "full decode then sample trim")
             expected["conversion"]["seekMethod"] = actual["conversion"]["seekMethod"]
             self.assertEqual(actual, expected)
-            self.assertEqual(len(calls), 2)
+            self.assertEqual(len(calls), 5)
             self.assertLess(calls[0].index("-ss"), calls[0].index("-i"))
             self.assertNotIn("-ss", calls[1])
             self.assertIn("aresample=24000,atrim=start_sample=24000:end_sample=312000,asetpts=N/SR/TB", calls[1])
@@ -286,6 +286,31 @@ class AtomicPublication(unittest.TestCase):
                     with self.assertRaises(ValueError): self.run_generate()
                 self.assert_prior()
 
+    def test_real_loudness_measurement_failure_preserves_prior_directory(self):
+        """최종 실측 FFmpeg만 실패시켜 원자 교환 전 실패 전파를 확인한다."""
+        import subprocess
+        from unittest.mock import patch
+        run = subprocess.run
+        def fail_measurement(command, **kwargs):
+            if any("ebur128=" in str(arg) for arg in command):
+                raise subprocess.CalledProcessError(1, command, stderr=b"injected measurement failure")
+            return run(command, **kwargs)
+        with patch.object(audio.subprocess, "run", side_effect=fail_measurement):
+            with self.assertRaises(subprocess.CalledProcessError): self.run_generate()
+        self.assert_prior()
+
+    def test_actual_target_or_true_peak_violation_preserves_prior_directory(self):
+        """manifest가 정상이라고 주장해도 별도 실측 위반은 공개하지 않는다."""
+        from unittest.mock import patch
+        for metric, value in (("integratedLUFS", -34.0), ("truePeakDBTP", -5.0), ("integratedLUFS", float("nan"))):
+            with self.subTest(metric=metric):
+                stats = {"integratedLUFS": -32.5, "truePeakDBTP": -7.0,
+                         "loudnessRangeLU": 1.0, "thresholdLUFS": -42.5}
+                stats[metric] = value
+                with patch.object(audio, "measure_loudness", return_value=stats, create=True):
+                    with self.assertRaises(ValueError): self.run_generate()
+                self.assert_prior()
+
     def test_exchange_failure_preserves_prior_directory(self):
         from unittest.mock import patch
         import ctypes