1 files changed, 83 insertions, 6 deletions
diff --git a/tests/test_synthesis.py b/tests/test_synthesis.py
index 794b047..8c592a5 100644
--- a/tests/test_synthesis.py
+++ b/tests/test_synthesis.py
@@ -1,4 +1,5 @@
 import os
+import json
 import numpy as np
 from nose.tools import assert_almost_equals
 import simpl
@@ -6,27 +7,103 @@ import simpl.peak_detection as peak_detection
 import simpl.partial_tracking as partial_tracking
 import simpl.synthesis as synthesis
 
-float_precision = 5
+float_precision = 2
 frame_size = 512
 hop_size = 512
+max_peaks = 10
+max_partials = 10
+num_frames = 30
+num_samples = num_frames * hop_size
 audio_path = os.path.join(
     os.path.dirname(__file__), 'audio/flute.wav'
 )
+libsms_test_data_path = os.path.join(
+    os.path.dirname(__file__), 'libsms_test_data.json'
+)
+libsms_harmonic_synthesis_path = os.path.join(
+    os.path.dirname(__file__), 'libsms_harmonic_synthesis.wav'
+)
+
+PeakDetection = peak_detection.PeakDetection
+SMSPeakDetection = peak_detection.SMSPeakDetection
+PartialTracking = partial_tracking.PartialTracking
+SMSPartialTracking = partial_tracking.SMSPartialTracking
+Synthesis = synthesis.Synthesis
+SMSSynthesis = synthesis.SMSSynthesis
+
+
+def _load_libsms_test_data():
+    test_data = None
+    with open(libsms_test_data_path, 'r') as f:
+        test_data = json.loads(f.read())
+    return test_data
 
 
 class TestSynthesis(object):
     @classmethod
     def setup_class(cls):
         cls.audio = simpl.read_wav(audio_path)[0]
+        cls.audio = cls.audio[0:num_samples]
+
+    def test_basic(self):
+        pd = PeakDetection()
+        pd.hop_size = hop_size
+        frames = pd.find_peaks(self.audio)
+
+        pt = PartialTracking()
+        pt.max_partials = max_partials
+        frames = pt.find_partials(frames)
+
+        s = Synthesis()
+        s.hop_size = hop_size
+        synth_audio = s.synth(frames)
+
+        assert len(synth_audio) == len(self.audio)
+
+
+class TestSMSSynthesis(object):
+    @classmethod
+    def setup_class(cls):
+        cls.audio = simpl.read_wav(audio_path)[0]
+        cls.audio = cls.audio[0:num_samples]
+        cls.test_data = _load_libsms_test_data()
 
-    def test_synthesis(self):
-        pd = peak_detection.PeakDetection()
+    def test_basic(self):
+        pd = SMSPeakDetection()
+        pd.hop_size = hop_size
         frames = pd.find_peaks(self.audio)
 
-        pt = partial_tracking.PartialTracking()
+        pt = SMSPartialTracking()
+        pt.max_partials = max_partials
         frames = pt.find_partials(frames)
 
-        s = synthesis.Synthesis()
+        s = SMSSynthesis()
+        s.hop_size = hop_size
         synth_audio = s.synth(frames)
 
-        assert len(synth_audio)
+        assert len(synth_audio) == len(self.audio)
+
+    def test_harmonic_synthesis(self):
+        pd = SMSPeakDetection()
+        pd.hop_size = hop_size
+        frames = pd.find_peaks(self.audio)
+
+        pt = SMSPartialTracking()
+        pt.max_partials = max_partials
+        frames = pt.find_partials(frames)
+
+        synth = SMSSynthesis()
+        synth.hop_size = hop_size
+        synth.det_synthesis_type = SMSSynthesis.SMS_DET_IFFT
+        synth_audio = synth.synth(frames)
+
+        assert len(synth_audio) == len(self.audio)
+
+        sms_audio, sampling_rate = simpl.read_wav(
+            libsms_harmonic_synthesis_path
+        )
+
+        assert len(synth_audio) == len(sms_audio)
+
+        for i in range(len(synth_audio)):
+            assert_almost_equals(synth_audio[i], sms_audio[i], float_precision)