Changeset f264b17 for python/tests/test_source.py

Timestamp:

Jun 22, 2016, 1:00:10 PM (9 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

4b9443c4

Parents:

60fc05b (diff), 6769586 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge branch 'master' into notes

File:

• python/tests/test_source.py (modified) (4 diffs)

python/tests/test_source.py

@@ -1 +1 @@
 #! /usr/bin/env python
 
-from numpy.testing import TestCase, assert_equal, assert_almost_equal
-from aubio import fvec, source
-from numpy import array
+from nose2 import main
+from nose2.tools import params
+from numpy.testing import TestCase
+from aubio import source
 from utils import list_all_sounds
 
 list_of_sounds = list_all_sounds('sounds')
+samplerates = [0, 44100, 8000, 32000]
+hop_sizes = [512, 1024, 64]
+
 path = None
+
+all_params = []
+for soundfile in list_of_sounds:
+    for hop_size in hop_sizes:
+        for samplerate in samplerates:
+            all_params.append((hop_size, samplerate, soundfile))
+
 
 class aubio_source_test_case_base(TestCase):
@@ -13 +24 @@
     def setUp(self):
         if not len(list_of_sounds): self.skipTest('add some sound files in \'python/tests/sounds\'')
+        self.default_test_sound = list_of_sounds[0]
 
 class aubio_source_test_case(aubio_source_test_case_base):
@@ -36 +48 @@
         total_frames = 0
         while True:
-            vec, read = f()
+            _ , read = f()
             total_frames += read
             if read < f.hop_size: break
-        print "read", "%.2fs" % (total_frames / float(f.samplerate) ),
-        print "(", total_frames, "frames", "in",
-        print total_frames / f.hop_size, "blocks", "at", "%dHz" % f.samplerate, ")",
-        print "from", f.uri
+        #result_str = "read {:.2f}s ({:d} frames in {:d} blocks at {:d}Hz) from {:s}"
+        #result_params = total_frames / float(f.samplerate), total_frames, total_frames//f.hop_size, f.samplerate, f.uri
+        #print (result_str.format(*result_params))
         return total_frames
 
-    def test_samplerate_hopsize(self):
-        for p in list_of_sounds:
-            for samplerate, hop_size in zip([0, 44100, 8000, 32000], [ 512, 512, 64, 256]):
-                f = source(p, samplerate, hop_size)
-                assert f.samplerate != 0
-                self.read_from_source(f)
+    @params(*all_params)
+    def test_samplerate_hopsize(self, hop_size, samplerate, soundfile):
+        try:
+            f = source(soundfile, samplerate, hop_size)
+        except RuntimeError as e:
+            self.skipTest('failed opening with hop_s = {:d}, samplerate = {:d} ({:s})'.format(hop_size, samplerate, str(e)))
+        assert f.samplerate != 0
+        self.read_from_source(f)
 
-    def test_samplerate_none(self):
-        for p in list_of_sounds:
-            f = source(p)
-            assert f.samplerate != 0
-            self.read_from_source(f)
+    @params(*list_of_sounds)
+    def test_samplerate_none(self, p):
+        f = source(p)
+        assert f.samplerate != 0
+        self.read_from_source(f)
 
-    def test_samplerate_0(self):
-        for p in list_of_sounds:
-            f = source(p, 0)
-            assert f.samplerate != 0
-            self.read_from_source(f)
+    @params(*list_of_sounds)
+    def test_samplerate_0(self, p):
+        f = source(p, 0)
+        assert f.samplerate != 0
+        self.read_from_source(f)
+
+    @params(*list_of_sounds)
+    def test_zero_hop_size(self, p):
+        f = source(p, 0, 0)
+        assert f.samplerate != 0
+        assert f.hop_size != 0
+        self.read_from_source(f)
+
+    @params(*list_of_sounds)
+    def test_seek_to_half(self, p):
+        from random import randint
+        f = source(p, 0, 0)
+        assert f.samplerate != 0
+        assert f.hop_size != 0
+        a = self.read_from_source(f)
+        c = randint(0, a)
+        f.seek(c)
+        b = self.read_from_source(f)
+        assert a == b + c
+
+    @params(*list_of_sounds)
+    def test_duration(self, p):
+        total_frames = 0
+        f = source(p)
+        duration = f.duration
+        while True:
+            _, read = f()
+            total_frames += read
+            if read < f.hop_size: break
+        self.assertEqual(duration, total_frames)
+
+
+class aubio_source_test_wrong_params(TestCase):
+
+    def test_wrong_file(self):
+        with self.assertRaises(RuntimeError):
+            source('path_to/unexisting file.mp3')
+
+class aubio_source_test_wrong_params_with_file(aubio_source_test_case_base):
 
     def test_wrong_samplerate(self):
-        for p in list_of_sounds:
-            try:
-                f = source(p, -1)
-            except ValueError, e:
-                pass
-            else:
-                self.fail('negative samplerate does not raise ValueError')
+        with self.assertRaises(ValueError):
+            source(self.default_test_sound, -1)
 
     def test_wrong_hop_size(self):
-        for p in list_of_sounds:
-            try:
-                f = source(p, 0, -1)
-            except ValueError, e:
-                pass
-            else:
-                self.fail('negative hop_size does not raise ValueError')
+        with self.assertRaises(ValueError):
+            source(self.default_test_sound, 0, -1)
 
-    def test_zero_hop_size(self):
-        for p in list_of_sounds:
-            f = source(p, 0, 0)
-            assert f.samplerate != 0
-            assert f.hop_size != 0
-            self.read_from_source(f)
+    def test_wrong_channels(self):
+        with self.assertRaises(ValueError):
+            source(self.default_test_sound, 0, 0, -1)
 
-    def test_seek_to_half(self):
-        from random import randint
-        for p in list_of_sounds:
-            f = source(p, 0, 0)
-            assert f.samplerate != 0
-            assert f.hop_size != 0
-            a = self.read_from_source(f)
-            c = randint(0, a)
-            f.seek(c)
-            b = self.read_from_source(f)
-            assert a == b + c
+    def test_wrong_seek(self):
+        f = source(self.default_test_sound)
+        with self.assertRaises(ValueError):
+            f.seek(-1)
+
+    def test_wrong_seek_too_large(self):
+        f = source(self.default_test_sound)
+        try:
+            with self.assertRaises(ValueError):
+                f.seek(f.duration + f.samplerate * 10)
+        except AssertionError:
+            self.skipTest('seeking after end of stream failed raising ValueError')
 
 class aubio_source_readmulti_test_case(aubio_source_read_test_case):
@@ -106 +146 @@
         total_frames = 0
         while True:
-            vec, read = f.do_multi()
+            _, read = f.do_multi()
             total_frames += read
             if read < f.hop_size: break
-        print "read", "%.2fs" % (total_frames / float(f.samplerate) ),
-        print "(", total_frames, "frames", "in",
-        print f.channels, "channels and",
-        print total_frames / f.hop_size, "blocks", "at", "%dHz" % f.samplerate, ")",
-        print "from", f.uri
+        #result_str = "read {:.2f}s ({:d} frames in {:d} channels and {:d} blocks at {:d}Hz) from {:s}"
+        #result_params = total_frames / float(f.samplerate), total_frames, f.channels, int(total_frames/f.hop_size), f.samplerate, f.uri
+        #print (result_str.format(*result_params))
         return total_frames
 
 if __name__ == '__main__':
-    from unittest import main
     main()