Changeset 51b5f9c for python/tests

Timestamp:

Dec 23, 2018, 5:50:07 AM (6 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/timestretch, fix/ffmpeg5, master

Children:

b4445fb

Parents:

cd46892

Message:

[tests] check resampling a source raises a warning when expected

File:

• python/tests/test_source.py (modified) (3 diffs)

python/tests/test_source.py

@@ -4 +4 @@
 from numpy.testing import TestCase, assert_equal
 from aubio import source
-from utils import list_all_sounds
+from utils import list_all_sounds, parse_file_samplerate
 import unittest
-from _tools import parametrize, assert_raises, assert_equal, skipTest
+from _tools import assert_raises, assert_equal, assert_warns
+from _tools import parametrize, skipTest
 
 list_of_sounds = list_all_sounds('sounds')
@@ -23 +24 @@
 
 _debug = False
+
 
 class Test_aubio_source_test_case(TestCase):
@@ -75 +77 @@
     @parametrize('hop_size, samplerate, soundfile', all_params)
     def test_samplerate_hopsize(self, hop_size, samplerate, soundfile):
+        orig_samplerate = parse_file_samplerate(soundfile)
         try:
-            f = source(soundfile, samplerate, hop_size)
+            if orig_samplerate is not None and orig_samplerate < samplerate:
+                # upsampling should emit a warning
+                with assert_warns(UserWarning):
+                    f = source(soundfile, samplerate, hop_size)
+            else:
+                f = source(soundfile, samplerate, hop_size)
         except RuntimeError as e:
             err_msg = 'failed opening with hop_s={:d}, samplerate={:d} ({:s})'