Tests for Depreciations

test.py

@@ -1,4 +1,5 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
+# -*- mode: python; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-
 
 # These are internal tests. They shouldn't fail, but they don't cover all
 # of the ALSA API. Most importantly PCM.read and PCM.write are missing.
@@ -12,13 +13,18 @@ import alsaaudio
 import warnings
 
 # we can't test read and write well - these are tested otherwise
-PCMMethods = [('pcmtype', None),
+PCMMethods = [
+	('pcmtype', None),
 	('pcmmode', None),
-              ('cardname', None),
+	('cardname', None)
+]
+
+PCMDeprecatedMethods = [
 	('setchannels', (2,)), 
 	('setrate', (44100,)),
 	('setformat', (alsaaudio.PCM_FORMAT_S8,)),
-              ('setperiodsize', (320,))]
+	('setperiodsize', (320,))
+]
 
 # A clever test would look at the Mixer capabilities and selectively run the
 # omitted tests, but I am too tired for that.
@@ -132,5 +138,22 @@ class PCMTest(unittest.TestCase):
 			assert len(w) == 1
 			assert issubclass(w[-1].category, DeprecationWarning)
 		
+		for m, a in PCMDeprecatedMethods:
+			with warnings.catch_warnings(record=True) as w:
+				# Cause all warnings to always be triggered.
+				warnings.simplefilter("always")
+
+				pcm = alsaaudio.PCM()
+
+				f = alsaaudio.PCM.__dict__[m]
+				if a is None:
+					f(pcm)
+				else:
+					f(pcm, *a)
+
+				# Verify we got a DepreciationWarning
+				assert len(w) == 1
+				assert issubclass(w[-1].category, DeprecationWarning)
+
 if __name__ == '__main__':
 	unittest.main()