Merge branch 'dfsg-orig'

[debian/gnuradio] / gnuradio-core / src / python / gnuradio / gr / qa_wavefile.py

diff --git a/gnuradio-core/src/python/gnuradio/gr/qa_wavefile.py b/gnuradio-core/src/python/gnuradio/gr/qa_wavefile.py
new file mode 100755 (executable)
index 0000000..3ba5dfb
--- /dev/null
+++ b/gnuradio-core/src/python/gnuradio/gr/qa_wavefile.py
@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+#
+# Copyright 2008 Free Software Foundation, Inc.
+# 
+# This file is part of GNU Radio
+# 
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+# 
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+# 
+
+from gnuradio import gr, gr_unittest
+
+import os
+from os.path import getsize
+
+g_in_file = os.path.join (os.getenv ("srcdir"), "test_16bit_1chunk.wav")
+
+class qa_wavefile(gr_unittest.TestCase):
+
+    def setUp (self):
+        self.tb = gr.top_block ()
+
+    def tearDown (self):
+        self.tb = None
+
+    def test_001_checkwavread (self):
+       wf = gr.wavfile_source(g_in_file)
+       self.assertEqual(wf.sample_rate(), 8000)
+
+    def test_002_checkwavcopy (self):
+       infile  = g_in_file
+       outfile = "test_out.wav"
+
+       wf_in  = gr.wavfile_source(infile)
+       wf_out = gr.wavfile_sink(outfile,
+                                wf_in.channels(),
+                                wf_in.sample_rate(),
+                                wf_in.bits_per_sample())
+       self.tb.connect(wf_in, wf_out)
+       self.tb.run()
+       wf_out.close()
+
+       self.assertEqual(getsize(infile), getsize(outfile))
+
+       in_f  = file(infile,  'rb')
+       out_f = file(outfile, 'rb')
+
+       in_data  = in_f.read()
+       out_data = out_f.read()
+        out_f.close()
+       os.remove(outfile)
+       
+       self.assertEqual(in_data, out_data)
+
+
+if __name__ == '__main__':
+    gr_unittest.main ()