Add test for probe_signal blocks.

1 files changed, 67 insertions, 0 deletions

diff --git a/gnuradio-core/src/python/gnuradio/gr/qa_probe_signal.py b/gnuradio-core/src/python/gnuradio/gr/qa_probe_signal.py
new file mode 100644
index 000000000..ed0756f5b
--- /dev/null
+++ b/gnuradio-core/src/python/gnuradio/gr/qa_probe_signal.py
@@ -0,0 +1,67 @@
+#!/usr/bin/env python
+#
+# Copyright 2012 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.
+# 
+
+import time
+
+from gnuradio import gr, gr_unittest
+
+class test_probe_signal (gr_unittest.TestCase):
+
+    def setUp (self):
+        self.tb = gr.top_block()
+
+    def tearDown (self):
+        self.tb = None
+
+    def test_001(self):
+        
+        value = 12.3
+        repeats = 100
+        src_data = [value] * repeats
+
+        src = gr.vector_source_f(src_data)
+        dst = gr.probe_signal_f()
+
+        self.tb.connect(src, dst)
+        self.tb.run()
+        output = dst.level()
+        self.assertAlmostEqual(value, output, places=6)
+
+    def test_002(self):
+
+        vector_length = 10
+        repeats = 10
+        value = [0.5+i for i in range(0, vector_length)]
+        src_data = value * repeats
+        
+        src = gr.vector_source_f(src_data)
+        s2v = gr.stream_to_vector(gr.sizeof_float, vector_length)
+        dst = gr.probe_signal_vf(vector_length)
+
+        self.tb.connect(src, s2v, dst)
+        self.tb.run()
+        output = dst.level()
+        self.assertEqual(len(output), vector_length)
+        self.assertAlmostEqual(value[3], output[3], places=6)
+
+if __name__ == '__main__':
+    gr_unittest.run(test_probe_signal, "test_probe_signal.xml")