added first tests for peakpicker

diff --git a/tests/python/src/onset/peakpick.py b/tests/python/src/onset/peakpick.py
new file mode 100644 (file)
index 0000000..51a7abf
--- /dev/null
+++ b/tests/python/src/onset/peakpick.py
@@ -0,0 +1,77 @@
+from template import aubio_unit_template
+
+from aubio.aubiowrapper import *
+
+buf_size = 7 
+channels = 1
+
+class peakpick_unit(aubio_unit_template):
+
+  def setUp(self):
+    self.o = new_aubio_peakpicker(0.1)
+    pass
+
+  def tearDown(self):
+    del_aubio_peakpicker(self.o)
+    pass
+
+  def test_peakpick(self):
+    """ create and delete peakpick """
+    pass
+
+  def test_peakpick_zeroes(self):
+    """ check peakpick run on a vector full of zero returns no peak. """
+    self.assertEqual(0., aubio_peakpick_pimrt_getval(self.o))
+
+  def test_peakpick_impulse(self):
+    """ check peakpick detects a single impulse as a peak. """
+    """ check two consecutive peaks are detected as one. """
+    #print 
+    for index in range(0,buf_size-1):
+      input = new_fvec(buf_size, channels)
+      fvec_write_sample(input, 1000., 0, index)
+      fvec_write_sample(input, 1000./2, 0, index+1)
+      #print "%2s" % index, aubio_peakpick_pimrt(input, self.o), "|",
+      #for i in range(buf_size): print fvec_read_sample(input, 0, i),
+      #print
+      del_fvec(input)
+
+  def test_peakpick_consecutive_peaks(self):
+    """ check two consecutive peaks are detected as one. """
+    #print 
+    for index in range(0,buf_size-4):
+      input = new_fvec(buf_size, channels)
+      fvec_write_sample(input, 1000./2, 0, index)
+      fvec_write_sample(input, 1000., 0, index+1)
+      fvec_write_sample(input, 1000., 0, index+3)
+      fvec_write_sample(input, 1000./2, 0, index+4)
+      peak_pick_result = aubio_peakpick_pimrt(input, self.o)
+      if index == 2: self.assertEqual(1., peak_pick_result)
+      else: self.assertEqual(0., peak_pick_result)
+      #print "%2s" % index, peak_pick_result, "|",
+      #for i in range(buf_size): print fvec_read_sample(input, 0, i),
+      #print
+      del_fvec(input)
+    for index in range(buf_size-4,buf_size-1):
+      input = new_fvec(buf_size, channels)
+      fvec_write_sample(input, 1000./2, 0, index)
+      fvec_write_sample(input, 1000., 0, index+1)
+      #print "%2s" % index, aubio_peakpick_pimrt(input, self.o), "|",
+      #for i in range(buf_size): print fvec_read_sample(input, 0, i),
+      #print
+      del_fvec(input)
+
+  def test_peakpick_set_threshold(self):
+    """ test aubio_peakpicker_set_threshold """
+    new_threshold = 0.1
+    aubio_peakpicker_set_threshold(self.o, new_threshold)
+    self.assertCloseEnough(new_threshold, aubio_peakpicker_get_threshold(self.o))
+
+  def test_peakpick_get_threshold(self):
+    """ test aubio_peakpicker_get_threshold """
+    new_threshold = aubio_peakpicker_get_threshold(self.o) 
+    aubio_peakpicker_set_threshold(self.o, new_threshold)
+    self.assertCloseEnough(new_threshold, aubio_peakpicker_get_threshold(self.o))
+
+if __name__ == '__main__':
+  unittest.main()