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#!/usr/bin/env python
import os
from gnuradio import gr, gr_unittest
from gnuradio import blocks
import gnuradio.dab as grdab
class qa_concatenate_signals(gr_unittest.TestCase):
"""
@brief QA for signal concatenation block.
This class implements a test bench to verify the corresponding C++ class.
"""
def setUp(self):
self.tb = gr.top_block()
os.environ['GR_SCHEDULER'] = "STS" # need single threaded scheduler for use with concatenate_signals
def tearDown(self):
self.tb = None
def test_001_concatenate_signals(self):
src_data0 = [1j,2j,3j,4j,5j]
src_data1 = [6j,7j,8j]
src_data2 = [9j,10j,11j,12j,13j,14j]
expected_result = src_data0 + src_data1 + src_data2
src0 = blocks.vector_source_c(src_data0)
src1 = blocks.vector_source_c(src_data1)
src2 = blocks.vector_source_c(src_data2)
concatenate_signals = grdab.concatenate_signals(gr.sizeof_gr_complex)
dst = blocks.vector_sink_c()
self.tb.connect(src0, (concatenate_signals,0))
self.tb.connect(src1, (concatenate_signals,1))
self.tb.connect(src2, (concatenate_signals,2))
self.tb.connect(concatenate_signals, dst)
self.tb.run()
result_data = dst.data()
self.assertComplexTuplesAlmostEqual(expected_result, result_data, 6)
def test_002_concatenate_signals(self):
src_data0 = [6j]
src_data1 = [1j,2j,3j,4j,5j]*3000
src_data2 = [7j]
src_data3 = [8j,9j,10j,11j]*3000
expected_result = src_data0 + src_data1 + src_data2 + src_data3
src0 = blocks.vector_source_c(src_data0)
src1 = blocks.vector_source_c(src_data1)
src2 = blocks.vector_source_c(src_data2)
src3 = blocks.vector_source_c(src_data3)
concatenate_signals = grdab.concatenate_signals(gr.sizeof_gr_complex)
dst = blocks.vector_sink_c()
self.tb.connect(src0, (concatenate_signals,0))
self.tb.connect(src1, (concatenate_signals,1))
self.tb.connect(src2, (concatenate_signals,2))
self.tb.connect(src3, (concatenate_signals,3))
self.tb.connect(concatenate_signals, dst)
self.tb.run()
result_data = dst.data()
self.assertComplexTuplesAlmostEqual(expected_result, result_data, 6)
def test_003_concatenate_signals(self):
src_data0 = [6]
src_data1 = [1,2,3,4,5]
src_data2 = [7]
src_data3 = [8,9,10,11]
expected_result = src_data0 + src_data1 + src_data2 + src_data3
src0 = blocks.vector_source_b(src_data0)
src1 = blocks.vector_source_b(src_data1)
src2 = blocks.vector_source_b(src_data2)
src3 = blocks.vector_source_b(src_data3)
concatenate_signals = grdab.concatenate_signals(gr.sizeof_char)
dst = blocks.vector_sink_b()
self.tb.connect(src0, (concatenate_signals,0))
self.tb.connect(src1, (concatenate_signals,1))
self.tb.connect(src2, (concatenate_signals,2))
self.tb.connect(src3, (concatenate_signals,3))
self.tb.connect(concatenate_signals, dst)
self.tb.run()
result_data = list(dst.data())
self.assertEqual(expected_result, result_data)
if __name__ == '__main__':
gr_unittest.main()
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