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#!/usr/bin/env python
#
# Copyright 2019 Free Software Foundation, Inc.
# Copyright 2023 Daniel Estevez <daniel@destevez.net>
#
# This file is part of gr-satellites
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
# This is a copy of the GNU Radio Selector block modified to consume all the
# items that are available on inactive inputs. This is required to use selector
# blocks to bypass sections of the flowgraph. See
# https://github.com/gnuradio/gnuradio/issues/6792
# for more information.
#
from gnuradio import gr, gr_unittest, blocks
class test_selector(gr_unittest.TestCase):
def setUp(self):
self.tb = gr.top_block()
def tearDown(self):
self.tb = None
def test_select_same(self):
src_data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
expected_result = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
expected_drop = ()
num_inputs = 4
num_outputs = 4
input_index = 1
output_index = 2
op = blocks.selector(gr.sizeof_char, input_index, output_index)
src = []
dst = []
for ii in range(num_inputs):
src.append(blocks.vector_source_b(src_data))
self.tb.connect(src[ii], (op, ii))
for jj in range(num_outputs):
dst.append(blocks.vector_sink_b())
self.tb.connect((op, jj), dst[jj])
self.tb.run()
dst_data = dst[output_index].data()
self.assertEqual(expected_result, dst_data)
def test_select_input(self):
num_inputs = 4
num_outputs = 4
input_index = 1
output_index = 2
op = blocks.selector(gr.sizeof_char, input_index, output_index)
src = []
dst = []
for ii in range(num_inputs):
src_data = [ii + 1] * 10
src.append(blocks.vector_source_b(src_data))
self.tb.connect(src[ii], (op, ii))
for jj in range(num_outputs):
dst.append(blocks.vector_sink_b())
self.tb.connect((op, jj), dst[jj])
self.tb.run()
expected_result = [input_index + 1] * 10
dst_data = list(dst[output_index].data())
self.assertEqual(expected_result, dst_data)
def test_dump(self):
num_inputs = 4
num_outputs = 4
input_index = 1
output_index = 2
output_not_selected = 3
op = blocks.selector(gr.sizeof_char, input_index, output_index)
src = []
dst = []
for ii in range(num_inputs):
src_data = [ii + 1] * 10
src.append(blocks.vector_source_b(src_data))
self.tb.connect(src[ii], (op, ii))
for jj in range(num_outputs):
dst.append(blocks.vector_sink_b())
self.tb.connect((op, jj), dst[jj])
self.tb.run()
expected_result = []
dst_data = list(dst[output_not_selected].data())
self.assertEqual(expected_result, dst_data)
def test_not_enabled(self):
src_data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
expected_result = []
num_inputs = 4
num_outputs = 4
input_index = 1
output_index = 2
op = blocks.selector(gr.sizeof_char, input_index, output_index)
op.set_enabled(False)
src = []
dst = []
for ii in range(num_inputs):
src.append(blocks.vector_source_b(src_data))
self.tb.connect(src[ii], (op, ii))
for jj in range(num_outputs):
dst.append(blocks.vector_sink_b())
self.tb.connect((op, jj), dst[jj])
self.tb.run()
dst_data = dst[output_index].data()
self.assertEqual(expected_result, dst_data)
# These tests cannot be run as set_index can only be called after
# check_topology is called
# def test_set_indices(self):
# num_inputs = 4; num_outputs = 4
# input_index = 1; output_index = 2
# op = blocks.selector(gr.sizeof_char, 0, 0)
# src = []
# dst = []
# for ii in range(num_inputs):
# src_data = [ii+1]*10
# src.append( blocks.vector_source_b(src_data))
# self.tb.connect(src[ii], (op,ii))
# for jj in range(num_outputs):
# dst.append(blocks.vector_sink_b())
# self.tb.connect((op,jj),dst[jj])
# op.set_input_index(input_index)
# op.set_output_index(output_index)
# self.tb.run()
# expected_result = [input_index+1]*10
# dst_data = list(dst[output_index].data())
# self.assertEqual(expected_result, dst_data)
# def test_dont_set_indices(self):
# num_inputs = 4; num_outputs = 4
# input_index = 1; output_index = 2
# op = blocks.selector(gr.sizeof_char, 0, 0)
# #op.set_input_index(input_index)
# #op.set_output_index(output_index)
# src = []
# dst = []
# for ii in range(num_inputs):
# src_data = [ii+1]*10
# src.append( blocks.vector_source_b(src_data))
# self.tb.connect(src[ii], (op,ii))
# for jj in range(num_outputs):
# dst.append(blocks.vector_sink_b())
# self.tb.connect((op,jj),dst[jj])
# self.tb.run()
# expected_result = [input_index+1]*10
# dst_data = list(dst[output_index].data())
# self.assertNotEqual(expected_result, dst_data)
def test_float_vector(self):
num_inputs = 4
num_outputs = 4
input_index = 1
output_index = 2
veclen = 3
op = blocks.selector(
gr.sizeof_float * veclen,
input_index,
output_index)
src = []
dst = []
for ii in range(num_inputs):
src_data = [float(ii) + 1] * 10 * veclen
src.append(
blocks.vector_source_f(
src_data,
repeat=False,
vlen=veclen))
self.tb.connect(src[ii], (op, ii))
for jj in range(num_outputs):
dst.append(blocks.vector_sink_f(vlen=veclen))
self.tb.connect((op, jj), dst[jj])
self.tb.run()
expected_result = [float(input_index) + 1] * 10 * veclen
dst_data = list(dst[output_index].data())
self.assertEqual(expected_result, dst_data)
if __name__ == '__main__':
gr_unittest.run(test_selector)
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