#!/usr/bin/env python # # Copyright 2013 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, blocks import os class test_file_source_sink(gr_unittest.TestCase): def setUp (self): os.environ['GR_CONF_CONTROLPORT_ON'] = 'False' self.tb = gr.top_block () def tearDown (self): self.tb = None def test_001(self): src_data = range(1000) expected_result = range(1000) filename = "tmp.32f" src = blocks.vector_source_f(src_data) snk = blocks.file_sink(gr.sizeof_float, filename) snk.set_unbuffered(True) src2 = blocks.file_source(gr.sizeof_float, filename) snk2 = blocks.vector_sink_f() self.tb.connect(src, snk) self.tb.run() self.tb.disconnect(src, snk) self.tb.connect(src2, snk2) self.tb.run() os.remove(filename) result_data = snk2.data() self.assertFloatTuplesAlmostEqual(expected_result, result_data) def test_descriptor_001(self): src_data = range(1000) expected_result = range(1000) filename = "tmp.32f" fhandle0 = open(filename, "wb") fd0 = fhandle0.fileno() src = blocks.vector_source_f(src_data) snk = blocks.file_descriptor_sink(gr.sizeof_float, fd0) self.tb.connect(src, snk) self.tb.run() os.fsync(fd0) fhandle0.close() fhandle1 = open(filename, "rb") fd1 = fhandle1.fileno() src2 = blocks.file_descriptor_source(gr.sizeof_float, fd1, False) snk2 = blocks.vector_sink_f() self.tb.disconnect(src, snk) self.tb.connect(src2, snk2) self.tb.run() os.fsync(fd1) fhandle1.close() os.remove(filename) result_data = snk2.data() self.assertFloatTuplesAlmostEqual(expected_result, result_data) if __name__ == '__main__': gr_unittest.run(test_file_source_sink, "test_file_source_sink.xml")