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#!/usr/bin/env python
#
# Copyright 2016 Free Software Foundation, Inc.
# Copyright 2021 Marcus Müller
#
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
#
from gnuradio import gr, gr_unittest, blocks
class test_logger (gr_unittest.TestCase):
def setUp(self):
pass
def tearDown(self):
pass
def set_and_assert_log_level(self, block, level, ref=None):
if ref is None:
ref = level
block.set_log_level(level)
self.assertEqual(block.log_level(), ref)
def test_log_level_for_block(self):
# Test the python API for getting and setting log levels of individual block
# go through all of the documented log_levels
ns = blocks.null_source(1)
self.set_and_assert_log_level(ns, "debug")
self.set_and_assert_log_level(ns, "info")
self.set_and_assert_log_level(ns, "notice", "info")
self.set_and_assert_log_level(ns, "warn", "warning")
self.set_and_assert_log_level(ns, "warning")
self.set_and_assert_log_level(ns, "error")
self.set_and_assert_log_level(ns, "crit", "critical")
self.set_and_assert_log_level(ns, "critical")
self.set_and_assert_log_level(ns, "alert", "critical")
self.set_and_assert_log_level(ns, "emerg", "critical")
# There's a couple of special cases. "off" == "notset" (specific to gr)
# and "fatal" == "emerg" (built in to log4cpp)
ns.set_log_level("off")
self.assertEqual(ns.log_level(), "off")
def test_log_level_for_tb(self):
# Test the python API for getting and setting log levels for a
# top_block
nsrc = blocks.null_source(4)
nsnk = blocks.null_sink(4)
# Set all log levels to a known state
nsrc.set_log_level("debug")
nsnk.set_log_level("debug")
tb = gr.top_block()
tb.connect(nsrc, nsnk)
# confirm that the tb has log_level of first block
self.assertEqual(tb.log_level(), "debug")
# confirm that changing tb log_level propagates to connected blocks
tb.set_log_level("critical")
self.assertEqual(tb.log_level(), "critical")
self.assertEqual(nsrc.log_level(), "critical")
self.assertEqual(nsnk.log_level(), "critical")
def test_log_level_for_hier_block(self):
# Test the python API for getting and setting log levels for hier
# blocks
nsrc = blocks.null_source(4)
nsnk = blocks.null_sink(4)
b = blocks.stream_to_vector_decimator(
4, 1, 1, 1) # just a random hier block that exists
tb = gr.top_block()
tb.connect(nsrc, b, nsnk)
tb.set_log_level("debug")
self.assertEqual(tb.log_level(), "debug")
self.assertEqual(nsrc.log_level(), "debug")
self.assertEqual(nsnk.log_level(), "debug")
self.assertEqual(b.one_in_n.log_level(), "debug")
tb.set_log_level("critical")
self.assertEqual(tb.log_level(), "critical")
self.assertEqual(nsrc.log_level(), "critical")
self.assertEqual(nsnk.log_level(), "critical")
self.assertEqual(b.one_in_n.log_level(), "critical")
if __name__ == '__main__':
gr_unittest.run(test_logger)
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