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# Copyright (c) 2016, Google Inc.
#
# SPDX-License-Identifier: GPL-2.0+
#
# U-Boot Verified Boot Test
"""
This tests U-Boot logging. It uses the 'log test' command with various options
and checks that the output is correct.
"""
import pytest
LOGL_FIRST, LOGL_WARNING, LOGL_INFO = (0, 4, 6)
@pytest.mark.buildconfigspec('log')
def test_log(u_boot_console):
"""Test that U-Boot logging works correctly."""
def check_log_entries(lines, mask, max_level=LOGL_INFO):
"""Check that the expected log records appear in the output
Args:
lines: iterator containing lines to check
mask: bit mask to select which lines to check for:
bit 0: standard log line
bit 1: _log line
max_level: maximum log level to expect in the output
"""
for i in range(max_level):
if mask & 1:
assert 'log %d' % i == lines.next()
if mask & 3:
assert '_log %d' % i == lines.next()
def run_test(testnum):
"""Run a particular test number (the 'log test' command)
Args:
testnum: Test number to run
Returns:
iterator containing the lines output from the command
"""
with cons.log.section('basic'):
output = u_boot_console.run_command('log test %d' % testnum)
split = output.replace('\r', '').splitlines()
lines = iter(split)
assert 'test %d' % testnum == lines.next()
return lines
def test0():
lines = run_test(0)
check_log_entries(lines, 3)
def test1():
lines = run_test(1)
check_log_entries(lines, 3)
def test2():
lines = run_test(2)
def test3():
lines = run_test(3)
check_log_entries(lines, 2)
def test4():
lines = run_test(4)
assert next(lines, None) == None
def test5():
lines = run_test(5)
check_log_entries(lines, 2)
def test6():
lines = run_test(6)
check_log_entries(lines, 3)
def test7():
lines = run_test(7)
check_log_entries(lines, 3, LOGL_WARNING)
def test8():
lines = run_test(8)
check_log_entries(lines, 3)
def test9():
lines = run_test(9)
check_log_entries(lines, 3)
# TODO(sjg@chromium.org): Consider structuring this as separate tests
cons = u_boot_console
test0()
test1()
test2()
test3()
test4()
test5()
test6()
test7()
test8()
test9()