xref: /openbmc/u-boot/test/py/tests/test_log.py (revision 48263504) 
1# Copyright (c) 2016, Google Inc.
2#
3# SPDX-License-Identifier:      GPL-2.0+
4#
5# U-Boot Verified Boot Test
6
7"""
8This tests U-Boot logging. It uses the 'log test' command with various options
9and checks that the output is correct.
10"""
11
12import pytest
13
14LOGL_FIRST, LOGL_WARNING, LOGL_INFO = (0, 4, 6)
15
16@pytest.mark.buildconfigspec('log')
17def test_log(u_boot_console):
18    """Test that U-Boot logging works correctly."""
19    def check_log_entries(lines, mask, max_level=LOGL_INFO):
20        """Check that the expected log records appear in the output
21
22        Args:
23            lines: iterator containing lines to check
24            mask: bit mask to select which lines to check for:
25                bit 0: standard log line
26                bit 1: _log line
27            max_level: maximum log level to expect in the output
28        """
29        for i in range(max_level):
30            if mask & 1:
31                assert 'log %d' % i == lines.next()
32            if mask & 3:
33                assert '_log %d' % i == lines.next()
34
35    def run_test(testnum):
36        """Run a particular test number (the 'log test' command)
37
38        Args:
39            testnum: Test number to run
40        Returns:
41            iterator containing the lines output from the command
42        """
43
44        with cons.log.section('basic'):
45           output = u_boot_console.run_command('log test %d' % testnum)
46        split = output.replace('\r', '').splitlines()
47        lines = iter(split)
48        assert 'test %d' % testnum == lines.next()
49        return lines
50
51    def test0():
52        lines = run_test(0)
53        check_log_entries(lines, 3)
54
55    def test1():
56        lines = run_test(1)
57        check_log_entries(lines, 3)
58
59    def test2():
60        lines = run_test(2)
61
62    def test3():
63        lines = run_test(3)
64        check_log_entries(lines, 2)
65
66    def test4():
67        lines = run_test(4)
68        assert next(lines, None) == None
69
70    def test5():
71        lines = run_test(5)
72        check_log_entries(lines, 2)
73
74    def test6():
75        lines = run_test(6)
76        check_log_entries(lines, 3)
77
78    def test7():
79        lines = run_test(7)
80        check_log_entries(lines, 3, LOGL_WARNING)
81
82    def test8():
83        lines = run_test(8)
84        check_log_entries(lines, 3)
85
86    def test9():
87        lines = run_test(9)
88        check_log_entries(lines, 3)
89
90    # TODO(sjg@chromium.org): Consider structuring this as separate tests
91    cons = u_boot_console
92    test0()
93    test1()
94    test2()
95    test3()
96    test4()
97    test5()
98    test6()
99    test7()
100    test8()
101    test9()
102