1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
# Copyright (c) 2015-2016, NVIDIA CORPORATION. All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0
# Test operation of the "if" shell command.
import os
import os.path
import pytest
# The list of "if test" conditions to test.
subtests = (
# Base if functionality.
('true', True),
('false', False),
# Basic operators.
('test aaa = aaa', True),
('test aaa = bbb', False),
('test aaa != bbb', True),
('test aaa != aaa', False),
('test aaa < bbb', True),
('test bbb < aaa', False),
('test bbb > aaa', True),
('test aaa > bbb', False),
('test 123 -eq 123', True),
('test 123 -eq 456', False),
('test 123 -ne 456', True),
('test 123 -ne 123', False),
('test 123 -lt 456', True),
('test 123 -lt 123', False),
('test 456 -lt 123', False),
('test 123 -le 456', True),
('test 123 -le 123', True),
('test 456 -le 123', False),
('test 456 -gt 123', True),
('test 123 -gt 123', False),
('test 123 -gt 456', False),
('test 456 -ge 123', True),
('test 123 -ge 123', True),
('test 123 -ge 456', False),
('test -z ""', True),
('test -z "aaa"', False),
('test -n "aaa"', True),
('test -n ""', False),
# Inversion of simple tests.
('test ! aaa = aaa', False),
('test ! aaa = bbb', True),
('test ! ! aaa = aaa', True),
('test ! ! aaa = bbb', False),
# Binary operators.
('test aaa != aaa -o bbb != bbb', False),
('test aaa != aaa -o bbb = bbb', True),
('test aaa = aaa -o bbb != bbb', True),
('test aaa = aaa -o bbb = bbb', True),
('test aaa != aaa -a bbb != bbb', False),
('test aaa != aaa -a bbb = bbb', False),
('test aaa = aaa -a bbb != bbb', False),
('test aaa = aaa -a bbb = bbb', True),
# Inversion within binary operators.
('test ! aaa != aaa -o ! bbb != bbb', True),
('test ! aaa != aaa -o ! bbb = bbb', True),
('test ! aaa = aaa -o ! bbb != bbb', True),
('test ! aaa = aaa -o ! bbb = bbb', False),
('test ! ! aaa != aaa -o ! ! bbb != bbb', False),
('test ! ! aaa != aaa -o ! ! bbb = bbb', True),
('test ! ! aaa = aaa -o ! ! bbb != bbb', True),
('test ! ! aaa = aaa -o ! ! bbb = bbb', True),
# -z operator.
('test -z "$ut_var_nonexistent"', True),
('test -z "$ut_var_exists"', False),
)
def exec_hush_if(u_boot_console, expr, result):
"""Execute a shell "if" command, and validate its result."""
config = u_boot_console.config.buildconfig
maxargs = int(config.get('config_sys_maxargs', '0'))
args = len(expr.split(' ')) - 1
if args > maxargs:
u_boot_console.log.warning('CONFIG_SYS_MAXARGS too low; need ' +
str(args))
pytest.skip()
cmd = 'if ' + expr + '; then echo true; else echo false; fi'
response = u_boot_console.run_command(cmd)
assert response.strip() == str(result).lower()
@pytest.mark.buildconfigspec('hush_parser')
def test_hush_if_test_setup(u_boot_console):
"""Set up environment variables used during the "if" tests."""
u_boot_console.run_command('setenv ut_var_nonexistent')
u_boot_console.run_command('setenv ut_var_exists 1')
@pytest.mark.buildconfigspec('hush_parser')
@pytest.mark.parametrize('expr,result', subtests)
def test_hush_if_test(u_boot_console, expr, result):
"""Test a single "if test" condition."""
exec_hush_if(u_boot_console, expr, result)
@pytest.mark.buildconfigspec('hush_parser')
def test_hush_if_test_teardown(u_boot_console):
"""Clean up environment variables used during the "if" tests."""
u_boot_console.run_command('setenv ut_var_exists')
@pytest.mark.buildconfigspec('hush_parser')
# We might test this on real filesystems via UMS, DFU, 'save', etc.
# Of those, only UMS currently allows file removal though.
@pytest.mark.boardspec('sandbox')
def test_hush_if_test_host_file_exists(u_boot_console):
"""Test the "if test -e" shell command."""
test_file = u_boot_console.config.result_dir + \
'/creating_this_file_breaks_u_boot_tests'
try:
os.unlink(test_file)
except:
pass
assert not os.path.exists(test_file)
expr = 'test -e hostfs - ' + test_file
exec_hush_if(u_boot_console, expr, False)
try:
with file(test_file, 'wb'):
pass
assert os.path.exists(test_file)
expr = 'test -e hostfs - ' + test_file
exec_hush_if(u_boot_console, expr, True)
finally:
os.unlink(test_file)
expr = 'test -e hostfs - ' + test_file
exec_hush_if(u_boot_console, expr, False)
|
