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https://github.com/brain-hackers/u-boot-brain
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24862c640e
test_hush_if_test.py executes commands that require large values of CONFIG_SYS_MAXARGS. Detect cases where the configured value is too low and skip those tests. Ideally, this would be implemented inside console.run_command(). However, the command passed to that function is already a completely formed string, and determining its argument count usage would require splitting commands at ;, handling quoting to deal with arguments containing spaces, etc. Even passing the command as a list wouldn't solve all these issues, since we'd still need to split commands on ; and deal with cases like "if test ..." which consumes 0 of the argument count. Signed-off-by: Stephen Warren <swarren@wwwdotorg.org> Acked-by: Simon Glass <sjg@chromium.org>
163 lines
4.5 KiB
Python
163 lines
4.5 KiB
Python
# Copyright (c) 2015-2016, NVIDIA CORPORATION. All rights reserved.
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#
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# SPDX-License-Identifier: GPL-2.0
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# Test operation of the "if" shell command.
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import os
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import os.path
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import pytest
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# The list of "if test" conditions to test.
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subtests = (
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# Base if functionality.
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('true', True),
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('false', False),
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# Basic operators.
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('test aaa = aaa', True),
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('test aaa = bbb', False),
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('test aaa != bbb', True),
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('test aaa != aaa', False),
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('test aaa < bbb', True),
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('test bbb < aaa', False),
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('test bbb > aaa', True),
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('test aaa > bbb', False),
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('test 123 -eq 123', True),
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('test 123 -eq 456', False),
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('test 123 -ne 456', True),
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('test 123 -ne 123', False),
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('test 123 -lt 456', True),
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('test 123 -lt 123', False),
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('test 456 -lt 123', False),
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('test 123 -le 456', True),
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('test 123 -le 123', True),
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('test 456 -le 123', False),
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('test 456 -gt 123', True),
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('test 123 -gt 123', False),
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('test 123 -gt 456', False),
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('test 456 -ge 123', True),
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('test 123 -ge 123', True),
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('test 123 -ge 456', False),
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('test -z ""', True),
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('test -z "aaa"', False),
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('test -n "aaa"', True),
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('test -n ""', False),
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# Inversion of simple tests.
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('test ! aaa = aaa', False),
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('test ! aaa = bbb', True),
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('test ! ! aaa = aaa', True),
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('test ! ! aaa = bbb', False),
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# Binary operators.
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('test aaa != aaa -o bbb != bbb', False),
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('test aaa != aaa -o bbb = bbb', True),
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('test aaa = aaa -o bbb != bbb', True),
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('test aaa = aaa -o bbb = bbb', True),
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('test aaa != aaa -a bbb != bbb', False),
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('test aaa != aaa -a bbb = bbb', False),
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('test aaa = aaa -a bbb != bbb', False),
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('test aaa = aaa -a bbb = bbb', True),
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# Inversion within binary operators.
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('test ! aaa != aaa -o ! bbb != bbb', True),
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('test ! aaa != aaa -o ! bbb = bbb', True),
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('test ! aaa = aaa -o ! bbb != bbb', True),
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('test ! aaa = aaa -o ! bbb = bbb', False),
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('test ! ! aaa != aaa -o ! ! bbb != bbb', False),
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('test ! ! aaa != aaa -o ! ! bbb = bbb', True),
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('test ! ! aaa = aaa -o ! ! bbb != bbb', True),
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('test ! ! aaa = aaa -o ! ! bbb = bbb', True),
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# -z operator.
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('test -z "$ut_var_nonexistent"', True),
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('test -z "$ut_var_exists"', False),
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)
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def exec_hush_if(u_boot_console, expr, result):
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"""Execute a shell "if" command, and validate its result."""
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config = u_boot_console.config.buildconfig
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maxargs = int(config.get('config_sys_maxargs', '0'))
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args = len(expr.split(' ')) - 1
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if args > maxargs:
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u_boot_console.log.warning('CONFIG_SYS_MAXARGS too low; need ' +
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str(args))
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pytest.skip()
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cmd = 'if ' + expr + '; then echo true; else echo false; fi'
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response = u_boot_console.run_command(cmd)
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assert response.strip() == str(result).lower()
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@pytest.mark.buildconfigspec('sys_hush_parser')
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def test_hush_if_test_setup(u_boot_console):
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"""Set up environment variables used during the "if" tests."""
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u_boot_console.run_command('setenv ut_var_nonexistent')
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u_boot_console.run_command('setenv ut_var_exists 1')
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@pytest.mark.buildconfigspec('sys_hush_parser')
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@pytest.mark.parametrize('expr,result', subtests)
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def test_hush_if_test(u_boot_console, expr, result):
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"""Test a single "if test" condition."""
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exec_hush_if(u_boot_console, expr, result)
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@pytest.mark.buildconfigspec('sys_hush_parser')
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def test_hush_if_test_teardown(u_boot_console):
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"""Clean up environment variables used during the "if" tests."""
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u_boot_console.run_command('setenv ut_var_exists')
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@pytest.mark.buildconfigspec('sys_hush_parser')
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# We might test this on real filesystems via UMS, DFU, 'save', etc.
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# Of those, only UMS currently allows file removal though.
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@pytest.mark.boardspec('sandbox')
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def test_hush_if_test_host_file_exists(u_boot_console):
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"""Test the "if test -e" shell command."""
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test_file = u_boot_console.config.result_dir + \
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'/creating_this_file_breaks_u_boot_tests'
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try:
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os.unlink(test_file)
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except:
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pass
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assert not os.path.exists(test_file)
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expr = 'test -e hostfs - ' + test_file
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exec_hush_if(u_boot_console, expr, False)
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try:
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with file(test_file, 'wb'):
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pass
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assert os.path.exists(test_file)
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expr = 'test -e hostfs - ' + test_file
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exec_hush_if(u_boot_console, expr, True)
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finally:
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os.unlink(test_file)
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expr = 'test -e hostfs - ' + test_file
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exec_hush_if(u_boot_console, expr, False)
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