1# SPDX-License-Identifier: GPL-2.0
2# Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
3
4import os.path
5import pytest
6
7@pytest.mark.buildconfigspec('ut_dm')
8def test_ut_dm_init(u_boot_console):
9    """Initialize data for ut dm tests."""
10
11    fn = u_boot_console.config.source_dir + '/testflash.bin'
12    if not os.path.exists(fn):
13        data = b'this is a test'
14        data += b'\x00' * ((4 * 1024 * 1024) - len(data))
15        with open(fn, 'wb') as fh:
16            fh.write(data)
17
18    fn = u_boot_console.config.source_dir + '/spi.bin'
19    if not os.path.exists(fn):
20        data = b'\x00' * (2 * 1024 * 1024)
21        with open(fn, 'wb') as fh:
22            fh.write(data)
23
24def test_ut(u_boot_console, ut_subtest):
25    """Execute a "ut" subtest.
26
27    The subtests are collected in function generate_ut_subtest() from linker
28    generated lists by applying a regular expression to the lines of file
29    u-boot.sym. The list entries are created using the C macro UNIT_TEST().
30
31    Strict naming conventions have to be followed to match the regular
32    expression. Use UNIT_TEST(foo_test_bar, _flags, foo_test) for a test bar in
33    test suite foo that can be executed via command 'ut foo bar' and is
34    implemented in C function foo_test_bar().
35
36    Args:
37        u_boot_console (ConsoleBase): U-Boot console
38        ut_subtest (str): test to be executed via command ut, e.g 'foo bar' to
39            execute command 'ut foo bar'
40    """
41
42    output = u_boot_console.run_command('ut ' + ut_subtest)
43    assert output.endswith('Failures: 0')
44