u-boot/test/py/tests/test_000_version.py
Stephen Warren d201506cca test/py: Implement pytest infrastructure
This tool aims to test U-Boot by executing U-Boot shell commands using the
console interface. A single top-level script exists to execute or attach
to the U-Boot console, run the entire script of tests against it, and
summarize the results. Advantages of this approach are:

- Testing is performed in the same way a user or script would interact
  with U-Boot; there can be no disconnect.
- There is no need to write or embed test-related code into U-Boot itself.
  It is asserted that writing test-related code in Python is simpler and
  more flexible that writing it all in C.
- It is reasonably simple to interact with U-Boot in this way.

A few simple tests are provided as examples. Soon, we should convert as
many as possible of the other tests in test/* and test/cmd_ut.c too.

The hook scripts, relay control utilities, and udev rules I use for my
own HW setup are published at https://github.com/swarren/uboot-test-hooks.

See README.md for more details!

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Tested-by: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org> #v3
2016-01-20 19:06:23 -07:00

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Python

# Copyright (c) 2015 Stephen Warren
# Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0
# pytest runs tests the order of their module path, which is related to the
# filename containing the test. This file is named such that it is sorted
# first, simply as a very basic sanity check of the functionality of the U-Boot
# command prompt.
def test_version(u_boot_console):
'''Test that the "version" command prints the U-Boot version.'''
# "version" prints the U-Boot sign-on message. This is usually considered
# an error, so that any unexpected reboot causes an error. Here, this
# error detection is disabled since the sign-on message is expected.
with u_boot_console.disable_check('main_signon'):
response = u_boot_console.run_command('version')
# Ensure "version" printed what we expected.
u_boot_console.validate_version_string_in_text(response)