Embedded Test & Automation Tool
Welcome to tbot! tbot automates the development workflow for embedded systems software. This automation can then also be used for running tests against real hardware, even in CI.
At its core, tbot is a library for interacting with remote hosts over various connections. For example, a target board can be accessed via serial console. Or a TFTP-server via SSH. tbot allows managing all these connections in "parallel". This means, you can orchestrate complex sequences of interaction between them.
At the moment, the main focus of tbot lies in embedded Linux systems. Support for other systems is definitely intended to be added, too.
Most info about tbot can be found in its documentation at https://tbot.tools. You can also join our mailing list, tbot AT lists.denx.de.
pip3 install --user -U git+https://github.com/rahix/[email protected]If you haven't done it already, you need to add ~/.local/bin to your $PATH.
tbot supports command line completions. Install them with the following commands:
curl --create-dirs -L -o ~/.local/lib/tbot/completions.sh https://github.com/Rahix/tbot/raw/master/completions.sh
echo "source ~/.local/lib/tbot/completions.sh" >>~/.bashrcTo show what tbot can help you with, here are a few simple example usecases:
@tbot.testcase
def test_linux_simple():
# request serial connection to Linux on the board
with tbot.ctx.request(tbot.role.BoardLinux) as lnx:
# now we can run commands
lnx.exec0("uname", "-a")
# or, for example, read a file from the target
cmdline = (lnx.fsroot / "proc" / "cmdline").read_text()class CustomBoardLinux(board.LinuxUbootConnector, board.LinuxBootLogin, linux.Bash):
username = "root"
password = None
def do_boot(self, uboot):
# set `autoload` env-var to false to prevent automatic DHCP-boot
uboot.env("autoload", "false")
# get an IP-address
uboot.exec0("dhcp")
# download kernel + initramfs from TFTP server
loadaddr = 0x82000000
uboot.exec0("tftp", hex(loadaddr), f"{tftp_ip}:{kernel_image_path}")
# and boot it!
return uboot.boot("bootm", hex(loadaddr))@tbot.testcase
def test_ethernet_speed():
with tbot.ctx() as cx:
# boot into Linux on the board and acquire a shell-session
lnx = cx.request(tbot.role.BoardLinux)
# use ssh to connect to a network server to test against
lh = cx.request(tbot.role.LabHost)
# start iperf server
with lh.run("iperf", "-s") as iperf_server:
# and display its output while waiting for startup
iperf_server.read_until_timeout(2)
# now run iperf client on DUT
tx_report = lnx.exec0("iperf", "-c", server_ip)
# exit the server with CTRL-C
tbot.log.message("Server Output:")
iperf_server.sendcontrol("C")
iperf_server.terminate0()Help is really appreciated! Please take a look at tbot's contribution guidelines for more info. If you are unsure about anything, please open an issue or consult the mailing list first!
tbot is licensed under the GNU General Public License v3.0 or later. See
LICENSE for more info.
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