From: Adarsh Babu Kalepalli opensource.kab@gmail.com

Generic Python Test cases are developed to verfiy 'gpio' command.

Signed-off-by: Adarsh Babu Kalepalli opensource.kab@gmail.com ---

test/py/tests/test_gpio.py | 175 ++++++++++++++++++++++++++++++++++++- 1 file changed, 174 insertions(+), 1 deletion(-)

diff --git a/test/py/tests/test_gpio.py b/test/py/tests/test_gpio.py index 8c64f686b0..109649e2c7 100644 --- a/test/py/tests/test_gpio.py +++ b/test/py/tests/test_gpio.py @@ -1,6 +1,16 @@ -# SPDX-License-Identifier: GPL-2.0+ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (c) 2021 Adarsh Babu Kalepalli opensource.kab@gmail.com +# Copyright (c) 2020 Alex Kiernan alex.kiernan@gmail.com

import pytest +import time +import u_boot_utils + +""" + test_gpio_input is intended to test the fix 4dbc107f4683. + 4dbc107f4683:"cmd: gpio: Correct do_gpio() return value" +"""

@pytest.mark.boardspec('sandbox') @pytest.mark.buildconfigspec('cmd_gpio') @@ -35,3 +45,166 @@ def test_gpio_exit_statuses(u_boot_console): assert(expected_response in response) response = u_boot_console.run_command('gpio input 200; echo rc:$?') assert(expected_response in response) + + +""" +Generic Tests for 'gpio' command on sandbox and real hardware. +The below sequence of tests rely on env__gpio_dev_config for configuration values of gpio pins. + + Configuration data for gpio command. + The set,clear,toggle ,input and status options of 'gpio' command are verified. + For sake of verification,A LED/buzzer could be connected to GPIO pins configured as O/P. + Logic level '1'/'0' can be applied onto GPIO pins configured as I/P + + +env__gpio_dev_config = { + #the number of 'gpio_str_x' strings should equal to + #'gpio_str_count' value + 'gpio_str_count':4 , + 'gpio_str_1': '0', + 'gpio_str_2': '31', + 'gpio_str_3': '63', + 'gpio_str_4': '127', + 'gpio_op_pin': '64', + 'gpio_ip_pin_set':'65', + 'gpio_ip_pin_clear':'66', + 'gpio_clear_value': 'value is 0', + 'gpio_set_value': 'value is 1', +} +""" + + +@pytest.mark.buildconfigspec('cmd_gpio') +def test_gpio_status_all_generic(u_boot_console): + """Test the 'gpio status' command. + + Displays all gpio pins available on the Board. + To verify if the status of pins is displayed or not, + the user can configure (gpio_str_count) and verify existence of certain + pins.The details of these can be configured in 'gpio_str_n'. + of boardenv_* (example above).User can configure any + number of such pins and mention that count in 'gpio_str_count'. + """ + + f = u_boot_console.config.env.get('env__gpio_dev_config',False) + if not f: + pytest.skip("gpio not configured") + + gpio_str_count = f['gpio_str_count'] + + #Display all the GPIO ports + cmd = 'gpio status -a' + response = u_boot_console.run_command(cmd) + + for str_value in range(1,gpio_str_count + 1): + assert f["gpio_str_%d" %(str_value)] in response + + +@pytest.mark.buildconfigspec('cmd_gpio') +def test_gpio_set_generic(u_boot_console): + """Test the 'gpio set' command. + + A specific gpio pin configured by user as output + (mentioned in gpio_op_pin) is verified for + 'set' option + + """ + + f = u_boot_console.config.env.get('env__gpio_dev_config',False) + if not f: + pytest.skip("gpio not configured") + + gpio_pin_adr = f['gpio_op_pin']; + gpio_set_value = f['gpio_set_value']; + + + cmd = 'gpio set ' + gpio_pin_adr + response = u_boot_console.run_command(cmd) + good_response = gpio_set_value + assert good_response in response + + + +@pytest.mark.buildconfigspec('cmd_gpio') +def test_gpio_clear_generic(u_boot_console): + """Test the 'gpio clear' command. + + A specific gpio pin configured by user as output + (mentioned in gpio_op_pin) is verified for + 'clear' option + """ + + f = u_boot_console.config.env.get('env__gpio_dev_config',False) + if not f: + pytest.skip("gpio not configured") + + gpio_pin_adr = f['gpio_op_pin']; + gpio_clear_value = f['gpio_clear_value']; + + + cmd = 'gpio clear ' + gpio_pin_adr + response = u_boot_console.run_command(cmd) + good_response = gpio_clear_value + assert good_response in response + + +@pytest.mark.buildconfigspec('cmd_gpio') +def test_gpio_toggle_generic(u_boot_console): + """Test the 'gpio toggle' command. + + A specific gpio pin configured by user as output + (mentioned in gpio_op_pin) is verified for + 'toggle' option + """ + + + f = u_boot_console.config.env.get('env__gpio_dev_config',False) + if not f: + pytest.skip("gpio not configured") + + gpio_pin_adr = f['gpio_op_pin']; + gpio_set_value = f['gpio_set_value']; + gpio_clear_value = f['gpio_clear_value']; + + cmd = 'gpio set ' + gpio_pin_adr + response = u_boot_console.run_command(cmd) + good_response = gpio_set_value + assert good_response in response + + cmd = 'gpio toggle ' + gpio_pin_adr + response = u_boot_console.run_command(cmd) + good_response = gpio_clear_value + assert good_response in response + + +@pytest.mark.buildconfigspec('cmd_gpio') +def test_gpio_input_generic(u_boot_console): + """Test the 'gpio input' command. + + Specific gpio pins configured by user as input + (mentioned in gpio_ip_pin_set and gpio_ip_pin_clear) + is verified for logic '1' and logic '0' states + """ + + f = u_boot_console.config.env.get('env__gpio_dev_config',False) + if not f: + pytest.skip("gpio not configured") + + gpio_pin_adr = f['gpio_ip_pin_clear']; + gpio_clear_value = f['gpio_clear_value']; + + + cmd = 'gpio input ' + gpio_pin_adr + response = u_boot_console.run_command(cmd) + good_response = gpio_clear_value + assert good_response in response + + + gpio_pin_adr = f['gpio_ip_pin_set']; + gpio_set_value = f['gpio_set_value']; + + + cmd = 'gpio input ' + gpio_pin_adr + response = u_boot_console.run_command(cmd) + good_response = gpio_set_value + assert good_response in response