test: fix pylint warnings in test_efi_selftest.py

* change format of parameter documentation
* avoid superfluous assignments
Signed-off-by: NHeinrich Schuchardt <heinrich.schuchardt@canonical.com>

test/py/tests/test_efi_selftest.py

 # SPDX-License-Identifier: GPL-2.0
 # Copyright (c) 2017, Heinrich Schuchardt <xypron.glpk@gmx.de>
 
-"""
-Test UEFI API implementation
+""" Test UEFI API implementation
 """
 
 import pytest
@@ -11,14 +10,13 @@ import pytest
 def test_efi_selftest(u_boot_console):
     """Run UEFI unit tests
 
-    :param u_boot_console: U-Boot console
+    u_boot_console -- U-Boot console
 
     This function executes all selftests that are not marked as on request.
     """
     u_boot_console.run_command(cmd='setenv efi_selftest')
     u_boot_console.run_command(cmd='bootefi selftest', wait_for_prompt=False)
-    m = u_boot_console.p.expect(['Summary: 0 failures', 'Press any key'])
-    if m != 0:
+    if u_boot_console.p.expect(['Summary: 0 failures', 'Press any key']):
         raise Exception('Failures occurred during the EFI selftest')
     u_boot_console.restart_uboot()
 
@@ -29,7 +27,7 @@ def test_efi_selftest(u_boot_console):
 def test_efi_selftest_device_tree(u_boot_console):
     """Test the device tree support in the UEFI sub-system
 
-    :param u_boot_console: U-Boot console
+    u_boot_console -- U-Boot console
 
     This test executes the UEFI unit test by calling 'bootefi selftest'.
     """
@@ -41,8 +39,7 @@ def test_efi_selftest_device_tree(u_boot_console):
     u_boot_console.run_command(cmd='setenv efi_test "${serial#}x"')
     u_boot_console.run_command(cmd='test "${efi_test}" = x && setenv serial# 0')
     u_boot_console.run_command(cmd='bootefi selftest ${fdtcontroladdr}', wait_for_prompt=False)
-    m = u_boot_console.p.expect(['serial-number:', 'U-Boot'])
-    if m != 0:
+    if u_boot_console.p.expect(['serial-number:', 'U-Boot']):
         raise Exception('serial-number missing in device tree')
     u_boot_console.restart_uboot()
 
@@ -50,7 +47,7 @@ def test_efi_selftest_device_tree(u_boot_console):
 def test_efi_selftest_watchdog_reboot(u_boot_console):
     """Test the watchdog timer
 
-    :param u_boot_console: U-Boot console
+    u_boot_console -- U-Boot console
 
     This function executes the 'watchdog reboot' unit test.
     """
@@ -59,8 +56,7 @@ def test_efi_selftest_watchdog_reboot(u_boot_console):
     assert '\'watchdog reboot\'' in output
     u_boot_console.run_command(cmd='setenv efi_selftest watchdog reboot')
     u_boot_console.run_command(cmd='bootefi selftest', wait_for_prompt=False)
-    m = u_boot_console.p.expect(['resetting', 'U-Boot'])
-    if m != 0:
+    if u_boot_console.p.expect(['resetting', 'U-Boot']):
         raise Exception('Reset failed in \'watchdog reboot\' test')
     u_boot_console.restart_uboot()
 
@@ -68,68 +64,55 @@ def test_efi_selftest_watchdog_reboot(u_boot_console):
 def test_efi_selftest_text_input(u_boot_console):
     """Test the EFI_SIMPLE_TEXT_INPUT_PROTOCOL
 
-    :param u_boot_console: U-Boot console
+    u_boot_console -- U-Boot console
 
     This function calls the text input EFI selftest.
     """
     u_boot_console.run_command(cmd='setenv efi_selftest text input')
     u_boot_console.run_command(cmd='bootefi selftest', wait_for_prompt=False)
-    m = u_boot_console.p.expect([r'To terminate type \'x\''])
-    if m != 0:
+    if u_boot_console.p.expect([r'To terminate type \'x\'']):
         raise Exception('No prompt for \'text input\' test')
     u_boot_console.drain_console()
     u_boot_console.p.timeout = 500
     # EOT
     u_boot_console.run_command(cmd=chr(4), wait_for_echo=False,
                                send_nl=False, wait_for_prompt=False)
-    m = u_boot_console.p.expect(
-        [r'Unicode char 4 \(unknown\), scan code 0 \(Null\)'])
-    if m != 0:
+    if u_boot_console.p.expect([r'Unicode char 4 \(unknown\), scan code 0 \(Null\)']):
         raise Exception('EOT failed in \'text input\' test')
     u_boot_console.drain_console()
     # BS
     u_boot_console.run_command(cmd=chr(8), wait_for_echo=False,
                                send_nl=False, wait_for_prompt=False)
-    m = u_boot_console.p.expect(
-        [r'Unicode char 8 \(BS\), scan code 0 \(Null\)'])
-    if m != 0:
+    if u_boot_console.p.expect([r'Unicode char 8 \(BS\), scan code 0 \(Null\)']):
         raise Exception('BS failed in \'text input\' test')
     u_boot_console.drain_console()
     # TAB
     u_boot_console.run_command(cmd=chr(9), wait_for_echo=False,
                                send_nl=False, wait_for_prompt=False)
-    m = u_boot_console.p.expect(
-        [r'Unicode char 9 \(TAB\), scan code 0 \(Null\)'])
-    if m != 0:
+    if u_boot_console.p.expect([r'Unicode char 9 \(TAB\), scan code 0 \(Null\)']):
         raise Exception('BS failed in \'text input\' test')
     u_boot_console.drain_console()
     # a
     u_boot_console.run_command(cmd='a', wait_for_echo=False, send_nl=False,
                                wait_for_prompt=False)
-    m = u_boot_console.p.expect(
-        [r'Unicode char 97 \(\'a\'\), scan code 0 \(Null\)'])
-    if m != 0:
+    if u_boot_console.p.expect([r'Unicode char 97 \(\'a\'\), scan code 0 \(Null\)']):
         raise Exception('\'a\' failed in \'text input\' test')
     u_boot_console.drain_console()
     # UP escape sequence
     u_boot_console.run_command(cmd=chr(27) + '[A', wait_for_echo=False,
                                send_nl=False, wait_for_prompt=False)
-    m = u_boot_console.p.expect(
-        [r'Unicode char 0 \(Null\), scan code 1 \(Up\)'])
-    if m != 0:
+    if u_boot_console.p.expect([r'Unicode char 0 \(Null\), scan code 1 \(Up\)']):
         raise Exception('UP failed in \'text input\' test')
     u_boot_console.drain_console()
     # Euro sign
     u_boot_console.run_command(cmd=b'\xe2\x82\xac'.decode(), wait_for_echo=False,
                                send_nl=False, wait_for_prompt=False)
-    m = u_boot_console.p.expect([r'Unicode char 8364 \(\''])
-    if m != 0:
+    if u_boot_console.p.expect([r'Unicode char 8364 \(\'']):
         raise Exception('Euro sign failed in \'text input\' test')
     u_boot_console.drain_console()
     u_boot_console.run_command(cmd='x', wait_for_echo=False, send_nl=False,
                                wait_for_prompt=False)
-    m = u_boot_console.p.expect(['Summary: 0 failures', 'Press any key'])
-    if m != 0:
+    if u_boot_console.p.expect(['Summary: 0 failures', 'Press any key']):
         raise Exception('Failures occurred during the EFI selftest')
     u_boot_console.restart_uboot()
 
@@ -137,77 +120,62 @@ def test_efi_selftest_text_input(u_boot_console):
 def test_efi_selftest_text_input_ex(u_boot_console):
     """Test the EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL
 
-    :param u_boot_console: U-Boot console
+    u_boot_console -- U-Boot console
 
     This function calls the extended text input EFI selftest.
     """
     u_boot_console.run_command(cmd='setenv efi_selftest extended text input')
     u_boot_console.run_command(cmd='bootefi selftest', wait_for_prompt=False)
-    m = u_boot_console.p.expect([r'To terminate type \'CTRL\+x\''])
-    if m != 0:
+    if u_boot_console.p.expect([r'To terminate type \'CTRL\+x\'']):
         raise Exception('No prompt for \'text input\' test')
     u_boot_console.drain_console()
     u_boot_console.p.timeout = 500
     # EOT
     u_boot_console.run_command(cmd=chr(4), wait_for_echo=False,
                                send_nl=False, wait_for_prompt=False)
-    m = u_boot_console.p.expect(
-        [r'Unicode char 100 \(\'d\'\), scan code 0 \(CTRL\+Null\)'])
-    if m != 0:
+    if u_boot_console.p.expect([r'Unicode char 100 \(\'d\'\), scan code 0 \(CTRL\+Null\)']):
         raise Exception('EOT failed in \'text input\' test')
     u_boot_console.drain_console()
     # BS
     u_boot_console.run_command(cmd=chr(8), wait_for_echo=False,
                                send_nl=False, wait_for_prompt=False)
-    m = u_boot_console.p.expect(
-        [r'Unicode char 8 \(BS\), scan code 0 \(\+Null\)'])
-    if m != 0:
+    if u_boot_console.p.expect([r'Unicode char 8 \(BS\), scan code 0 \(\+Null\)']):
         raise Exception('BS failed in \'text input\' test')
     u_boot_console.drain_console()
     # TAB
     u_boot_console.run_command(cmd=chr(9), wait_for_echo=False,
                                send_nl=False, wait_for_prompt=False)
-    m = u_boot_console.p.expect(
-        [r'Unicode char 9 \(TAB\), scan code 0 \(\+Null\)'])
-    if m != 0:
+    if u_boot_console.p.expect([r'Unicode char 9 \(TAB\), scan code 0 \(\+Null\)']):
         raise Exception('TAB failed in \'text input\' test')
     u_boot_console.drain_console()
     # a
     u_boot_console.run_command(cmd='a', wait_for_echo=False, send_nl=False,
                                wait_for_prompt=False)
-    m = u_boot_console.p.expect(
-        [r'Unicode char 97 \(\'a\'\), scan code 0 \(Null\)'])
-    if m != 0:
+    if u_boot_console.p.expect([r'Unicode char 97 \(\'a\'\), scan code 0 \(Null\)']):
         raise Exception('\'a\' failed in \'text input\' test')
     u_boot_console.drain_console()
     # UP escape sequence
     u_boot_console.run_command(cmd=chr(27) + '[A', wait_for_echo=False,
                                send_nl=False, wait_for_prompt=False)
-    m = u_boot_console.p.expect(
-        [r'Unicode char 0 \(Null\), scan code 1 \(\+Up\)'])
-    if m != 0:
+    if u_boot_console.p.expect([r'Unicode char 0 \(Null\), scan code 1 \(\+Up\)']):
         raise Exception('UP failed in \'text input\' test')
     u_boot_console.drain_console()
     # Euro sign
     u_boot_console.run_command(cmd=b'\xe2\x82\xac'.decode(), wait_for_echo=False,
                                send_nl=False, wait_for_prompt=False)
-    m = u_boot_console.p.expect([r'Unicode char 8364 \(\''])
-    if m != 0:
+    if u_boot_console.p.expect([r'Unicode char 8364 \(\'']):
         raise Exception('Euro sign failed in \'text input\' test')
     u_boot_console.drain_console()
     # SHIFT+ALT+FN 5
     u_boot_console.run_command(cmd=b'\x1b\x5b\x31\x35\x3b\x34\x7e'.decode(),
                                wait_for_echo=False, send_nl=False,
                                wait_for_prompt=False)
-    m = u_boot_console.p.expect(
-        [r'Unicode char 0 \(Null\), scan code 15 \(SHIFT\+ALT\+FN 5\)'])
-    if m != 0:
+    if u_boot_console.p.expect([r'Unicode char 0 \(Null\), scan code 15 \(SHIFT\+ALT\+FN 5\)']):
         raise Exception('SHIFT+ALT+FN 5 failed in \'text input\' test')
     u_boot_console.drain_console()
     u_boot_console.run_command(cmd=chr(24), wait_for_echo=False, send_nl=False,
                                wait_for_prompt=False)
-    m = u_boot_console.p.expect(['Summary: 0 failures', 'Press any key'])
-    if m != 0:
+    if u_boot_console.p.expect(['Summary: 0 failures', 'Press any key']):
         raise Exception('Failures occurred during the EFI selftest')
     u_boot_console.restart_uboot()
 
@@ -216,7 +184,7 @@ def test_efi_selftest_text_input_ex(u_boot_console):
 def test_efi_selftest_tcg2(u_boot_console):
     """Test the EFI_TCG2 PROTOCOL
 
-    :param u_boot_console: U-Boot console
+    u_boot_console -- U-Boot console
 
     This function executes the 'tcg2' unit test.
     """
@@ -226,7 +194,6 @@ def test_efi_selftest_tcg2(u_boot_console):
     assert '\'tcg2\'' in output
     u_boot_console.run_command(cmd='setenv efi_selftest tcg2')
     u_boot_console.run_command(cmd='bootefi selftest', wait_for_prompt=False)
-    m = u_boot_console.p.expect(['Summary: 0 failures', 'Press any key'])
-    if m != 0:
+    if u_boot_console.p.expect(['Summary: 0 failures', 'Press any key']):
         raise Exception('Failures occurred during the EFI selftest')
     u_boot_console.restart_uboot()