Re: [PATCH v13 14/18] kunit: defconfig: add defconfigs for building KUnit tests

2019-08-14 Thread Stephen Boyd
Quoting Brendan Higgins (2019-08-13 22:51:04)
> Add defconfig for UML and a fragment that can be used to configure other
> architectures for building KUnit tests. Add option to kunit_tool to use
> a defconfig to create the kunitconfig.
> 
> Signed-off-by: Brendan Higgins 
> Reviewed-by: Greg Kroah-Hartman 
> Reviewed-by: Logan Gunthorpe 
> ---

Reviewed-by: Stephen Boyd 



[PATCH v13 14/18] kunit: defconfig: add defconfigs for building KUnit tests

2019-08-13 Thread Brendan Higgins
Add defconfig for UML and a fragment that can be used to configure other
architectures for building KUnit tests. Add option to kunit_tool to use
a defconfig to create the kunitconfig.

Signed-off-by: Brendan Higgins 
Reviewed-by: Greg Kroah-Hartman 
Reviewed-by: Logan Gunthorpe 
---
 arch/um/configs/kunit_defconfig  |  3 +++
 tools/testing/kunit/configs/all_tests.config |  3 +++
 tools/testing/kunit/kunit.py | 28 +---
 tools/testing/kunit/kunit_kernel.py  |  3 ++-
 4 files changed, 32 insertions(+), 5 deletions(-)
 create mode 100644 arch/um/configs/kunit_defconfig
 create mode 100644 tools/testing/kunit/configs/all_tests.config

diff --git a/arch/um/configs/kunit_defconfig b/arch/um/configs/kunit_defconfig
new file mode 100644
index 0..9235b7d42d389
--- /dev/null
+++ b/arch/um/configs/kunit_defconfig
@@ -0,0 +1,3 @@
+CONFIG_KUNIT=y
+CONFIG_KUNIT_TEST=y
+CONFIG_KUNIT_EXAMPLE_TEST=y
diff --git a/tools/testing/kunit/configs/all_tests.config 
b/tools/testing/kunit/configs/all_tests.config
new file mode 100644
index 0..9235b7d42d389
--- /dev/null
+++ b/tools/testing/kunit/configs/all_tests.config
@@ -0,0 +1,3 @@
+CONFIG_KUNIT=y
+CONFIG_KUNIT_TEST=y
+CONFIG_KUNIT_EXAMPLE_TEST=y
diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py
index da11bd62a4b82..0944dea5c3211 100755
--- a/tools/testing/kunit/kunit.py
+++ b/tools/testing/kunit/kunit.py
@@ -11,6 +11,7 @@ import argparse
 import sys
 import os
 import time
+import shutil
 
 from collections import namedtuple
 from enum import Enum, auto
@@ -21,7 +22,7 @@ import kunit_parser
 
 KunitResult = namedtuple('KunitResult', ['status','result'])
 
-KunitRequest = namedtuple('KunitRequest', ['raw_output','timeout', 'jobs', 
'build_dir'])
+KunitRequest = namedtuple('KunitRequest', ['raw_output','timeout', 'jobs', 
'build_dir', 'defconfig'])
 
 class KunitStatus(Enum):
SUCCESS = auto()
@@ -29,8 +30,16 @@ class KunitStatus(Enum):
BUILD_FAILURE = auto()
TEST_FAILURE = auto()
 
+def create_default_kunitconfig():
+   if not os.path.exists(kunit_kernel.KUNITCONFIG_PATH):
+   shutil.copyfile('arch/um/configs/kunit_defconfig',
+   kunit_kernel.KUNITCONFIG_PATH)
+
 def run_tests(linux: kunit_kernel.LinuxSourceTree,
  request: KunitRequest) -> KunitResult:
+   if request.defconfig:
+   create_default_kunitconfig()
+
config_start = time.time()
success = linux.build_reconfig(request.build_dir)
config_end = time.time()
@@ -72,7 +81,7 @@ def run_tests(linux: kunit_kernel.LinuxSourceTree,
else:
return KunitResult(KunitStatus.SUCCESS, test_result)
 
-def main(argv, linux):
+def main(argv, linux=None):
parser = argparse.ArgumentParser(
description='Helps writing and running KUnit tests.')
subparser = parser.add_subparsers(dest='subcommand')
@@ -99,13 +108,24 @@ def main(argv, linux):
'directory.',
type=str, default=None, metavar='build_dir')
 
+   run_parser.add_argument('--defconfig',
+   help='Uses a default kunitconfig.',
+   action='store_true')
+
cli_args = parser.parse_args(argv)
 
if cli_args.subcommand == 'run':
+   if cli_args.defconfig:
+   create_default_kunitconfig()
+
+   if not linux:
+   linux = kunit_kernel.LinuxSourceTree()
+
request = KunitRequest(cli_args.raw_output,
   cli_args.timeout,
   cli_args.jobs,
-  cli_args.build_dir)
+  cli_args.build_dir,
+  cli_args.defconfig)
result = run_tests(linux, request)
if result.status != KunitStatus.SUCCESS:
sys.exit(1)
@@ -113,4 +133,4 @@ def main(argv, linux):
parser.print_help()
 
 if __name__ == '__main__':
-   main(sys.argv[1:], kunit_kernel.LinuxSourceTree())
+   main(sys.argv[1:])
diff --git a/tools/testing/kunit/kunit_kernel.py 
b/tools/testing/kunit/kunit_kernel.py
index 07c0abf2f47df..bf38768353313 100644
--- a/tools/testing/kunit/kunit_kernel.py
+++ b/tools/testing/kunit/kunit_kernel.py
@@ -14,6 +14,7 @@ import os
 import kunit_config
 
 KCONFIG_PATH = '.config'
+KUNITCONFIG_PATH = 'kunitconfig'
 
 class ConfigError(Exception):
"""Represents an error trying to configure the Linux kernel."""
@@ -81,7 +82,7 @@ class LinuxSourceTree(object):
 
def __init__(self):
self._kconfig = kunit_config.Kconfig()
-   self._kconfig.read_from_file('kunitconfig')
+   self._kconfig.read_from_file(KUNITCONFIG_PATH)