[PATCH v2 13/17] kunit: defconfig: add defconfigs for building KUnit tests

Brendan Higgins
2019-05-01T23:04:44Z

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 <brendanhiggins@google.com>
---
arch/um/configs/kunit_defconfig | 8 ++++++++
tools/testing/kunit/configs/all_tests.config | 8 ++++++++
tools/testing/kunit/kunit.py | 17 +++++++++++++++--
tools/testing/kunit/kunit_kernel.py | 3 ++-
4 files changed, 33 insertions(+), 3 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 0000000000000..bfe49689038f1
--- /dev/null
+++ b/arch/um/configs/kunit_defconfig
@@ -0,0 +1,8 @@
+CONFIG_OF=y
+CONFIG_OF_UNITTEST=y
+CONFIG_OF_OVERLAY=y
+CONFIG_I2C=y
+CONFIG_I2C_MUX=y
+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 0000000000000..bfe49689038f1
--- /dev/null
+++ b/tools/testing/kunit/configs/all_tests.config
@@ -0,0 +1,8 @@
+CONFIG_OF=y
+CONFIG_OF_UNITTEST=y
+CONFIG_OF_OVERLAY=y
+CONFIG_I2C=y
+CONFIG_I2C_MUX=y
+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 7413ec7351a20..63e9fb3b60200 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

import kunit_config
import kunit_kernel
@@ -36,14 +37,26 @@ parser.add_argument('--build_dir',
'directory.',
type=str, default=None, metavar='build_dir')

-cli_args = parser.parse_args()
+parser.add_argument('--defconfig',
+ help='Uses a default kunitconfig.',
+ action='store_true')

-linux = kunit_kernel.LinuxSourceTree()
+def create_default_kunitconfig():
+ if not os.path.exists(kunit_kernel.KUNITCONFIG_PATH):
+ shutil.copyfile('arch/um/configs/kunit_defconfig',
+ kunit_kernel.KUNITCONFIG_PATH)
+
+cli_args = parser.parse_args()

build_dir = None
if cli_args.build_dir:
build_dir = cli_args.build_dir

+if cli_args.defconfig:
+ create_default_kunitconfig()
+
+linux = kunit_kernel.LinuxSourceTree()
+
config_start = time.time()
success = linux.build_reconfig(build_dir)
config_end = time.time()
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)
self._ops = LinuxSourceTreeOperations()

def clean(self):
--
2.21.0.593.g511ec345e18-goog