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-rwxr-xr-xtools/testing/kunit/kunit_tool_test.py45
1 files changed, 45 insertions, 0 deletions
diff --git a/tools/testing/kunit/kunit_tool_test.py b/tools/testing/kunit/kunit_tool_test.py
index c1982ace312b..97a4c72af2b8 100755
--- a/tools/testing/kunit/kunit_tool_test.py
+++ b/tools/testing/kunit/kunit_tool_test.py
@@ -413,6 +413,51 @@ class LinuxSourceTreeTest(unittest.TestCase):
with open(kunit_kernel.get_outfile_path(build_dir), 'rt') as outfile:
self.assertEqual(outfile.read(), 'hi\nbye\n', msg='Missing some output')
+ def test_build_reconfig_no_config(self):
+ with tempfile.TemporaryDirectory('') as build_dir:
+ with open(kunit_kernel.get_kunitconfig_path(build_dir), 'w') as f:
+ f.write('CONFIG_KUNIT=y')
+
+ tree = kunit_kernel.LinuxSourceTree(build_dir)
+ mock_build_config = mock.patch.object(tree, 'build_config').start()
+
+ # Should generate the .config
+ self.assertTrue(tree.build_reconfig(build_dir, make_options=[]))
+ mock_build_config.assert_called_once_with(build_dir, [])
+
+ def test_build_reconfig_existing_config(self):
+ with tempfile.TemporaryDirectory('') as build_dir:
+ # Existing .config is a superset, should not touch it
+ with open(kunit_kernel.get_kunitconfig_path(build_dir), 'w') as f:
+ f.write('CONFIG_KUNIT=y')
+ with open(kunit_kernel.get_old_kunitconfig_path(build_dir), 'w') as f:
+ f.write('CONFIG_KUNIT=y')
+ with open(kunit_kernel.get_kconfig_path(build_dir), 'w') as f:
+ f.write('CONFIG_KUNIT=y\nCONFIG_KUNIT_TEST=y')
+
+ tree = kunit_kernel.LinuxSourceTree(build_dir)
+ mock_build_config = mock.patch.object(tree, 'build_config').start()
+
+ self.assertTrue(tree.build_reconfig(build_dir, make_options=[]))
+ self.assertEqual(mock_build_config.call_count, 0)
+
+ def test_build_reconfig_remove_option(self):
+ with tempfile.TemporaryDirectory('') as build_dir:
+ # We removed CONFIG_KUNIT_TEST=y from our .kunitconfig...
+ with open(kunit_kernel.get_kunitconfig_path(build_dir), 'w') as f:
+ f.write('CONFIG_KUNIT=y')
+ with open(kunit_kernel.get_old_kunitconfig_path(build_dir), 'w') as f:
+ f.write('CONFIG_KUNIT=y\nCONFIG_KUNIT_TEST=y')
+ with open(kunit_kernel.get_kconfig_path(build_dir), 'w') as f:
+ f.write('CONFIG_KUNIT=y\nCONFIG_KUNIT_TEST=y')
+
+ tree = kunit_kernel.LinuxSourceTree(build_dir)
+ mock_build_config = mock.patch.object(tree, 'build_config').start()
+
+ # ... so we should trigger a call to build_config()
+ self.assertTrue(tree.build_reconfig(build_dir, make_options=[]))
+ mock_build_config.assert_called_once_with(build_dir, [])
+
# TODO: add more test cases.