diff --git a/tools/power-utils/test/meson.build b/tools/power-utils/test/meson.build
index 056f4cc..45052ad 100644
--- a/tools/power-utils/test/meson.build
+++ b/tools/power-utils/test/meson.build
@@ -16,3 +16,22 @@
         objects: record_manager,
     )
 )
+
+test(
+    'test_updater',
+    executable(
+        'test_updater',
+        'test_updater.cpp',
+        '../updater.cpp',
+        dependencies: [
+            gtest,
+            phosphor_logging,
+        ],
+        implicit_include_directories: false,
+        include_directories: '../../..',
+        link_with: [
+            libpower,
+        ],
+        objects: record_manager,
+    )
+)
diff --git a/tools/power-utils/test/test_updater.cpp b/tools/power-utils/test/test_updater.cpp
new file mode 100644
index 0000000..2786986
--- /dev/null
+++ b/tools/power-utils/test/test_updater.cpp
@@ -0,0 +1,42 @@
+/**
+ * Copyright © 2019 IBM Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "../updater.hpp"
+
+#include <gtest/gtest.h>
+
+namespace updater
+{
+namespace internal
+{
+
+std::string getDeviceName(std::string devPath);
+
+} // namespace internal
+} // namespace updater
+
+using namespace updater;
+
+TEST(Updater, getDeviceName)
+{
+    auto ret = internal::getDeviceName("");
+    EXPECT_TRUE(ret.empty());
+
+    ret = internal::getDeviceName("/sys/bus/i2c/devices/3-0069");
+    EXPECT_EQ("3-0069", ret);
+
+    ret = internal::getDeviceName("/sys/bus/i2c/devices/3-0069/");
+    EXPECT_EQ("3-0069", ret);
+}