diff --git a/test/meson.build b/test/meson.build
index eb82249..e864298 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -22,12 +22,14 @@
 test_sources = [
   '../physical.cpp',
   '../sysfs.cpp',
+  '../interfaces/internal_interface.cpp',
 ]
 
 tests = [
   'physical.cpp',
   'sysfs.cpp',
   'test_led_description.cpp',
+  'test_dbus_name.cpp',
 ]
 
 foreach t : tests
diff --git a/test/test_dbus_name.cpp b/test/test_dbus_name.cpp
new file mode 100644
index 0000000..d9afabe
--- /dev/null
+++ b/test/test_dbus_name.cpp
@@ -0,0 +1,59 @@
+/**
+ * Copyright © 2024 9elements
+ *
+ * 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 "interfaces/internal_interface.hpp"
+#include "sysfs.hpp"
+
+#include <gtest/gtest.h>
+
+using namespace phosphor::led;
+using namespace phosphor::led::sysfs;
+
+TEST(DbusName, Has3Parts)
+{
+    LedDescr d = {"devicename", "color", "function"};
+
+    std::string name = interface::InternalInterface::getDbusName(d);
+
+    ASSERT_EQ("devicename_function_color", name);
+}
+
+TEST(DbusName, WithDash)
+{
+    LedDescr d = {"enclosure-identify", std::nullopt, std::nullopt};
+
+    std::string name = interface::InternalInterface::getDbusName(d);
+
+    ASSERT_EQ("enclosure_identify", name);
+}
+
+TEST(DbusName, With2Dashes)
+{
+    LedDescr d = {"enclosure-identify-fault", std::nullopt, std::nullopt};
+
+    std::string name = interface::InternalInterface::getDbusName(d);
+
+    ASSERT_EQ("enclosure_identify_fault", name);
+}
+
+TEST(DbusName, WithUnderscore)
+{
+    LedDescr d = {"enclosure_identify", std::nullopt, std::nullopt};
+
+    std::string name = interface::InternalInterface::getDbusName(d);
+
+    ASSERT_EQ("enclosure_identify", name);
+}