diff --git a/CMakeLists.txt b/CMakeLists.txt
index eb9ef37..bc3535b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -78,7 +78,7 @@ set(WIDGETS_UI_FILES
     settingsdialog/qtlanguageoptionpage.ui
     settingsdialog/qtenvoptionpage.ui
     paletteeditor/paletteeditor.ui)
-
+set(QT_TESTS buttonoverlay dialogs)
 set(CMAKE_MODULE_FILES
     cmake/modules/AndroidApk.cmake cmake/modules/QtConfig.cmake cmake/modules/QtGuiConfig.cmake
     cmake/modules/QtLinkage.cmake cmake/modules/QtWebViewProviderConfig.cmake cmake/modules/QtJsProviderConfig.cmake)
@@ -160,6 +160,7 @@ if (DBUS_NOTIFICATIONS)
     list(APPEND SRC_FILES ${DBUS_NOTIFICATIONS_FILE_NAME}.cpp)
     list(APPEND DBUS_FILES dbus/org.freedesktop.Notifications.xml)
     list(APPEND META_PUBLIC_COMPILE_DEFINITIONS ${META_PROJECT_VARNAME}_SUPPORT_DBUS_NOTIFICATIONS)
+    list(APPEND QT_TESTS dbusnotification)
     message(STATUS "D-Bus notifications enabled")
 else ()
     list(APPEND EXCLUDED_FILES ${DBUS_NOTIFICATIONS_FILE_NAME}.h ${DBUS_NOTIFICATIONS_FILE_NAME}.cpp)
@@ -191,6 +192,6 @@ include(ConfigHeader)
 include(TestUtilities)
 set(QT_TEST_LIBRARIES ${CPP_UTILITIES_LIB} ${META_TARGET_NAME})
 use_qt_module(LIBRARIES_VARIABLE "QT_TEST_LIBRARIES" PREFIX "${QT_PACKAGE_PREFIX}" MODULE "Test")
-foreach (TEST buttonoverlay dialogs)
+foreach (TEST ${QT_TESTS})
     configure_test_target(TEST_NAME "${TEST}_tests" SRC_FILES "tests/${TEST}.cpp" LIBRARIES "${QT_TEST_LIBRARIES}")
 endforeach ()
diff --git a/tests/dbusnotification.cpp b/tests/dbusnotification.cpp
new file mode 100644
index 0000000..235494b
--- /dev/null
+++ b/tests/dbusnotification.cpp
@@ -0,0 +1,103 @@
+#include "../misc/dbusnotification.h"
+
+#include "resources/config.h"
+
+#include <QTest>
+#include <QSignalSpy>
+
+using namespace QtUtilities;
+
+/*!
+ * \brief The DBusNotificationTests class tests the DBusNotification class.
+ */
+class DBusNotificationTests : public QObject {
+    Q_OBJECT
+
+private Q_SLOTS:
+    void smokeTest();
+    void semiAutomaticTest();
+};
+
+static void dummy(DBusNotification::Capabilities &&)
+{
+}
+const static auto callback = std::function<void(DBusNotification::Capabilities &&)>(&dummy);
+
+/*!
+ * \brief Runs some basic functions of DBusNotification (c'tor, d'tor, some accessors, ...) but doesn't really check
+ *        whether it works.
+ * \remarks This test should pass regardless whether DBus-notifications are actually available. Hence it avoids any checks
+ *          which depend on that and just checks whether certain function don't lead to crashes.
+ */
+void DBusNotificationTests::smokeTest()
+{
+    DBusNotification::isAvailable();
+    DBusNotification::queryCapabilities(callback);
+    DBusNotification n(QStringLiteral("Smoke test"), NotificationIcon::Warning, 100);
+    QVERIFY2(!n.isVisible(), "not immediately visible");
+    QCOMPARE(n.title(), QStringLiteral("Smoke test"));
+    n.setApplicationName(QStringLiteral(APP_NAME " tests; " APP_VERSION));
+    QCOMPARE(n.applicationName(), QStringLiteral(APP_NAME " tests; " APP_VERSION));
+    n.show(QStringLiteral("Some message")); // will emit an error if not available
+    n.isVisible();
+    n.hide();
+    QCOMPARE(n.message(), QStringLiteral("Some message"));
+    n.update(QStringLiteral("Another message"));
+    n.hide();
+    if (n.isVisible()) {
+        QSignalSpy closedSpy(&n, &DBusNotification::closed);
+        closedSpy.wait();
+    }
+}
+
+/*!
+ * \brief Runs a semi-automatic test to verify whether DBusNotification works for real.
+ * \remarks This test needs a daemon for D-Bus notifications running and requires manual user interaction. It is therefore
+ * skipped unless an environment variable is set.
+ */
+void DBusNotificationTests::semiAutomaticTest()
+{
+    const auto envValue = qEnvironmentVariable(PROJECT_VARNAME_UPPER "_ENABLE_SEMI_AUTOMATIC_NOTIFICATION_TESTS");
+    auto envValueIsInt = false;
+    if (envValue.isEmpty() || (envValue.toInt(&envValueIsInt) == 0 && envValueIsInt)) {
+        QSKIP("Set the environment variable " PROJECT_VARNAME_UPPER "_ENABLE_SEMI_AUTOMATIC_NOTIFICATION_TESTS to run "
+                                                                    "the semi-automatic D-Bus notification test.");
+    }
+
+    QVERIFY2(DBusNotification::isAvailable(), "D-Bus notifications are available");
+
+    DBusNotification n(QStringLiteral("Semi-automatic test"), NotificationIcon::Information, 10000);
+    QString clickedAction, error;
+    const auto actionConnection = connect(&n, &DBusNotification::actionInvoked, [&clickedAction] (const QString &actionName) {
+        clickedAction = actionName;
+    });
+    const auto errorConnection = connect(&n, &DBusNotification::error, [&error] () {
+        error = QStringLiteral("error occurred (TODO: pass an error message here)");
+    });
+    n.setApplicationName(QStringLiteral(APP_NAME " tests; " APP_VERSION));
+    n.show(QStringLiteral("Some message; will append more lines later"));
+    for (auto i = 1; i <= 10; ++i) {
+        n.update(QStringLiteral("Yet another line, should be displayed in the same notification as previous message (%1)").arg(i));
+        QTest::qWait(100);
+    }
+    QCOMPARE(error, QString());
+    n.setImage(QIcon::fromTheme(QStringLiteral("document-open")).pixmap(64).toImage());
+    n.setTitle(n.title() + QStringLiteral(" - click action to continue"));
+    n.setActions(QStringList({QStringLiteral("fail"), QStringLiteral("Let test fail"), QStringLiteral("pass"), QStringLiteral("Let test pass")}));
+    QSignalSpy actionInvokedSpy(&n, &DBusNotification::actionInvoked);
+    n.update(QStringLiteral("Click on \"Let test pass\" to continue within 10 seconds"));
+    actionInvokedSpy.wait(10000);
+    QCOMPARE(clickedAction, QStringLiteral("pass"));
+    QSignalSpy closedSpy(&n, &DBusNotification::closed);
+    n.setTimeout(5000);
+    n.setActions(QStringList());
+    n.update(QStringLiteral("Waiting for message to close (will close automatically in 5 seconds)"));
+    closedSpy.wait(8000);
+
+    QCOMPARE(error, QString());
+    disconnect(actionConnection);
+    disconnect(errorConnection);
+}
+
+QTEST_MAIN(DBusNotificationTests)
+#include "dbusnotification.moc"