diff --git a/core/tests/DataSource/TestDataSourceItem.cpp b/core/tests/DataSource/TestDataSourceItem.cpp
new file mode 100644
index 0000000..c40fb4e
--- /dev/null
+++ b/core/tests/DataSource/TestDataSourceItem.cpp
@@ -0,0 +1,72 @@
+#include <DataSource/DataSourceItem.h>
+
+#include <QObject>
+#include <QtTest>
+
+#include <iostream>
+
+namespace {
+
+void printItem(std::ostream &out, const DataSourceItem &item, int level = 0)
+{
+    for (auto i = 0; i < level; ++i) {
+        out << "    ";
+    }
+
+    out << item.name().toStdString() << "\n";
+
+    for (auto i = 0, count = item.childCount(); i < count; ++i) {
+        printItem(out, *item.child(i), level + 1);
+    }
+}
+
+std::ostream &operator<<(std::ostream &out, const DataSourceItem &item)
+{
+    printItem(out, item, 0);
+    return out;
+}
+
+} // namespace
+
+Q_DECLARE_METATYPE(std::shared_ptr<DataSourceItem>)
+
+class TestDataSourceItem : public QObject {
+    Q_OBJECT
+private slots:
+    void testMerge_data();
+    void testMerge();
+};
+
+void TestDataSourceItem::testMerge_data()
+{
+    QTest::addColumn<std::shared_ptr<DataSourceItem> >("source");
+    QTest::addColumn<std::shared_ptr<DataSourceItem> >("dest");
+    QTest::addColumn<std::shared_ptr<DataSourceItem> >("expectedResult");
+
+    /// @todo ALX: adds test cases
+}
+
+void TestDataSourceItem::testMerge()
+{
+    QFETCH(std::shared_ptr<DataSourceItem>, source);
+    QFETCH(std::shared_ptr<DataSourceItem>, dest);
+    QFETCH(std::shared_ptr<DataSourceItem>, expectedResult);
+
+    // Uncomment to print trees
+    //    std::cout << "source: \n" << *source << "\n";
+    //    std::cout << "dest: \n" << *dest << "\n";
+
+    // Merges source in dest (not taking source root)
+    for (auto i = 0, count = source->childCount(); i < count; ++i) {
+        dest->merge(*source->child(i));
+    }
+
+    // Uncomment to print trees
+    //    std::cout << "dest after merge: \n" << *dest << "\n";
+
+    // Checks merge result
+    QVERIFY(*dest == *expectedResult);
+}
+
+QTEST_MAIN(TestDataSourceItem)
+#include "TestDataSourceItem.moc"
diff --git a/core/tests/meson.build b/core/tests/meson.build
index 8a23801..e03a89d 100644
--- a/core/tests/meson.build
+++ b/core/tests/meson.build
@@ -10,6 +10,7 @@ tests = [
   [['Data/TestTwoDimArrayData.cpp'],'test_2d','Two Dim Array test'],
   [['Data/TestDataSeriesUtils.cpp'],'test_dataseries_util','Data series utils test'],
   [['DataSource/TestDataSourceController.cpp'],'test_data_source','DataSourceController test'],
+  [['DataSource/TestDataSourceItem.cpp'],'test_data_source_item','DataSourceItem test'],
   [['Variable/TestVariableCacheController.cpp'],'test_variable_cache','VariableCacheController test'],
   [['Variable/TestVariable.cpp'],'test_variable','Variable test'],
   [['Variable/TestVariableSync.cpp'],'test_variable_sync','Variable synchronization test']