diff --git a/plugins/mockplugin/include/MockPlugin.h b/plugins/mockplugin/include/MockPlugin.h
index 7d18987..889705e 100644
--- a/plugins/mockplugin/include/MockPlugin.h
+++ b/plugins/mockplugin/include/MockPlugin.h
@@ -18,10 +18,6 @@ class MockPlugin : public QObject, public IPlugin {
 public:
     /// @sa IPlugin::initialize()
     void initialize() override;
-
-private:
-    /// Creates the data source item relative to the plugin
-    std::unique_ptr<DataSourceItem> createDataSourceItem() const noexcept;
 };
 
 #endif // SCIQLOP_MOCKPLUGIN_H
diff --git a/plugins/mockplugin/src/MockPlugin.cpp b/plugins/mockplugin/src/MockPlugin.cpp
index 599ad04..526a2fc 100644
--- a/plugins/mockplugin/src/MockPlugin.cpp
+++ b/plugins/mockplugin/src/MockPlugin.cpp
@@ -1,4 +1,5 @@
-#include <MockPlugin.h>
+#include "MockPlugin.h"
+#include "CosinusProvider.h"
 
 #include <DataSource/DataSourceController.h>
 #include <DataSource/DataSourceItem.h>
@@ -12,23 +13,14 @@ namespace {
 /// Name of the data source
 const auto DATA_SOURCE_NAME = QStringLiteral("MMS");
 
-} // namespace
-
-void MockPlugin::initialize()
+/// Creates the data provider relative to the plugin
+std::unique_ptr<IDataProvider> createDataProvider() noexcept
 {
-    if (auto app = sqpApp) {
-        // Registers to the data source controller
-        auto &dataSourceController = app->dataSourceController();
-        auto dataSourceUid = dataSourceController.registerDataSource(DATA_SOURCE_NAME);
-
-        dataSourceController.setDataSourceItem(dataSourceUid, createDataSourceItem());
-    }
-    else {
-        qCWarning(LOG_MockPlugin()) << tr("Can't access to SciQlop application");
-    }
+    return std::make_unique<CosinusProvider>();
 }
 
-std::unique_ptr<DataSourceItem> MockPlugin::createDataSourceItem() const noexcept
+/// Creates the data source item relative to the plugin
+std::unique_ptr<DataSourceItem> createDataSourceItem() noexcept
 {
     // Magnetic field products
     auto fgmProduct = std::make_unique<DataSourceItem>(DataSourceItemType::PRODUCT,
@@ -51,5 +43,25 @@ std::unique_ptr<DataSourceItem> MockPlugin::createDataSourceItem() const noexcep
     root->appendChild(std::move(magneticFieldFolder));
     root->appendChild(std::move(electricFieldFolder));
 
-    return std::move(root);
+    return root;
+}
+
+} // namespace
+
+void MockPlugin::initialize()
+{
+    if (auto app = sqpApp) {
+        // Registers to the data source controller
+        auto &dataSourceController = app->dataSourceController();
+        auto dataSourceUid = dataSourceController.registerDataSource(DATA_SOURCE_NAME);
+
+        // Sets data source tree
+        dataSourceController.setDataSourceItem(dataSourceUid, createDataSourceItem());
+
+        // Sets data provider
+        dataSourceController.setDataProvider(dataSourceUid, createDataProvider());
+    }
+    else {
+        qCWarning(LOG_MockPlugin()) << tr("Can't access to SciQlop application");
+    }
 }