diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0a43511..4d9f0a1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,5 +17,7 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 
+enable_testing()
+
 add_subdirectory(src)
-add_subdirectory(test)
\ No newline at end of file
+add_subdirectory(test)
diff --git a/src/core/database.cpp b/src/core/database.cpp
index 1ad5f43..0b3207a 100644
--- a/src/core/database.cpp
+++ b/src/core/database.cpp
@@ -18,4 +18,14 @@ void Database::exec(const std::string& sql)
     if (errCode) {
         throw std::runtime_error("Error in SQL execution.");
     }
+}
+
+void Database::beginTransaction()
+{
+    exec("BEGIN TRANSACTION");
+}
+
+void Database::endTransaction()
+{
+    exec("END TRANSACTION");
 }
\ No newline at end of file
diff --git a/src/core/database.h b/src/core/database.h
index dcb2858..5fcf027 100644
--- a/src/core/database.h
+++ b/src/core/database.h
@@ -15,6 +15,8 @@ public:
     void exec(const std::string& sql);
 private:
     sqlite3 *db;
+    void beginTransaction();
+    void endTransaction();
 };
 
 #endif // DATABASE_H
\ No newline at end of file
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index dde9034..f89cd4a 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,8 +1,9 @@
-enable_testing()
-
 find_package(Boost COMPONENTS filesystem unit_test_framework REQUIRED)
 
-set(TEST_SOURCES test_seller.cpp)
+add_executable(sellertest test_seller.cpp)
+target_link_libraries(sellertest core Boost::boost Boost::filesystem Boost::unit_test_framework)
+add_test(Seller ${CMAKE_BINARY_DIR}/bin/sellertest)
 
-add_executable(testsuite ${TEST_SOURCES})
-target_link_libraries(testsuite core Boost::boost Boost::filesystem Boost::unit_test_framework)
+add_executable(databasetest test_database.cpp)
+target_link_libraries(databasetest core Boost::boost Boost::filesystem Boost::unit_test_framework)
+add_test(Database ${CMAKE_BINARY_DIR}/bin/databasetest)
diff --git a/test/test_database.cpp b/test/test_database.cpp
new file mode 100644
index 0000000..982a174
--- /dev/null
+++ b/test/test_database.cpp
@@ -0,0 +1,11 @@
+#define BOOST_TEST_MODULE database
+
+#include "../src/core/database.h"
+
+#include <boost/test/included/unit_test.hpp>
+
+//using namespace boost::unit_test;
+
+BOOST_AUTO_TEST_CASE( create_database ) {
+    Database db("test.db");
+}
\ No newline at end of file
diff --git a/test/test_seller.cpp b/test/test_seller.cpp
index 456acad..c467906 100644
--- a/test/test_seller.cpp
+++ b/test/test_seller.cpp
@@ -1,7 +1,7 @@
-#include "../src/core/seller.h"
-
 #define BOOST_TEST_MODULE seller
 
+#include "../src/core/seller.h"
+
 #include <boost/test/included/unit_test.hpp>
 
 using namespace boost::unit_test;