#53 Implemented SQLite product data persistence + tests

src/test/java/de/rwu/easydrop/api/client/DataSourceFactoryTest.java

@@ -1,6 +1,8 @@
 package de.rwu.easydrop.api.client;
 
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.mockito.Mockito.when;
 
 import javax.naming.ConfigurationException;
@@ -9,7 +11,10 @@ import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
+import org.sqlite.SQLiteDataSource;
 
+import de.rwu.easydrop.data.connector.SQLiteConnector;
+import de.rwu.easydrop.exception.PersistenceException;
 import de.rwu.easydrop.util.Config;
 
 class DataSourceFactoryTest {
@@ -45,4 +50,20 @@ class DataSourceFactoryTest {
         // Assert
         assertEquals("ebay-api-key", dataSource.getApiKey());
     }
+
+    @Test
+    void createProductPersistenceDataSource_NullPersistence() {
+        PersistenceException exception = assertThrows(PersistenceException.class, () -> {
+            dataSourceFactory.createProductPersistenceDataSource();
+        });
+
+        assertEquals("Persistence is not set", exception.getMessage());
+    }
+
+    @Test
+    void createProductPersistenceDataSource_WorkingPersistence() {
+        dataSourceFactory.setPersistence(new SQLiteConnector(new SQLiteDataSource()));
+
+        assertDoesNotThrow(() -> dataSourceFactory.createProductPersistenceDataSource());
+    }
 }