src/main/java/hhn/temp/project/provider/Database.java

@@ -7,4 +7,5 @@ import java.sql.SQLException;
 public interface Database {
   public void connect() throws SQLException, IOException;
   public void close() throws SQLException;
+  public void clearDatabase() throws SQLException;
 }

src/main/java/hhn/temp/project/provider/DatabaseManager.java

@@ -9,6 +9,6 @@ import java.util.Collection;
 public interface DatabaseManager<E> extends Database {
   public void saveObjects(Collection<E> objects) throws ExecutionControl.NotImplementedException, IOException, SQLException;
   public Collection<E> getObjects() throws ExecutionControl.NotImplementedException;
-  public void saveObject(E object) throws ExecutionControl.NotImplementedException, IOException, SQLException;
-  public E getObject(int id) throws ExecutionControl.NotImplementedException;
+  public void saveObject(E object) throws IOException, SQLException;
+  public E getObject(int id) throws SQLException;
 }

src/main/java/hhn/temp/project/provider/sql/insertTaskTable.sql

@@ -1 +1 @@
-INSERT INTO Task (name, description, workerid, taskstate) VALUES (?, ?, ?, ?)
+INSERT INTO Task (taskid, name, description, workerid, taskstate) VALUES (?, ?, ?, ?, ?)

test/hhn/temp/project/DatabaseGoodCasesTest.java

@@ -7,8 +7,12 @@ import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 
+import static org.junit.jupiter.api.Assertions.*;
+
 import java.io.IOException;
 import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Collection;
 
 public class DatabaseGoodCasesTest {
 
@@ -16,23 +20,37 @@ public class DatabaseGoodCasesTest {
   private AssignmentManager manager;
 
   @BeforeEach
-  public void setup() {
+  public void setup() throws SQLException, IOException {
     databaseManager = new SimpleDatabaseManager<>();
+    databaseManager.connect();
+    databaseManager.clearDatabase();
     manager = new AssignmentManager();
   }
 
   @Test
   @DisplayName("Assert that the TestClass could be inserted into the database")
-  public void assertGetTestClass() throws SQLException, IOException, ExecutionControl.NotImplementedException {
+  public void assertGetTestClass() throws SQLException, IOException {
 
     databaseManager.connect();
-    Task task = databaseManager.getObject(1);
+
+    Task task = new Task(1, 1, "hi", "hi");
+
+    databaseManager.saveObject(task);
+
+    Task taskNew = databaseManager.getObject(1);
+
+    assertEquals(task.getTaskId(), taskNew.getTaskId());
+    assertEquals(task.getName(), taskNew.getName());
+    assertEquals(task.getDescription(), taskNew.getDescription());
+    assertEquals(task.getWorkerId(), taskNew.getWorkerId());
+    assertEquals(task.getTaskState(), taskNew.getTaskState());
+
     databaseManager.close();
   }
 
   @Test
   @DisplayName("Assert that a simple Task could be inserted into the database")
-  public void assertInsertTestClass() throws SQLException, IOException, ExecutionControl.NotImplementedException {
+  public void assertInsertTask() throws SQLException, IOException, ExecutionControl.NotImplementedException {
 
     Task testTask = new Task(1, 1, "Hello World", "Description");
 
@@ -42,9 +60,20 @@ public class DatabaseGoodCasesTest {
   }
 
   @Test
-  @DisplayName("Assert connecting to database")
-  public void assertConnectToDatabase() throws SQLException, IOException {
+  @DisplayName("Assert that simple Tasks could be inserted into the database")
+  public void assertInsertMultipleTasks() throws SQLException, IOException, ExecutionControl.NotImplementedException {
+
+    Task testTaskZero = new Task(1, 1, "Hello", "Description");
+    Task testTaskOne = new Task(2, 2, "World", "Description");
+    Task testTaskTwo = new Task(3, 3, "Hello World", "Description");
+
+    Collection<Task> tasks = new ArrayList<>();
+    tasks.add(testTaskZero);
+    tasks.add(testTaskOne);
+    tasks.add(testTaskTwo);
+
     databaseManager.connect();
+    databaseManager.saveObjects(tasks);
     databaseManager.close();
   }
 }