Added two Publisher checkers + Tests

projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Games.java

@@ -9,7 +9,7 @@ import java.sql.Statement;
 public class Games {
 	private String databaseURL = "jdbc:ucanaccess://GamesDB.accdb";
 	
-	public boolean checkForConnection() {
+	public boolean checkConnection() {
 		try {
 			Connection connection = DriverManager.getConnection(databaseURL);
 
@@ -21,7 +21,7 @@ public class Games {
 		}
 	}
 	
-	public String checkForConsoles() {
+	public String checkConsoles() {
 		String result = "";
 		String query = "SELECT Game_Console FROM Games";
 		boolean ninSwitch = false;
@@ -71,4 +71,70 @@ public class Games {
 		// The substring removes the last New line in the String.
 		return result.substring(0, result.length() - 2);
 	}
+	
+	public String checkAllSamePublishers() {
+		String result = "";
+		String query = "SELECT Game_Name, Game_Publisher_EU, Game_Publisher_JP, Game_Publisher_NA FROM Games";
+
+		try {
+			Connection connection = DriverManager.getConnection(databaseURL);
+
+			Statement statement = connection.createStatement();
+			ResultSet resultSet = statement.executeQuery(query);
+
+			while (resultSet.next()) {
+					String gameName = resultSet.getString("Game_Name");
+					String gamePublisherEu = resultSet.getString("Game_Publisher_EU");
+					String gamePublisherJp = resultSet.getString("Game_Publisher_JP");
+					String gamePublisherNa = resultSet.getString("Game_Publisher_NA");
+				
+					
+					
+					if (gamePublisherEu.equals(gamePublisherJp) && gamePublisherJp.equals(gamePublisherNa) && gamePublisherEu.equals(gamePublisherNa)) {
+						result += gameName + ", ";
+					}
+			
+			}
+			statement.close();
+			connection.close();
+
+		} catch (SQLException e) {
+			e.printStackTrace();
+		}
+		// The substring removes the last New line in the String.
+		return result.substring(0, result.length() - 2);
+	}
+	
+	public String checkAllDifferentPublishers() {
+		String result = "";
+		String query = "SELECT Game_Name, Game_Publisher_EU, Game_Publisher_JP, Game_Publisher_NA FROM Games";
+
+		try {
+			Connection connection = DriverManager.getConnection(databaseURL);
+
+			Statement statement = connection.createStatement();
+			ResultSet resultSet = statement.executeQuery(query);
+
+			while (resultSet.next()) {
+					String gameName = resultSet.getString("Game_Name");
+					String gamePublisherEu = resultSet.getString("Game_Publisher_EU");
+					String gamePublisherJp = resultSet.getString("Game_Publisher_JP");
+					String gamePublisherNa = resultSet.getString("Game_Publisher_NA");
+				
+					
+					
+					if (!gamePublisherEu.equals(gamePublisherJp) && !gamePublisherJp.equals(gamePublisherNa) && !gamePublisherEu.equals(gamePublisherNa)) {
+						result += gameName + ", ";
+					}
+			
+			}
+			statement.close();
+			connection.close();
+
+		} catch (SQLException e) {
+			e.printStackTrace();
+		}
+		// The substring removes the last New line in the String.
+		return result.substring(0, result.length() - 2);
+	}
 }

projjpn/src/test/java/de/hs_fulda/ciip/projjpn/GamesTest.java

@@ -2,17 +2,31 @@ package de.hs_fulda.ciip.projjpn;
 import junit.framework.TestCase;
 
 public class GamesTest extends TestCase {
-	public void test_checkForConnection() {
+	public void test_checkConnection() {
 		Games testObject = new Games();
 		boolean expected = true;
-		boolean actual = testObject.checkForConnection();
+		boolean actual = testObject.checkConnection();
 		assertEquals(expected, actual);
 	}
 	
-	public void test_checkForConsoles() {
+	public void test_checkConsoles() {
 		Games testObject = new Games();
 		String expected = "PlayStation 4, Multiplatform, Nintendo Switch, Nintendo DS, PlayStation 3, Xbox, PlayStation Portable, Nintendo 3DS, Xbox 360, PlayStation Vita";
-		String actual = testObject.checkForConsoles();
+		String actual = testObject.checkConsoles();
+		assertEquals(expected, actual);
+	}
+	
+	public void test_checkAllSamePublishers() {
+		Games testObject = new Games();
+		String expected = "Ratchet & Clank, Astral Chain, Fire Emblem: Three Houses, Rhythm Paradise, Super Smash Bros. Ultimate, Yakuza: Dead Souls, Jet Set Radio Future, Tomodachi Life, Beautiful Katamari, Crash Bandicoot N. Sane Trilogy";
+		String actual = testObject.checkAllSamePublishers();
+		assertEquals(expected, actual);
+	}
+	
+	public void test_checkAllDifferentPublishers() {
+		Games testObject = new Games();
+		String expected = "Atelier Totori Plus";
+		String actual = testObject.checkAllDifferentPublishers();
 		assertEquals(expected, actual);
 	}
 }