Merge commit '66a8e380b06f8dff28e5871ab298598fb916b7f2' into HEAD

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

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+package de.hs_fulda.ciip.projjpn;
+
+public class Birthdate {
+	private int day;
+	private int month;
+	private int year;
+
+	public Birthdate(int d, int m, int y) {
+		day = d;
+		month = m;
+		year = y;
+	}
+	
+	public int getDay() {
+		return day;
+	}
+
+	public int getMonth() {
+		return month;
+	}
+
+	public int getYear() {
+		return year;
+	}
+
+	/**
+	 * @return Date Format DD.MM.YYYY
+	 */
+	public String toString() {
+		return day + "." + month + "." + year;
+	}
+	
+	/**
+	 * 
+	 * @param d Day
+	 * @param m Month
+	 * @param y Year
+	 */
+	public void changeBirthdate(int d, int m, int y) {
+		day = d;
+		month = m;
+		year = y;
+	}
+	
+	public boolean isValid(int DD, int MM, int YYYY) {
+		if (DD < 1 || DD > 31) {
+			return false;
+		}
+		if (MM < 1 || MM > 12) {
+			return false;
+		}
+		if (YYYY < 1990 || YYYY > 2022) {
+			return false;
+		}
+		
+		return true;
+	}
+
+}

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

@@ -0,0 +1,31 @@
+package de.hs_fulda.ciip.projjpn;
+
+import java.util.HashMap;
+
+public class Customers {
+	HashMap<String, User> pool = new HashMap<String, User>();
+	
+	public boolean nickNameAvailable(String nickname) {
+		User u = pool.get(nickname);
+		if (null == u) {
+			return true;
+		}
+		return false;
+	}
+	
+	public User registerUser(User user) {
+		return pool.putIfAbsent(user.nickName, user);
+	}
+	
+	public User deleteUser(String userNickname) {
+		return pool.remove(userNickname);
+	}
+	
+	public User getByNickname(String nickname) {
+		return pool.get(nickname);
+	}
+	
+	public int getCountOfUsers() {
+		return pool.size();
+	}
+}

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

@@ -0,0 +1,41 @@
+package de.hs_fulda.ciip.projjpn;
+
+public class User {
+	String firstName;
+	String lastName;
+	String nickName;
+	String eMail;
+	Birthdate birthdate;
+	
+	public User(String firstName, 
+				String lastName, 
+				String nickName, 
+				String eMail, 
+				Birthdate birthdate) {
+		this.firstName = firstName;
+		this.lastName = lastName;
+		this.nickName = nickName;
+		this.eMail = eMail;
+		this.birthdate = birthdate;
+	}
+
+	public User(String nickName) {
+		this.nickName = nickName;
+	}
+	
+	public String getFirstName() {
+		return firstName;
+	}
+	public String getLastName() {
+		return lastName;
+	}
+	public String getNickName() {
+		return nickName;
+	}
+	public String getEMail() {
+		return eMail;
+	}
+	public Birthdate getBirthdate() {
+		return birthdate;
+	}
+}

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

@@ -0,0 +1,63 @@
+package de.hs_fulda.ciip.projjpn;
+
+import junit.framework.TestCase;
+
+public class BirthdateTest extends TestCase {
+
+	public void testToString() {
+		
+		// Given
+		Birthdate b = new Birthdate(1, 1, 2000);
+		
+		// When
+		String expectedDate = "1.1.2000";
+		
+		// Then
+		assertEquals(expectedDate, b.toString());
+	}	
+	
+	public void test_changeBirthdate() {
+		// Given
+		Birthdate b = new Birthdate(1, 1, 2000);
+		
+		// Change Birthdate
+		b.changeBirthdate(2, 3, 2001);
+		
+		// When
+		int expectedDay = 2;
+		int expectedMonth = 3;
+		int expectedYear = 2001;
+		
+		// Then
+		assertEquals(2, b.getDay());
+		assertEquals(3, b.getMonth());
+		assertEquals(2001, b.getYear());
+	}
+	
+	public void test_rejectInvalidBirthday() {
+		Birthdate birthdate = new Birthdate(0, 0, 0);
+		boolean expectedResult = false;
+		boolean gotResult = birthdate.isValid(0, 0, 0);
+		assertEquals(expectedResult, gotResult);
+		
+		gotResult = birthdate.isValid(32, 13, 1990);
+		assertEquals(expectedResult, gotResult);
+		
+		gotResult = birthdate.isValid(31, 0, 1980);
+		assertEquals(expectedResult, gotResult);
+		
+		gotResult = birthdate.isValid(31, 13, 1980);
+		assertEquals(expectedResult, gotResult);
+		
+		gotResult = birthdate.isValid(1, 1, 3000);
+		assertEquals(expectedResult, gotResult);
+		
+		gotResult = birthdate.isValid(1, 1, 1900);
+		assertEquals(expectedResult, gotResult);
+		
+		expectedResult = true;
+		gotResult = birthdate.isValid(1, 5, 2020);
+		assertEquals(expectedResult, gotResult);
+	}
+	
+}

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

@@ -0,0 +1,162 @@
+package de.hs_fulda.ciip.projjpn;
+
+import junit.framework.TestCase;
+
+public class CustomersTest extends TestCase {
+
+	public void test_nicknameIsFree() {
+		// Given
+		Customers customers = new Customers();
+		String availableNickname = "beastMaster64";
+		
+		// When
+		boolean nicknameIsAvailable = customers.nickNameAvailable(availableNickname);
+		
+		// Then
+		assertTrue(nicknameIsAvailable);
+	}
+	
+	public void test_nicknameIsTaken() {
+		// Given
+		Customers customers = new Customers();
+		String availableNickname = "beastMaster64";
+		String takenNickname = "beastMaster64";
+		User userToRegister = new User(availableNickname);
+		
+		customers.registerUser(userToRegister);
+		
+		// When
+		boolean nicknameIsTaken = customers.nickNameAvailable(availableNickname);
+		
+		// Then
+		assertFalse(nicknameIsTaken);
+	}
+	
+	public void test_registerSingleUser() {
+		// Given
+		Customers customers = new Customers();
+		String expectedNickNameInput = "Mougli";
+		User expectedNewUser = new User(expectedNickNameInput);
+		
+		// Add a user
+		customers.registerUser(expectedNewUser);
+		
+		// Get the expected User
+		User expectedUser = customers.getByNickname(expectedNickNameInput);
+		//
+		assertNotNull(expectedNewUser);
+		String expectedNickNameGotBack = expectedUser.nickName;
+		
+		// When
+		boolean userRegistered = expectedNickNameGotBack.equals(expectedNickNameInput);
+				
+		// Then
+		assertTrue(userRegistered);
+	}
+	
+	/**
+	 * Register multiple Users and then search for them in the same order.
+	 */
+	public void test_registerMultipleUsers() {
+		// Given
+		Customers customers = new Customers();
+		String[] expectedNickNamesInput = {"Mougli", "Tarkan", "beastMaster64", "BlaBlaPew", "MuchDoge_321"};
+		User[] expectedNewUsers = new User[expectedNickNamesInput.length];
+		
+		for (int i = 0; i < expectedNickNamesInput.length; i++) {
+			// Create user
+			expectedNewUsers[i] = new User(expectedNickNamesInput[i]);
+			
+			// Add user
+			customers.registerUser(expectedNewUsers[i]);
+		}
+		
+		// Get the expected Users
+		User foundUser;
+		String expectedNickNameGotBack;
+		boolean userRegistered;
+		
+		for (int i = 0; i < expectedNickNamesInput.length; i++) {
+			// Get user
+			foundUser = customers.getByNickname(expectedNickNamesInput[i]);
+			assertNotNull(foundUser);
+			
+			// When
+			expectedNickNameGotBack = foundUser.nickName;
+			userRegistered = expectedNickNameGotBack.equals(expectedNickNamesInput[i]);
+			
+			// Then
+			assertTrue(userRegistered);
+		}
+	}
+
+	public void test_removeRegisteredUser() {
+		// Given
+		Customers customers = new Customers();
+		String userToRemove = "beastMaster64";
+		User userToRegister = new User("beastMaster64");
+		customers.registerUser(userToRegister);
+		
+		// When
+		boolean userExists = customers.nickNameAvailable(userToRemove);
+		assertFalse(userExists);
+		
+		// Then
+		User removedUser = customers.deleteUser(userToRemove);
+		assertEquals(userToRemove, removedUser.nickName);
+		
+	}
+	
+	public void test_registerAndCountUsers() {
+		// Given
+		Customers customers = new Customers();
+		int expectedRegisteredUsers = 20;
+		int actualRegisteredUsers = -1;
+		String nickname;
+		
+		// Prepare
+		for(int i = 0, j = 1; i < expectedRegisteredUsers; i++, j++) {
+			nickname = "beastMaster_" + j;
+			customers.registerUser(new User(nickname));
+		}
+		actualRegisteredUsers = customers.getCountOfUsers();
+		assertEquals(expectedRegisteredUsers, actualRegisteredUsers);
+	}
+	
+	public void test_createRegisterAndCheckUserData() {
+		// Given
+		Customers customers = new Customers();
+		
+		String firstName = "Mia";
+		String lastName = "Muster";
+		String nickName = "harley";
+		String eMail = "mia@muster.de";
+		Birthdate birthdate = new Birthdate(30, 12, 1997);
+		
+		User userToCheck = new User(firstName, lastName, nickName, eMail, birthdate);
+		
+		// Register User
+		customers.registerUser(userToCheck);
+		
+		User gotUser = customers.getByNickname(nickName);
+		
+		assertNotNull(gotUser);
+		
+		// When
+		boolean correctFirstName = "Mia".equals(gotUser.getFirstName());
+		boolean correctLastName = "Muster".equals(gotUser.getLastName());
+		boolean correctNickName = "harley".equals(gotUser.getNickName());
+		boolean correctEMail = "mia@muster.de".equals(gotUser.getEMail());
+		boolean correctBirthdate = birthdate.toString().equals(gotUser.birthdate.toString());
+		
+		// Then
+		assertTrue(correctFirstName);
+		assertTrue(correctLastName);
+		assertTrue(correctNickName);
+		assertTrue(correctEMail);
+		assertTrue(correctBirthdate);
+				
+	}
+
+	
+}

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

@@ -0,0 +1,20 @@
+package de.hs_fulda.ciip.projjpn;
+
+import junit.framework.TestCase;
+
+public class UserTest extends TestCase {
+	public void test_initAndGetBirthdayOfUser() {
+		// Given
+		Customers customers = new Customers();
+		String firstName = "Mia";
+		String lastName = "Muster";
+		String nickName = "harley";
+		String eMail = "mia@muster.de";
+		int DD = 30, MM = 12, YYYY = 1997;
+		String expectedBirthdate = new Birthdate(DD, MM, YYYY).toString();
+		
+		User userToCheck = new User(firstName, lastName, nickName, eMail, new Birthdate(DD, MM, YYYY));
+		String gotBirthdate = userToCheck.getBirthdate().toString();
+		boolean gotExpectedBirthdayBack = gotBirthdate.equals(expectedBirthdate);
+	}
+}