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

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);
	}
	
	/**
	 * Register a user only when the given nickname is available.
	 */
	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);
	}
	
	/**
	 * Register a single user and check whether it worked.
	 */
	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);
		}
	}

	/**
	 * Test if deletion of an allready registered customer works.
	 */
	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);
		
	}
	
	/**
	 * Register a given number of users.
	 */
	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);
	}
	
	/**
	 * Check if the Registration of a User works as intended.
	 */
	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);
				
	}

	
}