GildedRose-Refactoring-Kata/Tennis/java/factored1/TennisTest.java

package factored1;

import static org.junit.Assert.*;

import java.util.Arrays;
import java.util.Collection;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

@RunWith(Parameterized.class)
public class TennisTest {

	private int player1Score;
	private int player2Score;
	private String expectedScore;

	public TennisTest(int player1Score, int player2Score, String expectedScore) {
		this.player1Score = player1Score;
		this.player2Score = player2Score;
		this.expectedScore = expectedScore;
	}
	
	@Parameters
	public static Collection<Object[]> getAllScores() {
		return Arrays.asList(new Object[][] {
				{ 0, 0, "Love-All" },
				{ 1, 1, "Fifteen-All" },
				{ 2, 2, "Thirty-All"},
				{ 3, 3, "Forty-All"},
				{ 4, 4, "Deuce"},
				
				{ 1, 0, "Fifteen-Love"},
				{ 0, 1, "Love-Fifteen"},
				{ 2, 0, "Thirty-Love"},
				{ 0, 2, "Love-Thirty"},
				{ 3, 0, "Forty-Love"},
				{ 0, 3, "Love-Forty"},
				{ 4, 0, "Win for player1"},
				{ 0, 4, "Win for player2"},
				
				{ 2, 1, "Thirty-Fifteen"},
				{ 1, 2, "Fifteen-Thirty"},
				{ 3, 1, "Forty-Fifteen"},
				{ 1, 3, "Fifteen-Forty"},
				{ 4, 1, "Win for player1"},
				{ 1, 4, "Win for player2"},

				{ 3, 2, "Forty-Thirty"},
				{ 2, 3, "Thirty-Forty"},
				{ 4, 2, "Win for player1"},
				{ 2, 4, "Win for player2"},
				
				{ 4, 3, "Advantage player1"},
				{ 3, 4, "Advantage player2"},
				{ 5, 4, "Advantage player1"},
				{ 4, 5, "Advantage player2"},
				{ 15, 14, "Advantage player1"},
				{ 14, 15, "Advantage player2"},

				{ 6, 4, "Win for player1"},
				{ 4, 6, "Win for player2"},
				{ 16, 14, "Win for player1"},
				{ 14, 16, "Win for player2"},
		});
	}

	@Test
	public void checkAllScores() {
		TennisGame game = new TennisGame("player1", "player2");
		int highestScore = Math.max(this.player1Score, this.player2Score);
		for (int i = 0; i < highestScore; i++) {
		    if (i < this.player1Score)
		        game.wonPoint("player1");
		    if (i < this.player2Score)
		        game.wonPoint("player2");
		}
		assertEquals(this.expectedScore, game.getScore());
	}
	
	@Test
	public void realisticGame() {
		TennisGame game = new TennisGame("player1", "player2");
		String[] points =          {"player1", "player1", "player2", "player2", "player1", "player1"};
		String[] expected_scores = {"Fifteen-Love", "Thirty-Love", "Thirty-Fifteen", "Thirty-All", "Forty-Thirty", "Win for player1"};
		for (int i = 0; i < 6; i++) {
			game.wonPoint(points[i]);
			assertEquals(expected_scores[i], game.getScore());
		}
		
		
	}

}