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Included session 3 code

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This commit is contained in:
Christian Ohlsson
2015-04-30 14:55:31 +02:00
parent dbc59dd03a
commit 74561c9952
8 changed files with 5 additions and 365 deletions
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262
PokerKata/src/session3/PokerGame.java Normal file → Executable file
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@@ -1,266 +1,5 @@
package session3; package session3;
<<<<<<< HEAD
import java.util.Arrays;
/**
* Gives you a score with a hand of poker
*
* @author crille
*
* Spades Hearts Clubs Diamonds
*
* Jack Queen King Ace /* 8. Straight Flush 7. Four of a kind 6. Full
* House 5. Flush 4. Straight 3. Three of a Kind 2. Two Pairs 1. Pair 0.
* Nothing
*/
public class PokerGame {
static int NUM_OF_CARDS = 5;
public int getScore(String hand) {
int score = 0;
int[] values = new int[NUM_OF_CARDS];
char[] colors = getColors(hand);
values = getValues(hand);
if (findStraightFlush(values, colors) == true)
score = 8;
else if (findFourOfAKind(values) == true)
score = 7;
else if (findFullHouse(values) == true)
score = 6;
else if (findFlush(colors) == true)
score = 5;
else if (findStraight(values) == true)
score = 4;
else if (findThreeOfAKind(values) == true)
score = 3;
else if (findTwoPairs(values) == true)
score = 2;
else if (findPair(values) == true)
score = 1;
else
score = 0;
return score;
}
/**
* Finds a pair by looking if two cards next to each other has the same
* value
*
* @param hand
* @return true if there is a pair, otherwise false
*/
private boolean findPair(int[] values) {
// Loop again, find pair
for (int i = 0; i < NUM_OF_CARDS - 1; i++) {
if (values[i] == values[i + 1])
return true;
}
return false;
}
/**
* Finds a pair by looking if three cards next to each other has the same
* value
*
* @param hand
* @return true if there is a Three of a kind, otherwise false
*/
private boolean findThreeOfAKind(int[] values) {
// Loop again, find three of a kind
for (int i = 0; i < NUM_OF_CARDS - 2; i++) {
if (values[i] == values[i + 1] && values[i + 1] == values[i + 2])
return true;
}
return false;
}
/**
* Finds two pairs by looking for a pair, and them look if the remaining
* cards is a pair
*
* @param hand
* @return true if there is two pairs, otherwise false
*/
private boolean findTwoPairs(int[] values) {
try {
// Loop again, find pair
for (int i = 0; i < NUM_OF_CARDS - 1; i++) {
if (values[i] == values[i + 1]) {
if (values[i + 2] == values[i + 3]
|| values[i + 3] == values[i + 4]) {
return true;
}
}
}
}
catch (ArrayIndexOutOfBoundsException e) {
return false;
}
return false;
}
/**
* Finds Four of a kind by first finding Three of a kind and then looks if
* one of the remaining cards matches
*
* @param hand
* @return true if there is a Four of a kind, otherwise false
*/
private boolean findFourOfAKind(int[] values) {
// Loop again, find three of a kind
for (int i = 0; i < NUM_OF_CARDS - 2; i++) {
if (values[i] == values[i + 1] && values[i + 1] == values[i + 2]
&& values[i + 2] == values[i + 3])
return true;
}
return false;
}
/**
* Finds a Full house. We have a Full House if the first and last two cards
* are a pair, and the middle card has same value as either of them (is
* three of a kind)
*
* @param hand
* @return true if there is a Full House, otherwise false
*/
private boolean findFullHouse(int[] values) {
if (values[0] == values[1] && values[3] == values[4]
&& (values[0] == values[2] || values[2] == values[3]))
return true;
return false;
}
/**
* Finds a Flush by looking if all cards has the same colors
*
* @param hand
* @return true if there is a flush, otherwise false
*/
private boolean findFlush(char[] colors) {
// Loop again, find pair
if (colors[0] == colors[1] && colors[1] == colors[2]
&& colors[2] == colors[3] && colors[3] == colors[4])
return true;
return false;
}
/**
* Finds a Straight by looking if the value of the next card is 1 higher
* throughout all the cards
*
* @param values
* @return true if there is a straight, otherwise false
*/
private boolean findStraight(int[] values) {
for (int i = 0; i < NUM_OF_CARDS - 1; i++)
if (values[i + 1] != values[i] + 1)
return false;
return true;
}
/**
* Finds a Straight Flush by first looking for a Straight and then the Flush
*
* @param values
* @param colors
* @return
*/
private boolean findStraightFlush(int[] values, char[] colors) {
for (int i = 0; i < NUM_OF_CARDS - 1; i++)
if (values[i + 1] != values[i] + 1)
return false;
if (colors[0] == colors[4])
return true;
else
return false;
}
/**
* Extracts all the values from the given String (hand)
*
* @param hand
* @return The values of all the cards
*/
private int[] getValues(String hand) {
int[] values = new int[NUM_OF_CARDS];
// Remove all colors
hand = hand.replace("S", "");
hand = hand.replace("H", "");
hand = hand.replace("C", "");
hand = hand.replace("D", "");
// J Q K A
// Find all values
for (int i = 0; i < NUM_OF_CARDS; i++) {
if (hand.charAt(i) == '2')
values[i] = 2;
else if (hand.charAt(i) == '3')
values[i] = 3;
else if (hand.charAt(i) == '4')
values[i] = 4;
else if (hand.charAt(i) == '5')
values[i] = 5;
else if (hand.charAt(i) == '6')
values[i] = 6;
else if (hand.charAt(i) == '7')
values[i] = 7;
else if (hand.charAt(i) == '8')
values[i] = 8;
else if (hand.charAt(i) == '9')
values[i] = 9;
else if (hand.charAt(i) == '1') {
values[i] = 10;
i++;
}
else if (hand.charAt(i) == 'J')
values[i] = 11;
else if (hand.charAt(i) == 'Q')
values[i] = 12;
else if (hand.charAt(i) == 'K')
values[i] = 13;
else if (hand.charAt(i) == 'A')
values[i] = 14;
}
Arrays.sort(values);
return values;
}
/*
* Gammal char-version
*
* private char[] getValues(String hand) { char[] values = "".toCharArray();
* String temp = "";
*
* // Find all values for (int i = 1; i < hand.length(); i += 2) { temp +=
* hand.charAt(i); } values = temp.toCharArray(); Arrays.sort(values);
* return values; }
*/
/**
* Extracts all the colors from the given String (hand)
*
* @param hand
* @return The colors of all the cards
*/
private char[] getColors(String hand) {
char[] colors = "".toCharArray();
String temp = "";
// Find all values
for (int i = 0; i < hand.length() - 1; i += 2) {
temp += hand.charAt(i);
=======
public class PokerGame { public class PokerGame {
public Player calculateWinningPlayer(Player left, Player right) { public Player calculateWinningPlayer(Player left, Player right) {
@@ -273,7 +12,6 @@ public class PokerGame {
Player pairResult = PairRule.compare(left, right); Player pairResult = PairRule.compare(left, right);
if(pairResult != null){ if(pairResult != null){
return pairResult; return pairResult;
>>>>>>> origin/master
} }
return HighCardRule.compare(left, right); return HighCardRule.compare(left, right);

0
PokerKata/test/session3/CardTest.java Normal file → Executable file
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0
PokerKata/test/session3/HighCardRuleTest.java Normal file → Executable file
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0
PokerKata/test/session3/PairRuleTest.java Normal file → Executable file
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0
PokerKata/test/session3/PlayerTest.java Normal file → Executable file
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0
PokerKata/test/session3/PokerGameComparatorTest.java Normal file → Executable file
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99
PokerKata/test/session3/PokerGameTest.java Normal file → Executable file
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@@ -6,63 +6,15 @@ import org.junit.Ignore;
import org.junit.Test; import org.junit.Test;
public class PokerGameTest { public class PokerGameTest {
<<<<<<< HEAD
PokerGame myGame = new PokerGame();
@Test
public void nothing_gives_0() throws Exception {
String hand = "S2H3C4D5S7";
int result = myGame.getScore(hand);
assertEquals(0, result);
}
@Test
public void pair_gives_1() throws Exception {
String hand = "S3H3C4D5S8";
int result = myGame.getScore(hand);
assertEquals(1, result);
}
@Test
public void two_pairs_gives_2() throws Exception {
String hand = "S3H3C9D5S5";
int result = myGame.getScore(hand);
assertEquals(2, result);
}
@Test
public void three_of_a_kind_gives_3() throws Exception {
String hand = "S8H8C8D3S4";
=======
@Test @Test
public void green_wins_with_highest_card() { public void green_wins_with_highest_card() {
Player green = new Player("Green", "2S 3C 4D 7H AH"); Player green = new Player("Green", "2S 3C 4D 7H AH");
Player white = new Player("White", "3S 4C 5D 6H KH"); Player white = new Player("White", "3S 4C 5D 6H KH");
PokerGame game = new PokerGame(); PokerGame game = new PokerGame();
>>>>>>> origin/master
Player winningPlayer = game.calculateWinningPlayer(green, white); Player winningPlayer = game.calculateWinningPlayer(green, white);
<<<<<<< HEAD
assertEquals(3, result);
}
@Test
@Ignore
public void straight_gives_4() throws Exception {
String hand = "K2S3H4R5R6";
int result = myGame.getScore(hand);
assertEquals(4, result);
=======
assertEquals("Green", winningPlayer.getPlayerName()); assertEquals("Green", winningPlayer.getPlayerName());
} }
@@ -75,59 +27,9 @@ public class PokerGameTest {
Player winningPlayer = game.calculateWinningPlayer(green, white); Player winningPlayer = game.calculateWinningPlayer(green, white);
assertEquals("White", winningPlayer.getPlayerName()); assertEquals("White", winningPlayer.getPlayerName());
>>>>>>> origin/master
} }
@Test @Test
<<<<<<< HEAD
@Ignore
public void flush_gives_5() throws Exception {
String hand = "S2S6S7S8S9";
int result = myGame.getScore(hand);
assertEquals(5, result);
}
@Test
@Ignore
public void full_house_gives_6() throws Exception {
String hand = "S2K2R2H7S7";
int result = myGame.getScore(hand);
assertEquals(6, result);
}
@Test
@Ignore
public void four_of_a_kind_gives_7() throws Exception {
String hand = "S2K2R2H2S7";
int result = myGame.getScore(hand);
assertEquals(7, result);
}
@Test
@Ignore
public void straight_flush_gives_8() throws Exception {
String hand = "K2K3K4K5K6";
int result = myGame.getScore(hand);
assertEquals(8, result);
}
@Test
@Ignore
public void royal_straight_flush_gives_9() throws Exception {
String hand = "R10RKRDRKRE";
int result = myGame.getScore(hand);
assertEquals(9, result);
=======
public void two_pair_beats_one_pair() throws Exception { public void two_pair_beats_one_pair() throws Exception {
Player green = new Player("Green", "6S 6C 4D 7H AH"); Player green = new Player("Green", "6S 6C 4D 7H AH");
Player white = new Player("White", "3S 3C 5D 5H KH"); Player white = new Player("White", "3S 3C 5D 5H KH");
@@ -136,6 +38,5 @@ public class PokerGameTest {
Player winningPlayer = game.calculateWinningPlayer(green, white); Player winningPlayer = game.calculateWinningPlayer(green, white);
assertEquals("White", winningPlayer.getPlayerName()); assertEquals("White", winningPlayer.getPlayerName());
>>>>>>> origin/master
} }
} }

9
PokerKata/test/session3/TwoPairRuleTest.java Normal file → Executable file
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@@ -1,7 +1,8 @@
package session3; package session3;
import src.session3.Player; import static org.junit.Assert.*;
import src.session3.TwoPairRule;
import org.junit.Test;
public class TwoPairRuleTest { public class TwoPairRuleTest {
@@ -26,7 +27,7 @@ public class TwoPairRuleTest {
assertEquals("Green", winningPlayer.getPlayerName()); assertEquals("Green", winningPlayer.getPlayerName());
} }
@Test @Test
public void first_pair_tie_second_pair_highest_wins() throws Exception { public void first_pair_tie_second_pair_highest_wins() throws Exception {
Player green = new Player("Green", "9S 9C 6D 6H AH"); Player green = new Player("Green", "9S 9C 6D 6H AH");
@@ -34,6 +35,6 @@ public class TwoPairRuleTest {
Player winningPlayer = TwoPairRule.compare(white, green); Player winningPlayer = TwoPairRule.compare(white, green);
assertEquals("Green", winningPlayer.getPlayerName()); assertEquals("Green", winningPlayer.getPlayerName());
} }
} }