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Merge pull request #18 from svdo/master

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Objective-C version of Tennis kata
This commit is contained in:
Emily Bache 2013-05-31 23:35:50 -07:00
commit b31a5436cc
15 changed files with 829 additions and 1 deletions
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2
README.md
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@ -6,7 +6,7 @@ This is a collection of starting files for when practicing refactoring.
Contents so far:
- Tennis Kata in Java, Python and C++.
- Tennis Kata in Java, Python, Objective-C and C++.
- Gilded Rose Kata in C++, C#, Java, Python, Smalltalk, C and Ruby. (a C# version together with a starting project is already available on github [here](https://github.com/NotMyself/GildedRose))
- Yahtzee Kata in C#, Java, C++ and Python (the C#, C++ and Java versions are also available in Jon Jagger's Cyberdojo, see [his blog post](http://jonjagger.blogspot.co.uk/2012/05/yahtzee-cyber-dojo-refactoring-in-java.html))

3
Tennis/objc/.gitignore vendored Normal file
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@ -0,0 +1,3 @@
.idea
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305
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9
Tennis/objc/Tennis/TennisGame.h Normal file
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@ -0,0 +1,9 @@
#import <Foundation/Foundation.h>
@interface TennisGame : NSObject
- (id)initWithPlayer1:(NSString *)player1 player2:(NSString *)player2;
- (void)wonPoint:(NSString *)playerName;
- (NSString *)score;
@end

10
Tennis/objc/Tennis/TennisGame.m Normal file
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@ -0,0 +1,10 @@
#import "TennisGame.h"
@implementation TennisGame
- (id)initWithPlayer1:(NSString *)player1 player2:(NSString *)player2 { return [super init]; }
- (void)wonPoint:(NSString *)playerName {}
- (NSString *)score { return nil; }
@end

5
Tennis/objc/Tennis/TennisGame1.h Normal file
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@ -0,0 +1,5 @@
#import <Foundation/Foundation.h>
#import "TennisGame.h"
@interface TennisGame1 : TennisGame
@end

92
Tennis/objc/Tennis/TennisGame1.m Normal file
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@ -0,0 +1,92 @@
#import "TennisGame1.h"
@interface TennisGame1 ()
@property(nonatomic, copy) NSString *player1;
@property(nonatomic, copy) NSString *player2;
@end
@implementation TennisGame1 {
int score1;
int score2;
}
- (id)initWithPlayer1:(NSString *)player1 player2:(NSString *)player2 {
self = [super init];
if (self) {
self.player1 = player1;
self.player2 = player2;
score1 = 0;
score2 = 0;
}
return self;
}
- (void)wonPoint:(NSString *)playerName {
if ([playerName isEqualToString:@"player1"])
score1 += 1;
else
score2 += 1;
}
- (NSString *)score {
NSString *score = @"";
int tempScore=0;
if (score1 == score2)
{
switch (score1)
{
case 0:
score = @"Love-All";
break;
case 1:
score = @"Fifteen-All";
break;
case 2:
score = @"Thirty-All";
break;
case 3:
score = @"Forty-All";
break;
default:
score = @"Deuce";
break;
}
}
else if (score1>=4 || score2>=4)
{
int minusResult = score1-score2;
if (minusResult==1) score = @"Advantage player1";
else if (minusResult ==-1) score = @"Advantage player2";
else if (minusResult>=2) score = @"Win for player1";
else score = @"Win for player2";
}
else
{
for (int i=1; i<3; i++)
{
if (i==1) tempScore = score1;
else { score = [NSString stringWithFormat:@"%@-", score]; tempScore = score2; }
switch(tempScore)
{
case 0:
score = [NSString stringWithFormat:@"%@Love", score];
break;
case 1:
score = [NSString stringWithFormat:@"%@Fifteen", score];
break;
case 2:
score = [NSString stringWithFormat:@"%@Thirty", score];
break;
case 3:
score = [NSString stringWithFormat:@"%@Forty", score];
break;
}
}
}
return score;
}
@end

5
Tennis/objc/Tennis/TennisGame2.h Normal file
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@ -0,0 +1,5 @@
#import <Foundation/Foundation.h>
#import "TennisGame.h"
@interface TennisGame2 : TennisGame
@end

147
Tennis/objc/Tennis/TennisGame2.m Normal file
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@ -0,0 +1,147 @@
#import "TennisGame2.h"
@interface TennisGame2 ()
@property(nonatomic, copy) NSString *player2Name;
@property(nonatomic, copy) NSString *player1Name;
@end
@implementation TennisGame2 {
int P1point;
NSString *P1res;
int P2point;
NSString *P2res;
}
- (id)initWithPlayer1:(NSString *)player1Name player2:(NSString *)player2Name {
self = [super initWithPlayer1:player1Name player2:player2Name];
if (self) {
self.player1Name = player1Name;
self.player2Name = player2Name;
}
return self;
}
- (NSString *)score {
NSString *score = @"";
if (P1point == P2point && P1point < 4)
{
if (P1point==0)
score = @"Love";
if (P1point==1)
score = @"Fifteen";
if (P1point==2)
score = @"Thirty";
if (P1point==3)
score = @"Forty";
score = [NSString stringWithFormat:@"%@-All", score];
}
if (P1point==P2point && P1point>3)
score = @"Deuce";
if (P1point > 0 && P2point==0)
{
if (P1point==1)
P1res = @"Fifteen";
if (P1point==2)
P1res = @"Thirty";
if (P1point==3)
P1res = @"Forty";
P2res = @"Love";
score = [NSString stringWithFormat:@"%@-%@", P1res, P2res];
}
if (P2point > 0 && P1point==0)
{
if (P2point==1)
P2res = @"Fifteen";
if (P2point==2)
P2res = @"Thirty";
if (P2point==3)
P2res = @"Forty";
P1res = @"Love";
score = [NSString stringWithFormat:@"%@-%@", P1res, P2res];
}
if (P1point>P2point && P1point < 4)
{
if (P1point==2)
P1res=@"Thirty";
if (P1point==3)
P1res=@"Forty";
if (P2point==1)
P2res=@"Fifteen";
if (P2point==2)
P2res=@"Thirty";
score = [NSString stringWithFormat:@"%@-%@", P1res, P2res];
}
if (P2point>P1point && P2point < 4)
{
if (P2point==2)
P2res=@"Thirty";
if (P2point==3)
P2res=@"Forty";
if (P1point==1)
P1res=@"Fifteen";
if (P1point==2)
P1res=@"Thirty";
score = [NSString stringWithFormat:@"%@-%@", P1res, P2res];
}
if (P1point > P2point && P2point >= 3)
{
score = @"Advantage player1";
}
if (P2point > P1point && P1point >= 3)
{
score = @"Advantage player2";
}
if (P1point>=4 && P2point>=0 && (P1point-P2point)>=2)
{
score = @"Win for player1";
}
if (P2point>=4 && P1point>=0 && (P2point-P1point)>=2)
{
score = @"Win for player2";
}
return score;
}
-(void)setP1Score:(int)number {
for (int i = 0; i < number; i++)
{
[self P1Score];
}
}
- (void)setP2Score:(int)number {
for (int i = 0; i < number; i++)
{
[self P2Score];
}
}
- (void)P1Score {
P1point++;
}
- (void)P2Score {
P2point++;
}
- (void)wonPoint:(NSString *)playerName {
if ([playerName isEqualToString:@"player1"])
[self P1Score];
else
[self P2Score];
}
@end

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Tennis/objc/Tennis/TennisGame3.h Normal file
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#import <Foundation/Foundation.h>
#import "TennisGame.h"
@interface TennisGame3 : TennisGame
@end

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#import "TennisGame3.h"
@interface TennisGame3 ()
@end
@implementation TennisGame3 {
int p1;
int p2;
NSString *p1N;
NSString *p2N;
}
- (id)initWithPlayer1:(NSString *)ap1N player2:(NSString *)ap2N {
self = [super initWithPlayer1:ap1N player2:ap2N];
if (self) {
p1N = ap1N;
p2N = ap2N;
p1 = 0;
p2 = 0;
}
return self;
}
- (NSString *)score {
NSString *s;
if (p1 < 4 && p2 < 4) {
NSArray* p = @[@"Love", @"Fifteen", @"Thirty", @"Forty"];
s = p[p1];
return (p1 == p2) ? [NSString stringWithFormat:@"%@-All",s] : [NSString stringWithFormat:@"%@-%@",s,p[p2]];
} else {
if (p1 == p2)
return @"Deuce";
s = p1 > p2 ? p1N : p2N;
return ((p1-p2)*(p1-p2) == 1) ? [NSString stringWithFormat:@"Advantage %@",s] : [NSString stringWithFormat:@"Win for %@",s];
}
}
- (void)wonPoint:(NSString *)playerName {
if ([playerName isEqualToString:@"player1"])
p1 += 1;
else
p2 += 1;
}
@end

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Tennis/objc/TennisTests/TennisTests.h Normal file
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#import <SenTestingKit/SenTestingKit.h>
@interface TennisTests : SenTestCase
- (id)initWithInvocation:(NSInvocation *)invocation scores:(NSArray *)scores;
@end

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#import <SenTestingKit/SenTestingKit.h>
#import "TennisTests.h"
#import "TennisGame1.h"
#import "TennisGame2.h"
#import "TennisGame3.h"
@interface TennisTests()
+ (NSArray*)parameters;
@end
@implementation TennisTests (Parametrized)
+ (id)defaultTestSuite {
SenTestSuite *testSuite = [[SenTestSuite alloc] initWithName:NSStringFromClass(self)];
NSArray *allScores = [self parameters];
for (NSArray *scores in allScores) {
[self addTestWithScores:scores toTestSuite:testSuite];
}
return testSuite;
}
+ (void)addTestWithScores:(NSArray *)scores toTestSuite:(SenTestSuite *)testSuite {
NSArray *testInvocations = [self testInvocations];
for (NSInvocation *testInvocation in testInvocations) {
SenTestCase *test = [[TennisTests alloc] initWithInvocation:testInvocation scores:scores];
[testSuite addTest:test];
}
}
@end
@implementation TennisTests {
int player1Score;
int player2Score;
NSString *expectedScore;
}
+ (NSArray*)parameters {
return @[
@[ @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"]
];
}
- (id)initWithInvocation:(NSInvocation *)invocation scores:(NSArray *)scores {
self = [super initWithInvocation:invocation];
if (self) {
player1Score = [scores[0] intValue];
player2Score = [scores[1] intValue];
expectedScore = scores[2];
}
return self;
}
- (NSString *)name {
NSString *parametersDescription = [NSString stringWithFormat:@" (%d,%d,%@)]", player1Score, player2Score, expectedScore];
return [[super name] stringByReplacingOccurrencesOfString:@"]" withString:parametersDescription];
}
- (void)checkAllScoresForGame:(TennisGame *)game {
int highestScore = MAX(player1Score, player2Score);
for (int i = 0; i < highestScore; i++) {
if (i < player1Score)
[game wonPoint:@"player1"];
if (i < player2Score)
[game wonPoint:@"player2"];
}
STAssertEqualObjects([game score], expectedScore, @"");
}
- (void)testAllScoresTennisGame1 {
TennisGame1 * game = [[TennisGame1 alloc] initWithPlayer1:@"player1" player2:@"player2"];
[self checkAllScoresForGame:game];
}
- (void)testAllScoresTennisGame2 {
TennisGame2 * game = [[TennisGame2 alloc] initWithPlayer1:@"player1" player2:@"player2"];
[self checkAllScoresForGame:game];
}
- (void)testAllScoresTennisGame3 {
TennisGame3 * game = [[TennisGame3 alloc] initWithPlayer1:@"player1" player2:@"player2"];
[self checkAllScoresForGame:game];
}
@end