KeyValueObjectMapping/KeyValueObjectMappingTests/DCArrayOfTweetsOnUserTests.m at 530ce2d93399b5c96083683516c5f63cf8a4743b · dchohfi/KeyValueObjectMapping · GitHub

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//
//  DCArrayOfTweetsOnUserTests.m
//  DCKeyValueObjectMappingTests
//
//  Created by Diego Chohfi on 4/16/12.
//  Copyright (c) 2012 dchohfi. All rights reserved.
//

#import "DCArrayOfTweetsOnUserTests.h"
#import "DCKeyValueObjectMapping.h"
#import "DCArrayMapping.h"
#import "DCParserConfiguration.h"
#import "Tweet.h"
#import "User.h"

@interface DCArrayOfTweetsOnUserTests()

@property(nonatomic, strong) NSMutableDictionary *jsonParsed;

@end

@implementation DCArrayOfTweetsOnUserTests
@synthesize jsonParsed;

-(void)setUp{
    [super setUp];
    NSString *caminhoJson = [[NSBundle
                              bundleForClass: [self class]]
                             pathForResource:@"user"
                             ofType:@"json"];

    NSData *data = [NSData dataWithContentsOfFile:caminhoJson];

    NSError *error;
    jsonParsed = [NSJSONSerialization JSONObjectWithData:data
                                                 options:NSJSONReadingMutableContainers
                                                   error:&error];
}

- (void) testShouldCreateAnUserWithTweets {

    DCArrayMapping *mapper = [DCArrayMapping mapperForClassElements:[Tweet class]
                                                       forAttribute:@"tweets"
                                                            onClass:[User class]];

    DCParserConfiguration *configuration = [DCParserConfiguration configuration];
    [configuration addArrayMapper:mapper];

    DCKeyValueObjectMapping *parser = [DCKeyValueObjectMapping mapperForClass:[User class]
                                                             andConfiguration:configuration];
    User *user = [parser parseDictionary:jsonParsed];
    STAssertNotNil(user.tweets, @"Tweets should not be nil");
    STAssertEquals((int)user.tweets.count, 2, @"Should have 2 tweets on array of tweets");
}

- (void) testShouldCreateAnUserWithOneImplicitTweet {

    DCArrayMapping *mapper = [DCArrayMapping mapperForClassElements:[Tweet class]
                                                       forAttribute:@"tweets"
                                                            onClass:[User class]];

    DCParserConfiguration *configuration = [DCParserConfiguration configuration];
    [configuration addArrayMapper:mapper];

    DCKeyValueObjectMapping *parser = [DCKeyValueObjectMapping mapperForClass:[User class]
                                                             andConfiguration:configuration];

    NSArray *tweetArray = [jsonParsed valueForKey:@"tweets"];
    Tweet *tweet = [tweetArray objectAtIndex:0];
    [jsonParsed setValue:tweet forKey:@"tweets"];
    User *user = [parser parseDictionary:jsonParsed];
    STAssertNotNil(user.tweets, @"Tweets should not be nil");
    STAssertEquals((int)user.tweets.count, 1, @"Should have 1 tweet on array of tweets");
}

- (void) testShouldCreateUserWithNilOnTweetsArray{
    DCObjectMapping *objectMapping = [DCObjectMapping mapKeyPath:@"tweets_nullable"
                                                     toAttribute:@"tweets"
                                                         onClass:[User class]];

    DCArrayMapping *mapper = [DCArrayMapping mapperForClass:[Tweet class]
                                                  onMapping:objectMapping];

    DCParserConfiguration *configuration = [DCParserConfiguration configuration];
    [configuration addArrayMapper:mapper];

    NSMutableDictionary *copy = [jsonParsed mutableCopy];
    [copy removeObjectForKey:@"tweets"];

    DCKeyValueObjectMapping *parser = [DCKeyValueObjectMapping mapperForClass:[User class]
                                                             andConfiguration:configuration];

    User *user = [parser parseDictionary:copy];
    STAssertEqualObjects(user.tweets, nil, @"Tweets should be nil", nil);
}

- (void) testShouldCreateUserWithEmptyTweetsOnArray{
    DCObjectMapping *objectMapping = [DCObjectMapping mapKeyPath:@"tweets_empty"
                                                     toAttribute:@"tweets"
                                                         onClass:[User class]];

    DCArrayMapping *mapper = [DCArrayMapping mapperForClass:[Tweet class]
                                                  onMapping:objectMapping];

    DCParserConfiguration *configuration = [DCParserConfiguration configuration];
    [configuration addArrayMapper:mapper];

    NSMutableDictionary *copy = [jsonParsed mutableCopy];
    [copy removeObjectForKey:@"tweets"];

    DCKeyValueObjectMapping *parser = [DCKeyValueObjectMapping mapperForClass:[User class]
                                                             andConfiguration:configuration];

    User *user = [parser parseDictionary:copy];
    NSArray *tweets = user.tweets;
    STAssertNotNil(tweets, @"Tweets should be nil");
    STAssertEquals((int)[tweets count], (int)0, @"Tweets length should be 0");
}

@end