BONTextableTestCase.m

//
//  BONTextableTestCase.m
//  BonMot
//
//  Created by Zev Eisenberg on 10/9/15.
//  Copyright © 2015 Zev Eisenberg. All rights reserved.
//

#import "BONBaseTestCase.h"

@import BonMot;

@interface BONTextableTestCase : BONBaseTestCase

@end

@implementation BONTextableTestCase

- (void)testConcatenation
{
    BONChain *chain = BONChain.new.string(@"Hello, ");
    [chain appendLink:BONChain.new.string(@"world!")];

    NSAttributedString *attributedString = chain.attributedString;

    XCTAssertEqualObjects(attributedString.string, @"Hello, world!");

    NSParagraphStyle *defaultParagraphStyle = [[NSParagraphStyle alloc] init];

    NSDictionary *controlAttributes = @{
        BONValueFromRange(0, 13) : @{
            NSParagraphStyleAttributeName : defaultParagraphStyle,
        },
    };

    BONAssertAttributedStringHasAttributes(attributedString, controlAttributes);
}

- (void)testConcatenationWithSeparator
{
    BONChain *chain = BONChain.new.string(@"Hello");
    [chain appendLink:BONChain.new.string(@"world!") separator:@", "];

    NSAttributedString *attributedString = chain.attributedString;

    XCTAssertEqualObjects(attributedString.string, @"Hello, world!");

    NSParagraphStyle *defaultParagraphStyle = [[NSParagraphStyle alloc] init];

    NSDictionary *controlAttributes = @{
        BONValueFromRange(0, 13) : @{
            NSParagraphStyleAttributeName : defaultParagraphStyle,
        },
    };

    BONAssertAttributedStringHasAttributes(attributedString, controlAttributes);
}

- (void)testConcatenationWithNilSeparator
{
    BONChain *chain = BONChain.new.string(@"Hello, ");
    [chain appendLink:BONChain.new.string(@"world!") separator:nil];

    NSAttributedString *attributedString = chain.attributedString;

    XCTAssertEqualObjects(attributedString.string, @"Hello, world!");

    NSParagraphStyle *defaultParagraphStyle = [[NSParagraphStyle alloc] init];

    NSDictionary *controlAttributes = @{
        BONValueFromRange(0, 13) : @{
            NSParagraphStyleAttributeName : defaultParagraphStyle,
        },
    };

    BONAssertAttributedStringHasAttributes(attributedString, controlAttributes);
}

- (void)testConcatenationWithEmptySeparator
{
    BONChain *chain = BONChain.new.string(@"Hello, ");
    [chain appendLink:BONChain.new.string(@"world!") separator:@""];

    NSAttributedString *attributedString = chain.attributedString;

    XCTAssertEqualObjects(attributedString.string, @"Hello, world!");

    NSParagraphStyle *defaultParagraphStyle = [[NSParagraphStyle alloc] init];

    NSDictionary *controlAttributes = @{
        BONValueFromRange(0, 13) : @{
            NSParagraphStyleAttributeName : defaultParagraphStyle,
        },
    };

    BONAssertAttributedStringHasAttributes(attributedString, controlAttributes);
}

- (void)testConcatenationWithDifferentAttributes
{
    BONChain *chain = BONChain.new.string(@"Hello").textColor([UIColor redColor]);
    [chain appendLink:BONChain.new.string(@"world!").textColor([UIColor blueColor]) separator:@", "];

    NSAttributedString *attributedString = chain.attributedString;

    XCTAssertEqualObjects(attributedString.string, @"Hello, world!");

    NSParagraphStyle *defaultParagraphStyle = [[NSParagraphStyle alloc] init];

    NSDictionary *controlAttributes = @{
        BONValueFromRange(0, 7) : @{
            NSForegroundColorAttributeName : [UIColor redColor],
            NSParagraphStyleAttributeName : defaultParagraphStyle,
        },
        BONValueFromRange(7, 6) : @{
            NSForegroundColorAttributeName : [UIColor blueColor],
            NSParagraphStyleAttributeName : defaultParagraphStyle,
        },

    };

    BONAssertAttributedStringHasAttributes(attributedString, controlAttributes);
}

- (void)testMultipleConcatenations
{
    BONChain *chain = BONChain.new.string(@"Hello, ");
    [chain appendLink:BONChain.new.string(@"world!")];
    [chain appendLink:BONChain.new.string(@"It really is a lovely day today.") separator:@" "];

    NSAttributedString *attributedString = chain.attributedString;

    XCTAssertEqualObjects(attributedString.string, @"Hello, world! It really is a lovely day today.");

    NSParagraphStyle *defaultParagraphStyle = [[NSParagraphStyle alloc] init];

    NSDictionary *controlAttributes = @{
        BONValueFromRange(0, 46) : @{
            NSParagraphStyleAttributeName : defaultParagraphStyle,
        },
    };

    BONAssertAttributedStringHasAttributes(attributedString, controlAttributes);
}

- (void)testConcatenatingImages
{
    UIImage *barnImage = [UIImage imageNamed:@"barn" inBundle:[NSBundle bundleForClass:[DummyAssetClass class]] compatibleWithTraitCollection:nil];
    XCTAssertNotNil(barnImage);
    XCTAssertEqualWithAccuracy(barnImage.size.width, 36.0, kBONDoubleEpsilon);
    XCTAssertEqualWithAccuracy(barnImage.size.height, 36.0, kBONDoubleEpsilon);

    BONChain *imageChain = BONChain.new.image(barnImage);

    NSAttributedString *imageString = imageChain.attributedString;
    NSString *controlImageString = [NSString stringWithFormat:@"%C", (unichar)NSAttachmentCharacter];
    XCTAssertEqualObjects(imageString.string, controlImageString);

    BONChain *textChain = BONChain.new.string(@"concatenate me!");
    NSAttributedString *textString = textChain.attributedString;
    XCTAssertEqualObjects(textString.string, @"concatenate me!");

    [imageChain appendLink:textChain separator:BONSpecial.noBreakSpace];

    NSAttributedString *testString = imageChain.attributedString;

    NSString *controlString = [NSString stringWithFormat:@"%C%@concatenate me!", (unichar)NSAttachmentCharacter, BONSpecial.noBreakSpace];
    XCTAssertEqualObjects(testString.string, controlString);
}

@end