//

// NSAttributedStringHTMLTest.m

// DTCoreText

//

// Created by Claus Broch on 11/01/11.

// Copyright 2011 Drobnik.com. All rights reserved.

//

#import "NSAttributedStringHTMLTest.h"

#import <DTCoreText/DTCoreText.h>

#import <XCTest/XCTest.h>

@implementation NSAttributedStringHTMLTest

- (void)dumpOneResult:(NSString *)oneResult versusOtherResult:(NSString *)otherResult

{

NSMutableString *dumpOutput = [[NSMutableString alloc] init];

NSData *dump1 = [oneResult dataUsingEncoding:NSUTF8StringEncoding];

NSData *dump2 = [otherResult dataUsingEncoding:NSUTF8StringEncoding];

char *bytes1 = (char *)[dump1 bytes];

char *bytes2 = (char *)[dump2 bytes];

NSUInteger longerLength = MAX([dump1 length], [dump2 length]);

for (NSInteger i = 0; i < longerLength; i++)

{

NSString *out1 = @"- -";

NSString *out2 = @"- -";

if (i<[dump1 length])

{

char b = bytes1[i];

out1 = [NSString stringWithFormat:@"%x", b];

}

if (i<[dump2 length])

{

char b = bytes2[i];

out2 = [NSString stringWithFormat:@"%x", b];

}

[dumpOutput appendFormat:@"%li: %@ %@\n", (long)i, out1, out2];

}

NSLog(@"Dump\%@", dumpOutput);

}

- (NSAttributedString *)attributedStringFromHTML:(NSString *)html

{

NSData *data = [html dataUsingEncoding:NSUTF8StringEncoding];

DTHTMLAttributedStringBuilder*stringBuilder = [[DTHTMLAttributedStringBuilder alloc] initWithHTML:data options:nil documentAttributes:NULL];

return [stringBuilder generatedAttributedString];

}

- (void)testParagraphs

{

NSString *html = @"Prefix<p>One\ntwo\n<br>three</p><p>New Paragraph</p>Suffix";

NSAttributedString *string = [self attributedStringFromHTML:html];

NSData *dump = [[string string] dataUsingEncoding:NSUTF8StringEncoding];

NSString *resultOnIOS = [self hexStringForData:dump];

NSString *resultOnMac = @"5072656669780a4f6e652074776f20e280a874687265650a4e6577205061726167726170680a537566666978";

//[self dumpOneResult:resultOnIOS versusOtherResult:resultOnMac];

XCTAssertTrue([resultOnIOS isEqualToString:resultOnMac], @"Output on Paragraph Test differs");

}

- (void)testHeaderParagraphs

{

NSString *html = @"Prefix<h1>One</h1><h2>One</h2><h3>One</h3><h4>One</h4><h5>One</h5><p>New Paragraph</p>Suffix";

NSAttributedString *string = [self attributedStringFromHTML:html];

NSData *dump = [[string string] dataUsingEncoding:NSUTF8StringEncoding];

NSString *resultOnIOS = [self hexStringForData:dump];

NSString *resultOnMac = @"5072656669780a4f6e650a4f6e650a4f6e650a4f6e650a4f6e650a4e6577205061726167726170680a537566666978";

XCTAssertTrue([resultOnIOS isEqualToString:resultOnMac], @"Output on Paragraph Test differs");

}

- (void)testListParagraphs

{

NSString *html = @"<p>Before</p><ul><li>One</li><li>Two</li></ul><p>After</p>";

NSAttributedString *string = [self attributedStringFromHTML:html];

NSData *dump = [[string string] dataUsingEncoding:NSUTF8StringEncoding];

NSString *resultOnIOS = [self hexStringForData:dump];

NSString *resultOnMac = @"4265666f72650a09e280a2094f6e650a09e280a20954776f0a41667465720a";

XCTAssertTrue([resultOnIOS isEqualToString:resultOnMac], @"Output on List Test differs");

}

- (void)testImageParagraphs

{

// needs the size

NSString *html = @"<p>Before</p><img src=\"Oliver.jpg\"><h1>Header</h2><p>after</p><p>Some inline <img width=\"20px\" height=\"20px\" src=\"Oliver.jpg\"> text.</p>";

NSAttributedString *string = [self attributedStringFromHTML:html];

NSData *dump = [[string string] dataUsingEncoding:NSUTF8StringEncoding];

NSString *resultOnIOS = [self hexStringForData:dump];

NSString *resultOnMac = @"4265666f72650aefbfbc0a4865616465720a61667465720a536f6d6520696e6c696e6520efbfbc20746578742e0a";

XCTAssertTrue([resultOnIOS isEqualToString:resultOnMac], @"Output on List Test differs");

}

- (void)testSpaceNormalization

{

NSString *html = @"<p>Now there is some <b>bold</b>\ntext and spaces\n should be normalized.</p>";

NSAttributedString *string = [self attributedStringFromHTML:html];

NSData *dump = [[string string] dataUsingEncoding:NSUTF8StringEncoding];

NSString *resultOnIOS = [self hexStringForData:dump];

NSString *resultOnMac = @"4e6f7720746865726520697320736f6d6520626f6c64207465787420616e64207370616365732073686f756c64206265206e6f726d616c697a65642e0a";

XCTAssertTrue([resultOnIOS isEqualToString:resultOnMac], @"Output on List Test differs");

}

- (void)testSpaceAndNewlines

{

NSString *html = @"<a>bla</a>\nfollows\n<font color=\"blue\">NSString</font> <font color=\"purple\">*</font>str <font color=\"#000000\">=</font> @<font color=\"#E40000\">\"The Quick Brown Fox Brown\"</font>;";

NSAttributedString *string = [self attributedStringFromHTML:html];

NSData *dump = [[string string] dataUsingEncoding:NSUTF8StringEncoding];

NSString *resultOnIOS = [self hexStringForData:dump];

NSString *resultOnMac = @"626c6120666f6c6c6f7773204e53537472696e67202a737472203d20402254686520517569636b2042726f776e20466f782042726f776e223b";

XCTAssertTrue([resultOnIOS isEqualToString:resultOnMac], @"Output on List Test differs");

}

- (void)testMissingClosingTagAndSpacing

{

NSString *html = @"<span>image \n <a href=\"http://sv.wikipedia.org/wiki/Fil:V%C3%A4dersoltavlan_cropped.JPG\"\n late</a> last</span>";

NSAttributedString *string = [self attributedStringFromHTML:html];

NSData *dump = [[string string] dataUsingEncoding:NSUTF8StringEncoding];

NSString *resultOnIOS = [self hexStringForData:dump];

NSString *resultOnMac = @"696d616765206c617374";

XCTAssertTrue([resultOnIOS isEqualToString:resultOnMac], @"Output on Invalid Tag Test differs");

}

- (void)testCrashAtEmptyNodeBeforeDivWithiOS6Attributes

{

// This string is the simplest case that caused the crash.

NSString *html = @"<div><i></i><div></div></div>;";

NSData *data = [html dataUsingEncoding:NSUTF8StringEncoding];

NSDictionary *options = @{DTUseiOS6Attributes: @(YES)};

NSAttributedString *string = [[NSAttributedString alloc] initWithHTMLData:data

options:options

documentAttributes:NULL];

XCTAssert(string != nil);

}

// issue #1199

- (void)testDefaultFont

{

// This string is the simplest case that caused the crash.

NSString *html = @"<p>Hello World!</p>";

NSData *data = [html dataUsingEncoding:NSUTF8StringEncoding];

NSDictionary *options = @{};

NSAttributedString *string = [[NSAttributedString alloc] initWithHTMLData:data

options:options

documentAttributes:NULL];

UIFont *font = [string attribute:NSFontAttributeName atIndex:0 effectiveRange:NULL];

UIFontDescriptor *descriptor = [font fontDescriptor];

BOOL isBold = (descriptor.symbolicTraits & UIFontDescriptorTraitBold) != 0;

XCTAssertFalse(isBold);

BOOL isItalic = (descriptor.symbolicTraits & UIFontDescriptorTraitItalic) != 0;

XCTAssertFalse(isItalic);

XCTAssertTrue([font.familyName isEqualToString:@"Times New Roman"]);

}

// issue #1208

- (void)testDefaultFontBold

{

// This string is the simplest case that caused the crash.

NSString *html = @"<b>Hello World!</b>";

NSData *data = [html dataUsingEncoding:NSUTF8StringEncoding];

NSDictionary *options = @{};

NSAttributedString *string = [[NSAttributedString alloc] initWithHTMLData:data

options:options

documentAttributes:NULL];

UIFont *font = [string attribute:NSFontAttributeName atIndex:0 effectiveRange:NULL];

UIFontDescriptor *descriptor = [font fontDescriptor];

BOOL isBold = (descriptor.symbolicTraits & UIFontDescriptorTraitBold) != 0;

XCTAssertTrue(isBold);

BOOL isItalic = (descriptor.symbolicTraits & UIFontDescriptorTraitItalic) != 0;

XCTAssertFalse(isItalic);

XCTAssertTrue([font.familyName isEqualToString:@"Times New Roman"]);

}

- (void)testDefaultFontItalic

{

// This string is the simplest case that caused the crash.

NSString *html = @"<em>Hello World!</em>";

NSData *data = [html dataUsingEncoding:NSUTF8StringEncoding];

NSDictionary *options = @{};

NSAttributedString *string = [[NSAttributedString alloc] initWithHTMLData:data

options:options

documentAttributes:NULL];

UIFont *font = [string attribute:NSFontAttributeName atIndex:0 effectiveRange:NULL];

UIFontDescriptor *descriptor = [font fontDescriptor];

BOOL isBold = (descriptor.symbolicTraits & UIFontDescriptorTraitBold) != 0;

XCTAssertFalse(isBold);

BOOL isItalic = (descriptor.symbolicTraits & UIFontDescriptorTraitItalic) != 0;

XCTAssertTrue(isItalic);

XCTAssertTrue([font.familyName isEqualToString:@"Times New Roman"]);

}

- (NSString *)hexStringForData:(NSData *)data

{

const unsigned char *bytes = (const unsigned char *)data.bytes;

NSMutableString *hex = [NSMutableString new];

for (NSInteger i = 0; i < data.length; i++) {

[hex appendFormat:@"%02x", bytes[i]];

}

return [hex copy];

}

@end