diff --git a/HTMLKit.xcodeproj/project.pbxproj b/HTMLKit.xcodeproj/project.pbxproj
index ca55b51..1e8c80f 100644
--- a/HTMLKit.xcodeproj/project.pbxproj
+++ b/HTMLKit.xcodeproj/project.pbxproj
@@ -40,6 +40,8 @@
 		625A14CF19C7829400AD0C32 /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = 625A14CD19C7829400AD0C32 /* InfoPlist.strings */; };
 		625D0F031C2717DE00D7BEB0 /* HTMLNode+Private.h in Headers */ = {isa = PBXBuildFile; fileRef = 625D0F011C2717DE00D7BEB0 /* HTMLNode+Private.h */; };
 		625D0F041C2717DE00D7BEB0 /* HTMLNode+Private.h in Headers */ = {isa = PBXBuildFile; fileRef = 625D0F011C2717DE00D7BEB0 /* HTMLNode+Private.h */; settings = {ATTRIBUTES = (Private, ); }; };
+		625EE4571CBAA41D00F2CC8E /* HTMLKitTestObserver.m in Sources */ = {isa = PBXBuildFile; fileRef = 625EE4561CBAA41D00F2CC8E /* HTMLKitTestObserver.m */; };
+		625EE4581CBAA41D00F2CC8E /* HTMLKitTestObserver.m in Sources */ = {isa = PBXBuildFile; fileRef = 625EE4561CBAA41D00F2CC8E /* HTMLKitTestObserver.m */; };
 		628AF6301BC99A6C00496128 /* CSSNthExpressionsParserTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 628AF62E1BC99A6C00496128 /* CSSNthExpressionsParserTests.m */; };
 		62D8345A19FB1AC4009205A9 /* HTML5LibTokenizerTest.m in Sources */ = {isa = PBXBuildFile; fileRef = 62D8345819FB1AC4009205A9 /* HTML5LibTokenizerTest.m */; };
 		62EC7AE71AEEAC6F0015D3BE /* HTMLKitMutationAlgorithmsTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 62EC7AE51AEEAC6F0015D3BE /* HTMLKitMutationAlgorithmsTests.m */; };
@@ -393,6 +395,8 @@
 		625A150619C78ABA00AD0C32 /* HTMLInputStreamReader.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = HTMLInputStreamReader.h; sourceTree = "<group>"; };
 		625A150719C78ABA00AD0C32 /* HTMLInputStreamReader.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = HTMLInputStreamReader.m; sourceTree = "<group>"; };
 		625D0F011C2717DE00D7BEB0 /* HTMLNode+Private.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "HTMLNode+Private.h"; sourceTree = "<group>"; };
+		625EE4551CBAA41D00F2CC8E /* HTMLKitTestObserver.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = HTMLKitTestObserver.h; sourceTree = "<group>"; };
+		625EE4561CBAA41D00F2CC8E /* HTMLKitTestObserver.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = HTMLKitTestObserver.m; sourceTree = "<group>"; };
 		626652F81C03D30F00C3F121 /* HTMLKitErrorDomain.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = HTMLKitErrorDomain.h; sourceTree = "<group>"; };
 		6279F87119E17DC700F12EE5 /* HTMLParserInsertionModes.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = HTMLParserInsertionModes.h; sourceTree = "<group>"; };
 		6279F87219E1808D00F12EE5 /* HTMLElement.h */ = {isa = PBXFileReference; explicitFileType = sourcecode.c.objc; fileEncoding = 4; path = HTMLElement.h; sourceTree = "<group>"; };
@@ -653,6 +657,8 @@
 				624E1A2D1B1D1C8A00E66AAC /* Structures */,
 				62FF516C1C0A430A009BFDFE /* Selectors */,
 				625A14CB19C7829400AD0C32 /* Supporting Files */,
+				625EE4551CBAA41D00F2CC8E /* HTMLKitTestObserver.h */,
+				625EE4561CBAA41D00F2CC8E /* HTMLKitTestObserver.m */,
 			);
 			name = Tests;
 			path = HTMLKitTests;
@@ -1153,6 +1159,7 @@
 				6239755B1AC362CA007E26F1 /* HTMLKitTreeConstructionTests.m in Sources */,
 				62F658711BD83C8E0045F137 /* CSSNThExpressionSelectorTests.m in Sources */,
 				623CAF9E1AD88BEA00E34C32 /* HTMLKitParserPerformance.m in Sources */,
+				625EE4571CBAA41D00F2CC8E /* HTMLKitTestObserver.m in Sources */,
 				6247171D1B2240B800C11912 /* HTMLTreeWalkerTests.m in Sources */,
 				62EC7AE71AEEAC6F0015D3BE /* HTMLKitMutationAlgorithmsTests.m in Sources */,
 				624AB31B1B050A4D00F3830D /* CSSAttributeSelectorTests.m in Sources */,
@@ -1233,6 +1240,7 @@
 				62ECBFCB1C0B6E2E00AF847B /* HTMLKitTokenizerTests.m in Sources */,
 				62ECBFCC1C0B6E2E00AF847B /* HTMLKitTokenizerPerformance.m in Sources */,
 				62ECBFCD1C0B6E2E00AF847B /* HTML5LibTreeConstructionTest.m in Sources */,
+				625EE4581CBAA41D00F2CC8E /* HTMLKitTestObserver.m in Sources */,
 				62ECBFCE1C0B6E2E00AF847B /* HTMLKitTreeConstructionTests.m in Sources */,
 				62ECBFCF1C0B6E2E00AF847B /* HTMLKitParserPerformance.m in Sources */,
 				62ECBFD01C0B6E2E00AF847B /* HTMLKitNodeIteratorTests.m in Sources */,
diff --git a/HTMLKitTests/HTMLKitTestObserver.h b/HTMLKitTests/HTMLKitTestObserver.h
new file mode 100644
index 0000000..c9cd28f
--- /dev/null
+++ b/HTMLKitTests/HTMLKitTestObserver.h
@@ -0,0 +1,24 @@
+//
+//  HTMLKitTestObserver.h
+//  HTMLKit
+//
+//  Created by Iska on 10/04/16.
+//  Copyright © 2016 BrainCookie. All rights reserved.
+//
+
+#import <XCTest/XCTest.h>
+
+@interface HTMLKitTestReport : NSObject
+@property (assign, readonly) NSUInteger totalCount;
+@property (assign, readonly) NSUInteger	failureCount;
+@property (copy, readonly) NSString *failureReport;
+@end
+
+@interface HTMLKitTestObserver<TestCase: XCTestCase *> : NSObject <XCTestObservation>
+
+- (instancetype)initWithName:(NSString *)name;
+
+- (void)addCaseForHTML5LibTestWithInput:(NSString *)input;
+- (HTMLKitTestReport *)generateReport;
+
+@end
diff --git a/HTMLKitTests/HTMLKitTestObserver.m b/HTMLKitTests/HTMLKitTestObserver.m
new file mode 100644
index 0000000..37210b2
--- /dev/null
+++ b/HTMLKitTests/HTMLKitTestObserver.m
@@ -0,0 +1,86 @@
+//
+//  HTMLKitTestObserver.m
+//  HTMLKit
+//
+//  Created by Iska on 10/04/16.
+//  Copyright © 2016 BrainCookie. All rights reserved.
+//
+
+#import "HTMLKitTestObserver.h"
+
+#pragma mark - HTMLKitTestReport
+
+@interface HTMLKitTestReport ()
+@property (assign) NSUInteger totalCount;
+@property (assign) NSUInteger	failureCount;
+@property (copy) NSString *failureReport;
+@end
+
+@implementation HTMLKitTestReport
+@synthesize totalCount, failureCount, failureReport;
+@end
+
+#pragma mark - HTMLKitTestObserver
+
+@interface HTMLKitTestObserver ()
+{
+	NSString *_name;
+	NSMutableArray *_cases;
+	NSMutableDictionary *_currentCase;
+}
+@end
+
+@implementation HTMLKitTestObserver
+
+- (instancetype)initWithName:(NSString *)name
+{
+	self = [super init];
+	if (self) {
+		_name = [name copy];
+		_cases = [NSMutableArray new];
+	}
+	return self;
+}
+
+
+- (void)addCaseForHTML5LibTestWithInput:(NSString *)input
+{
+	_currentCase = [NSMutableDictionary new];
+	_currentCase[@"input"] = input;
+	_currentCase[@"status"]	=  @"Passed";
+	[_cases addObject:_currentCase];
+}
+
+- (void)testCase:(XCTestCase *)testCase didFailWithDescription:(NSString *)description inFile:(NSString *)filePath atLine:(NSUInteger)lineNumber
+{
+	_currentCase[@"status"]	= @"Failed";
+}
+
+- (HTMLKitTestReport *)generateReport
+{
+	NSMutableString *reportDescription = [NSMutableString string];
+
+	NSIndexSet *failedIndexes = [_cases indexesOfObjectsPassingTest:^BOOL(NSDictionary *testCase, NSUInteger idx, BOOL * _Nonnull stop) {
+		return [testCase[@"status"] isEqualToString:@"Failed"];
+	}];
+
+	NSArray *failedTests = [_cases objectsAtIndexes:failedIndexes];
+
+	NSUInteger totalCount = _cases.count;
+	NSUInteger failureCount = failedTests.count;
+
+	[reportDescription appendFormat:@"HTML5Lib test file: [%@] - failed: [%lu] out of [%lu] total tests\n", _name, failureCount, _cases.count];
+
+	for (NSDictionary *testCase in failedTests) {
+		[reportDescription appendFormat:@"Failed test for input: %@\n", testCase[@"input"]];
+	}
+
+	HTMLKitTestReport *report = [HTMLKitTestReport new];
+	report.totalCount = totalCount;
+	report.failureCount = failureCount;
+	report.failureReport = reportDescription;
+
+	return report;
+}
+
+@end