diff --git a/GQURLDispatcher/GQURLDispatcher/GQURLDispatcher.h b/GQURLDispatcher/GQURLDispatcher/GQURLDispatcher.h
index ee61b4e..b067f0f 100644
--- a/GQURLDispatcher/GQURLDispatcher/GQURLDispatcher.h
+++ b/GQURLDispatcher/GQURLDispatcher/GQURLDispatcher.h
@@ -17,6 +17,8 @@
 
 - (BOOL)dispatchURL:(NSURL *)url withObject:(id)anObject;
 
+- (NSArray *)responders;
+
 - (void)registerResponder:(id <GQURLResponder>)responder;
 
 - (void)unregisterResponder:(id <GQURLResponder>)responder;
diff --git a/GQURLDispatcher/GQURLDispatcher/GQURLDispatcher.m b/GQURLDispatcher/GQURLDispatcher/GQURLDispatcher.m
index 0c2f98b..63291d5 100644
--- a/GQURLDispatcher/GQURLDispatcher/GQURLDispatcher.m
+++ b/GQURLDispatcher/GQURLDispatcher/GQURLDispatcher.m
@@ -10,9 +10,7 @@
 
 @interface GQURLDispatcher ()
 
-+ (instancetype)sharedInstance;
-
-@property (nonatomic, strong) NSMutableArray *responders;
+@property (nonatomic, strong) NSMutableArray *responderList;
 
 @end
 
@@ -35,7 +33,7 @@ - (id)init
     self = [super init];
     
     if (self) {
-        self.responders = [NSMutableArray array];
+        self.responderList = [NSMutableArray array];
     }
     
     return self;
@@ -67,18 +65,23 @@ - (BOOL)dispatchURL:(NSURL *)url withObject:(id)anObject
     
 }
 
+- (NSArray *)responders
+{
+    return [self.responderList copy];
+}
+
 - (void)registerResponder:(id <GQURLResponder>)responder
 {
     if ([self.responders containsObject:responder]) {
         [self unregisterResponder:responder];
     }
         
-    [self.responders addObject:responder];
+    [self.responderList addObject:responder];
 }
 
 - (void)unregisterResponder:(id <GQURLResponder>)responder
 {
-    [self.responders removeObject:responder];
+    [self.responderList removeObject:responder];
 }
 
 @end
diff --git a/GQURLDispatcher/GQURLDispatcherTests/GQURLDispatcherTests.m b/GQURLDispatcher/GQURLDispatcherTests/GQURLDispatcherTests.m
index fa04ee3..4e972fa 100644
--- a/GQURLDispatcher/GQURLDispatcherTests/GQURLDispatcherTests.m
+++ b/GQURLDispatcher/GQURLDispatcherTests/GQURLDispatcherTests.m
@@ -7,9 +7,13 @@
 //
 
 #import <XCTest/XCTest.h>
+#import "GQURLDispatcher.h"
+#import "GQURLResponder.h"
+#import <OCMock/OCMock.h>
 
 @interface GQURLDispatcherTests : XCTestCase
 
+@property (nonatomic, strong) GQURLDispatcher *testURLDispatcher;
 @end
 
 @implementation GQURLDispatcherTests
@@ -18,17 +22,59 @@ - (void)setUp
 {
     [super setUp];
     // Put setup code here. This method is called before the invocation of each test method in the class.
+    
+    self.testURLDispatcher = [[GQURLDispatcher alloc] init];
 }
 
 - (void)tearDown
 {
     // Put teardown code here. This method is called after the invocation of each test method in the class.
     [super tearDown];
+    
+    self.testURLDispatcher = nil;
 }
 
-- (void)testExample
+- (void)testSharedInstance
 {
-    XCTFail(@"No implementation for \"%s\"", __PRETTY_FUNCTION__);
+    XCTAssertEqual([GQURLDispatcher sharedInstance], [GQURLDispatcher sharedInstance], @"");
+}
+
+- (void)testRegisterResponder
+{
+    XCTAssertEqual(0, [[self.testURLDispatcher responders] count], @"");
+    
+    id responder1 = OCMProtocolMock(@protocol(GQURLResponder));
+    
+    [self.testURLDispatcher registerResponder:responder1];
+    
+    XCTAssertEqual(1, [[self.testURLDispatcher responders] count], @"");
+    
+    [self.testURLDispatcher registerResponder:responder1];
+    
+    XCTAssertEqual(1, [[self.testURLDispatcher responders] count], @"");
+    
+    id responder2 = OCMProtocolMock(@protocol(GQURLResponder));
+    
+    [self.testURLDispatcher registerResponder:responder2];
+    
+    XCTAssertEqual(2, [[self.testURLDispatcher responders] count], @"");
+}
+
+- (void)testUnregisterResponder
+{
+    id responder1 = OCMProtocolMock(@protocol(GQURLResponder));
+    
+    id responder2 = OCMProtocolMock(@protocol(GQURLResponder));
+    
+    [self.testURLDispatcher registerResponder:responder1];
+    
+    [self.testURLDispatcher unregisterResponder:responder2];
+    
+    XCTAssertEqual(1, [[self.testURLDispatcher responders] count], @"");
+    
+    [self.testURLDispatcher unregisterResponder:responder1];
+    
+    XCTAssertEqual(0, [[self.testURLDispatcher responders] count], @"");
 }
 
 @end
diff --git a/Podfile b/Podfile
index 956bcd3..90be6fb 100644
--- a/Podfile
+++ b/Podfile
@@ -2,5 +2,5 @@ workspace 'GQURLDispatcher'
 xcodeproj 'GQURLDispatcher/GQURLDispatcher.xcodeproj'
 
 target :GQURLDispatcherTests, :exclusive => true do
-    pod 'OCMock', '~> 2.2.4'
+    pod 'OCMock', '~> 3.1.1'
 end
diff --git a/Podfile.lock b/Podfile.lock
index 605dde2..a718b91 100644
--- a/Podfile.lock
+++ b/Podfile.lock
@@ -1,10 +1,10 @@
 PODS:
-  - OCMock (2.2.4)
+  - OCMock (3.1.1)
 
 DEPENDENCIES:
-  - OCMock (~> 2.2.4)
+  - OCMock (~> 3.1.1)
 
 SPEC CHECKSUMS:
-  OCMock: 6db79185520e24f9f299548f2b8b07e41d881bd5
+  OCMock: f6cb8c162ab9d5620dddf411282c7b2c0ee78854
 
 COCOAPODS: 0.33.1