public void TestProcessTokenRequest()
        {
            AccessTokenBase token = new AccessTokenBase
            {
                Scope = new string[] { "create", "delete" },
                ExpiresIn = 120,
                RefreshToken = "refresh",
                Token = "token",
                TokenType = "bearer"
            };
            ClientBase client = new ClientBase
            {
                ClientId = "123",
                ClientSecret = "secret"
            };

			IAuthorizationGrant grant = new AuthorizationGrantBase
            {
                Code = "123"
            };

            AuthorizationContext context = new AuthorizationContext
            {
                Client = new ClientBase { ClientId = "123" },
                IsApproved = true,
                RedirectUri = new Uri("http://www.mysite.com/callback"),
                Scope = new string[] { "create", "delete" },
                ResourceOwnerUsername = "******"
            };

            Mock<IClientService> mckClientService = new Mock<IClientService>();
            mckClientService.Setup(x => x.FindClient("123")).Returns(client);

            Mock<IAuthorizationGrantService> mckGrantService = new Mock<IAuthorizationGrantService>();
            mckGrantService.Setup(x => x.IssueAuthorizationGrant(context)).Returns(grant);

            Mock<ITokenService> mckTokenService = new Mock<ITokenService>();
            mckTokenService.Setup(x => x.IssueAccessToken(grant)).Returns(token);

            Mock<IServiceFactory> mckFactory = new Mock<IServiceFactory>();
            mckFactory.SetupGet(x => x.TokenService).Returns(mckTokenService.Object);
            mckFactory.SetupGet(x => x.ClientService).Returns(mckClientService.Object);
            mckFactory.SetupGet(x => x.AuthorizationGrantService).Returns(mckGrantService.Object);

            ImplicitFlowProcessor processor = new ImplicitFlowProcessor(mckFactory.Object);
            processor.Process(context);

            Assert.AreEqual(token, context.Token);
            mckClientService.VerifyAll();
            mckFactory.VerifyAll();
            mckTokenService.VerifyAll();            
        }
        public void TestProcessingValidContext()
        {
            TokenContext context = new TokenContext()
            {
                Client = new ClientBase { ClientId = "321", ClientSecret = "secret" },
                AuthorizationCode = "123",
                GrantType = Parameters.GrantTypeValues.AuthorizationCode,
                RedirectUri = new Uri("http://www.mysites.com/callback"),
                Scope = new string[] { "create", "delete" }
            };

			IAuthorizationGrant authorizationGrant = new AuthorizationGrantBase { Code = "123" };

            Mock<IAuthorizationGrantService> mckAuthService = new Mock<IAuthorizationGrantService>();
            mckAuthService.Setup(x => x.FindAuthorizationGrant("123")).Returns(authorizationGrant);
			mckAuthService.Setup(x => x.ConsumeGrant(It.IsAny<IAuthorizationGrant>()));
            mckAuthService.Setup(x => x.ValidateGrant(context, authorizationGrant)).Returns(true);

            Mock<ITokenService> mckTokenService = new Mock<ITokenService>();
            mckTokenService.Setup(x => x.IssueAccessToken(authorizationGrant)).Returns(new AccessTokenBase { TokenType = "bearer", RefreshToken = "refresh_token", Token = "token", ExpiresIn = 120 });
            
            Mock<IClientService> mckClientService = new Mock<IClientService>();
            mckClientService.Setup(x => x.AuthenticateClient(context)).Returns(true);

            Mock<IServiceFactory> mckFactory = new Mock<IServiceFactory>();
            mckFactory.SetupGet(x => x.ClientService).Returns(mckClientService.Object);
            mckFactory.SetupGet(x => x.TokenService).Returns(mckTokenService.Object);
            mckFactory.SetupGet(x => x.AuthorizationGrantService).Returns(mckAuthService.Object);
            AuthenticationCodeProcessor processor = new AuthenticationCodeProcessor(mckFactory.Object);

            processor.Process(context);

            Assert.IsNotNull(context.Token);
            Assert.AreEqual(120, context.Token.ExpiresIn);
            Assert.AreEqual("refresh_token", context.Token.RefreshToken);
            Assert.AreEqual("token", context.Token.Token);

            mckFactory.VerifyAll();
            mckClientService.VerifyAll();
            mckTokenService.VerifyAll();
        }