public async Task EnsuresNonNullArguments()
            {
                var client = new ObservableNotificationsClient(Substitute.For<IGitHubClient>());

                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository(null, "name"));
                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository("owner", null));
                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository(null, "name", ApiOptions.None));
                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository("owner", null, ApiOptions.None));
                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository("owner", "name", (ApiOptions)null));
                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository(null, "name", new NotificationsRequest()));
                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository("owner", null, new NotificationsRequest()));
                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository("owner", "name", (NotificationsRequest)null));
                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository(null, "name", new NotificationsRequest(), ApiOptions.None));
                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository("owner", null, new NotificationsRequest(), ApiOptions.None));
                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository("owner", "name", null, ApiOptions.None));
                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository("owner", "name", new NotificationsRequest(), null));

                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository(1, (ApiOptions)null));
                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository(1, (NotificationsRequest)null));
                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository(1, null, ApiOptions.None));
                Assert.Throws<ArgumentNullException>(() => client.GetAllForRepository(1, new NotificationsRequest(), null));

                Assert.Throws<ArgumentException>(() => client.GetAllForRepository("", "name"));
                Assert.Throws<ArgumentException>(() => client.GetAllForRepository("owner", ""));
                Assert.Throws<ArgumentException>(() => client.GetAllForRepository("", "name", ApiOptions.None));
                Assert.Throws<ArgumentException>(() => client.GetAllForRepository("owner", "", ApiOptions.None));
                Assert.Throws<ArgumentException>(() => client.GetAllForRepository("", "name", new NotificationsRequest()));
                Assert.Throws<ArgumentException>(() => client.GetAllForRepository("owner", "", new NotificationsRequest()));
                Assert.Throws<ArgumentException>(() => client.GetAllForRepository("", "name", new NotificationsRequest(), ApiOptions.None));
                Assert.Throws<ArgumentException>(() => client.GetAllForRepository("owner", "", new NotificationsRequest(), ApiOptions.None));
            }
            public void RequestsCorrectUrlNotificationRequestWithApiOptionsWithRepositoryId()
            {
                var endpoint = new Uri("repositories/1/notifications", UriKind.Relative);
                var connection = Substitute.For<IConnection>();
                var gitHubClient = new GitHubClient(connection);
                var client = new ObservableNotificationsClient(gitHubClient);

                var notificationsRequest = new NotificationsRequest { All = true };

                var options = new ApiOptions
                {
                    PageCount = 1,
                    StartPage = 1,
                    PageSize = 1
                };

                client.GetAllForRepository(1, notificationsRequest, options);

                connection.Received().Get<List<Notification>>(endpoint, Arg.Is<Dictionary<string, string>>(
                    d => d.Count == 4 && d["all"] == "true" && d["participating"] == "false"
                         && d["page"] == "1" && d["per_page"] == "1"),
                    null);
            }
            public void RequestsCorrectUrlWithApiOptionsWithRepositoryId()
            {
                var endpoint = new Uri("repositories/1/notifications", UriKind.Relative);
                var connection = Substitute.For<IConnection>();
                var gitHubClient = new GitHubClient(connection);
                var client = new ObservableNotificationsClient(gitHubClient);

                var options = new ApiOptions
                {
                    PageCount = 1,
                    StartPage = 1,
                    PageSize = 1
                };

                client.GetAllForRepository(1, options);

                connection.Received().Get<List<Notification>>(endpoint, Arg.Is<Dictionary<string, string>>(d => d.Count == 2), null);
            }
            public void RequestsCorrectUrlNotificationRequest()
            {
                var endpoint = new Uri("repos/banana/split/notifications", UriKind.Relative);
                var connection = Substitute.For<IConnection>();
                var gitHubClient = new GitHubClient(connection);
                var client = new ObservableNotificationsClient(gitHubClient);

                var notificationsRequest = new NotificationsRequest { All = true };

                client.GetAllForRepository("banana", "split", notificationsRequest);

                connection.Received().Get<List<Notification>>(endpoint, Arg.Is<Dictionary<string, string>>(
                    d => d.Count == 2 && d["all"] == "true" && d["participating"] == "false"),
                    null);
            }
            public void RequestsCorrectUrlWithRepositoryId()
            {
                var endpoint = new Uri("repositories/1/notifications", UriKind.Relative);
                var connection = Substitute.For<IConnection>();
                var gitHubClient = new GitHubClient(connection);
                var client = new ObservableNotificationsClient(gitHubClient);

                client.GetAllForRepository(1);

                connection.Received().Get<List<Notification>>(endpoint, Args.EmptyDictionary, null);
            }