GetGalleryTopicItemsAsync() public method

View gallery items for a topic.
/// Thrown when a null reference is passed to a method that does not accept it as a /// valid argument. /// Thrown when an error is found in a response from an Imgur endpoint. Thrown when an error is found in a response from a Mashape endpoint.
public GetGalleryTopicItemsAsync ( string topicId, CustomGallerySortOrder sort = CustomGallerySortOrder.Viral, TimeWindow window = TimeWindow.Week, int page = null ) : Task>
topicId string /// The ID or URL-formatted name of the topic. If using a topic's name, replace its spaces with /// underscores (Mother's_Day). ///
sort CustomGallerySortOrder The order that the gallery should be sorted by. Default: Viral
window TimeWindow The time period that should be used in filtering requests. Default: Week
page int The data paging number. Default: null
return Task>
        public async Task GetGalleryTopicItemsAsync_True()
        {
            var mockUrl = "https://api.imgur.com/3/topics/Current_Events/top/day/3";
            var mockResponse = new HttpResponseMessage(HttpStatusCode.OK)
            {
                Content = new StringContent(MockTopicEndpointResponses.GetGalleryTopicItems)
            };

            var client = new ImgurClient("123", "1234");
            var endpoint = new TopicEndpoint(client, new HttpClient(new MockHttpMessageHandler(mockUrl, mockResponse)));
            var items =
                await
                    endpoint.GetGalleryTopicItemsAsync("Current Events", CustomGallerySortOrder.Top, TimeWindow.Day, 3)
                        .ConfigureAwait(false);

            Assert.True(items.Any());
        }
        public async Task GetGalleryTopicItemsAsync_WithTopicIdNull_ThrowsNewArgumentNullException()
        {
            var client = new ImgurClient("123", "1234");
            var endpoint = new TopicEndpoint(client);

            var exception =
                await
                    Record.ExceptionAsync(
                        async () => await endpoint.GetGalleryTopicItemsAsync(null).ConfigureAwait(false))
                        .ConfigureAwait(false);
            Assert.NotNull(exception);
            Assert.IsType<ArgumentNullException>(exception);
        }