public async Task GetPodcastStatisticAsync_Should_Return_Statistic_By_Given_PodcastId() { StatisticClientMock statisticClientMock = StatisticClientMock.Create(); statisticClientMock.RestApiClientMock .Setup(client => client.GetApiResponseAsync <Statistic>( It.IsAny <string>(), It.IsAny <IList <KeyValuePair <string, string> > >(), It.IsAny <IDictionary <string, string> >())) .ReturnsAsync(() => new ApiResponse <Statistic>() { Model = new Statistic() }); Statistic statistic = await statisticClientMock.GetPodcastStatisticAsync(PodcastId); statisticClientMock.RestApiClientMock.Verify(client => client.GetApiResponseAsync <Statistic>( It.Is <string>(url => url == PodcastStatisticUrl), It.Is <IList <KeyValuePair <string, string> > >(keyValues => keyValues == null), It.Is <IDictionary <string, string> >(keyValues => keyValues == null)), Times.Once); Assert.NotNull(statistic); }