public void CashedResultWeatherViewDataSourceGetWeatherDataProvidersNotCashTest()
        {
            var weatherDataProviders = new[] { new Mock<IDataProviderInfo>().Object };
            var mockSource = new Mock<IWeatherViewDataSource>();
            mockSource.Setup(t => t.GetWeatherDataProviders()).Returns(weatherDataProviders);
            var timeProvider = new FakeTimeProvider(DateTime.Now);
            TimeProvider.Current = timeProvider;

            var provider = new CashedResultWeatherViewDataSource(mockSource.Object, 100);
            provider.GetWeatherDataProviders();

            timeProvider.SetTime(timeProvider.UtcNow.AddSeconds(101));
            provider.GetWeatherDataProviders();

            mockSource.Verify(t => t.GetWeatherDataProviders(), Times.Exactly(2));
        }
        public void CashedResultWeatherViewDataSourceGetWeatherInfoNotCashTest()
        {
            const string testName = "testName";
            var resultWeatherInfo = new Mock<ICityWeatherInfo>();
            var mockSource = new Mock<IWeatherViewDataSource>();
            mockSource.Setup(t => t.GetWeatherInfo(It.IsAny<string>())).Returns(resultWeatherInfo.Object);
            var timeProvider = new FakeTimeProvider(DateTime.Now);
            TimeProvider.Current = timeProvider;

            var provider = new CashedResultWeatherViewDataSource(mockSource.Object, 100);
            provider.ClearCash();
            provider.GetWeatherInfo(testName);
            timeProvider.SetTime(timeProvider.UtcNow.AddSeconds(101));
            provider.GetWeatherInfo(testName);

            mockSource.Verify(t => t.GetWeatherInfo(It.Is<string>(k=>k== testName)), Times.Exactly(2));
        }