public async Task ShouldGetTrafficForRegionFromCacheSuccessfully()
{
_traffic1.UpdatedAt = DateTime.Now;
var trafficCache = new Mock <ITrafficCache>();
trafficCache.Setup(p => p.GetByRegionCode(_region1.Code)).Returns(_traffic1);
var trafficProvider = new Mock <ITrafficProvider>();
trafficProvider.Setup(p => p.GetTrafficAsync(_region1.Code)).Returns(Task.Run(() => _traffic1));
var regionService = new Mock <IRegionService>();
var service = new CachedTrafficService(trafficCache.Object, trafficProvider.Object, regionService.Object);
var result = await service.GetTrafficForRegionAsync(_region1);
Assert.IsNotNull(result);
Assert.AreEqual(_traffic1.RegionCode, result.RegionCode);
Assert.AreEqual(_traffic1.Level, result.Level);
Assert.AreEqual(_traffic1.Hint, result.Hint);
trafficCache.Verify(tc => tc.Save(It.IsAny <TrafficModel>()), Times.Never());
trafficProvider.Verify(tc => tc.GetTrafficAsync(_region1.Code), Times.Never());
}
public async Task ShouldGetTrafficForRegionWithEmptyCacheSuccessfully()
{
TrafficModel cachedValue = null;
var trafficCache = new Mock <ITrafficCache>();
trafficCache.Setup(p => p.GetByRegionCode(_region1.Code)).Returns(() =>
{
return(cachedValue);
});
trafficCache.Setup(p => p.Save(_traffic1)).Callback((TrafficModel traffic) =>
{
cachedValue = traffic;
});
var trafficProvider = new Mock <ITrafficProvider>();
trafficProvider.Setup(p => p.GetTrafficAsync(_region1.Code)).Returns(Task.Run(() => _traffic1));
var regionService = new Mock <IRegionService>();
var service = new CachedTrafficService(trafficCache.Object, trafficProvider.Object, regionService.Object);
var result = await service.GetTrafficForRegionAsync(_region1);
Assert.IsNotNull(result);
Assert.AreEqual(_traffic1.RegionCode, result.RegionCode);
Assert.AreEqual(_traffic1.Level, result.Level);
Assert.AreEqual(_traffic1.Hint, result.Hint);
trafficCache.Verify(tc => tc.Save(It.IsAny <TrafficModel>()), Times.Once());
trafficProvider.Verify(tc => tc.GetTrafficAsync(_region1.Code), Times.Once());
}
