public async Task CachingVehicleService_SkipRepeated_Test()
{
var memoryCache = CreateCache();
var pingCount = 0;
var underlying = new Mock <IVehicleService>();
underlying
.Setup(x => x.Ping(It.IsAny <string>()))
.Returns <string>((id) => Task.FromResult(new VehicleStatusMessage(id, VehicleStatus.Connected)))
.Callback(() => pingCount++);
var logger = CommonUtils.CreateLogger <CachingVehicleService>();
var vehicleService = new CachingVehicleService(underlying.Object, memoryCache, logger);
var request = new VehicleTrackRequest("1");
var result = await vehicleService.Ping(request);
var result2 = await vehicleService.Ping(request);
pingCount.ShouldBe(1);
result.ShouldNotBeNull();
result.Id.ShouldBe("1");
result2.ShouldBeNull();
}
public async Task CachingVehicleService_SkipOutdated_Test()
{
var memoryCache = new Mock <IMemoryCache>();
var underlying = new Mock <IVehicleService>();
underlying
.Setup(x => x.Ping(It.IsAny <string>()))
.Throws(new Exception("Underlying ping is called"));
var logger = CommonUtils.CreateLogger <CachingVehicleService>();
var vehicleService = new CachingVehicleService(underlying.Object, memoryCache.Object, logger);
var request = new VehicleTrackRequest("1")
{
TimeUtc = DateTime.UtcNow.AddDays(-1)
};
var result = await vehicleService.Ping(request);
result.ShouldBeNull();
}