public async Task When_Not_In_Cache_It_Is_Loaded()
{
using var cache = LoRaDeviceCacheDefault.CreateDefault();
var factory = new Mock <ILoRaDeviceFactory>();
using var joinDeviceLoader = new JoinDeviceLoader(DefaultDeviceInfo, factory.Object, cache, NullLogger <JoinDeviceLoader> .Instance);
await joinDeviceLoader.LoadAsync();
factory.Verify(x => x.CreateAndRegisterAsync(DefaultDeviceInfo, It.IsAny <CancellationToken>()), Times.Once);
Assert.True(joinDeviceLoader.CanCache);
}
public async Task When_The_Load_Fails_CanCache_Is_False()
{
using var cache = LoRaDeviceCacheDefault.CreateDefault();
var factory = new Mock <ILoRaDeviceFactory>();
factory.Setup(x => x.CreateAndRegisterAsync(DefaultDeviceInfo, It.IsAny <CancellationToken>()))
.ThrowsAsync(new LoRaProcessingException());
using var joinDeviceLoader = new JoinDeviceLoader(DefaultDeviceInfo, factory.Object, cache, NullLogger <JoinDeviceLoader> .Instance);
Assert.Null(await joinDeviceLoader.LoadAsync());
Assert.False(joinDeviceLoader.CanCache);
}
public async Task When_One_Load_Is_Pending_Other_Is_Waiting()
{
using var cache = LoRaDeviceCacheDefault.CreateDefault();
var factory = new Mock <ILoRaDeviceFactory>();
using var device = new LoRaDevice(DefaultDeviceInfo.DevAddr, DefaultDeviceInfo.DevEUI, null);
factory.Setup(x => x.CreateAndRegisterAsync(DefaultDeviceInfo, It.IsAny <CancellationToken>()))
.ReturnsAsync(() =>
{
cache.Register(device);
return(device);
});
using var joinDeviceLoader = new JoinDeviceLoader(DefaultDeviceInfo, factory.Object, cache, NullLogger <JoinDeviceLoader> .Instance);
var t1 = joinDeviceLoader.LoadAsync();
var t2 = joinDeviceLoader.LoadAsync();
Assert.All(await Task.WhenAll(t1, t2), x => Assert.Equal(device, x));
factory.Verify(x => x.CreateAndRegisterAsync(DefaultDeviceInfo, It.IsAny <CancellationToken>()), Times.Once);
}
