public async void UnitTestUpdateSizeLimitDynamicallyWithGetOrAdd()
{
// setup
var configurationProviderMock = new Mock <IConfigurationProvider>();
configurationProviderMock.Setup(x => x.Get(ConfigSectionName)).Returns(new Dictionary <string, string>()
{
{ "SizeLimit", "2" }
});
// run
var configurableMemoryCache = new ConfigurableMemoryCache <int, string>(configurationProviderMock.Object, ConfigSectionName);
await configurableMemoryCache.GetOrAddAsync(1, () => Task.FromResult("test1")).ConfigureAwait(false);
await configurableMemoryCache.GetOrAddAsync(2, () => Task.FromResult("test2")).ConfigureAwait(false);
await configurableMemoryCache.GetOrAddAsync(3, () => Task.FromResult("test3")).ConfigureAwait(false);
// change configuration dynamically
configurationProviderMock.Setup(x => x.Get(ConfigSectionName)).Returns(new Dictionary <string, string>()
{
{ "SizeLimit", "3" }
});
await configurableMemoryCache.GetOrAddAsync(4, () => Task.FromResult("test4")).ConfigureAwait(false);
// assert
Assert.Equal(3, configurableMemoryCache.Count);
Assert.Null(await configurableMemoryCache.GetAsync(1).ConfigureAwait(false));
Assert.Equal("test2", await configurableMemoryCache.GetAsync(2).ConfigureAwait(false));
Assert.Equal("test3", await configurableMemoryCache.GetAsync(3).ConfigureAwait(false));
Assert.Equal("test4", await configurableMemoryCache.GetAsync(4).ConfigureAwait(false));
}