public async Task WorksCorrectlyForOneThread_InvalidateCacheAsync()
{
// arrange
var(h3, y1) = MakeFakeHttpClientHandler();
// act
var httpBuilder = HttpClientGenerator.BuildForUrl("http://fake.host");
var cacheManager = new ClientCacheManager();
var testInterface = httpBuilder
.WithCachingStrategy(new AttributeBasedCachingStrategy())
.WithAdditionalDelegatingHandler(h3)
.Create(cacheManager)
.Generate <ITestInterface>();
var result = await testInterface.TestMethodWithCache();
var result1 = await testInterface.TestMethodWithCache();
cacheManager.InvalidateCacheAsync().Wait();
var result2 = await testInterface.TestMethodWithCache();
cacheManager.Dispose();
// assert
result.Should().Be(_result1Str);
result1.Should().Be(_result1Str);
result2.Should().Be(_result2Str);
}
public async Task WorksCorrectlyForManyThreads_InvalidateCacheAsync()
{
// arrange
var(h3, y1) = MakeFakeHttpClientHandler();
var bag = new ConcurrentBag <List <string> >();
var httpBuilder = HttpClientGenerator.BuildForUrl("http://fake.host");
var cacheManager = new ClientCacheManager();
var testInterface = httpBuilder
.WithCachingStrategy(new AttributeBasedCachingStrategy())
.WithAdditionalDelegatingHandler(h3)
.Create(cacheManager)
.Generate <ITestInterface>();
var cacheModifyingTasks = Enumerable
.Range(0, 100)
.Select(x => Task.Factory.StartNew(async() =>
{
var list = new List <string>(2);
var result1 = await testInterface.TestMethodWithCache();
await cacheManager.InvalidateCacheAsync();
var result2 = await testInterface.TestMethodWithCache();
list.Add($"{Thread.CurrentThread.Name} {result1}");
list.Add($"{Thread.CurrentThread.Name} {result2}");
bag.Add(list);
}).Unwrap());
// act
await Task.WhenAll(cacheModifyingTasks);
cacheManager.Dispose();
var results = bag.ToArray().SelectMany(x => x);
var res2Count = results.Count(x => x.Contains(_result2Str));
// assert
res2Count.Should().BeGreaterThan(0);
}
public async Task WhenObjectDisposed_UnsubscribeAll()
{
var subscribers = Enumerable.Range(0, 10)
.Select(x => new MockSubscriber())
.ToList();
ClientCacheManager cacheManager = new ClientCacheManager();
foreach (var subscriber in subscribers)
{
cacheManager.OnInvalidate += subscriber.InvalidateCacheAsync;
}
await cacheManager.InvalidateCacheAsync();
cacheManager.Dispose();
await cacheManager.InvalidateCacheAsync();
foreach (var subscriber in subscribers)
{
//1 Time for each subscriber
subscriber.CacheInvalidatedCallsCount.Should().Be(1);
}
}