public void CanWriteCacheVaryByRules()
{
var cache = new MemoryDistributedCache(Options.Create(new MemoryDistributedCacheOptions()));
var responseCache = new DistributedResponseCache(cache);
using var stream = new MemoryStream();
using (var writer = new StreamWriter(stream, leaveOpen: true))
{
writer.Write("data");
}
stream.Position = 0;
Assert.That(() => responseCache.Set("test", new CachedVaryByRules
{
Headers = new StringValues("x-test-header"),
QueryKeys = new StringValues("x-test-query"),
VaryByKeyPrefix = "test"
}, TimeSpan.FromMinutes(1)), Throws.Nothing);
var item = responseCache.Get("test");
Assert.That(item, Is.Not.Null);
var realItem = item as CachedVaryByRules;
Assert.That(item, Is.Not.Null);
}
public void CanReadCache()
{
string json = "{\"Created\":\"0001-01-01T00:00:00+00:00\",\"StatusCode\":0,\"Headers\":[{\"Key\":\"x-test-header\",\"Value\":[\"testing...testing\"]}],\"Body\":\"ZGF0YQ==\"}";
using var stream = new MemoryStream();
using (var binaryWriter = new BinaryWriter(stream, Encoding.UTF8, true))
{
binaryWriter.Write("SerializableCachedResponse");
binaryWriter.Flush();
}
using var writer = new StreamWriter(stream, leaveOpen: true);
writer.Write(json);
writer.Flush();
stream.Position = 0;
var mockDistributedCache = new Mock <IDistributedCache>();
mockDistributedCache.Setup(cache => cache.GetAsync(It.IsAny <string>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(stream.ToArray());
var responseCache = new DistributedResponseCache(mockDistributedCache.Object);
var savedValue = responseCache.Get("somekey") as CachedResponse;
Assert.That(savedValue, Is.Not.Null);
Assert.That(savedValue.Headers["x-test-header"], Is.EqualTo("testing...testing"));
using var reader = new StreamReader(savedValue.Body);
string body = reader.ReadToEnd();
Assert.That(body, Is.EqualTo("data"));
}
public IResponseCacheEntry Get(string key)
{
if (cacheController.ShouldClearCache)
{
distributedCache.Remove(key);
}
if (!cacheController.ShouldReadFromCache || cacheController.ShouldClearCache)
{
return(null);
}
return(cache.Get(key));
}