public void TestWithCacheDirectives_GetOrSet()
{
var cache = GetScopedCacheWithSlidingExpiration("cache1", TimeSpan.FromMinutes(2));
cache.ClearAll();
var valueTimestamp = DateTimeOffset.UtcNow;
int getterInvocations = 0;
ScopedValue <int> Getter() => new ScopedValue <int>(++getterInvocations, valueTimestamp);
using (CacheDirectives.SetScope(CacheMethod.GetOrSet, valueTimestamp))
{
var result = cache.GetScoped("key", Getter);
Assert.AreEqual(1, getterInvocations);
Assert.AreEqual(CacheMethodTaken.Set | CacheMethodTaken.GetMiss, result.MethodTaken);
Assert.AreEqual(1, result.ScopedValue.Value);
Assert.AreEqual(valueTimestamp, result.ScopedValue.ValueTimestamp);
result = cache.GetScoped("key", Getter);
Assert.AreEqual(CacheMethodTaken.Get, result.MethodTaken);
Assert.AreEqual(1, result.ScopedValue.Value);
Assert.AreEqual(valueTimestamp, result.ScopedValue.ValueTimestamp);
}
}
public void TestWithCacheDirectives_MinimumValueTimestamp_NotUpToDateWithIgnore()
{
var cache = GetScopedCacheWithSlidingExpiration("cache1", TimeSpan.FromMinutes(2));
cache.ClearAll();
var testTimestamp = DateTimeOffset.UtcNow;
int getterInvocations = 0;
ScopedValue <int> Getter() => new ScopedValue <int>(++getterInvocations, testTimestamp.AddHours(-1));
using (CacheDirectives.SetScope(CacheMethod.GetOrSet | CacheMethod.IgnoreMinimumValueTimestamp, testTimestamp))
{
var result = cache.GetScoped("key", Getter);
Assert.AreEqual(CacheMethodTaken.Set | CacheMethodTaken.GetMiss, result.MethodTaken);
using (CacheDirectives.SetScope(CacheMethod.Get | CacheMethod.IgnoreMinimumValueTimestamp,
testTimestamp))
{
}
var cacheMethodTaken = cache.TryGetScoped <int>("key", out _);
Assert.AreEqual(CacheMethodTaken.Get, cacheMethodTaken);
}
}
public void TestWithCacheDirectives_MultipleScopes()
{
var cache = GetScopedCacheWithSlidingExpiration("cache1", TimeSpan.FromMinutes(2));
cache.ClearAll();
var testTimestamp = DateTimeOffset.UtcNow;
int getterInvocations = 0;
ScopedValue <int> Getter() => new ScopedValue <int>(++getterInvocations, DateTimeOffset.UtcNow);
using (CacheDirectives.SetScope(CacheMethod.None, testTimestamp))
{
var result = cache.GetScoped("key", Getter);
Assert.AreEqual(CacheMethodTaken.None, result.MethodTaken);
Assert.AreEqual(1, getterInvocations);
}
using (CacheDirectives.SetScope(CacheMethod.Get, testTimestamp))
{
var result = cache.GetScoped("key", Getter);
Assert.AreEqual(CacheMethodTaken.GetMiss, result.MethodTaken);
Assert.AreEqual(2, getterInvocations);
}
using (CacheDirectives.SetScope(CacheMethod.Set, testTimestamp))
{
var result = cache.GetScoped("key", Getter);
Assert.AreEqual(CacheMethodTaken.Set, result.MethodTaken);
Assert.AreEqual(3, getterInvocations);
}
using (CacheDirectives.SetScope(CacheMethod.None, testTimestamp))
{
var result = cache.GetScoped("key", Getter);
Assert.AreEqual(CacheMethodTaken.None, result.MethodTaken);
Assert.AreEqual(4, getterInvocations);
}
var resultOutsideOfScope = cache.GetScoped("key", Getter);
Assert.AreEqual(CacheMethodTaken.None, resultOutsideOfScope.MethodTaken);
Assert.AreEqual(5, getterInvocations);
Thread.Sleep(1);
using (CacheDirectives.SetScope(CacheMethod.Get, DateTimeOffset.UtcNow))
{
var result = cache.GetScoped("key", Getter);
Assert.AreEqual(CacheMethodTaken.GetMiss, result.MethodTaken);
Assert.AreEqual(6, getterInvocations);
}
using (CacheDirectives.SetScope(CacheMethod.Get, testTimestamp))
{
var result = cache.GetScoped("key", Getter);
Assert.AreEqual(CacheMethodTaken.Get, result.MethodTaken);
Assert.AreEqual(6, getterInvocations);
}
}
public void TestInitialize()
{
CacheManager.Settings = null;
CacheManager.CacheManagerInternals = null;
cacheDirectives = CacheDirectives.SetScope(CacheMethod.GetOrSet, DateTimeOffset.UtcNow);
}
public async Task OnActionExecutionAsync(
ActionExecutingContext context,
ActionExecutionDelegate next)
{
var requestedCacheDirectives = GetCacheDirectivesFromRequest(context);
using (CacheDirectives.SetScope(requestedCacheDirectives))
{
await next().ConfigureAwait(false);
}
}
public async Task <HttpResponseMessage> ExecuteActionFilterAsync(
HttpActionContext actionContext,
CancellationToken cancellationToken,
Func <Task <HttpResponseMessage> > continuation)
{
var requestedCacheDirectives = GetCacheDirectivesFromRequest(actionContext);
using (CacheDirectives.SetScope(requestedCacheDirectives))
{
var response = await continuation().ConfigureAwait(false);
return(response);
}
}
public void TestInitialize()
{
cacheDirectives = CacheDirectives.SetScope(CacheMethod.GetOrSet, DateTimeOffset.UtcNow);
CacheManager.InitializeFromConfig();
foreach (var cacheName in CacheManager.GetCacheNames())
{
try
{
CacheManager.GetCache(cacheName).ClearAll();
}
catch (Exception ex)
{
Console.WriteLine($"Failed to clear cache [{cacheName}] due to: {ex.Message}");
}
}
}
public void TestWithCacheDirectives_Get()
{
var cache = GetScopedCacheWithSlidingExpiration("cache1", TimeSpan.FromMinutes(2));
cache.ClearAll();
int getterInvocations = 0;
ScopedValue <int> Getter() => new ScopedValue <int>(++getterInvocations, DateTimeOffset.UtcNow);
using (CacheDirectives.SetScope(CacheMethod.Get, DateTimeOffset.UtcNow))
{
Assert.AreEqual(CacheMethodTaken.GetMiss, cache.GetScoped("key", Getter).MethodTaken);
Assert.AreEqual(CacheMethodTaken.GetMiss, cache.TryGetScoped <int>("key", out _));
Assert.AreEqual(CacheMethodTaken.GetMiss, cache.GetScoped("key", Getter).MethodTaken);
Assert.AreEqual(2, getterInvocations);
}
}
public void TestWithCacheDirectives_SetScope()
{
var cache = GetScopedCacheWithSlidingExpiration("cache1", TimeSpan.FromMinutes(2));
cache.ClearAll();
int getterInvocations = 0;
ScopedValue <int> Getter() => new ScopedValue <int>(++getterInvocations, DateTimeOffset.UtcNow);
ScopedValue <int> expectedScopedValue;
using (CacheDirectives.SetScope(CacheMethod.Get, DateTimeOffset.UtcNow))
{
using (CacheDirectives.SetScope(CacheMethod.Set, DateTimeOffset.UtcNow))
{
Assert.AreEqual(CacheMethodTaken.None, cache.TryGetScoped <int>("key", out _));
Assert.AreEqual(CacheMethodTaken.Set, cache.GetScoped("key", Getter).MethodTaken);
Assert.AreEqual(CacheMethodTaken.None, cache.TryGetScoped <int>("key", out _));
Assert.AreEqual(1, getterInvocations);
expectedScopedValue = Getter();
expectedScopedValue.ValueTimestamp = expectedScopedValue.ValueTimestamp.AddHours(2);
Assert.AreEqual(CacheMethodTaken.Set,
cache.SetScoped("key2", expectedScopedValue.Value, expectedScopedValue.ValueTimestamp));
}
Assert.AreEqual(CacheMethodTaken.None, cache.SetScoped("key3", 3, DateTimeOffset.UtcNow));
Assert.AreEqual(CacheMethodTaken.GetMiss, cache.TryGetScoped <int>("key3", out _));
Assert.AreEqual(CacheMethodTaken.Get, cache.TryGetScoped <int>("key", out var value));
Assert.AreEqual(1, value?.Value);
using (CacheDirectives.SetScope(CacheMethod.Get, DateTimeOffset.UtcNow.AddHours(1)))
{
Assert.AreEqual(CacheMethodTaken.GetMiss, cache.TryGetScoped <int>("key", out _));
Assert.AreEqual(CacheMethodTaken.Get, cache.TryGetScoped <int>("key2", out _));
}
Assert.AreEqual(CacheMethodTaken.Get, cache.TryGetScoped <int>("key2", out var value2));
Assert.AreEqual(expectedScopedValue.Value, value2?.Value);
Assert.AreEqual(expectedScopedValue.ValueTimestamp, value2?.ValueTimestamp);
}
}
public void TestNoCacheStruct()
{
var cache = new NoCache();
int hits = 0;
Func <ScopedValue <int> > getter = () => { hits++; return(new ScopedValue <int>(hits, DateTimeOffset.UtcNow)); };
GetScopedResult <int> result;
using (CacheDirectives.SetScope(CacheMethod.GetOrSet, DateTimeOffset.UtcNow))
{
result = cache.GetScoped("key", getter);
Assert.AreEqual(1, hits);
Assert.AreEqual(1, result.ScopedValue.Value);
Assert.AreEqual(CacheMethodTaken.None, result.MethodTaken);
result = cache.GetScoped("key", getter);
Assert.AreEqual(2, hits);
Assert.AreEqual(2, result.ScopedValue.Value);
Assert.AreEqual(CacheMethodTaken.None, result.MethodTaken);
}
}
public void TestInitialize()
{
cacheDirectives = CacheDirectives.SetScope(CacheMethod.GetOrSet, DateTimeOffset.UtcNow);
}
static void Run(string[] args)
{
Console.WriteLine($"{nameof(DemoProgram)} has started...");
//general-invalidation
if (args.Any(a => a.ToLowerInvariant() == "general-invalidation"))
{
var pattern = string.Join(" ", args.Skip(1));
Console.WriteLine($"general-invalidation: {pattern}");
var connectionString = CacheManager.GetConnectionString("localRedis").ConnectionString;
using (var connection = ConnectionMultiplexer.Connect(connectionString))
connection.GetSubscriber().Publish("+general-invalidation", args.Last());
}
//invalidate-on-upsert layered
else if (args.Any(a => a.ToLowerInvariant() == "layered-invalidate-on-upsert"))
{
using (CacheDirectives.SetScope(CacheMethod.GetOrSet, DateTimeOffset.UtcNow.AddMinutes(-1)))
{
var layeredCacheNameToTest = string.Join(" ", args.Skip(1));
Console.WriteLine($"testing: layered-invalidate-on-upsert");
Console.WriteLine($"layeredCacheNameToTest={layeredCacheNameToTest}");
var layeredCache = CacheManager.GetCache(LayeredCache);
var layeredCacheWithAutomaticInvalidation = CacheManager.GetCache(layeredCacheNameToTest);
if (layeredCache.TryGet("keyA2", out string a2) && a2 == "valueA2" &&
layeredCacheWithAutomaticInvalidation.TryGet("keyB2", out string b2) && b2 == "valueB2")
{
layeredCache.Set("keyA2", "demoProgram.valueA2");
layeredCacheWithAutomaticInvalidation.Set("keyB2", "demoProgram.valueB2");
Console.WriteLine("Completed!");
}
else
{
Console.WriteLine("invalid!");
}
}
return;
}
// general tests
else
{
var cache = CacheManager.GetCache(LocalCacheWithNotifier);
// Put values in cache
Console.WriteLine("Caching values for key1 & key2.");
cache.Get("key1", () => { return("value1"); });
cache.Get("key2", () => { return("value2"); });
// Clear keys if passed as parameters
if (args.Any(a => a.ToLowerInvariant() == "key1"))
{
Console.WriteLine("Clearing key1 from cache.");
ClearCache(cache, "key1");
}
if (args.Any(a => a.ToLowerInvariant() == "key2"))
{
Console.WriteLine("Clearing key2 from cache.");
ClearCache(cache, "key2");
}
// Otherwise clear all
if (!args.Any())
{
Console.WriteLine("Clearing entire cache.");
ClearCache(cache, null);
}
}
Console.WriteLine($"{nameof(DemoProgram)} has ended.");
Thread.Sleep(1000);
//Console.ReadKey();
}