public void PolicyManager()
{
CachePolicyManager.Reset();
var dsc = new DictionarySetCache <int, string>((data) => new KeyValuePair <int, string>[] { new KeyValuePair <int, string>(1, "1"), new KeyValuePair <int, string>(2, "2") });
Assert.IsNotNull(dsc.PolicyKey);
Assert.AreEqual(0, dsc.Count);
Assert.IsTrue(dsc.ContainsKey(1));
Assert.IsTrue(dsc.ContainsKey(2));
Assert.IsFalse(dsc.ContainsKey(3));
Assert.AreEqual(2, dsc.Count);
var policy = new DailyCachePolicy();
CachePolicyManager.Set(dsc.PolicyKey, policy);
var policy2 = dsc.GetPolicy();
Assert.IsNotNull(policy2);
Assert.AreSame(policy, policy2);
var pa = CachePolicyManager.GetPolicies();
Assert.AreEqual(1, pa.Length);
CachePolicyManager.ForceFlush();
Assert.AreEqual(0, dsc.Count);
Assert.IsTrue(dsc.ContainsKey(1));
Assert.IsTrue(dsc.ContainsKey(2));
Assert.IsFalse(dsc.ContainsKey(3));
Assert.AreEqual(2, dsc.Count);
}
/// <summary>
/// Reset (set up) the <see cref="TestSetUp"/> to a known initial state; will result in the <see cref="RegisterSetUp(Func{int, object, bool})">registered</see> set up function being executed.
/// </summary>
/// <param name="setUpIfAlreadyDone">Indicates whether to perform the setup if already done; defaults to <c>true</c>.</param>
/// <param name="data">Optional data to be passed to the resgitered set up function.</param>
/// <remarks>This also invokes the <see cref="CachePolicyManager.ForceFlush"/> and <see cref="DependencyGroupAttribute.Refresh"/>.</remarks>
public static void Reset(bool setUpIfAlreadyDone = true, object?data = null)
{
lock (_lock)
{
if (!_registeredSetUpInvoked || setUpIfAlreadyDone)
{
ShouldContinueRunningTests = true;
CachePolicyManager.ForceFlush();
DependencyGroupAttribute.Refresh();
_registeredSetUpData = data;
_registeredSetUpInvoked = false;
}
}
}
public void CreateAndGetWithForceFlush()
{
CachePolicyManager.IsInternalTracingEnabled = true;
CachePolicyManager.Reset();
// Initialize the cache.
var mtc = new MultiTenantCache <KeyValueCache <int, string> >((g, p) =>
{
if (g.Equals(ToGuid(1)))
{
return(new KeyValueCache <int, string>(p, (k) => k.ToString()));
}
else
{
return(new KeyValueCache <int, string>(p, (k) => "X" + k.ToString()));
}
}, "MultiTenantCacheTest");
var pa = CachePolicyManager.GetPolicies();
Assert.AreEqual(1, pa.Length);
// Check the internal nocachepolicy.
var p0 = pa.Where(x => x.Key.StartsWith("MultiTenantCacheTest_")).SingleOrDefault();
Assert.IsNotNull(p0);
Assert.IsInstanceOf(typeof(NoCachePolicy), p0.Value);
// Check that the cache is empty.
Assert.IsFalse(mtc.Contains(ToGuid(1)));
Assert.AreEqual(0, mtc.Count);
mtc.Remove(ToGuid(1));
// Check the first tenant.
var kvc1 = mtc.GetCache(ToGuid(1));
Assert.IsNotNull(kvc1);
Assert.AreEqual("1", kvc1[1]);
Assert.AreEqual(1, mtc.Count);
// Check the default policy for type.
pa = CachePolicyManager.GetPolicies();
Assert.AreEqual(2, pa.Length);
var p1 = pa.Where(x => x.Key == "MultiTenantCacheTest").SingleOrDefault();
Assert.IsNotNull(p1);
Assert.IsInstanceOf(typeof(NoExpiryCachePolicy), p1.Value);
// Check the second tenant.
var kvc2 = mtc.GetCache(ToGuid(2));
Assert.IsNotNull(kvc2);
Assert.AreEqual("X1", kvc2[1]);
Assert.AreEqual(2, mtc.Count);
// No new PolicyManager policies should be created.
pa = CachePolicyManager.GetPolicies();
Assert.AreEqual(2, pa.Length);
// Flush the cache - nothing should happen as they never expire.
CachePolicyManager.Flush();
Assert.AreEqual(2, mtc.Count);
// Remove a tenant.
mtc.Remove(ToGuid(2));
Assert.IsTrue(mtc.Contains(ToGuid(1)));
Assert.IsFalse(mtc.Contains(ToGuid(2)));
Assert.AreEqual(1, mtc.Count);
Assert.AreEqual(0, kvc2.Count);
// Force flush the cache - should be removed.
CachePolicyManager.ForceFlush();
Assert.IsFalse(mtc.Contains(ToGuid(1)));
Assert.IsFalse(mtc.Contains(ToGuid(2)));
Assert.AreEqual(0, mtc.Count);
Assert.AreEqual(0, kvc1.Count);
}
public void PolicyManager()
{
CachePolicyManager.Reset();
var i = 0;
var mtc = new KeyValueCache <int, string>((key) => { i++; return(key.ToString()); }, "KeyValueCacheTest");
Assert.IsNotNull(mtc.PolicyKey);
var policy = new DailyCachePolicy();
CachePolicyManager.Set(mtc.PolicyKey, policy);
var policy2 = mtc.GetPolicy();
Assert.IsNotNull(policy2);
Assert.AreSame(policy, policy2);
var pa = CachePolicyManager.GetPolicies();
Assert.AreEqual(2, pa.Length);
// Check the internal nocachepolicy.
var p0 = pa.Where(x => x.Key.StartsWith("KeyValueCacheTest_")).SingleOrDefault();
Assert.IsNotNull(p0);
Assert.IsInstanceOf(typeof(NoCachePolicy), p0.Value);
// Check the default policy for type.
var p1 = pa.Where(x => x.Key == "KeyValueCacheTest").SingleOrDefault();
Assert.IsNotNull(p1);
Assert.IsInstanceOf(typeof(DailyCachePolicy), p1.Value);
// Get (add) new item to cache.
var s = mtc[1];
Assert.AreEqual("1", s);
Assert.AreEqual(1, i);
// No new globally managed policies should have been created.
pa = CachePolicyManager.GetPolicies();
Assert.AreEqual(2, pa.Length);
// Check policy for item is DailyCachePolicy but has its own instance.
policy2 = mtc.GetPolicyByKey(1);
Assert.IsNotNull(policy2);
Assert.IsInstanceOf(typeof(DailyCachePolicy), policy2);
Assert.AreNotSame(policy, policy2);
// There should be no policy where item not found.
Assert.IsNull(mtc.GetPolicyByKey(2));
// Flush cache where not expired.
mtc.Flush();
s = mtc[1];
Assert.AreEqual("1", s);
Assert.AreEqual(1, i);
// Force flush; should reload cache after.
CachePolicyManager.ForceFlush();
s = mtc[1];
Assert.AreEqual("1", s);
Assert.AreEqual(2, i);
}
