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); }