public void Exercise_SlidingCache()
{
UnitTest.Caching.Policy.CachePolicyManagerTest.TestSetUp();
var coll = new TestRdCollection
{
new TestRd {
Id = 1, Code = "A"
},
new TestRd {
Id = 2, Code = "B"
}
};
var policy = new SlidingCachePolicy
{
Duration = new TimeSpan(0, 0, 3),
MaxDuration = new TimeSpan(0, 0, 4)
};
int dataRequests = 0;
var rdc = new ReferenceDataMultiTenantCache <TestRdCollection, TestRd>(() => { dataRequests++; return(GetData()); });
CachePolicyManager.Current.Set(rdc.PolicyKey, policy);
ExecutionContext.Current.TenantId = GetGuid(08);
// Nothing loaded.
Assert.AreEqual(0, dataRequests);
Assert.AreEqual(0, rdc.Count);
Assert.IsTrue(rdc.IsExpired);
// Now loaded.
var c = rdc.GetCollection();
Assert.AreEqual(1, dataRequests);
Assert.IsNotNull(c);
Assert.AreEqual(2, c.ActiveList.Count);
Assert.AreEqual(1, rdc.Count);
Assert.IsFalse(rdc.IsExpired);
// Multiple cycles to test Max cache
for (int cycle = 0; cycle < 3; cycle++)
{
// Running till max cache expires.
while (!rdc.IsExpired)
{
c = rdc.GetCollection();
Assert.AreEqual(1 + cycle, dataRequests);
Assert.IsNotNull(c);
Assert.AreEqual(2, c.ActiveList.Count);
Assert.AreEqual(1, rdc.Count);
Assert.IsFalse(rdc.IsExpired);
System.Threading.Thread.Sleep((int)Math.Floor(policy.Duration.TotalMilliseconds / 2));
}
// reload collection cached.
c = rdc.GetCollection();
Assert.AreEqual(2 + cycle, dataRequests);
Assert.IsNotNull(c);
Assert.AreEqual(2, c.ActiveList.Count);
Assert.AreEqual(1, rdc.Count);
Assert.IsFalse(rdc.IsExpired);
// New collection cached.
c = rdc.GetCollection();
Assert.AreEqual(2 + cycle, dataRequests);
Assert.IsNotNull(c);
Assert.AreEqual(2, c.ActiveList.Count);
Assert.AreEqual(1, rdc.Count);
Assert.IsFalse(rdc.IsExpired);
}
}
public void Exercise()
{
var sp = UnitTest.Caching.Policy.CachePolicyManagerTest.TestSetUp();
int i = 0;
var rdc = new ReferenceDataMultiTenantCache <TestRdCollection, TestRd>(() => { i++; return(GetData()); });
// Set an execution context.
ExecutionContext.Reset();
ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(1), ServiceProvider = sp
});
// Nothing loaded.
Assert.AreEqual(0, i);
Assert.AreEqual(0, rdc.Count);
Assert.IsTrue(rdc.IsExpired);
// Now loaded.
var c = rdc.GetCollection();
Assert.AreEqual(1, i);
Assert.IsNotNull(c);
Assert.AreEqual(2, c.ActiveList.Count);
Assert.AreEqual(1, rdc.Count);
Assert.IsFalse(rdc.IsExpired);
// Same cached version.
c = rdc.GetCollection();
Assert.AreEqual(1, i);
Assert.IsNotNull(c);
Assert.AreEqual(2, c.ActiveList.Count);
Assert.AreEqual(1, rdc.Count);
Assert.IsFalse(rdc.IsExpired);
// Change the execution context.
ExecutionContext.Reset();
ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(2), ServiceProvider = sp
});
// Now load new tenant.
c = rdc.GetCollection();
Assert.AreEqual(2, i);
Assert.IsNotNull(c);
Assert.AreEqual(3, c.ActiveList.Count);
Assert.AreEqual(2, rdc.Count);
Assert.IsFalse(rdc.IsExpired);
// Flush the cache.
rdc.Flush(true);
Assert.AreEqual(2, i);
Assert.IsTrue(rdc.IsExpired);
Assert.AreEqual(0, rdc.Count);
// New collection cached.
c = rdc.GetCollection();
Assert.AreEqual(3, i);
Assert.IsNotNull(c);
Assert.AreEqual(3, c.ActiveList.Count);
Assert.AreEqual(1, rdc.Count);
Assert.IsFalse(rdc.IsExpired);
}
public void Concurrency()
{
var sp = UnitTest.Caching.Policy.CachePolicyManagerTest.TestSetUp();
int i = 0;
var rdc = new ReferenceDataMultiTenantCache <TestRdCollection, TestRd>(() => { i++; return(GetData()); });
ExecutionContext.Reset();
// Set an execution context.
var tasks = new Task[10];
tasks[0] = Task.Run(() => Timer(0, GetGuid(08), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(08), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[1] = Task.Run(() => Timer(1, GetGuid(09), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(09), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[2] = Task.Run(() => Timer(2, GetGuid(1), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(1), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[3] = Task.Run(() => Timer(3, GetGuid(2), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(2), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[4] = Task.Run(() => Timer(4, GetGuid(08), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(08), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[5] = Task.Run(() => Timer(5, GetGuid(09), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(09), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[6] = Task.Run(() => Timer(6, GetGuid(1), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(1), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[7] = Task.Run(() => Timer(7, GetGuid(2), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(2), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[8] = Task.Run(() => Timer(8, GetGuid(08), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(08), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[9] = Task.Run(() => Timer(9, GetGuid(09), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(09), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
Task.WaitAll(tasks);
TestContext.WriteLine("ROUND TWO");
tasks = new Task[10];
tasks[0] = Task.Run(() => Timer(0, GetGuid(08), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(08), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[1] = Task.Run(() => Timer(1, GetGuid(09), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(09), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[2] = Task.Run(() => Timer(2, GetGuid(1), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(1), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[3] = Task.Run(() => Timer(3, GetGuid(2), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(2), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[4] = Task.Run(() => Timer(4, GetGuid(08), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(08), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[5] = Task.Run(() => Timer(5, GetGuid(09), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(09), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[6] = Task.Run(() => Timer(6, GetGuid(1), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(1), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[7] = Task.Run(() => Timer(7, GetGuid(2), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(2), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[8] = Task.Run(() => Timer(8, GetGuid(08), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(08), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
tasks[9] = Task.Run(() => Timer(9, GetGuid(09), () => { ExecutionContext.SetCurrent(new ExecutionContext {
TenantId = GetGuid(09), ServiceProvider = sp
}); Assert.IsTrue(rdc.GetCollection().ActiveList.Count > 0); }));
Task.WaitAll(tasks);
}