public void LoadWithCallback_TestMethod()
{
var cacheDataController = new CacheDataController();
var mockCacheData = new Mock <ICacheData>();
mockCacheData.SetupProperty(m => m.IsCached, false);
mockCacheData.Setup(m => m.Load(false)).Callback(() => mockCacheData.Object.IsCached = true);
var callbackExecuted = false;
cacheDataController.Initialize(mockCacheData.Object);
cacheDataController.LoadWithCallback(() => { callbackExecuted = true; });
// Wait for a maximum of 1 second for the callback to be called
for (int i = 0; i < 10; i++)
{
if (callbackExecuted)
{
break;
}
Thread.Sleep(100);
}
if (!callbackExecuted)
{
Assert.Fail("Boolean value was not set to true");
}
mockCacheData.Verify(m => m.Load(false), Times.Once());
Assert.IsTrue(cacheDataController.IsCached, "IsCached should be true after load");
}
private static void TestLoadWithCallback(ICacheController cache, CacheDataController data)
{
var loadNotificationCount = 0;
var startStatusReceived = false;
var completeStatusRecieved = false;
var mre = new ManualResetEvent(false);
Action<LoadingStatus, int, string> callback = (status, loadingKey, loadingMessage) =>
{
switch (status)
{
case LoadingStatus.Starting:
startStatusReceived = true;
break;
case LoadingStatus.Loading:
break;
case LoadingStatus.Loaded:
completeStatusRecieved = true;
break;
default:
throw new ArgumentOutOfRangeException("status");
}
// ReSharper disable AccessToModifiedClosure
loadNotificationCount++;
// ReSharper restore AccessToModifiedClosure
};
cache.SetupLoadNotification(typeof(TestCacheData), CacheNotificationAction.Add,
callback);
var callbackRaised = false;
data.LoadWithCallback(() =>
{
callbackRaised = true;
mre.Set();
});
mre.WaitOne(1000);
Assert.IsTrue(callbackRaised, "Callback was not raised");
Assert.IsTrue(startStatusReceived, "Start status missing");
Assert.IsTrue(loadNotificationCount == 2, "There should be 2 LoadNotification messages");
Assert.IsTrue(completeStatusRecieved, "Complete status missing");
cache.SetupLoadNotification(typeof(TestCacheData), CacheNotificationAction.Remove, callback);
// Return to a IsCached = false state
cache.Invalidate();
}
