public void Get_returns_up_to_date_item_when_interval_is_zero()
{
TestRemoteItemsGetter testRemoteItemsGetter = new TestRemoteItemsGetter();
int callNumber = 0;
testRemoteItemsGetter.OnGetRemoteItem = k =>
{
callNumber++;
return(k + ":" + callNumber.ToString());
};
ItemsCache <string, string> itemsCache = new ItemsCache <string, string>(testRemoteItemsGetter);
var gottenCacheItem = itemsCache.Get("k1", 1);
var timeWhenGottenFromRemote = gottenCacheItem.LastUpdate;
Thread.Sleep(10);
gottenCacheItem = itemsCache.Get("k1", 0);
Assert.AreEqual("k1:2", gottenCacheItem.Item);
Assert.AreEqual(false, gottenCacheItem.FromCache);
//Assert.AreEqual("k1", gottenCacheItem.Key);
Assert.AreNotEqual(timeWhenGottenFromRemote, gottenCacheItem.LastUpdate);
Assert.AreNotEqual(gottenCacheItem.LastChange, gottenCacheItem.LastUpdate);
}
public void Get_returns_up_to_date_item()
{
TestRemoteItemsGetter testRemoteItemsGetter = new TestRemoteItemsGetter();
int callNumber = 0;
testRemoteItemsGetter.OnGetRemoteItem = k =>
{
callNumber++;
return(k + ":" + callNumber.ToString());
};
ItemsCache <string, string> itemsCache = new ItemsCache <string, string>(testRemoteItemsGetter);
var actual = itemsCache.Get("k1");
var expected = "k1:1";
Assert.AreEqual(expected, actual);
actual = itemsCache.Get("k1");
expected = "k1:2";
Assert.AreEqual(expected, actual);
actual = itemsCache.Get("k2");
expected = "k2:3";
Assert.AreEqual(expected, actual);
actual = itemsCache.Get("k2");
expected = "k2:4";
Assert.AreEqual(expected, actual);
}
public void Get_returns_non_cached_item_1st_time()
{
TestRemoteItemsGetter testRemoteItemsGetter = new TestRemoteItemsGetter();
int callNumber = 0;
testRemoteItemsGetter.OnGetRemoteItem = k =>
{
callNumber++;
return(k + ":" + callNumber.ToString());
};
ItemsCache <string, string> itemsCache = new ItemsCache <string, string>(testRemoteItemsGetter);
var gottenCacheItem = itemsCache.Get("k1", 1);
var timeWhenGottenFromRemote = DateTime.UtcNow;
Assert.AreEqual("k1:1", gottenCacheItem.Item);
Assert.AreEqual(false, gottenCacheItem.FromCache);
//Assert.AreEqual("k1", gottenCacheItem.Key);
Assert.AreEqual(timeWhenGottenFromRemote.TrimMilliseconds(), gottenCacheItem.LastUpdate.TrimMilliseconds());
Assert.AreEqual(timeWhenGottenFromRemote.TrimMilliseconds(), gottenCacheItem.LastChange.TrimMilliseconds());
}
public void Get_returns_cached_item()
{
TestRemoteItemsGetter testRemoteItemsGetter = new TestRemoteItemsGetter();
int callNumber = 0;
testRemoteItemsGetter.OnGetRemoteItem = k =>
{
callNumber++;
return(k + ":" + callNumber.ToString());
};
ItemsCache <string, string> itemsCache = new ItemsCache <string, string>(testRemoteItemsGetter);
var gottenCacheItem = itemsCache.Get("k1", 1);
var timeWhenGottenFromRemote = gottenCacheItem.LastUpdate;
Thread.Sleep(1);
gottenCacheItem = itemsCache.Get("k1", 5);
Assert.AreEqual("k1:1", gottenCacheItem.Item);
Assert.AreEqual(true, gottenCacheItem.FromCache);
//Assert.AreEqual("k1", gottenCacheItem.Key);
Assert.AreEqual(timeWhenGottenFromRemote, gottenCacheItem.LastUpdate);
}
