public void ReplaceIfExistsTests()
{
string cacheKey = "ReplaceIfExistsTests";
handler.Remove(cacheKey);
//No entry tests
string testValue = "TestValue";
bool funcCalled = false;
handler.ReplaceIfExists <string>(cacheKey, x => { funcCalled = true; return(testValue.ToUpper()); });
Assert.AreEqual(false, handler.Exists(cacheKey));
Assert.AreEqual(false, funcCalled);
handler.ReplaceIfExists(cacheKey, testValue);
Assert.AreEqual(false, handler.Exists(cacheKey));
//This won't pass with NullCacheHandler
if (handler.CacheEnabled)
{
//Existing Entry tests
handler.Replace(cacheKey, testValue);
Assert.AreEqual(true, handler.Exists(cacheKey));
handler.ReplaceIfExists(cacheKey, testValue.ToUpper());
Assert.AreEqual(true, handler.Exists(cacheKey));
Assert.AreEqual(testValue.ToUpper(), handler.Retrieve <string>(cacheKey));
handler.ReplaceIfExists <string>(cacheKey, x => { funcCalled = true; return($"{testValue}{testValue}".ToUpper()); });
Assert.AreEqual(true, funcCalled);
Assert.AreEqual($"{testValue}{testValue}".ToUpper(), handler.Retrieve <string>(cacheKey));
}
handler.Remove(cacheKey);
}