public void AddWithTagsTest()
{
var provider = new MemoryCacheProvider();
string key = "AddTest" + DateTime.Now.Ticks;
string[] tags = new[] { "a", "b" };
var cacheKey = new CacheKey(key, tags);
var value = "Test Value " + DateTime.Now;
var cachePolicy = new CachePolicy();
bool result = provider.Add(cacheKey, value, cachePolicy);
result.Should().BeTrue();
// look in underlying MemoryCache
string innerKey = MemoryCacheProvider.GetKey(cacheKey);
var cachedValue = MemoryCache.Default.Get(innerKey);
cachedValue.Should().NotBeNull();
cachedValue.Should().Be(value);
// make sure cache key is in underlying MemoryCache
var cacheTag = new CacheTag("a");
string tagKey = MemoryCacheProvider.GetTagKey(cacheTag);
tagKey.Should().NotBeNullOrEmpty();
var cachedTag = MemoryCache.Default.Get(tagKey);
cachedTag.Should().NotBeNull();
}
public void RemoveTest()
{
var provider = new MemoryCacheProvider();
var cacheKey = new CacheKey("AddTest" + DateTime.Now.Ticks);
var value = "Test Value " + DateTime.Now;
var cachePolicy = new CachePolicy();
bool result = provider.Add(cacheKey, value, cachePolicy);
result.Should().BeTrue();
// look in underlying MemoryCache
string innerKey = MemoryCacheProvider.GetKey(cacheKey);
var cachedValue = MemoryCache.Default.Get(innerKey);
cachedValue.Should().NotBeNull();
cachedValue.Should().Be(value);
var removed = provider.Remove(cacheKey);
removed.Should().NotBeNull();
removed.Should().Be(value);
// look in underlying MemoryCache
var previous = MemoryCache.Default.Get(innerKey);
previous.Should().BeNull();
}
public void SetTest()
{
var provider = new MemoryCacheProvider();
var cacheKey = new CacheKey("SetTest" + DateTime.Now.Ticks);
var value = "Set Value " + DateTime.Now;
var cachePolicy = new CachePolicy();
bool result = provider.Set(cacheKey, value, cachePolicy);
result.Should().BeTrue();
// look in underlying MemoryCache
string innerKey = MemoryCacheProvider.GetKey(cacheKey);
var cachedValue = MemoryCache.Default.Get(innerKey);
cachedValue.Should().NotBeNull();
cachedValue.Should().Be(value);
var value2 = "Set Value " + DateTime.Now;
bool result2 = provider.Set(cacheKey, value2, cachePolicy);
result2.Should().BeTrue();
var cachedValue2 = MemoryCache.Default.Get(innerKey);
cachedValue2.Should().NotBeNull();
cachedValue2.Should().Be(value2);
}
public void GetOrAddTest()
{
var provider = new MemoryCacheProvider();
var cacheKey = new CacheKey("AddTest" + DateTime.Now.Ticks);
var value = "Test Value " + DateTime.Now;
var cachePolicy = new CachePolicy();
int callCount = 0;
Func <CacheKey, object> valueFactory = k =>
{
callCount++;
return(value);
};
var result = provider.GetOrAdd(cacheKey, valueFactory, cachePolicy);
result.Should().Be(value);
callCount.Should().Be(1);
// look in underlying MemoryCache
string innerKey = MemoryCacheProvider.GetKey(cacheKey);
var cachedValue = MemoryCache.Default.Get(innerKey);
cachedValue.Should().NotBeNull();
cachedValue.Should().Be(value);
callCount = 0;
var result2 = provider.GetOrAdd(cacheKey, valueFactory, cachePolicy);
result2.Should().Be(value);
callCount.Should().Be(0);
}