public void Save_ReferenceType_then_get()
{
var key = "key-object";
ICacheProvider cache = new MemoryCacheProvider("region2");
var id1 = new Object();
var id2 = cache.GetOrCreate(key, _ => id1);
Assert.AreEqual(id1, id2);
cache.Expire(key);
Object id3;
var exists = cache.TryGet(key, out id3);
Assert.IsFalse(exists);
Assert.AreNotEqual(id1, id3);
Assert.AreEqual(id3, null);
}
public void Save_ValueType_then_get()
{
var key = "key-guid";
ICacheProvider cache = new MemoryCacheProvider("region1");
var id1 = Guid.NewGuid();
var id2 = cache.GetOrCreate(key, _ => id1);
Assert.AreEqual(id1, id2);
cache.Expire(key);
Guid id3;
var exists = cache.TryGet(key, out id3);
Assert.IsFalse(exists);
Assert.AreNotEqual(id1, id3);
Assert.AreEqual(id3, Guid.Empty);
}
public void Set_then_expire()
{
var key = Guid.NewGuid().ToString();
var value = Guid.NewGuid();
var cache = new MemoryCacheProvider("region6");
cache.Overwrite(key, value);
cache.Expire(key);
Guid value2;
var exist = cache.TryGet(key, out value2);
Assert.IsFalse(exist);
Assert.AreEqual(value2, Guid.Empty);
cache.ExpireAll();
Assert.AreEqual(cache.Count(), 0);
}
public void ExpireTest()
{
var cache = MemoryCache.Default;
// purge all values
foreach (KeyValuePair <string, object> pair in cache)
{
cache.Remove(pair.Key);
}
var provider = new MemoryCacheProvider();
string key = "AddTest" + DateTime.Now.Ticks;
var 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();
// add second value with same tag
string key2 = "AddTest2" + DateTime.Now.Ticks;
var tags2 = new[] { "a", "c" };
var cacheKey2 = new CacheKey(key2, tags2);
var value2 = "Test Value 2 " + DateTime.Now;
var cachePolicy2 = new CachePolicy();
bool result2 = provider.Add(cacheKey2, value2, cachePolicy2);
result2.Should().BeTrue();
// add third value with same tag
string key3 = "AddTest3" + DateTime.Now.Ticks;
var tags3 = new[] { "b", "c" };
var cacheKey3 = new CacheKey(key3, tags3);
var value3 = "Test Value 3 " + DateTime.Now;
var cachePolicy3 = new CachePolicy();
bool result3 = provider.Add(cacheKey3, value3, cachePolicy3);
result3.Should().BeTrue();
var cacheTag = new CacheTag("a");
string tagKey = MemoryCacheProvider.GetTagKey(cacheTag);
tagKey.Should().NotBeNullOrEmpty();
// underlying cache
cache.GetCount().Should().Be(6);
var cachedTag = cache.Get(tagKey);
cachedTag.Should().NotBeNull();
// expire actually just changes the value for tag key
provider.Expire(cacheTag);
var expiredTag = cache.Get(tagKey);
expiredTag.Should().NotBeNull();
expiredTag.Should().NotBe(cachedTag);
// items should have been removed
var expiredValue = provider.Get(cacheKey);
expiredValue.Should().BeNull();
var expiredValue2 = provider.Get(cacheKey2);
expiredValue2.Should().BeNull();
var expiredValue3 = provider.Get(cacheKey3);
expiredValue3.Should().NotBeNull();
cache.GetCount().Should().Be(4);
}