public void ShouldExpireCacheAfterConfigurableTime()
{
const string PolicyKey = "MDM.Market";
var appSettings = new NameValueCollection();
appSettings["CacheItemPolicy.Expiration." + PolicyKey] = "8";
var configManager = new Mock<IConfigurationManager>();
configManager.Setup(x => x.AppSettings).Returns(appSettings);
ICacheItemPolicyFactory policyFactory = new AbsoluteCacheItemPolicyFactory(PolicyKey, configManager.Object);
var policyItem = policyFactory.CreatePolicy();
var marketName = "ABC market";
var marketKey = "Market-1";
var cache = new MemoryCache("MDM.Market");
cache.Add(marketKey, marketName, policyItem);
// Should get cache item
Assert.AreEqual(marketName, cache[marketKey]);
// Keep on accessing cache, it should expire approximately with in 10 iterations
int count = 0;
while (cache[marketKey] != null && count < 10)
{
count++;
Thread.Sleep(TimeSpan.FromSeconds(1));
}
Console.WriteLine("Cache has expired in {0} seconds:", count);
// should not be in the cache after configuratble time
Assert.IsNull(cache[marketKey]);
}
public void ShouldCreateAbsoluteCacheItemPolicyBasedOnTheConfiguration()
{
const string PolicyKey = "MDM.Market";
var appSettings = new NameValueCollection();
appSettings["CacheItemPolicy.Expiration." + PolicyKey] = "8";
var configManager = new Mock<IConfigurationManager>();
configManager.Setup(x => x.AppSettings).Returns(appSettings);
ICacheItemPolicyFactory policyFactory = new AbsoluteCacheItemPolicyFactory(PolicyKey, configManager.Object);
var policyItem = policyFactory.CreatePolicy();
var marketName = "ABC market";
var marketKey = "Market-1";
var cache = new MemoryCache("MDM.Market");
cache.Add(marketKey, marketName, policyItem);
// Should get cache item
Assert.AreEqual(marketName, cache[marketKey]);
// wait until the expiry time
Thread.Sleep(TimeSpan.FromSeconds(10));
// should not be in the cache
Assert.IsNull(cache[marketKey]);
}
public void ShouldRetrieveFromCacheIfClientRequestByNexusIdMapping()
{
const string CacheKey = "MDM.SourceSystem";
// Given
var mockMdmEntityService = new Mock<IMdmEntityService<SourceSystem>>();
var mockConfigManager = new Mock<IConfigurationManager>();
var inmemoryCacheRepo = new DefaultMdmClientCacheRepository(new InMemoryCacheRepository());
mockConfigManager.Setup(x => x.AppSettings).Returns(new NameValueCollection { { "CacheItemPolicy.Expiration." + CacheKey, "3500" } });
var cachePolicyFactory = new AbsoluteCacheItemPolicyFactory(CacheKey, mockConfigManager.Object);
var locationEntityService = new CachePolicyMdmEntityService<SourceSystem>(mockMdmEntityService.Object, cachePolicyFactory,inmemoryCacheRepo);
var nexusId = new MdmId { SystemName = "Nexus", Identifier = "1", IsMdmId = true };
var location = new SourceSystem
{
Identifiers = new MdmIdList { nexusId },
Details = new SourceSystemDetails { Name = "Blah" }
};
//Setup a context, i.e. calling once to retrieve location should cache an entity..
mockMdmEntityService.Setup(x => x.Get(1, It.IsAny<DateTime?>())).Returns(
new WebResponse<SourceSystem> { Code = HttpStatusCode.OK, IsValid = true, Message = location });
var response = locationEntityService.Get(nexusId);
response.Code.Should().Be(HttpStatusCode.OK);
response.Message.ToMdmId().Identifier.Should().Be(nexusId.Identifier);
// When , we call second time..
response = locationEntityService.Get(nexusId);
// Then
// It should not call mdm service again... should retrive form cache, so that verify...
mockMdmEntityService.Verify(x => x.Get(1, It.IsAny<DateTime?>()), Times.Once());
mockMdmEntityService.Verify(x => x.Get(It.IsAny<MdmId>(), It.IsAny<DateTime?>()), Times.Never());
response.Code.Should().Be(HttpStatusCode.OK);
response.Message.ToMdmId().Identifier.Should().Be(nexusId.Identifier);
}
public static void RegisterAbsoluteCacheItemPolicyFactory(this IUnityContainer container, string key)
{
var policyFactory = new AbsoluteCacheItemPolicyFactory(key);
container.RegisterInstance <ICacheItemPolicyFactory>(key, policyFactory);
}
public static void RegisterAbsoluteCacheItemPolicyFactory(this IUnityContainer container, string key)
{
var policyFactory = new AbsoluteCacheItemPolicyFactory(key);
container.RegisterInstance<ICacheItemPolicyFactory>(key, policyFactory);
}