public void AddAddsItemToCache()
{
// arrange
const string key = "key";
const string value = "value";
// act
_cache.Add(key, value);
// assert
_cache.Get().Should().HaveCount(1);
_cache.Get(key).Should().BeEquivalentTo(value);
}
/// <summary>
/// Get the status of the selected component
/// </summary>
/// <returns>Dependency object containing the status and other information</returns>
public Dependency GetHealth()
{
//Prevent multiple parallel invocations
lock (lockObj)
{
//Initially assume status is down
attachedDependency.Status = Enums.DependencyStatus.DOWN;
try
{
if (cache.IsCached)
{
if (cacheManager.Contains(attachedDependency.Name))
{
return(cacheManager.GetData <Dependency>(attachedDependency.Name));
}
}
SetHealthImplementation();
if (cache.IsCached)
{
//TODO: cache policy/expiry handling
cacheManager.Add <Dependency>(attachedDependency.Name, attachedDependency);
}
}
catch
{
//TODO: Log?
}
return(attachedDependency);
}
}
public void ChainCacheGet_Success()
{
Customer customer = TestData.CreateCustomer();
// Create the 2 Caches
ICache localCache = new InMemoryCache();
ICache remoteCache = new InMemoryCache();
// Add item to remoteCache
remoteCache.Add <Customer>(customer.Id, customer);
// IChainedCache
// Hookup the cache Chain
ChainedCache chainedCache = new ChainedCache();
chainedCache.LinkFirst(remoteCache);
chainedCache.LinkFirst(localCache);
// This should have 1 miss (debug it to ensure)
Customer cachedCustomer = (Customer)chainedCache.Get(customer.Id);
// This should have 0 miss (debug it to ensure) since it was added in the last Get()
cachedCustomer = (Customer)chainedCache.Get(customer.Id);
// Assert
Assert.IsNotNull(cachedCustomer);
}
} // end of GenerateSqlSlowDict method
#endregion private static methods declarations
#region private methods declarations
/// <summary>Saves single row & slow changing metric</summary>
private void WriteSlowSingleRowToRepository(int targetId, MetricGroup metricGroup, ProbeResultingData data)
{
int dataMatches;
string dataSqlStmt;
object[] newValues;
// compare with in-memory data
dataMatches = this.CompareSlowSingleRowWithInMemoryData(targetId, metricGroup, data, this.reposConn);
// generate SQL statement
dataSqlStmt = GenerateSqlSingleRowSlow(targetId, metricGroup, dataMatches, data);
_logger.Trace(dataSqlStmt);
SqlServerProbe.ExecuteSql(dataSqlStmt, targetId, metricGroup);
// update in-memory data
newValues = new object[data.NumberOfColumns];
for (int i = 0; i < data.NumberOfColumns; i++)
{
newValues[i] = data.values[0, i];
}
if (dataMatches == -1)
{
InMemoryCache.Add(InMemoryCache.GetCacheKey(targetId, metricGroup), -1, new object[] { targetId }, newValues);
}
else
{
Configuration.inMemoryCache[InMemoryCache.GetCacheKey(targetId, metricGroup)].UpdateRowValues(new object[] { targetId }, newValues);
}
} // end of WriteSlowSingleRowToRepository function
public ImportJob(
IImportJobRepository importJobRepository,
InMemoryCache <TradeAccountModel> tradeAcccountModel,
InMemoryCache <TradeMasterAccountModel> tradeMasterAccountModel,
InMemoryCache <TradeInstrumentModel> tradeInstrumentModel,
InMemoryCache <TradeFeeTypeModel> tradeFeeTypesModel,
IContract wcf,
FileNameMatcher fileNameMatcher,
IExtractFileService extractFileService) : base(wcf)
{
_job = Job.Import;
_tradeAccountModel = tradeAcccountModel;
_tradeInstrumentModel = tradeInstrumentModel;
_tradeFeeTypesModel = tradeFeeTypesModel;
_tradeMasterAccountModel = tradeMasterAccountModel;
_importJobRepository = importJobRepository;
_extractFileService = extractFileService;
_fileNameMatcher = fileNameMatcher;
using (var tradeContext = _importJobRepository.BeginOperation())
{
foreach (var masterAccount in _importJobRepository.GetAllMasterAccounts())
{
_tradeMasterAccountModel.Add(masterAccount.AccountName,
new TradeMasterAccountModel {
Id = masterAccount.Id
});
}
foreach (var instrument in _importJobRepository.GetTradeInstrument())
{
_tradeInstrumentModel.Add(instrument.InstrumentName,
new TradeInstrumentModel {
Id = instrument.Id
});
}
foreach (var trade in _importJobRepository.GetTradeAccount())
{
_tradeAccountModel.Add(trade.AccountName, new TradeAccountModel {
Id = trade.Id
});
}
foreach (var tradeFeeType in _importJobRepository.GetTradeFeeType())
{
_tradeFeeTypesModel.Add(tradeFeeType.TradeFeeTypeName,
new TradeFeeTypeModel {
Id = tradeFeeType.Id
});
}
}
}
public void Return_True_When_A_Value_Is_Successfully_Added()
{
// Arrange
const string cacheName = "SuperHeroesCache";
var cache = new InMemoryCache( cacheName );
var superman = new SuperHero { SuperHeroName = "Superman", RealFirstName = "Clark", RealLastName = "Kent" };
// Act
var valueAdded = cache.Add( superman.SuperHeroName, superman );
// Assert
Assert.True( valueAdded );
}
public void Return_False_When_A_Null_Value_Is_Added()
{
// Arrange
const string cacheName = "SuperHeroesCache";
var cache = new InMemoryCache( cacheName );
SuperHero superman = null;
// Act
var valueAdded = cache.Add( "Superman", superman );
// Assert
Assert.False( valueAdded );
}
public ImportJob(
IImportJobRepository importJobRepository,
InMemoryCache <TradeAccountModel> tradeAcccountModel,
InMemoryCache <TradeInstrumentModel> tradeInstrumentModel,
InMemoryCache <TradeFeeTypeModel> tradeFeeTypesModel,
FileNameMatcher fileNameMatcher,
IExtractFileService extractFileService)
{
var jobInterval = ConfigurationManager.AppSettings["job:ImportJobInterval"];
if (string.IsNullOrEmpty(jobInterval))
{
throw new ConfigurationErrorsException("Please add 'job:ImportJobInterval' settigns to .config file.");
}
JobInterval = int.Parse(jobInterval);
_tradeAccountModel = tradeAcccountModel;
_tradeInstrumentModel = tradeInstrumentModel;
_tradeFeeTypesModel = tradeFeeTypesModel;
_importJobRepository = importJobRepository;
_extractFileService = extractFileService;
_fileNameMatcher = fileNameMatcher;
using (var tradeContext = _importJobRepository.BeginOperation())
{
foreach (var instrument in _importJobRepository.GetTradeInstrument())
{
_tradeInstrumentModel.Add(instrument.InstrumentName,
new TradeInstrumentModel {
Id = instrument.Id
});
}
foreach (var trade in _importJobRepository.GetTradeAccount())
{
_tradeAccountModel.Add(trade.AccountName, new TradeAccountModel {
Id = trade.Id
});
}
foreach (var tradeFeeType in _importJobRepository.GetTradeFeeType())
{
_tradeFeeTypesModel.Add(tradeFeeType.TradeFeeTypeName,
new TradeFeeTypeModel {
Id = tradeFeeType.Id
});
}
}
}
public void GoingOverTheAllowedMemoryShouldTriggerAnImmediateCleanUp()
{
var timeMock = new Mock <ICurrentDateAndTimeProvider>(MockBehavior.Strict);
timeMock.Setup(x => x.GetCurrentDateTime()).Returns(DateTime.UtcNow.AddDays(-1));
using (InMemoryCache cache = new InMemoryCache(_cleanupInterval, 1000, timeMock.Object))
{
cache.SetLastExpirationScan(DateTime.MinValue);
cache.Add(Guid.NewGuid().ToString(), new CachedObject {
ObjectSize = 10000, Value = _testObject1, ExpireAt = DateTime.UtcNow.AddDays(-1)
});
WaitFor(0.1);
Assert.Equal(0, cache.Count);
}
}
public void AddGetRemove_Success()
{
// Arrange
Customer customer = TestData.CreateCustomer();
ICache cache = new InMemoryCache();
// Add, Get and Assert
cache.Add(customer.Id.ToString(), customer);
object customerObject = cache.Get(customer.Id.ToString());
// Assert
Assert.IsNotNull(customerObject);
Assert.IsInstanceOfType(customerObject, typeof(Customer));
// Remove and Assert
cache.Remove(customer.Id.ToString());
customerObject = cache.Get(customer.Id.ToString());
Assert.IsNull(customerObject);
}
public void AddingLargeItemsToCacheShouldDelayTheCleanUpUntilMaximumAllowedItemIsReached()
{
var cleanupInterval = TimeSpan.FromSeconds(5);
using (InMemoryCache cache = new InMemoryCache(cleanupInterval, 1000))
{
var sw = Stopwatch.StartNew();
var cpt = 0;
while (sw.Elapsed < cleanupInterval.Subtract(TimeSpan.FromMilliseconds(200)))
{
cache.Add(Guid.NewGuid().ToString(), new CachedObject {
ObjectSize = 10000, Value = _testObject1, ExpireAt = DateTime.UtcNow.AddDays(-1)
});
WaitFor(0.1);
cpt++;
Assert.NotEqual(0, cache.Count);
}
WaitFor(0.5);
Assert.Equal(0, cache.Count);
}
}
public async Task <IPEndPoint> ResolveAsync(string endpoint, int port, IpVersion ipVersion = IpVersion.IpV4, CancellationToken token = default(CancellationToken))
{
string cacheKey = $"{endpoint}:{port}:{ipVersion}";
if (port < IPEndPoint.MinPort || port > IPEndPoint.MaxPort)
{
throw new ArgumentOutOfRangeException(nameof(port));
}
if (cache.HasKey(cacheKey))
{
return(cache.Get <IPEndPoint>(cacheKey));
}
var addressFamily = ipVersion.HasFlag(IpVersion.IpV4)
? AddressFamily.InterNetwork
: AddressFamily.InterNetworkV6;
token.ThrowIfCancellationRequested();
IPEndPoint ipEndpoint;
var ipAddress = TryGetIpAddress(endpoint);
if (ipAddress != null)
{
ipEndpoint = new IPEndPoint(ipAddress, port);
cache.Add(cacheKey, ipEndpoint, TimeSpan.FromMinutes(60));
return(ipEndpoint);
}
try
{
#if NET40
var allAddresses = Dns.GetHostAddresses(endpoint);
#else
var allAddresses = await Dns.GetHostAddressesAsync(endpoint);
#endif
var firstAddressInFamily = allAddresses.FirstOrDefault(x => x.AddressFamily == addressFamily);
if (firstAddressInFamily != null)
{
ipEndpoint = new IPEndPoint(firstAddressInFamily, port);
cache.Add(cacheKey, ipEndpoint, TimeSpan.FromMinutes(60));
return(ipEndpoint);
}
if (addressFamily == AddressFamily.InterNetwork && ipVersion.HasFlag(IpVersion.IpV6))
{
ipEndpoint = await ResolveAsync(endpoint, port, IpVersion.IpV6, token);
if (ipEndpoint != null)
{
cache.Add(cacheKey, ipEndpoint, TimeSpan.FromMinutes(60));
return(ipEndpoint);
}
}
var firstAddress = allAddresses.FirstOrDefault();
if (firstAddress == null)
{
return(null);
}
switch (firstAddress.AddressFamily)
{
case AddressFamily.InterNetwork:
#if NET40
ipEndpoint = new IPEndPoint(firstAddress, port);
#else
ipEndpoint = new IPEndPoint(firstAddress.MapToIPv6(), port);
#endif
break;
case AddressFamily.InterNetworkV6:
#if NET40
ipEndpoint = new IPEndPoint(firstAddress, port);
#else
ipEndpoint = new IPEndPoint(firstAddress.MapToIPv4(), port);
#endif
break;
default:
return(null);
}
cache.Add(cacheKey, ipEndpoint, TimeSpan.FromMinutes(60));
return(ipEndpoint);
}
catch
{
return(null);
}
}
public void CountShouldReturnTheNumberOfItemsInTheCache()
{
Assert.Equal(0, _cache.Count);
_cache.Add(_testObject1.Value.ToString(), new CachedObject {
ObjectSize = 1, Value = _testObject1
});
Assert.Equal(1, _cache.Count);
Assert.Equal(1, _cache.OrderedCacheKeysCount);
Assert.Equal(1, _cache.EstimatedMemorySize);
_cache.Add(_testObject2.Value.ToString(), new CachedObject {
ObjectSize = 2, Value = _testObject2
});
Assert.Equal(2, _cache.Count);
Assert.Equal(2, _cache.OrderedCacheKeysCount);
Assert.Equal(3, _cache.EstimatedMemorySize);
_cache.Remove(_testObject1.Value.ToString());
Assert.Equal(1, _cache.Count);
Assert.Equal(1, _cache.OrderedCacheKeysCount);
Assert.Equal(2, _cache.EstimatedMemorySize);
}
