public void DeleteShardMapNonExisting()
{
ShardMapManager smm = ShardMapManagerFactory.GetSqlShardMapManager(
Globals.ShardMapManagerConnectionString,
ShardMapManagerLoadPolicy.Lazy);
ShardMap sm = smm.CreateListShardMap <int>(ShardMapManagerTests.s_shardMapName);
Assert.IsNotNull(sm);
Assert.AreEqual(ShardMapManagerTests.s_shardMapName, sm.Name);
smm.DeleteShardMap(sm);
smm.DeleteShardMap(sm);
}
public void RemoveListShardMapNoCacheUpdate()
{
// Counting store that does not perform deletions of shard maps.
CountingCacheStore cacheStore =
new CountingCacheStore(
new StubCacheStore()
{
CallBase = true,
DeleteShardMapIStoreShardMap = (csm) => { }
}
);
ShardMapManager smm = new ShardMapManager(
new SqlShardMapManagerCredentials(Globals.ShardMapManagerConnectionString),
new SqlStoreConnectionFactory(),
new StoreOperationFactory(),
cacheStore,
ShardMapManagerLoadPolicy.Lazy,
RetryPolicy.DefaultRetryPolicy, RetryBehavior.DefaultRetryBehavior);
ShardMap sm = smm.CreateListShardMap <int>(ShardMapManagerTests.s_shardMapName);
Assert.IsNotNull(sm);
Assert.AreEqual(ShardMapManagerTests.s_shardMapName, sm.Name);
smm.DeleteShardMap(sm);
Assert.AreEqual(1, cacheStore.DeleteShardMapCount);
ShardMap smLookup = smm.LookupShardMapByName("LookupShardMapByName", ShardMapManagerTests.s_shardMapName, true);
Assert.IsNotNull(smLookup);
Assert.AreEqual(1, cacheStore.LookupShardMapHitCount);
}
public void ShardMapManagerTestInitialize()
{
ShardMapManager smm = ShardMapManagerFactory.GetSqlShardMapManager(
Globals.ShardMapManagerConnectionString,
ShardMapManagerLoadPolicy.Lazy);
try
{
ShardMap sm = smm.GetShardMap(ShardMapManagerTests.s_shardMapName);
smm.DeleteShardMap(sm);
}
catch (ShardManagementException smme)
{
Assert.IsTrue(smme.ErrorCode == ShardManagementErrorCode.ShardMapLookupFailure);
}
}
public bool DeleteShardListMap()
{
try
{
if (ShardMapManager == null)
{
return(false);
}
Shard tempShard = null;
PointMapping <long> tempMapping = null;
if (ShardMapManager.TryGetListShardMap(mapManagerName, out lsm))
{
foreach (Shard shard in lsm.GetShards())
{
// delete all mappings
var allMappings = lsm.GetMappings(shard);
for (int i = 0; i < allMappings.Count; i++)
{
lsm.MarkMappingOffline(allMappings[i]);
if (lsm.TryGetMappingForKey(allMappings[i].Value, out tempMapping))
{
lsm.DeleteMapping(tempMapping);
}
}
// delete shard
if (lsm.TryGetShard(shard.Location, out tempShard))
{
lsm.DeleteShard(tempShard);
}
}
}
// clear shard map manager
if (ShardMapManager.TryGetListShardMap(mapManagerName, out lsm))
{
ShardMapManager.DeleteShardMap(lsm);
}
return(true);
}
catch { return(false); }
}
public void RemoveListShardMapAbortGSM()
{
ShardMapManager smm = new ShardMapManager(
new SqlShardMapManagerCredentials(Globals.ShardMapManagerConnectionString),
new SqlStoreConnectionFactory(),
new StubStoreOperationFactory()
{
CallBase = true,
CreateRemoveShardMapGlobalOperationShardMapManagerStringIStoreShardMap =
(_smm, _opname, _ssm) => new NTimeFailingRemoveShardMapGlobalOperation(10, _smm, _opname, _ssm)
},
new CacheStore(),
ShardMapManagerLoadPolicy.Lazy,
new RetryPolicy(1, TimeSpan.Zero, TimeSpan.Zero, TimeSpan.Zero), RetryBehavior.DefaultRetryBehavior);
ShardMap sm = smm.CreateListShardMap <int>(ShardMapManagerTests.s_shardMapName);
Assert.IsNotNull(sm);
Assert.AreEqual(ShardMapManagerTests.s_shardMapName, sm.Name);
bool storeOperationFailed = false;
try
{
smm.DeleteShardMap(sm);
}
catch (ShardManagementException sme)
{
Assert.AreEqual(ShardManagementErrorCategory.ShardMapManager, sme.ErrorCategory);
Assert.AreEqual(ShardManagementErrorCode.StorageOperationFailure, sme.ErrorCode);
storeOperationFailed = true;
}
Assert.IsTrue(storeOperationFailed);
// Verify that shard map still exist in store.
ShardMap smNew = smm.LookupShardMapByName("LookupShardMapByName", ShardMapManagerTests.s_shardMapName, false);
Assert.IsNotNull(smNew);
}
public void DeleteListShardMap()
{
CountingCacheStore cacheStore =
new CountingCacheStore(
new CacheStore());
ShardMapManager smm = new ShardMapManager(
new SqlShardMapManagerCredentials(Globals.ShardMapManagerConnectionString),
new SqlStoreConnectionFactory(),
new StoreOperationFactory(),
cacheStore,
ShardMapManagerLoadPolicy.Lazy,
RetryPolicy.DefaultRetryPolicy,
RetryBehavior.DefaultRetryBehavior);
ShardMap sm = smm.CreateListShardMap <int>(ShardMapManagerTests.s_shardMapName);
Assert.IsNotNull(sm);
Assert.AreEqual(ShardMapManagerTests.s_shardMapName, sm.Name);
ShardMap smLookup = smm.LookupShardMapByName("LookupShardMapByName", ShardMapManagerTests.s_shardMapName, true);
Assert.IsNotNull(smLookup);
Assert.AreEqual(1, cacheStore.LookupShardMapCount);
Assert.AreEqual(1, cacheStore.LookupShardMapHitCount);
smm.DeleteShardMap(sm);
Assert.AreEqual(1, cacheStore.DeleteShardMapCount);
cacheStore.ResetCounters();
// Verify that shard map is removed from cache.
ShardMap smLookupFailure = smm.LookupShardMapByName("LookupShardMapByName", ShardMapManagerTests.s_shardMapName, true);
Assert.IsNull(smLookupFailure);
Assert.AreEqual(1, cacheStore.LookupShardMapCount);
Assert.AreEqual(1, cacheStore.LookupShardMapMissCount);
}
public void RemoveListShardMapNoCacheUpdate()
{
// Counting store that does not perform deletions of shard maps.
CountingCacheStore cacheStore =
new CountingCacheStore(
new StubCacheStore()
{
CallBase = true,
DeleteShardMapIStoreShardMap = (csm) => { }
}
);
ShardMapManager smm = new ShardMapManager(
new SqlShardMapManagerCredentials(Globals.ShardMapManagerConnectionString),
new SqlStoreConnectionFactory(),
new StoreOperationFactory(),
cacheStore,
ShardMapManagerLoadPolicy.Lazy,
RetryPolicy.DefaultRetryPolicy, RetryBehavior.DefaultRetryBehavior);
ShardMap sm = smm.CreateListShardMap<int>(ShardMapManagerTests.s_shardMapName);
Assert.IsNotNull(sm);
Assert.AreEqual(ShardMapManagerTests.s_shardMapName, sm.Name);
smm.DeleteShardMap(sm);
Assert.AreEqual(1, cacheStore.DeleteShardMapCount);
ShardMap smLookup = smm.LookupShardMapByName("LookupShardMapByName", ShardMapManagerTests.s_shardMapName, true);
Assert.IsNotNull(smLookup);
Assert.AreEqual(1, cacheStore.LookupShardMapHitCount);
}
public void RemoveListShardMapAbortGSM()
{
ShardMapManager smm = new ShardMapManager(
new SqlShardMapManagerCredentials(Globals.ShardMapManagerConnectionString),
new SqlStoreConnectionFactory(),
new StubStoreOperationFactory()
{
CallBase = true,
CreateRemoveShardMapGlobalOperationShardMapManagerStringIStoreShardMap =
(_smm, _opname, _ssm) => new NTimeFailingRemoveShardMapGlobalOperation(10, _smm, _opname, _ssm)
},
new CacheStore(),
ShardMapManagerLoadPolicy.Lazy,
new RetryPolicy(1, TimeSpan.Zero, TimeSpan.Zero, TimeSpan.Zero), RetryBehavior.DefaultRetryBehavior);
ShardMap sm = smm.CreateListShardMap<int>(ShardMapManagerTests.s_shardMapName);
Assert.IsNotNull(sm);
Assert.AreEqual(ShardMapManagerTests.s_shardMapName, sm.Name);
bool storeOperationFailed = false;
try
{
smm.DeleteShardMap(sm);
}
catch (ShardManagementException sme)
{
Assert.AreEqual(ShardManagementErrorCategory.ShardMapManager, sme.ErrorCategory);
Assert.AreEqual(ShardManagementErrorCode.StorageOperationFailure, sme.ErrorCode);
storeOperationFailed = true;
}
Assert.IsTrue(storeOperationFailed);
// Verify that shard map still exist in store.
ShardMap smNew = smm.LookupShardMapByName("LookupShardMapByName", ShardMapManagerTests.s_shardMapName, false);
Assert.IsNotNull(smNew);
}
public void DeleteListShardMap()
{
CountingCacheStore cacheStore =
new CountingCacheStore(
new CacheStore());
ShardMapManager smm = new ShardMapManager(
new SqlShardMapManagerCredentials(Globals.ShardMapManagerConnectionString),
new SqlStoreConnectionFactory(),
new StoreOperationFactory(),
cacheStore,
ShardMapManagerLoadPolicy.Lazy,
RetryPolicy.DefaultRetryPolicy,
RetryBehavior.DefaultRetryBehavior);
ShardMap sm = smm.CreateListShardMap<int>(ShardMapManagerTests.s_shardMapName);
Assert.IsNotNull(sm);
Assert.AreEqual(ShardMapManagerTests.s_shardMapName, sm.Name);
ShardMap smLookup = smm.LookupShardMapByName("LookupShardMapByName", ShardMapManagerTests.s_shardMapName, true);
Assert.IsNotNull(smLookup);
Assert.AreEqual(1, cacheStore.LookupShardMapCount);
Assert.AreEqual(1, cacheStore.LookupShardMapHitCount);
smm.DeleteShardMap(sm);
Assert.AreEqual(1, cacheStore.DeleteShardMapCount);
cacheStore.ResetCounters();
// Verify that shard map is removed from cache.
ShardMap smLookupFailure = smm.LookupShardMapByName("LookupShardMapByName", ShardMapManagerTests.s_shardMapName, true);
Assert.IsNull(smLookupFailure);
Assert.AreEqual(1, cacheStore.LookupShardMapCount);
Assert.AreEqual(1, cacheStore.LookupShardMapMissCount);
}
public void ConcurrencyScenarioListShardMap()
{
bool operationFailed; // variable to track status of negative test scenarios
// Create 2 SMM objects representing management and client
ShardMapManager smmMgmt = ShardMapManagerFactory.GetSqlShardMapManager(
Globals.ShardMapManagerConnectionString,
ShardMapManagerLoadPolicy.Lazy);
ShardMapManager smmClient = ShardMapManagerFactory.GetSqlShardMapManager(
Globals.ShardMapManagerConnectionString,
ShardMapManagerLoadPolicy.Lazy);
#region CreateShardMap
// Add a shard map from management SMM.
ShardMap smMgmt = smmMgmt.CreateListShardMap <int>(ShardMapManagerConcurrencyTests.s_shardMapName);
Assert.AreEqual(ShardMapManagerConcurrencyTests.s_shardMapName, smMgmt.Name);
// Lookup shard map from client SMM.
ShardMap smClient = smmClient.GetShardMap(ShardMapManagerConcurrencyTests.s_shardMapName);
Assert.IsNotNull(smClient);
#endregion CreateShardMap
#region ConvertToListShardMap
ListShardMap <int> lsmMgmt = smmMgmt.GetListShardMap <int>(ShardMapManagerConcurrencyTests.s_shardMapName);
Assert.IsNotNull(lsmMgmt);
// look up shard map again, it will
ListShardMap <int> lsmClient = smmClient.GetListShardMap <int>(ShardMapManagerConcurrencyTests.s_shardMapName);
Assert.IsNotNull(lsmClient);
#endregion ConvertToListShardMap
#region DeleteShardMap
// verify that smClient is accessible
IEnumerable <Shard> shardClient = lsmClient.GetShards();
smmMgmt.DeleteShardMap(lsmMgmt);
operationFailed = false;
try
{
// smClient does not exist, below call will fail.
IEnumerable <Shard> sCNew = lsmClient.GetShards();
}
catch (ShardManagementException sme)
{
Assert.AreEqual(ShardManagementErrorCategory.ShardMap, sme.ErrorCategory);
Assert.AreEqual(ShardManagementErrorCode.ShardMapDoesNotExist, sme.ErrorCode);
operationFailed = true;
}
Assert.IsTrue(operationFailed);
#endregion DeleteShardMap
}