public void TestSchemaInfoExceptionSerializability()
{
SchemaInfoException ex = new SchemaInfoException(SchemaInfoErrorCode.SchemaInfoNameConflict, "message");
SchemaInfoException deserialized = CommonTestUtils.SerializeDeserialize(ex);
// Validate
Assert.AreEqual(ex.ErrorCode, deserialized.ErrorCode, "ErrorCode");
Assert.AreEqual(ex.ToString(), deserialized.ToString(), "ToString()");
}
public void TestUpdateSchemaInfo()
{
ShardMapManagerFactory.CreateSqlShardMapManager(
Globals.ShardMapManagerConnectionString,
ShardMapManagerCreateMode.ReplaceExisting);
ShardMapManager shardMapManager = ShardMapManagerFactory.GetSqlShardMapManager(
Globals.ShardMapManagerConnectionString,
ShardMapManagerLoadPolicy.Lazy);
SchemaInfoCollection siCollection = shardMapManager.GetSchemaInfoCollection();
SchemaInfo si = new SchemaInfo();
ShardedTableInfo sti = new ShardedTableInfo("dbo", "ShardedTableName1", "ColumnName");
si.Add(sti);
ReferenceTableInfo rtmd = new ReferenceTableInfo("ReferenceTableName1");
si.Add(rtmd);
string mdName = String.Format("TestSI_{0}", Guid.NewGuid());
// Try updating schema info without adding it first.
SchemaInfoException siex = AssertExtensions.AssertThrows <SchemaInfoException>(
() => siCollection.Replace(mdName, si));
Assert.AreEqual(SchemaInfoErrorCode.SchemaInfoNameDoesNotExist, siex.ErrorCode);
siCollection.Add(mdName, si);
SchemaInfo sdmdNew = new SchemaInfo();
sdmdNew.Add(new ShardedTableInfo("dbo", "NewShardedTableName1", "NewColumnName"));
sdmdNew.Add(new ReferenceTableInfo("NewReferenceTableName1"));
siCollection.Replace(mdName, sdmdNew);
SchemaInfo sdmdRead = siCollection.Get(mdName);
Assert.IsTrue(AreEqual <ShardedTableInfo>(sdmdNew.ShardedTables, sdmdRead.ShardedTables));
Assert.IsTrue(AreEqual <ReferenceTableInfo>(sdmdNew.ReferenceTables, sdmdRead.ReferenceTables));
}
public void TestAddAndLookupAndDeleteSchemaInfo()
{
ShardMapManagerFactory.CreateSqlShardMapManager(
Globals.ShardMapManagerConnectionString,
ShardMapManagerCreateMode.ReplaceExisting);
ShardMapManager shardMapManager = ShardMapManagerFactory.GetSqlShardMapManager(
Globals.ShardMapManagerConnectionString,
ShardMapManagerLoadPolicy.Lazy);
#region TestAddAndLookup
SchemaInfoCollection siCollection = shardMapManager.GetSchemaInfoCollection();
SchemaInfo si = new SchemaInfo();
ShardedTableInfo stmd1 = new ShardedTableInfo("ShardedTableName1", "ColumnName");
ShardedTableInfo stmd2 = new ShardedTableInfo("dbo", "ShardedTableName2", "ColumnName");
si.Add(stmd1);
si.Add(stmd2);
Assert.AreEqual(2, si.ShardedTables.Count);
ReferenceTableInfo rtmd1 = new ReferenceTableInfo("ReferenceTableName1");
ReferenceTableInfo rtmd2 = new ReferenceTableInfo("dbo", "ReferenceTableName2");
si.Add(rtmd1);
si.Add(rtmd2);
Assert.AreEqual(2, si.ReferenceTables.Count);
// Add an existing sharded table again. Make sure it doesn't create duplicate entries.
SchemaInfoException siex = AssertExtensions.AssertThrows <SchemaInfoException>(
() => si.Add(new ShardedTableInfo("ShardedTableName1", "ColumnName")));
Assert.AreEqual(SchemaInfoErrorCode.TableInfoAlreadyPresent, siex.ErrorCode);
// Add an existing sharded table with a different key column name. This should fail too.
siex = AssertExtensions.AssertThrows <SchemaInfoException>(
() => si.Add(new ShardedTableInfo("ShardedTableName1", "ColumnName_Different")));
Assert.AreEqual(SchemaInfoErrorCode.TableInfoAlreadyPresent, siex.ErrorCode);
siex = AssertExtensions.AssertThrows <SchemaInfoException>(
() => si.Add(new ShardedTableInfo("dbo", "ShardedTableName2", "ColumnName_Different")));
Assert.AreEqual(SchemaInfoErrorCode.TableInfoAlreadyPresent, siex.ErrorCode);
Assert.AreEqual(2, si.ShardedTables.Count);
// Add an existing reference tables again. Make sure it doesn't create duplicate entries.
siex = AssertExtensions.AssertThrows <SchemaInfoException>(
() => si.Add(new ReferenceTableInfo("dbo", "ReferenceTableName2")));
Assert.AreEqual(SchemaInfoErrorCode.TableInfoAlreadyPresent, siex.ErrorCode);
Assert.AreEqual(2, si.ReferenceTables.Count);
// Now trying adding a reference table as a sharded table and vice versa. Both operations should fail.
siex = AssertExtensions.AssertThrows <SchemaInfoException>(
() => si.Add(new ShardedTableInfo("ReferenceTableName1", "ColumnName")));
Assert.AreEqual(SchemaInfoErrorCode.TableInfoAlreadyPresent, siex.ErrorCode);
Assert.AreEqual(2, si.ShardedTables.Count);
siex = AssertExtensions.AssertThrows <SchemaInfoException>(
() => si.Add(new ReferenceTableInfo("dbo", "ShardedTableName2")));
Assert.AreEqual(SchemaInfoErrorCode.TableInfoAlreadyPresent, siex.ErrorCode);
Assert.AreEqual(2, si.ReferenceTables.Count);
// Try removing an existing table info and adding it back.
si.Remove(stmd1);
si.Add(stmd1);
Assert.AreEqual(2, si.ShardedTables.Count);
si.Remove(rtmd2);
si.Add(rtmd2);
Assert.AreEqual(2, si.ReferenceTables.Count);
// Test with NULL inputs.
ArgumentException arex = AssertExtensions.AssertThrows <ArgumentException>(
() => si.Add((ShardedTableInfo)null));
arex = AssertExtensions.AssertThrows <ArgumentException>(
() => si.Add((ReferenceTableInfo)null));
string mdName = String.Format("TestSI_{0}", Guid.NewGuid());
siCollection.Add(mdName, si);
SchemaInfo sdmdRead = siCollection.Get(mdName);
AssertEqual(si, sdmdRead);
// Trying to add schema info with the same name again will result in a 'name conflict' exception.
siex = AssertExtensions.AssertThrows <SchemaInfoException>(
() => siCollection.Add(mdName, si));
Assert.AreEqual(SchemaInfoErrorCode.SchemaInfoNameConflict, siex.ErrorCode);
#endregion
#region TestLookup
// Try looking up schema info with a non-existent name.
siex = AssertExtensions.AssertThrows <SchemaInfoException>(
() => siCollection.Get(mdName + "Fail"));
Assert.AreEqual(SchemaInfoErrorCode.SchemaInfoNameDoesNotExist, siex.ErrorCode);
#endregion
#region TestDelete
// Try removing any of the recently created schema info.
siCollection.Remove(mdName);
// Lookup should fail on removed data.
siex = AssertExtensions.AssertThrows <SchemaInfoException>(
() => siCollection.Get(mdName));
Assert.AreEqual(SchemaInfoErrorCode.SchemaInfoNameDoesNotExist, siex.ErrorCode);
#endregion
}
