//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldDropUniquenessConstraintWithBackingIndexHavingNoOwner() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldDropUniquenessConstraintWithBackingIndexHavingNoOwner()
{
// given
using ( Transaction tx = Db.beginTx() )
{
Db.schema().constraintFor(_label).assertPropertyIsUnique(_key).create();
tx.Success();
}
// when intentionally breaking the schema by setting the backing index rule to unused
RecordStorageEngine storageEngine = Db.DependencyResolver.resolveDependency( typeof( RecordStorageEngine ) );
SchemaStore schemaStore = storageEngine.TestAccessNeoStores().SchemaStore;
SchemaRule indexRule = single( filter( rule => rule is StoreIndexDescriptor, schemaStore.LoadAllSchemaRules() ) );
SetOwnerNull( schemaStore, ( StoreIndexDescriptor ) indexRule );
// At this point the SchemaCache doesn't know about this change so we have to reload it
storageEngine.LoadSchemaCache();
using ( Transaction tx = Db.beginTx() )
{
single( Db.schema().getConstraints(_label).GetEnumerator() ).drop();
tx.Success();
}
// then
using ( Transaction ignore = Db.beginTx() )
{
assertFalse( Db.schema().Constraints.GetEnumerator().hasNext() );
assertFalse( Db.schema().Indexes.GetEnumerator().hasNext() );
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldDropUniquenessConstraintWhereConstraintRecordIsMissingAndIndexHasNoOwner() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldDropUniquenessConstraintWhereConstraintRecordIsMissingAndIndexHasNoOwner()
{
// given
using ( Transaction tx = Db.beginTx() )
{
Db.schema().constraintFor(_label).assertPropertyIsUnique(_key).create();
tx.Success();
}
// when intentionally breaking the schema by setting the backing index rule to unused
RecordStorageEngine storageEngine = Db.DependencyResolver.resolveDependency( typeof( RecordStorageEngine ) );
SchemaStore schemaStore = storageEngine.TestAccessNeoStores().SchemaStore;
SchemaRule constraintRule = single( filter( rule => rule is ConstraintRule, schemaStore.LoadAllSchemaRules() ) );
SetSchemaRecordNotInUse( schemaStore, constraintRule.Id );
SchemaRule indexRule = single( filter( rule => rule is StoreIndexDescriptor, schemaStore.LoadAllSchemaRules() ) );
SetOwnerNull( schemaStore, ( StoreIndexDescriptor ) indexRule );
// At this point the SchemaCache doesn't know about this change so we have to reload it
storageEngine.LoadSchemaCache();
using ( Transaction tx = Db.beginTx() )
{
// We don't use single() here, because it is okay for the schema cache reload to clean up after us.
Db.schema().getConstraints(_label).forEach(ConstraintDefinition.drop);
Db.schema().getIndexes(_label).forEach(IndexDefinition.drop);
tx.Success();
}
// then
using ( Transaction ignore = Db.beginTx() )
{
assertFalse( Db.schema().Constraints.GetEnumerator().hasNext() );
assertFalse( Db.schema().Indexes.GetEnumerator().hasNext() );
}
}