public void When_migrating_down_Then_all_migrations_are_used()
{
// Arrange
BsonDocument document = new BsonDocument
{
{ "Version", "0.0.2" },
{ "Door", 3 }
};
// Act
_runner.Run(typeof(TestDocumentWithTwoMigration), document);
// Assert
document.Names.ToList()[1].Should().Be("Dors");
document.Values.ToList()[0].AsString.Should().Be("0.0.0");
}
public override TDocument Deserialize(BsonDeserializationContext context, BsonDeserializationArgs args)
{
// TODO: Performance? LatestVersion, dont do anything
var document = BsonDocumentSerializer.Instance.Deserialize(context);
_migrationRunner.Run(typeof(TDocument), document);
var migratedContext =
BsonDeserializationContext.CreateRoot(new BsonDocumentReader(document));
return(base.Deserialize(migratedContext, args));
}
public void RunAll()
{
var locations = _collectionLocator.GetLocatesOrEmpty();
foreach (var locate in locations)
{
var information = locate.Value;
var type = locate.Key;
var databaseName = GetDatabaseOrDefault(information);
var collectionVersion = _versionService.GetCollectionVersion(type);
var collection = _client.GetDatabase(databaseName)
.GetCollection <BsonDocument>(information.Collection);
var bulk = new List <WriteModel <BsonDocument> >();
var query = CreateQueryForRelevantDocuments(type);
using (var cursor = collection.FindSync(query))
{
while (cursor.MoveNext())
{
var batch = cursor.Current;
foreach (var document in batch)
{
_migrationRunner.Run(type, document, collectionVersion);
var update = new ReplaceOneModel <BsonDocument>(
new BsonDocument {
{ "_id", document["_id"] }
},
document
);
bulk.Add(update);
}
}
}
if (bulk.Count > 0)
{
collection.BulkWrite(bulk);
}
}
}