public async Task ExecuteAsync_should_find_all_the_documents_matching_the_query_when_limit_is_used(
[Values(1, 5, 6, 12)] int limit)
{
RequireServer.Check().VersionLessThan("3.2.0");
var collectionNamespace = CoreTestConfiguration.GetCollectionNamespaceForTestMethod(
className: GetType().Name,
methodName: nameof(ExecuteAsync_should_find_all_the_documents_matching_the_query_when_limit_is_used));
for (var id = 1; id <= limit + 1; id++)
{
var document = new BsonDocument {
{ "id", id }, { "filler", new string('x', 1000000) }
}; // about 1MB big
var requests = new[] { new InsertRequest(document) };
var insertOperation = new BulkMixedWriteOperation(collectionNamespace, requests, new MessageEncoderSettings());
ExecuteOperation(insertOperation);
}
var subject = new FindOpcodeOperation <BsonDocument>(collectionNamespace, BsonDocumentSerializer.Instance, _messageEncoderSettings)
{
Limit = limit
};
using (var cursor = await ExecuteOperationAsync(subject))
{
var result = await ReadCursorToEndAsync(cursor);
result.Should().HaveCount(limit);
}
}
public void Count_should_return_the_expected_result(
[Values(false, true)]
bool async)
{
RequireServer.Check().Supports(Feature.AggregateCountStage);
var client = DriverTestConfiguration.Client;
var databaseNamespace = CoreTestConfiguration.DatabaseNamespace;
var collectionNamespace = CoreTestConfiguration.GetCollectionNamespaceForTestMethod();
var database = client.GetDatabase(databaseNamespace.DatabaseName);
database.DropCollection(collectionNamespace.CollectionName);
var collection = database.GetCollection <BsonDocument>(collectionNamespace.CollectionName);
collection.InsertOne(new BsonDocument());
var subject = collection.Aggregate();
long result;
if (async)
{
result = subject.Count().SingleAsync().GetAwaiter().GetResult().Count;
}
else
{
result = subject.Count().Single().Count;
}
result.Should().Be(1);
}