public void ExecuteAsync_should_throw_when_binding_is_null()
{
var subject = new FindOpcodeOperation <BsonDocument>(_collectionNamespace, BsonDocumentSerializer.Instance, _messageEncoderSettings);
Func <Task> action = () => subject.ExecuteAsync(binding: null, CancellationToken.None);
action.ShouldThrow <ArgumentNullException>().And.ParamName.Should().Be("binding");
}
public async Task <BsonDocument> ExecuteAsync(IReadBinding binding, CancellationToken cancellationToken)
{
var cursor = await _explainOperation.ExecuteAsync(binding, cancellationToken).ConfigureAwait(false);
var documents = await cursor.ToListAsync(cancellationToken).ConfigureAwait(false);
return(documents.Single());
}