public async Task <bool> ExecuteAsync(IReadBinding binding, TimeSpan timeout = default(TimeSpan), CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.IsNotNull(binding, "binding");
var query = CreateQuery();
var operation = new CountOperation(_databaseName, "system.indexes", query);
var count = await operation.ExecuteAsync(binding, timeout, cancellationToken);
return(count != 0);
}
public async Task <bool> ExecuteAsync(IReadBinding binding, TimeSpan timeout = default(TimeSpan), CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.IsNotNull(binding, "binding");
var filter = CreateFilter();
var operation = new CountOperation(_collectionNamespace.DatabaseNamespace.SystemIndexesCollection, _messageEncoderSettings)
{
Criteria = filter
};
var count = await operation.ExecuteAsync(binding, timeout, cancellationToken);
return(count != 0);
}
public async Task ExecuteAsync_should_return_expected_result()
{
var subject = new CountOperation(_collectionNamespace, _messageEncoderSettings);
long result;
using (var binding = CoreTestConfiguration.GetReadBinding())
{
result = await subject.ExecuteAsync(binding, CancellationToken.None);
}
result.Should().Be(5);
}
public async Task ExecuteAsync_should_return_expected_result_when_filter_is_provided()
{
var subject = new CountOperation(_collectionNamespace, _messageEncoderSettings);
subject.Filter = BsonDocument.Parse("{ _id : { $gt : 1 } }");
long result;
using (var binding = CoreTestConfiguration.GetReadBinding())
{
result = await subject.ExecuteAsync(binding, CancellationToken.None);
}
result.Should().Be(4);
}
public async Task ExecuteAsync_should_return_expected_result_when_skip_is_provided()
{
var subject = new CountOperation(_collectionNamespace, _messageEncoderSettings);
subject.Skip = 3;
long result;
using (var binding = SuiteConfiguration.GetReadBinding())
{
result = await subject.ExecuteAsync(binding, CancellationToken.None);
}
result.Should().Be(2);
}
public async Task ExecuteAsync_should_return_expected_result_when_hint_is_provided()
{
var subject = new CountOperation(_collectionNamespace, _messageEncoderSettings);
subject.Hint = BsonDocument.Parse("{ _id : 1 }");
long result;
using (var binding = SuiteConfiguration.GetReadBinding())
{
result = await subject.ExecuteAsync(binding);
}
result.Should().Be(5);
}
