public async Task AggregateUnwindOperationWithMatch(int intField, int exceptedCount)
{
var testData = CreateTestData().ToList();
var collection = _mongoCollectionProvider.GetCollection(nameof(FindWithArrayAnyFilter), testData);
collection.InsertOne(new SimpleTestDocument()
{
AnotherChildrenDocuments = new[]
{
new AnotherChildDocument()
{
StringField = "Hi",
Image = new Image {
Name = "10"
},
},
new AnotherChildDocument()
{
StringField = "Bye",
Image = new Image {
Name = "16"
},
},
},
IntField = intField,
});
var currentProjection = new BsonDocumentProjectionDefinition <BsonDocument>(
BsonDocument.Parse("{ Image: \"$AnotherChildrenDocuments.Image\", _id: 0, value: 1992 }"));
var result = collection.Aggregate()
.Match(x => x.IntField == 1)
.Unwind(x => x.AnotherChildrenDocuments)
.Match(x => x["AnotherChildrenDocuments.StringField"] == "Hi")
.Project(currentProjection)
.As <SimpleTestDocument>()
.ToList();
Assert.Equal(exceptedCount, result.Count);
}
private IAsyncCursor <TProjection> CreateCursor()
{
var fluentCursor = _fluentCursor;
if (!string.IsNullOrEmpty(_textScoreProperty))
{
var projectionDefinition = fluentCursor.Options.Projection;
var textScoreProjection = new BsonDocument(_textScoreProperty, new BsonDocument("$meta", "textScore"));
var textScoreProjectionDefinition = new BsonDocumentProjectionDefinition <TDocument, TProjection>(textScoreProjection);
fluentCursor.Options.Projection = (projectionDefinition != null)
? MongoHelpers.Combine(projectionDefinition, textScoreProjectionDefinition)
: textScoreProjectionDefinition;
}
if (_sortDefinition != null)
{
fluentCursor = _fluentCursor.Sort(_sortDefinition);
}
return(fluentCursor.ToCursor());
}