public void TestWhereDContainsKeyX()
{
var query = from c in _collection.AsQueryable <C>()
where c.D.ContainsKey("x")
select c;
var translatedQuery = MongoQueryTranslator.Translate(query);
Assert.IsInstanceOf <SelectQuery>(translatedQuery);
Assert.AreSame(_collection, translatedQuery.Collection);
Assert.AreSame(typeof(C), translatedQuery.DocumentType);
var selectQuery = (SelectQuery)translatedQuery;
Assert.AreEqual("(C c) => c.D.ContainsKey(\"x\")", ExpressionFormatter.ToString(selectQuery.Where));
Assert.IsNull(selectQuery.OrderBy);
Assert.IsNull(selectQuery.Projection);
Assert.IsNull(selectQuery.Skip);
Assert.IsNull(selectQuery.Take);
Assert.AreEqual("{ \"D.x\" : { \"$exists\" : true } }", selectQuery.BuildQuery().ToJson());
Assert.AreEqual(1, query.ToList().Count());
}
public void TestWhereEEqualsA()
{
var query = from c in _collection.AsQueryable <C>()
where c.E == E.A
select c;
var translatedQuery = MongoQueryTranslator.Translate(query);
Assert.IsInstanceOf <SelectQuery>(translatedQuery);
Assert.AreSame(_collection, translatedQuery.Collection);
Assert.AreSame(typeof(C), translatedQuery.DocumentType);
var selectQuery = (SelectQuery)translatedQuery;
Assert.AreEqual("(C c) => ((Nullable<Int32>)c.E == (Nullable<Int32>)1)", ExpressionFormatter.ToString(selectQuery.Where));
Assert.IsNull(selectQuery.OrderBy);
Assert.IsNull(selectQuery.Projection);
Assert.IsNull(selectQuery.Skip);
Assert.IsNull(selectQuery.Take);
Assert.AreEqual("{ \"e\" : \"A\" }", selectQuery.BuildQuery().ToJson());
Assert.AreEqual(1, Consume(query));
}
public void TestWhereXEqualsNull()
{
var query = from c in __collection.AsQueryable <C>()
where c.X == null
select c;
var translatedQuery = MongoQueryTranslator.Translate(query);
Assert.IsType <SelectQuery>(translatedQuery);
Assert.Same(__collection, translatedQuery.Collection);
Assert.Same(typeof(C), translatedQuery.DocumentType);
var selectQuery = (SelectQuery)translatedQuery;
Assert.Equal("(C c) => (c.X == (Nullable<Int32>)null)", ExpressionFormatter.ToString(selectQuery.Where));
Assert.Null(selectQuery.OrderBy);
Assert.Null(selectQuery.Projection);
Assert.Null(selectQuery.Skip);
Assert.Null(selectQuery.Take);
Assert.Equal("{ \"x\" : null }", selectQuery.BuildQuery().ToJson());
Assert.Equal(4, Consume(query));
}
public void TestWhereJContainsKeyX()
{
var query = from c in __collection.AsQueryable <C>()
where c.J.Contains("x")
select c;
var translatedQuery = MongoQueryTranslator.Translate(query);
Assert.IsType <SelectQuery>(translatedQuery);
Assert.Same(__collection, translatedQuery.Collection);
Assert.Same(typeof(C), translatedQuery.DocumentType);
var selectQuery = (SelectQuery)translatedQuery;
Assert.Equal("(C c) => c.J.Contains(\"x\")", ExpressionFormatter.ToString(selectQuery.Where));
Assert.Null(selectQuery.OrderBy);
Assert.Null(selectQuery.Projection);
Assert.Null(selectQuery.Skip);
Assert.Null(selectQuery.Take);
var ex = Assert.Throws <NotSupportedException>(() => { selectQuery.BuildQuery(); });
Assert.Equal("Contains in a LINQ query is only supported for DictionaryRepresentation ArrayOfDocuments or Document, not ArrayOfArrays.", ex.Message);
}
public void TestWhereEEqualsA()
{
RequireEnvironment.Check().EnvironmentVariable("MONO"); // Does not pass on Mono 3.2.5. Excluding for now.
var query = from c in __collection.AsQueryable <C>()
where c.E == E.A
select c;
var translatedQuery = MongoQueryTranslator.Translate(query);
Assert.IsType <SelectQuery>(translatedQuery);
Assert.Same(__collection, translatedQuery.Collection);
Assert.Same(typeof(C), translatedQuery.DocumentType);
var selectQuery = (SelectQuery)translatedQuery;
Assert.Equal("(C c) => ((Nullable<Int32>)c.E == (Nullable<Int32>)1)", ExpressionFormatter.ToString(selectQuery.Where));
Assert.Null(selectQuery.OrderBy);
Assert.Null(selectQuery.Projection);
Assert.Null(selectQuery.Skip);
Assert.Null(selectQuery.Take);
Assert.Equal("{ \"e\" : \"A\" }", selectQuery.BuildQuery().ToJson());
Assert.Equal(1, Consume(query));
}
public void TestTakeThenWhereThenSkip()
{
var query = _collection.AsQueryable <C>().Take(20).Where(c => c.X == 10).Skip(30);
Assert.Throws(typeof(NotSupportedException), () => MongoQueryTranslator.Translate(query));
}
