public static TranslationContext Create(Expression expression, IBsonSerializer serializer)
{
var symbolTable = new SymbolTable();
var nameGenerator = new NameGenerator();
var knownSerializersRegistry = KnownSerializerFinder.FindKnownSerializers(expression, (IBsonDocumentSerializer)serializer);
return(new TranslationContext(symbolTable, nameGenerator, knownSerializersRegistry));
}
public void Conditional_expression_with_different_enum_representations_should_throw()
{
Expression <Func <C, E> > expression = x => x.Ei == E.A ? E.B : x.Es;
var collectionSerializer = GetCollectionSerializer();
var result = KnownSerializerFinder.FindKnownSerializers(expression, collectionSerializer);
var conditionalExpression = (ConditionalExpression)expression.Body;
Assert.Throws <InvalidOperationException>(() => result.GetSerializer(conditionalExpression.IfTrue));
}
public void Identity_expression_should_return_collection_serializer()
{
Expression <Func <C, C> > expression = x => x;
var collectionSerializer = GetCollectionSerializer();
var result = KnownSerializerFinder.FindKnownSerializers(expression, collectionSerializer);
var serializer = result.GetSerializer(expression.Body);
serializer.Should().Be(collectionSerializer);
}
public void Enum_property_expression_should_return_enum_serializer_with_int_representation()
{
Expression <Func <C, E> > expression = x => x.Ei;
var collectionSerializer = GetCollectionSerializer();
var result = KnownSerializerFinder.FindKnownSerializers(expression, collectionSerializer);
var serializer = result.GetSerializer(expression.Body);
collectionSerializer.TryGetMemberSerializationInfo(nameof(C.Ei), out var expectedPropertySerializationInfo).Should().BeTrue();
serializer.Should().Be(expectedPropertySerializationInfo.Serializer);
}
public static TranslationContext Create(Expression expression, IBsonSerializer serializer, TranslationContextData data = null)
{
var symbolTable = new SymbolTable();
var nameGenerator = new NameGenerator();
if (serializer is ISetWindowFieldsPartitionSerializer partitionSerializer)
{
serializer = partitionSerializer.InputSerializer; // maybe this logic belongs in KnownSerializerFinder
}
var knownSerializersRegistry = KnownSerializerFinder.FindKnownSerializers(expression, (IBsonDocumentSerializer)serializer);
return(new TranslationContext(symbolTable, nameGenerator, knownSerializersRegistry, data));
}
public void Property_chain_should_return_correct_nested_serializer()
{
Expression <Func <C, B> > expression = x => x.A.B;
var collectionSerializer = GetCollectionSerializer();
var result = KnownSerializerFinder.FindKnownSerializers(expression, collectionSerializer);
var serializer = result.GetSerializer(expression.Body);
collectionSerializer.TryGetMemberSerializationInfo(nameof(C.A), out var aSerializationInfo).Should().BeTrue();
((BsonClassMapSerializer <A>)aSerializationInfo.Serializer).TryGetMemberSerializationInfo(nameof(A.B), out var bSerializationInfo).Should().BeTrue();
serializer.Should().Be(bSerializationInfo.Serializer);
}
public void Conditional_expression_should_return_enum_serializer_with_string_representation()
{
Expression <Func <C, E> > expression = x => x.Es == E.A ? E.B : x.Es;
var collectionSerializer = GetCollectionSerializer();
var result = KnownSerializerFinder.FindKnownSerializers(expression, collectionSerializer);
var conditionalExpression = (ConditionalExpression)expression.Body;
var serializer = result.GetSerializer(conditionalExpression.IfTrue);
collectionSerializer.TryGetMemberSerializationInfo(nameof(C.Es), out var expectedPropertySerializationInfo).Should().BeTrue();
serializer.Should().Be(expectedPropertySerializationInfo.Serializer);
}
public void Enum_comparison_expression_should_return_enum_serializer_with_string_representation()
{
Expression <Func <C, bool> > expression = x => x.Es == E.A;
var collectionSerializer = GetCollectionSerializer();
var result = KnownSerializerFinder.FindKnownSerializers(expression, collectionSerializer);
var equalsExpression = (BinaryExpression)expression.Body;
var serializer = result.GetSerializer(equalsExpression.Right);
collectionSerializer.TryGetMemberSerializationInfo(nameof(C.Es), out var expectedPropertySerializationInfo).Should().BeTrue();
serializer.Should().Be(expectedPropertySerializationInfo.Serializer);
}
public void Projection_into_new_type_should_return_correct_serializer()
{
Expression <Func <C, View> > expression = x => new View {
A = x.A
};
var collectionSerializer = GetCollectionSerializer();
var result = KnownSerializerFinder.FindKnownSerializers(expression, collectionSerializer);
var serializer = result.GetSerializer(expression.Body);
serializer.Should().BeOfType <BsonClassMapSerializer <View> >();
collectionSerializer.TryGetMemberSerializationInfo(nameof(C.A), out var caSerializationInfo).Should().BeTrue();
((BsonClassMapSerializer <View>)serializer).TryGetMemberSerializationInfo(nameof(View.A), out var viewaSerializationInfo).Should().BeTrue();
viewaSerializationInfo.Serializer.Should().Be(caSerializationInfo.Serializer);
}
public void Two_property_chains_should_each_return_correct_nested_serializer()
{
Expression <Func <C, E> > expression = x => x.A.B == null ? x.Ei : x.Es;
var collectionSerializer = GetCollectionSerializer();
var result = KnownSerializerFinder.FindKnownSerializers(expression, collectionSerializer);
var conditionalExpression = (ConditionalExpression)expression.Body;
var trueBranchSerializer = result.GetSerializer(conditionalExpression.IfTrue);
collectionSerializer.TryGetMemberSerializationInfo(nameof(C.Ei), out var eiSerializationInfo).Should().BeTrue();
trueBranchSerializer.Should().Be(eiSerializationInfo.Serializer);
var falseBranchSerializer = result.GetSerializer(conditionalExpression.IfFalse);
collectionSerializer.TryGetMemberSerializationInfo(nameof(C.Es), out var esSerializationInfo).Should().BeTrue();
falseBranchSerializer.Should().Be(esSerializationInfo.Serializer);
}