public void MultiLine_IsCoordinateValid_Should_Fail_When_Point(string typeName)
{
// arrange
INamedInputType type = CreateInputType(typeName);
var coords = new ListValueNode(
new IntValueNode(30),
new IntValueNode(10));
var typeField = new ObjectFieldNode(WellKnownFields.TypeFieldName, _geometryType);
var coordField = new ObjectFieldNode(WellKnownFields.CoordinatesFieldName, coords);
var valueNode = new ObjectValueNode(typeField, coordField);
// act
// assert
Assert.Throws <SerializationException>(() => type.ParseLiteral(valueNode));
}
public void ParseLiteral_Should_Pass_When_NoCrs(string typeName)
{
// arrange
INamedInputType type = CreateInputType(typeName);
var typeField = new ObjectFieldNode(WellKnownFields.TypeFieldName, _geometryType);
var coordField = new ObjectFieldNode(
WellKnownFields.CoordinatesFieldName,
_coordinatesSyntaxNode);
var valueNode = new ObjectValueNode(typeField, coordField);
// act
object?parsedResult = type.ParseLiteral(valueNode);
// assert
AssertGeometry(parsedResult);
}
protected override void VisitObjectField(
ObjectFieldNode node,
ConverterContext context)
{
if (context.InputFields.TryGetField(
node.Name.Value, out InputField inputField))
{
var valueContext = new ConverterContext();
valueContext.InputType = inputField.Type;
valueContext.ClrType = GetClrType(inputField, context.Object);
VisitValue(node.Value, valueContext);
inputField.SetValue(context.Object, valueContext.Object);
}
}
private static IValueNode ResolveObjectField(
ObjectValueNode obj,
Queue <string> path)
{
if (path.Any())
{
string name = path.Dequeue();
ObjectFieldNode fieldValue = obj.Fields
.FirstOrDefault(t => t.Name.Value == name);
return(fieldValue.Value);
}
else
{
return(null);
}
}
protected override ISyntaxVisitorAction OnFieldLeave(
TContext context,
IFilterField field,
ObjectFieldNode node)
{
if (field?.Handler is IFilterFieldHandler <TContext, T> handler &&
handler.TryHandleLeave(
context,
field,
node,
out ISyntaxVisitorAction? action))
{
return(action);
}
return(SyntaxVisitor.Skip);
}
protected override ISyntaxVisitorAction Leave(
ObjectFieldNode node,
QueryableFilterVisitorContext context)
{
if (context.Operations.Peek() is FilterOperationField field)
{
for (var i = context.FieldHandlers.Count - 1; i >= 0; i--)
{
context.FieldHandlers[i].Leave(
field,
node,
context);
}
}
return(base.Leave(node, context));
}
protected override ObjectFieldNode RewriteObjectField(
ObjectFieldNode node,
object context)
{
if (_type.Peek().NamedType() is InputObjectType inputObject &&
inputObject.Fields.TryGetField(
node.Name.Value,
out InputField field))
{
IValueNode rewritten = null;
_type.Push(field.Type);
switch (node.Value)
{
case ListValueNode value:
rewritten = RewriteListValue(value, context);
break;
case ObjectValueNode value:
rewritten = RewriteObjectValue(value, context);
break;
case VariableNode value:
rewritten = ReplaceVariable(value, field.Type);
break;
default:
rewritten = node.Value;
break;
}
_type.Pop();
if (rewritten == node.Value)
{
return(node);
}
return(node.WithValue(rewritten));
}
// TODO : resource
throw new QueryException(
ErrorBuilder.New()
.SetMessage("Unknown field.")
.Build());
}
protected override ISyntaxVisitorAction OnFieldEnter(
TContext context,
ISortField field,
ObjectFieldNode node)
{
if (field.Handler is ISortFieldHandler <TContext, T> handler &&
handler.TryHandleEnter(
context,
field,
node,
out ISyntaxVisitorAction? action))
{
return(action);
}
return(SyntaxVisitor.SkipAndLeave);
}
protected sealed override ISyntaxVisitorAction Enter(
ISyntaxNode node,
ISyntaxVisitorContext context)
{
return(node switch
{
DocumentNode n => Enter(n, context),
OperationDefinitionNode n => Enter(n, context),
VariableDefinitionNode n => Enter(n, context),
VariableNode n => Enter(n, context),
SelectionSetNode n => Enter(n, context),
FieldNode n => Enter(n, context),
ArgumentNode n => Enter(n, context),
FragmentSpreadNode n => Enter(n, context),
InlineFragmentNode n => Enter(n, context),
FragmentDefinitionNode n => Enter(n, context),
DirectiveNode n => Enter(n, context),
NamedTypeNode n => Enter(n, context),
ListTypeNode n => Enter(n, context),
NonNullTypeNode n => Enter(n, context),
ListValueNode n => Enter(n, context),
ObjectValueNode n => Enter(n, context),
ObjectFieldNode n => Enter(n, context),
IValueNode n => Enter(n, context),
SchemaDefinitionNode n => Enter(n, context),
OperationTypeDefinitionNode n => Enter(n, context),
ScalarTypeDefinitionNode n => Enter(n, context),
ObjectTypeDefinitionNode n => Enter(n, context),
FieldDefinitionNode n => Enter(n, context),
InputValueDefinitionNode n => Enter(n, context),
InterfaceTypeDefinitionNode n => Enter(n, context),
UnionTypeDefinitionNode n => Enter(n, context),
EnumTypeDefinitionNode n => Enter(n, context),
EnumValueDefinitionNode n => Enter(n, context),
InputObjectTypeDefinitionNode n => Enter(n, context),
DirectiveDefinitionNode n => Enter(n, context),
SchemaExtensionNode n => Enter(n, context),
ScalarTypeExtensionNode n => Enter(n, context),
ObjectTypeExtensionNode n => Enter(n, context),
InterfaceTypeExtensionNode n => Enter(n, context),
UnionTypeExtensionNode n => Enter(n, context),
EnumTypeExtensionNode n => Enter(n, context),
InputObjectTypeExtensionNode n => Enter(n, context),
_ => throw new NotSupportedException()
});
public bool Enter(
FilterOperationField field,
ObjectFieldNode node,
IQueryableFilterVisitorContext context,
out ISyntaxVisitorAction action)
{
if (field.Operation.Kind == FilterOperationKind.Object)
{
MemberExpression nestedProperty = Expression.Property(
context.GetInstance(),
field.Operation.Property);
context.PushInstance(nestedProperty);
action = SyntaxVisitor.Continue;
return(true);
}
action = SyntaxVisitor.SkipAndLeave;
return(false);
}
public void ParseLiteral_Should_Pass_When_CorrectGeometry(string typeName)
{
// arrange
var inputParser = new InputParser(new DefaultTypeConverter());
INamedInputType type = CreateInputType(typeName);
var typeField = new ObjectFieldNode(WellKnownFields.TypeFieldName, _geometryType);
var coordField = new ObjectFieldNode(
WellKnownFields.CoordinatesFieldName,
_coordinatesSyntaxNode);
var crsField = new ObjectFieldNode(WellKnownFields.CrsFieldName, 26912);
var valueNode = new ObjectValueNode(typeField, coordField, crsField);
// act
var parsedResult = inputParser.ParseLiteral(valueNode, type);
// assert
AssertGeometry(parsedResult, 26912);
}
public void LineString_IsCoordinateValid_Should_Fail_When_LessThanTwoPoint(string typeName)
{
// arrange
var inputParser = new InputParser(new DefaultTypeConverter());
INamedInputType type = CreateInputType(typeName);
var coords = new ListValueNode(
new ListValueNode(
new IntValueNode(30),
new IntValueNode(10)));
var typeField = new ObjectFieldNode(WellKnownFields.TypeFieldName, _geometryType);
var coordField = new ObjectFieldNode(WellKnownFields.CoordinatesFieldName, coords);
var valueNode = new ObjectValueNode(typeField, coordField);
// act
// assert
Assert.Throws <SerializationException>(
() => inputParser.ParseLiteral(valueNode, type));
}
public override VisitorAction Enter(
ObjectFieldNode node,
ISyntaxNode parent,
IReadOnlyList <object> path,
IReadOnlyList <ISyntaxNode> ancestors)
{
base.Enter(node, parent, path, ancestors);
if (Operations.Peek() is FilterOperationField field)
{
for (var i = _fieldHandlers.Count - 1; i >= 0; i--)
{
if (_fieldHandlers[i].Enter(
field,
node,
parent,
path,
ancestors,
Closures,
_inMemory,
out VisitorAction action))
{
return(action);
}
}
for (var i = _opHandlers.Count - 1; i >= 0; i--)
{
if (_opHandlers[i].TryHandle(
field.Operation,
field.Type,
node.Value,
Closures.Peek().Instance.Peek(),
_converter,
_inMemory,
out Expression expression))
{
Closures.Peek().Level.Peek().Enqueue(expression);
break;
}
}
return(VisitorAction.Skip);
}
return(VisitorAction.Continue);
}
public VisitorAction Enter(
ObjectFieldNode node,
ISyntaxNode parent,
IReadOnlyList <object> path,
IReadOnlyList <ISyntaxNode> ancestors)
{
if (_type.Peek().NamedType() is InputObjectType inputObject &&
inputObject.Fields.TryGetField(
node.Name.Value,
out IInputField? field))
{
_type.Push(field.Type);
_action.Push(VisitorAction.Continue);
return(VisitorAction.Continue);
}
_action.Push(VisitorAction.Skip);
return(VisitorAction.Skip);
}
protected override ISyntaxVisitorAction Enter(
ObjectFieldNode node,
IDocumentValidatorContext context)
{
if (context.Types.TryPeek(out IType type) &&
type.NamedType() is InputObjectType it &&
it.Fields.TryGetField(node.Name.Value, out InputField? field))
{
if (field.Type.IsNonNullType() &&
node.Value.IsNull())
{
context.Errors.Add(
context.FieldIsRequiredButNull(node, field.Name));
}
context.InputFields.Push(field);
context.Types.Push(field.Type);
return(Continue);
}
public static (int typeIndex, int coordinateIndex, int crsIndex) GetFieldIndices(
ObjectValueNode obj,
string _typeFieldName,
string _coordinatesFieldName,
string _crsFieldName)
{
var coordinateIndex = -1;
var typeIndex = -1;
var crsIndex = -1;
for (var i = 0; i < obj.Fields.Count; i++)
{
if (coordinateIndex > -1 && typeIndex > -1 && crsIndex > -1)
{
return(typeIndex, coordinateIndex, crsIndex);
}
ObjectFieldNode field = obj.Fields[i];
if (typeIndex < 0 && string.Equals(field.Name.Value, _typeFieldName,
StringComparison.InvariantCultureIgnoreCase))
{
typeIndex = i;
continue;
}
if (coordinateIndex < 0 && string.Equals(field.Name.Value, _coordinatesFieldName,
StringComparison.InvariantCultureIgnoreCase))
{
coordinateIndex = i;
continue;
}
if (crsIndex < 0 && string.Equals(field.Name.Value, _crsFieldName,
StringComparison.InvariantCultureIgnoreCase))
{
crsIndex = i;
continue;
}
}
return(typeIndex, coordinateIndex, crsIndex);
}
public override bool TryHandleLeave(
QueryableSortContext context,
ISortField field,
ObjectFieldNode node,
[NotNullWhen(true)] out ISyntaxVisitorAction?action)
{
if (field.RuntimeType is null)
{
action = null;
return(false);
}
// Deque last
context.PopInstance();
context.RuntimeTypes.Pop();
action = SyntaxVisitor.Continue;
return(true);
}
protected override ISyntaxVisitorAction Enter(
ObjectFieldNode node,
QueryableSortVisitorContext context)
{
base.Enter(node, context);
if (context.Operations.Peek() is SortOperationField sortField &&
sortField.Operation?.Property != null)
{
context.Closure.EnqueueProperty(sortField.Operation.Property);
if (!sortField.Operation.IsObject)
{
var kind = (SortOperationKind)sortField.Type.Deserialize(node.Value.Value) !;
context.SortOperations.Enqueue(context.CreateSortOperation(kind));
}
}
return(Continue);
}
/// <inheritdoc />
public override bool TryHandleEnter(
Neo4JSortVisitorContext context,
ISortField field,
ObjectFieldNode node,
[NotNullWhen(true)] out ISyntaxVisitorAction?action)
{
if (node.Value.IsNull())
{
context.ReportError(
ErrorHelper.CreateNonNullError(field, node.Value, context));
action = SyntaxVisitor.Skip;
return(true);
}
context.Path.Push(field.GetName());
action = SyntaxVisitor.Continue;
return(true);
}
public override VisitorAction Leave(
ObjectFieldNode node,
ISyntaxNode parent,
IReadOnlyList <object> path,
IReadOnlyList <ISyntaxNode> ancestors)
{
if (Operations.Peek() is FilterOperationField field &&
field.Operation.Kind == FilterOperationKind.Object)
{
// Deque last expression to prefix with nullcheck
var condition = Level.Peek().Dequeue();
var nullCheck = Expression.NotEqual(
Instance.Peek(),
Expression.Constant(null, typeof(object)));
Level.Peek().Enqueue(Expression.AndAlso(nullCheck, condition));
Instance.Pop();
}
return(base.Leave(node, parent, path, ancestors));
}
public static bool Enter(
FilterOperationField field,
ObjectFieldNode node,
IQueryableFilterVisitorContext context,
[NotNullWhen(true)] out ISyntaxVisitorAction?action)
{
if (node.Value.IsNull())
{
if (field.Operation.IsNullable)
{
MemberExpression nestedProperty = Expression.Property(
context.GetInstance(),
field.Operation.Property);
Expression expression =
FilterExpressionBuilder.Equals(nestedProperty, null !);
context.GetLevel().Enqueue(expression);
}
else
{
context.ReportError(
ErrorHelper.CreateNonNullError(field, node, context));
}
action = SyntaxVisitor.Skip;
return(true);
}
if (field.Operation.Kind == FilterOperationKind.Object)
{
MemberExpression nestedProperty = Expression.Property(
context.GetInstance(),
field.Operation.Property);
context.PushInstance(nestedProperty);
action = SyntaxVisitor.Continue;
return(true);
}
action = null;
return(false);
}
public static bool Enter(
FilterOperationField field,
ObjectFieldNode node,
IQueryableFilterVisitorContext context,
[NotNullWhen(true)] out ISyntaxVisitorAction?action)
{
if (field.Operation.Kind == FilterOperationKind.ArraySome ||
field.Operation.Kind == FilterOperationKind.ArrayNone ||
field.Operation.Kind == FilterOperationKind.ArrayAll)
{
if (!field.Operation.IsNullable && node.Value.IsNull())
{
context.ReportError(
ErrorHelper.CreateNonNullError(field, node, context));
action = SyntaxVisitor.Skip;
return(true);
}
MemberExpression nestedProperty = Expression.Property(
context.GetInstance(),
field.Operation.Property);
context.PushInstance(nestedProperty);
Type closureType = GetTypeFor(field.Operation);
if (node.Value.IsNull())
{
context.AddIsNullClosure(closureType);
action = SyntaxVisitor.SkipAndLeave;
}
else
{
context.AddClosure(closureType);
action = SyntaxVisitor.Continue;
}
return(true);
}
action = null;
return(false);
}
private void VisitInputField(
ISet <string> visitedFields,
FieldBase <IInputType> field,
ObjectFieldNode fieldValue)
{
if (visitedFields.Add(field.Name))
{
if (fieldValue.Value is ObjectValueNode ov &&
field.Type.NamedType() is InputObjectType it)
{
VisitObjectValue(it, ov);
}
}
else
{
Errors.Add(new ValidationError(
$"Field `{field.Name}` is ambiguous.",
fieldValue));
}
}
private static bool TryRewriteField(
ObjectFieldNode original,
InputField field,
IVariableValueCollection variableValues,
[NotNullWhen(true)] out ObjectFieldNode?rewritten)
{
if (TryRewriteValue(
original.Value,
field.Type,
field.DefaultValue ?? NullValueNode.Default,
variableValues,
out IValueNode? rewrittenValue))
{
rewritten = original.WithValue(rewrittenValue);
return(true);
}
rewritten = null;
return(false);
}
public override VisitorAction Enter(
ObjectFieldNode node,
ISyntaxNode parent,
IReadOnlyList <object> path,
IReadOnlyList <ISyntaxNode> ancestors)
{
base.Enter(node, parent, path, ancestors);
if (Operations.Peek() is SortOperationField sortField)
{
Closure.EnqueueProperty(sortField.Operation.Property);
if (!sortField.Operation.IsObject)
{
var kind = (SortOperationKind)sortField.Type.Deserialize(node.Value.Value);
SortOperations.Enqueue(CreateSortOperation(kind));
}
}
return(VisitorAction.Continue);
}
protected override ISyntaxVisitorAction Enter(
ObjectFieldNode node,
QueryableSortVisitorContext context)
{
base.Enter(node, context);
if (context.Operations.Peek() is SortOperationField sortField &&
sortField.Operation?.Property != null)
{
context.Closure.EnqueueProperty(sortField.Operation.Property);
if (!sortField.Operation.IsObject)
{
InputParser parser = context.InputParser;
var kind = (SortOperationKind)parser.ParseLiteral(node.Value, sortField) !;
context.SortOperations.Enqueue(context.CreateSortOperation(kind));
}
}
return(Continue);
}
public override bool TryHandleEnter(
QueryableFilterContext context,
IFilterField field,
ObjectFieldNode node,
[NotNullWhen(true)] out ISyntaxVisitorAction?action)
{
if (node.Value.IsNull())
{
context.ReportError(
ErrorHelper.CreateNonNullError(field, node.Value, context));
action = SyntaxVisitor.Skip;
return(true);
}
if (field.RuntimeType is null)
{
action = null;
return(false);
}
Expression nestedProperty;
if (field.Member is PropertyInfo propertyInfo)
{
nestedProperty = Expression.Property(context.GetInstance(), propertyInfo);
}
else if (field.Member is MethodInfo methodInfo)
{
nestedProperty = Expression.Call(context.GetInstance(), methodInfo);
}
else
{
throw new InvalidOperationException();
}
context.PushInstance(nestedProperty);
context.RuntimeTypes.Push(field.RuntimeType);
action = SyntaxVisitor.Continue;
return(true);
}
public override bool TryHandleEnter(
QueryableFilterContext context,
IFilterField field,
ObjectFieldNode node,
[NotNullWhen(true)] out ISyntaxVisitorAction?action)
{
if (field is IFilterOperationField filterOperationField)
{
if (node.Value.IsNull())
{
context.ReportError(
ErrorHelper.CreateNonNullError(
field, node.Value, context));
action = SyntaxVisitor.Skip;
return(true);
}
if (!TryHandleOperation(
context,
filterOperationField,
node,
out Expression? nestedProperty))
{
context.ReportError(
ErrorHelper.CouldNotCreateFilterForOperation(
field, node.Value, context));
action = SyntaxVisitor.Skip;
return(true);
}
context.RuntimeTypes.Push(_runtimeType);
context.PushInstance(nestedProperty);
action = SyntaxVisitor.Continue;
}
else
{
action = SyntaxVisitor.Break;
}
return(true);
}
protected override void VisitObject(
IDictionary <string, object> dictionary,
ConverterContext context)
{
if (!context.InputType.IsInputObjectType())
{
throw new QueryException(ErrorBuilder.New()
.SetMessage($"The value of {context.Name} has a wrong structure.")
.SetCode(ErrorCodes.Execution.InvalidType)
.AddLocation(context.Node)
.Build());
}
IInputType originalType = context.InputType;
InputObjectType type = (InputObjectType)context.InputType.NamedType();
var fields = new ObjectFieldNode[dictionary.Count];
int i = 0;
foreach (KeyValuePair <string, object> field in dictionary)
{
if (!type.Fields.TryGetField(field.Key, out InputField f))
{
throw new QueryException(ErrorBuilder.New()
.SetMessage($"The value of {context.Name} has a wrong structure.")
.SetCode(ErrorCodes.Execution.InvalidType)
.AddLocation(context.Node)
.Build());
}
context.InputType = f.Type;
context.Object = null;
VisitField(field, context);
fields[i++] = new ObjectFieldNode(field.Key, (IValueNode)context.Object);
}
context.InputType = originalType;
context.Object = new ObjectValueNode(fields);
}
public override bool TryHandleEnter(
QueryableFilterContext context,
IFilterField field,
ObjectFieldNode node,
[NotNullWhen(true)] out ISyntaxVisitorAction?action)
{
if (node.Value.IsNull())
{
context.ReportError(
ErrorHelper.CreateNonNullError(field, node.Value, context));
action = SyntaxVisitor.Skip;
return(true);
}
if (field.RuntimeType is null)
{
action = null;
return(false);
}
Expression nestedProperty = field.Member switch
{
PropertyInfo propertyInfo =>
Expression.Property(context.GetInstance(), propertyInfo),
MethodInfo methodInfo =>
Expression.Call(context.GetInstance(), methodInfo),
null =>
throw ThrowHelper.QueryableFiltering_NoMemberDeclared(field),
_ =>
throw ThrowHelper.QueryableFiltering_MemberInvalid(field.Member, field)
};
context.PushInstance(nestedProperty);
context.RuntimeTypes.Push(field.RuntimeType);
action = SyntaxVisitor.Continue;
return(true);
}
