public FragmentDefinitionNode(
Location location,
NameNode name,
IReadOnlyCollection <VariableDefinitionNode> variableDefinitions,
NamedTypeNode typeCondition,
IReadOnlyCollection <DirectiveNode> directives,
SelectionSetNode selectionSet)
: base(location, name, directives)
{
if (variableDefinitions == null)
{
throw new ArgumentNullException(nameof(variableDefinitions));
}
if (typeCondition == null)
{
throw new ArgumentNullException(nameof(typeCondition));
}
if (selectionSet == null)
{
throw new ArgumentNullException(nameof(selectionSet));
}
VariableDefinitions = variableDefinitions;
TypeCondition = typeCondition;
SelectionSet = selectionSet;
}
public InlineFragmentNode WithTypeCondition(
NamedTypeNode typeCondition)
{
return(new InlineFragmentNode(
Location, typeCondition,
Directives, SelectionSet));
}
public virtual VisitorAction Leave(
NamedTypeNode node,
ISyntaxNode parent,
IReadOnlyList <object> path,
IReadOnlyList <ISyntaxNode> ancestors)
{
return(GetDefaultAction(node.Kind));
}
public FragmentDefinitionNode WithTypeCondition(
NamedTypeNode typeCondition)
{
return(new FragmentDefinitionNode(
Location, Name,
VariableDefinitions,
typeCondition,
Directives, SelectionSet));
}
public OperationTypeDefinitionNode(
Location?location,
OperationType operation,
NamedTypeNode type)
{
Location = location;
Operation = operation;
Type = type ?? throw new ArgumentNullException(nameof(type));
}
protected virtual void ResolveChildren(
NamedTypeNode node,
IList <SyntaxNodeInfo> children)
{
ResolveChildren(
nameof(node.Name),
node.Name,
children);
}
public void NamedType_ExtractType_ExtractSuccessfull(string fieldType)
{
// arrange
ITypeNode type = GetType(fieldType);
// act
NamedTypeNode name = type.NamedType();
// assert
Assert.Equal("Foo", name.Print());
}
public void Create_With_Type()
{
// arrange
var namedType = new NamedTypeNode("abc");
// act
var type = new NonNullTypeNode(namedType);
// assert
Assert.Equal(namedType, type.Type);
}
protected virtual NamedTypeNode RewriteNamedType(
NamedTypeNode node,
TContext context)
{
NamedTypeNode current = node;
current = Rewrite(current, node.Name, context,
RewriteName, current.WithName);
return(current);
}
public void Create_With_Location_And_Type_Where_Location_Is_Null()
{
// arrange
var namedType = new NamedTypeNode("abc");
// act
var type = new NonNullTypeNode(null, namedType);
// assert
Assert.Null(type.Location);
Assert.Equal(namedType, type.Type);
}
/// <summary>
/// Parses a fragment definition.
/// <see cref="FragmentDefinitionNode" />:
/// fragment FragmentName on TypeCondition Directives? SelectionSet
/// </summary>
/// <param name="context">The parser context.</param>
private static FragmentDefinitionNode ParseFragmentDefinition(
ParserContext context)
{
SyntaxToken start = context.Current;
context.ExpectFragmentKeyword();
// Experimental support for defining variables within fragments
// changesthe grammar of FragmentDefinition:
// fragment FragmentName VariableDefinitions? on TypeCondition Directives? SelectionSet
if (context.Options.Experimental.AllowFragmentVariables)
{
NameNode name = ParseFragmentName(context);
List <VariableDefinitionNode> variableDefinitions =
ParseVariableDefinitions(context);
context.ExpectOnKeyword();
NamedTypeNode typeCondition = ParseNamedType(context);
List <DirectiveNode> directives =
ParseDirectives(context, false);
SelectionSetNode selectionSet = ParseSelectionSet(context);
Location location = context.CreateLocation(start);
return(new FragmentDefinitionNode
(
location,
name,
variableDefinitions,
typeCondition,
directives,
selectionSet
));
}
else
{
NameNode name = ParseFragmentName(context);
context.ExpectOnKeyword();
NamedTypeNode typeCondition = ParseNamedType(context);
List <DirectiveNode> directives =
ParseDirectives(context, false);
SelectionSetNode selectionSet = ParseSelectionSet(context);
Location location = context.CreateLocation(start);
return(new FragmentDefinitionNode
(
location,
name,
Array.Empty <VariableDefinitionNode>(),
typeCondition,
directives,
selectionSet
));
}
}
public void InnerTypeFromListType()
{
// arrange
var namedType = new NamedTypeNode(null, new NameNode("Foo"));
var listType = new ListTypeNode(null, namedType);
// act
ITypeNode innerType = listType.InnerType();
// assert
Assert.Equal(namedType, innerType);
}
public InlineFragmentNode(
Location location,
NamedTypeNode typeCondition,
IReadOnlyList <DirectiveNode> directives,
SelectionSetNode selectionSet)
{
Location = location;
TypeCondition = typeCondition;
Directives = directives
?? throw new ArgumentNullException(nameof(directives));
SelectionSet = selectionSet
?? throw new ArgumentNullException(nameof(selectionSet));
}
public void WithType_Where_Type_Is_Null()
{
// arrange
var location = new Location(1, 1, 1, 1);
var initialType = new NamedTypeNode("abc");
var type = new NonNullTypeNode(location, initialType);
// act
Action action = () => type.WithType(null);
// assert
Assert.Throws <ArgumentNullException>(action);
}
public void Create_With_Location_And_Type()
{
// arrange
var location = new Location(1, 1, 1, 1);
var namedType = new NamedTypeNode("abc");
// act
var type = new NonNullTypeNode(location, namedType);
// assert
Assert.Equal(location, type.Location);
Assert.Equal(namedType, type.Type);
}
/// <summary>
/// Parses a fragment definition.
/// <see cref="FragmentDefinitionNode" />:
/// fragment FragmentName on TypeCondition Directives? SelectionSet
/// </summary>
/// <param name="context">The parser context.</param>
private FragmentDefinitionNode ParseFragmentDefinition()
{
TokenInfo start = Start();
ExpectFragmentKeyword();
// Experimental support for defining variables within fragments
// changesthe grammar of FragmentDefinition:
// fragment FragmentName VariableDefinitions? on
// TypeCondition Directives? SelectionSet
if (_allowFragmentVars)
{
NameNode name = ParseFragmentName();
List <VariableDefinitionNode> variableDefinitions =
ParseVariableDefinitions();
ExpectOnKeyword();
NamedTypeNode typeCondition = ParseNamedType();
List <DirectiveNode> directives = ParseDirectives(false);
SelectionSetNode selectionSet = ParseSelectionSet();
Location location = CreateLocation(in start);
return(new FragmentDefinitionNode
(
location,
name,
variableDefinitions,
typeCondition,
directives,
selectionSet
));
}
else
{
NameNode name = ParseFragmentName();
ExpectOnKeyword();
NamedTypeNode typeCondition = ParseNamedType();
List <DirectiveNode> directives = ParseDirectives(false);
SelectionSetNode selectionSet = ParseSelectionSet();
Location location = CreateLocation(in start);
return(new FragmentDefinitionNode
(
location,
name,
Array.Empty <VariableDefinitionNode>(),
typeCondition,
directives,
selectionSet
));
}
}
public void NamedTypeFromNonNullList()
{
// arrange
var namedType = new NamedTypeNode(null, new NameNode("Foo"));
var listType = new ListTypeNode(null,
new NonNullTypeNode(null, namedType));
var nonNullType = new NonNullTypeNode(null, listType);
// act
NamedTypeNode retrievedNamedType = nonNullType.NamedType();
// assert
Assert.Equal(namedType, retrievedNamedType);
}
public void NullableType()
{
// arrange
var namedType = new NamedTypeNode(null, new NameNode("Foo"));
var nonNullType = new NonNullTypeNode(null, namedType);
// act
ITypeNode a = nonNullType.NullableType();
ITypeNode b = namedType.NullableType();
// assert
Assert.Equal(namedType, a);
Assert.Equal(namedType, b);
}
public void InvalidTypeStructure()
{
// arrange
var namedType = new NamedTypeNode(null, new NameNode("Foo"));
var listType = new ListTypeNode(null, new ListTypeNode(null,
new NonNullTypeNode(null, namedType)));
var nonNullType = new NonNullTypeNode(null, listType);
// act
Action a = () => nonNullType.NamedType();
// assert
Assert.Throws <NotSupportedException>(a);
}
public void WithLocation_Where_Location_Is_Null()
{
// arrange
var initialLocation = new Location(1, 1, 1, 1);
var namedType = new NamedTypeNode("abc");
var type = new NonNullTypeNode(initialLocation, namedType);
// act
type = type.WithLocation(null);
// assert
Assert.Null(type.Location);
Assert.Equal(namedType, type.Type);
}
public void IsNonNullType()
{
// arrange
var namedType = new NamedTypeNode(null, new NameNode("Foo"));
var nonNullType = new NonNullTypeNode(null, namedType);
// act
bool shouldBeFalse = namedType.IsNonNullType();
bool shouldBeTrue = nonNullType.IsNonNullType();
// assert
Assert.False(shouldBeFalse);
Assert.True(shouldBeTrue);
}
public void WithType()
{
// arrange
var location = new Location(1, 1, 1, 1);
var initialType = new NamedTypeNode("abc");
var type = new NonNullTypeNode(location, initialType);
// act
var newType = new NamedTypeNode("def");
type = type.WithType(newType);
// assert
Assert.Equal(location, type.Location);
Assert.Equal(newType, type.Type);
}
public void WithLocation()
{
// arrange
var initialLocation = new Location(1, 1, 1, 1);
var namedType = new NamedTypeNode("abc");
var type = new NonNullTypeNode(initialLocation, namedType);
// act
var newLocation = new Location(2, 2, 2, 2);
type = type.WithLocation(newLocation);
// assert
Assert.Equal(newLocation, type.Location);
Assert.Equal(namedType, type.Type);
}
public FragmentDefinitionNode(
Location location,
NameNode name,
IReadOnlyList <VariableDefinitionNode> variableDefinitions,
NamedTypeNode typeCondition,
IReadOnlyList <DirectiveNode> directives,
SelectionSetNode selectionSet)
: base(location, name, directives)
{
VariableDefinitions = variableDefinitions
?? throw new ArgumentNullException(nameof(variableDefinitions));
TypeCondition = typeCondition
?? throw new ArgumentNullException(nameof(typeCondition));
SelectionSet = selectionSet
?? throw new ArgumentNullException(nameof(selectionSet));
}
/// <summary>
/// Parses an operation type definition.
/// <see cref="OperationTypeDefinitionNode" />:
/// OperationType : NamedType
/// </summary>
/// <param name="context">The parser context.</param>
private OperationTypeDefinitionNode ParseOperationTypeDefinition(
ParserContext context)
{
SyntaxToken start = context.Current;
OperationType operation = ParseOperationType(context);
context.ExpectColon();
NamedTypeNode type = ParseNamedType(context);
Location location = context.CreateLocation(start);
return(new OperationTypeDefinitionNode
(
location,
operation,
type
));
}
/// <summary>
/// Parses an inline fragment.
/// <see cref="FragmentSpreadNode" />:
/// ... TypeCondition? Directives? SelectionSet
/// </summary>
/// <param name="context">The parser context.</param>
/// <param name="start">The start token of the current fragment node.</param>
/// <param name="typeCondition">The fragment type condition.</param>
private InlineFragmentNode ParseInlineFragment(
ParserContext context, SyntaxToken start,
NamedTypeNode typeCondition)
{
List <DirectiveNode> directives =
ParseDirectives(context, false);
SelectionSetNode selectionSet = ParseSelectionSet(context);
Location location = context.CreateLocation(start);
return(new InlineFragmentNode
(
location,
typeCondition,
directives,
selectionSet
));
}
/// <summary>
/// Parses an operation type definition.
/// <see cref="OperationTypeDefinitionNode" />:
/// OperationType : NamedType
/// </summary>
/// <param name="context">The parser context.</param>
private OperationTypeDefinitionNode ParseOperationTypeDefinition()
{
TokenInfo start = Start();
OperationType operation = ParseOperationType();
ExpectColon();
NamedTypeNode type = ParseNamedType();
Location location = CreateLocation(in start);
return(new OperationTypeDefinitionNode
(
location,
operation,
type
));
}
public InlineFragmentNode(
Location location,
NamedTypeNode typeCondition,
IReadOnlyCollection <DirectiveNode> directives,
SelectionSetNode selectionSet)
{
if (directives == null)
{
throw new ArgumentNullException(nameof(directives));
}
if (selectionSet == null)
{
throw new ArgumentNullException(nameof(selectionSet));
}
Location = location;
TypeCondition = typeCondition;
Directives = directives;
SelectionSet = selectionSet;
}
private ISelectionNode ParseFragment()
{
TokenInfo start = Start();
ExpectSpread();
var isOnKeyword = _reader.Value.SequenceEqual(GraphQLKeywords.On);
if (!isOnKeyword && _reader.Kind == TokenKind.Name)
{
return(ParseFragmentSpread(in start));
}
NamedTypeNode typeCondition = null;
if (isOnKeyword)
{
MoveNext();
typeCondition = ParseNamedType();
}
return(ParseInlineFragment(in start, typeCondition));
}
/// <summary>
/// Parses a fragment spred or inline fragment within a selection set.
/// <see cref="ParseFragmentSpread" /> and
/// <see cref="ParseInlineFragment" />.
/// </summary>
/// <param name="context">The parser context.</param>
private static ISelectionNode ParseFragment(ParserContext context)
{
SyntaxToken start = context.Current;
context.ExpectSpread();
var isOnKeyword = context.Current.IsOnKeyword();
if (!isOnKeyword && context.Current.IsName())
{
return(ParseFragmentSpread(context, start));
}
NamedTypeNode typeCondition = null;
if (isOnKeyword)
{
context.MoveNext();
typeCondition = ParseNamedType(context);
}
return(ParseInlineFragment(context, start, typeCondition));
}
