func TestSchemaParser_SimpleFieldWithListArg(t *testing.T) {
body := `
type Hello {
world(things: [String]): String
}`
astDoc := parse(t, body)
expected := ast.NewDocument(&ast.Document{
Loc: testLoc(1, 49),
Definitions: []ast.Node{
ast.NewObjectDefinition(&ast.ObjectDefinition{
Loc: testLoc(1, 49),
Name: ast.NewName(&ast.Name{
Value: "Hello",
Loc: testLoc(6, 11),
}),
Interfaces: []*ast.Named{},
Fields: []*ast.FieldDefinition{
ast.NewFieldDefinition(&ast.FieldDefinition{
Loc: testLoc(16, 47),
Name: ast.NewName(&ast.Name{
Value: "world",
Loc: testLoc(16, 21),
}),
Arguments: []*ast.InputValueDefinition{
ast.NewInputValueDefinition(&ast.InputValueDefinition{
Loc: testLoc(22, 38),
Name: ast.NewName(&ast.Name{
Value: "things",
Loc: testLoc(22, 28),
}),
Type: ast.NewList(&ast.List{
Loc: testLoc(30, 38),
Type: ast.NewNamed(&ast.Named{
Loc: testLoc(31, 37),
Name: ast.NewName(&ast.Name{
Value: "String",
Loc: testLoc(31, 37),
}),
}),
}),
DefaultValue: nil,
}),
},
Type: ast.NewNamed(&ast.Named{
Loc: testLoc(41, 47),
Name: ast.NewName(&ast.Name{
Value: "String",
Loc: testLoc(41, 47),
}),
}),
}),
},
}),
},
})
if !reflect.DeepEqual(astDoc, expected) {
t.Fatalf("unexpected document, expected: %v, got: %v", expected, astDoc)
}
}
/**
* Type :
* - NamedType
* - ListType
* - NonNullType
*/
func parseType(parser *Parser) (ast.Type, error) {
start := parser.Token.Start
var ttype ast.Type
if skp, err := skip(parser, lexer.TokenKind[lexer.BRACKET_L]); err != nil {
return nil, err
} else if skp {
t, err := parseType(parser)
if err != nil {
return t, err
}
ttype = t
_, err = expect(parser, lexer.TokenKind[lexer.BRACKET_R])
if err != nil {
return ttype, err
}
ttype = ast.NewList(&ast.List{
Type: ttype,
Loc: loc(parser, start),
})
} else {
name, err := parseNamed(parser)
if err != nil {
return ttype, err
}
ttype = name
}
if skp, err := skip(parser, lexer.TokenKind[lexer.BANG]); err != nil {
return nil, err
} else if skp {
ttype = ast.NewNonNull(&ast.NonNull{
Type: ttype,
Loc: loc(parser, start),
})
return ttype, nil
}
return ttype, nil
}