func parseSelectionSet(parser *Parser) (*ast.SelectionSet, error) {
start := parser.Token.Start
iSelections, err := many(parser, lexer.TokenKind[lexer.BRACE_L], parseSelection, lexer.TokenKind[lexer.BRACE_R])
if err != nil {
return nil, err
}
selections := []ast.Selection{}
for _, iSelection := range iSelections {
if iSelection != nil {
// type assert interface{} into Selection interface
selections = append(selections, iSelection.(ast.Selection))
}
}
return ast.NewSelectionSet(&ast.SelectionSet{
Selections: selections,
Loc: loc(parser, start),
}), nil
}
func TestParsesMultiByteCharacters_UnicodeText(t *testing.T) {
doc := `
# This comment has a фы世界 multi-byte character.
{ field(arg: "Has a фы世界 multi-byte character.") }
`
astDoc := parse(t, doc)
expectedASTDoc := ast.NewDocument(&ast.Document{
Loc: ast.NewLocation(&ast.Location{
Start: 67,
End: 121,
}),
Definitions: []ast.Node{
ast.NewOperationDefinition(&ast.OperationDefinition{
Loc: ast.NewLocation(&ast.Location{
Start: 67,
End: 119,
}),
Operation: "query",
SelectionSet: ast.NewSelectionSet(&ast.SelectionSet{
Loc: ast.NewLocation(&ast.Location{
Start: 67,
End: 119,
}),
Selections: []ast.Selection{
ast.NewField(&ast.Field{
Loc: ast.NewLocation(&ast.Location{
Start: 67,
End: 117,
}),
Name: ast.NewName(&ast.Name{
Loc: ast.NewLocation(&ast.Location{
Start: 69,
End: 74,
}),
Value: "field",
}),
Arguments: []*ast.Argument{
ast.NewArgument(&ast.Argument{
Loc: ast.NewLocation(&ast.Location{
Start: 75,
End: 116,
}),
Name: ast.NewName(&ast.Name{
Loc: ast.NewLocation(&ast.Location{
Start: 75,
End: 78,
}),
Value: "arg",
}),
Value: ast.NewStringValue(&ast.StringValue{
Loc: ast.NewLocation(&ast.Location{
Start: 80,
End: 116,
}),
Value: "Has a фы世界 multi-byte character.",
}),
}),
},
}),
},
}),
}),
},
})
astDocQuery := printer.Print(astDoc)
expectedASTDocQuery := printer.Print(expectedASTDoc)
if !reflect.DeepEqual(astDocQuery, expectedASTDocQuery) {
t.Fatalf("unexpected document, expected: %v, got: %v", astDocQuery, expectedASTDocQuery)
}
}