Support attributes on anonymous classes (new #[Attr] class {})

internal/php8/attributes_on_anonymous_class_test.go

@@ -0,0 +1,47 @@
+package php8_test
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/rectorphp/php-parser-in-go/pkg/ast"
+	"github.com/rectorphp/php-parser-in-go/pkg/visitor/printer"
+)
+
+func TestAttributesOnAnonymousClass(test *testing.T) {
+	root, parserErrors := parseIntersectionTypes(`<?php $command = new #[AsCommand(name: 'foo')] class extends Command {};`)
+	if len(parserErrors) != 0 {
+		test.Fatalf("unexpected parser errors: %v", parserErrors)
+	}
+
+	assign := root.(*ast.Root).Stmts[0].(*ast.StmtExpression).Expr.(*ast.ExprAssign)
+	new, ok := assign.Expr.(*ast.ExprNew)
+	if !ok {
+		test.Fatalf("expected a new expression, got %T", assign.Expr)
+	}
+
+	class, ok := new.Class.(*ast.StmtClass)
+	if !ok {
+		test.Fatalf("expected an anonymous class, got %T", new.Class)
+	}
+	if len(class.AttrGroups) != 1 {
+		test.Errorf("expected 1 attribute group on the anonymous class, got %d", len(class.AttrGroups))
+	}
+}
+
+func TestAttributesOnAnonymousClassPrintBackUnchanged(test *testing.T) {
+	source := `<?php
+$command = new #[AsCommand(name: 'foo', description: 'define')] class extends Command {};
+`
+
+	root, parserErrors := parseIntersectionTypes(source)
+	if len(parserErrors) != 0 {
+		test.Fatalf("unexpected parser errors: %v", parserErrors)
+	}
+
+	output := bytes.NewBufferString("")
+	root.Accept(printer.NewPrinter(output))
+	if output.String() != source {
+		test.Errorf("printed output differs from source:\n%s", output.String())
+	}
+}