refactoring: update position builder tests

pkg/ast/ast_test.go

@@ -1,102 +0,0 @@
-package ast_test
-
-import (
-	"fmt"
-	"github.com/z7zmey/php-parser/pkg/ast"
-	"github.com/z7zmey/php-parser/pkg/ast/traverser"
-	"github.com/z7zmey/php-parser/pkg/ast/visitor"
-	"os"
-	"strings"
-)
-
-func ExampleStxTree() {
-	stxTree := &ast.Root{
-		Stmts: []ast.Vertex{
-			&ast.Nullable{
-				Expr: &ast.Parameter{
-					Type:         nil,
-					Var:          nil,
-					DefaultValue: nil,
-				},
-			},
-			&ast.Identifier{},
-			&ast.ArgumentList{
-				Arguments: []ast.Vertex{
-					&ast.Argument{},
-					&ast.Argument{
-						Expr: &ast.ScalarDnumber{},
-					},
-				},
-			},
-		},
-	}
-
-	traverser.NewDFS(&testVisitor{}).Traverse(stxTree)
-
-	//output:
-	//=>  *ast.Root
-	//=>    Stmts:
-	//=>      *ast.Nullable
-	//=>        Expr:
-	//=>          *ast.Parameter
-	//=>      *ast.Identifier
-	//=>      *ast.ArgumentList
-	//=>        Arguments:
-	//=>          *ast.Argument
-	//=>          *ast.Argument
-	//=>            Expr:
-	//=>              *ast.ScalarDnumber
-}
-
-type testVisitor struct {
-	visitor.Null
-	depth int
-}
-
-func (v *testVisitor) Enter(key string, _ bool) {
-	v.depth++
-	fmt.Fprint(os.Stdout, "=>", strings.Repeat("  ", v.depth), key, ":\n")
-}
-
-func (v *testVisitor) Leave(key string, _ bool) {
-	v.depth--
-}
-
-func (v *testVisitor) EnterNode(n ast.Vertex) bool {
-	v.depth++
-	n.Accept(v)
-
-	return true
-}
-
-func (v *testVisitor) LeaveNode(_ ast.Vertex) {
-	v.depth--
-}
-
-func (v *testVisitor) Root(_ *ast.Root) {
-	fmt.Fprintln(os.Stdout, "=>", strings.Repeat("  ", v.depth-1), "*ast.Root")
-}
-
-func (v *testVisitor) Nullable(_ *ast.Nullable) {
-	fmt.Fprintln(os.Stdout, "=>", strings.Repeat("  ", v.depth-1), "*ast.Nullable")
-}
-
-func (v *testVisitor) Parameter(_ *ast.Parameter) {
-	fmt.Fprintln(os.Stdout, "=>", strings.Repeat("  ", v.depth-1), "*ast.Parameter")
-}
-
-func (v *testVisitor) Identifier(_ *ast.Identifier) {
-	fmt.Fprintln(os.Stdout, "=>", strings.Repeat("  ", v.depth-1), "*ast.Identifier")
-}
-
-func (v *testVisitor) ArgumentList(_ *ast.ArgumentList) {
-	fmt.Fprintln(os.Stdout, "=>", strings.Repeat("  ", v.depth-1), "*ast.ArgumentList")
-}
-
-func (v *testVisitor) Argument(_ *ast.Argument) {
-	fmt.Fprintln(os.Stdout, "=>", strings.Repeat("  ", v.depth-1), "*ast.Argument")
-}
-
-func (v *testVisitor) ScalarDnumber(_ *ast.ScalarDnumber) {
-	fmt.Fprintln(os.Stdout, "=>", strings.Repeat("  ", v.depth-1), "*ast.ScalarDnumber")
-}