refactoring: update traverser

pkg/visitor/dumper/dumper_test.go

@@ -0,0 +1,76 @@
+package dumper_test
+
+import (
+	"bytes"
+	"github.com/z7zmey/php-parser/pkg/position"
+	"github.com/z7zmey/php-parser/pkg/token"
+	"github.com/z7zmey/php-parser/pkg/visitor/dumper"
+	"testing"
+
+	"github.com/z7zmey/php-parser/pkg/ast"
+)
+
+func TestDumper_root(t *testing.T) {
+	o := bytes.NewBufferString("")
+
+	p := dumper.NewDumper(o).WithTokens().WithPositions()
+	n := &ast.Root{
+		Position: &position.Position{
+			StartLine: 1,
+			EndLine:   2,
+			StartPos:  3,
+			EndPos:    4,
+		},
+		Stmts: []ast.Vertex{
+			&ast.StmtNop{},
+		},
+		EndTkn: &token.Token{
+			FreeFloating: []*token.Token{
+				{
+					ID:    token.T_WHITESPACE,
+					Value: []byte(" "),
+					Position: &position.Position{
+						StartLine: 1,
+						EndLine:   2,
+						StartPos:  3,
+						EndPos:    4,
+					},
+				},
+			},
+		},
+	}
+	n.Accept(p)
+
+	expected := `&ast.Root{
+	Position: &position.Position{
+		StartLine: 1,
+		EndLine:   2,
+		StartPos:  3,
+		EndPos:    4,
+	},
+	Stmts: []ast.Vertex{
+		&ast.StmtNop{
+		},
+	},
+	EndTkn: &token.Token{
+		FreeFloating: []*token.Token{
+			{
+				ID: token.T_WHITESPACE,
+				Value: []byte(" "),
+				Position: &position.Position{
+					StartLine: 1,
+					EndLine:   2,
+					StartPos:  3,
+					EndPos:    4,
+				},
+			},
+		},
+	},
+},
+`
+	actual := o.String()
+
+	if expected != actual {
+		t.Errorf("\nexpected: %s\ngot: %s\n", expected, actual)
+	}
+}