68 lines
1.3 KiB
Go
68 lines
1.3 KiB
Go
package traverser_test
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import (
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"testing"
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"github.com/laytan/php-parser/pkg/ast"
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"github.com/laytan/php-parser/pkg/visitor"
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"github.com/laytan/php-parser/pkg/visitor/traverser"
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)
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// testCase is a traverser that does not go into any class statement or its children.
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// If it does, the test fails.
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type testCase struct {
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t *testing.T
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visitor.Null
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traversedFunction bool
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}
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var _ ast.Visitor = &testCase{}
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func (t *testCase) EnterNode(n ast.Vertex) bool {
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t.t.Logf("EnterNode: %T", n)
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if _, ok := n.(*ast.StmtClass); ok {
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return false
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}
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return true
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}
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func (t *testCase) LeaveNode(n ast.Vertex) {
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t.t.Logf("LeaveNode: %T", n)
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if _, ok := n.(*ast.Root); ok {
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if !t.traversedFunction {
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t.t.Error("traverser did not traverse function")
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}
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}
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}
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func (t *testCase) StmtClass(n *ast.StmtClass) {
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t.t.Errorf("traverser got to class")
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}
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func (t *testCase) StmtClassMethod(n *ast.StmtClassMethod) {
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t.t.Errorf("traverser got to method")
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}
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func (t *testCase) StmtFunction(n *ast.StmtFunction) {
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t.traversedFunction = true
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}
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func TestEnterNodeIsRespected(t *testing.T) {
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tc := &testCase{t: t}
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tv := traverser.NewTraverser(tc)
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root := &ast.Root{
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Stmts: []ast.Vertex{
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&ast.StmtFunction{},
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&ast.StmtClass{
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Stmts: []ast.Vertex{
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&ast.StmtClassMethod{},
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},
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},
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},
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}
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root.Accept(tv)
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}
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