comparison vendor/nikic/php-parser/test/PhpParser/NodeVisitor/FindingVisitorTest.php @ 13:5fb285c0d0e3

Update Drupal core to 8.4.7 via Composer. Security update; I *think* we've
been lucky to get away with this so far, as we don't support self-registration
which seems to be used by the so-called "drupalgeddon 2" attack that 8.4.5
was vulnerable to.

+<?php declare(strict_types=1);
+
+namespace PhpParser\NodeVisitor;
+
+use PhpParser\Node;
+use PhpParser\Node\Expr;
+use PhpParser\NodeTraverser;
+use PHPUnit\Framework\TestCase;
+
+class FindingVisitorTest extends TestCase
+{
+    public function testFindVariables() {
+        $traverser = new NodeTraverser();
+        $visitor = new FindingVisitor(function(Node $node) {
+            return $node instanceof Node\Expr\Variable;
+        });
+        $traverser->addVisitor($visitor);
+
+        $assign = new Expr\Assign(new Expr\Variable('a'), new Expr\BinaryOp\Concat(
+            new Expr\Variable('b'), new Expr\Variable('c')
+        ));
+        $stmts = [new Node\Stmt\Expression($assign)];
+
+        $traverser->traverse($stmts);
+        $this->assertSame([
+            $assign->var,
+            $assign->expr->left,
+            $assign->expr->right,
+        ], $visitor->getFoundNodes());
+    }
+
+    public function testFindAll() {
+        $traverser = new NodeTraverser();
+        $visitor = new FindingVisitor(function(Node $node) {
+            return true; // All nodes
+        });
+        $traverser->addVisitor($visitor);
+
+        $assign = new Expr\Assign(new Expr\Variable('a'), new Expr\BinaryOp\Concat(
+            new Expr\Variable('b'), new Expr\Variable('c')
+        ));
+        $stmts = [new Node\Stmt\Expression($assign)];
+
+        $traverser->traverse($stmts);
+        $this->assertSame([
+            $stmts[0],
+            $assign,
+            $assign->var,
+            $assign->expr,
+            $assign->expr->left,
+            $assign->expr->right,
+        ], $visitor->getFoundNodes());
+    }
+}