Add Composer autoloading functions and PHPStan for testing

vendor/nikic/php-parser/test/PhpParser/NodeDumperTest.php

@@ -0,0 +1,105 @@
+<?php declare(strict_types=1);
+
+namespace PhpParser;
+
+class NodeDumperTest extends \PHPUnit\Framework\TestCase
+{
+    private function canonicalize($string) {
+        return str_replace("\r\n", "\n", $string);
+    }
+
+    /**
+     * @dataProvider provideTestDump
+     */
+    public function testDump($node, $dump) {
+        $dumper = new NodeDumper;
+
+        $this->assertSame($this->canonicalize($dump), $this->canonicalize($dumper->dump($node)));
+    }
+
+    public function provideTestDump() {
+        return [
+            [
+                [],
+'array(
+)'
+            ],
+            [
+                ['Foo', 'Bar', 'Key' => 'FooBar'],
+'array(
+    0: Foo
+    1: Bar
+    Key: FooBar
+)'
+            ],
+            [
+                new Node\Name(['Hallo', 'World']),
+'Name(
+    parts: array(
+        0: Hallo
+        1: World
+    )
+)'
+            ],
+            [
+                new Node\Expr\Array_([
+                    new Node\Expr\ArrayItem(new Node\Scalar\String_('Foo'))
+                ]),
+'Expr_Array(
+    items: array(
+        0: Expr_ArrayItem(
+            key: null
+            value: Scalar_String(
+                value: Foo
+            )
+            byRef: false
+        )
+    )
+)'
+            ],
+        ];
+    }
+
+    public function testDumpWithPositions() {
+        $parser = (new ParserFactory)->create(
+            ParserFactory::ONLY_PHP7,
+            new Lexer(['usedAttributes' => ['startLine', 'endLine', 'startFilePos', 'endFilePos']])
+        );
+        $dumper = new NodeDumper(['dumpPositions' => true]);
+
+        $code = "<?php\n\$a = 1;\necho \$a;";
+        $expected = <<<'OUT'
+array(
+    0: Stmt_Expression[2:1 - 2:7](
+        expr: Expr_Assign[2:1 - 2:6](
+            var: Expr_Variable[2:1 - 2:2](
+                name: a
+            )
+            expr: Scalar_LNumber[2:6 - 2:6](
+                value: 1
+            )
+        )
+    )
+    1: Stmt_Echo[3:1 - 3:8](
+        exprs: array(
+            0: Expr_Variable[3:6 - 3:7](
+                name: a
+            )
+        )
+    )
+)
+OUT;
+
+        $stmts = $parser->parse($code);
+        $dump = $dumper->dump($stmts, $code);
+
+        $this->assertSame($this->canonicalize($expected), $this->canonicalize($dump));
+    }
+
+    public function testError() {
+        $this->expectException(\InvalidArgumentException::class);
+        $this->expectExceptionMessage('Can only dump nodes and arrays.');
+        $dumper = new NodeDumper;
+        $dumper->dump(new \stdClass);
+    }
+}