Add Composer autoloading functions and PHPStan for testing

vendor/nikic/php-parser/test/PhpParser/Parser/MultipleTest.php

@@ -0,0 +1,94 @@
+<?php declare(strict_types=1);
+
+namespace PhpParser\Parser;
+
+use PhpParser\Error;
+use PhpParser\Lexer;
+use PhpParser\Node\Expr;
+use PhpParser\Node\Scalar\LNumber;
+use PhpParser\Node\Stmt;
+use PhpParser\ParserTest;
+
+class MultipleTest extends ParserTest
+{
+    // This provider is for the generic parser tests, just pick an arbitrary order here
+    protected function getParser(Lexer $lexer) {
+        return new Multiple([new Php5($lexer), new Php7($lexer)]);
+    }
+
+    private function getPrefer7() {
+        $lexer = new Lexer(['usedAttributes' => []]);
+        return new Multiple([new Php7($lexer), new Php5($lexer)]);
+    }
+
+    private function getPrefer5() {
+        $lexer = new Lexer(['usedAttributes' => []]);
+        return new Multiple([new Php5($lexer), new Php7($lexer)]);
+    }
+
+    /** @dataProvider provideTestParse */
+    public function testParse($code, Multiple $parser, $expected) {
+        $this->assertEquals($expected, $parser->parse($code));
+    }
+
+    public function provideTestParse() {
+        return [
+            [
+                // PHP 7 only code
+                '<?php class Test { function function() {} }',
+                $this->getPrefer5(),
+                [
+                    new Stmt\Class_('Test', ['stmts' => [
+                        new Stmt\ClassMethod('function')
+                    ]]),
+                ]
+            ],
+            [
+                // PHP 5 only code
+                '<?php global $$a->b;',
+                $this->getPrefer7(),
+                [
+                    new Stmt\Global_([
+                        new Expr\Variable(new Expr\PropertyFetch(new Expr\Variable('a'), 'b'))
+                    ])
+                ]
+            ],
+            [
+                // Different meaning (PHP 5)
+                '<?php $$a[0];',
+                $this->getPrefer5(),
+                [
+                    new Stmt\Expression(new Expr\Variable(
+                        new Expr\ArrayDimFetch(new Expr\Variable('a'), LNumber::fromString('0'))
+                    ))
+                ]
+            ],
+            [
+                // Different meaning (PHP 7)
+                '<?php $$a[0];',
+                $this->getPrefer7(),
+                [
+                    new Stmt\Expression(new Expr\ArrayDimFetch(
+                        new Expr\Variable(new Expr\Variable('a')), LNumber::fromString('0')
+                    ))
+                ]
+            ],
+        ];
+    }
+
+    public function testThrownError() {
+        $this->expectException(Error::class);
+        $this->expectExceptionMessage('FAIL A');
+
+        $parserA = $this->getMockBuilder(\PhpParser\Parser::class)->getMock();
+        $parserA->expects($this->at(0))
+            ->method('parse')->willThrowException(new Error('FAIL A'));
+
+        $parserB = $this->getMockBuilder(\PhpParser\Parser::class)->getMock();
+        $parserB->expects($this->at(0))
+            ->method('parse')->willThrowException(new Error('FAIL B'));
+
+        $parser = new Multiple([$parserA, $parserB]);
+        $parser->parse('dummy');
+    }
+}