Added *Parser unit tests

tests/PHPStan/Parser/ParserTest.php

@@ -0,0 +1,69 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Parser;
+
+use PHPStan\Testing\PHPStanTestCase;
+use PHPStan\TrinaryLogic;
+
+/**
+ * @covers \PHPStan\Parser\RichParser
+ * @covers \PHPStan\Parser\SimpleParser
+ */
+class ParserTest extends PHPStanTestCase
+{
+
+ public function dataVariadicCallLikes(): iterable
+ {
+ yield [
+ __DIR__ . '/data/variadic-functions.php',
+ VariadicFunctionsVisitor::ATTRIBUTE_NAME,
+ [
+ 'VariadicFunctions\variadic_fn1' => TrinaryLogic::createYes(),
+ 'VariadicFunctions\nonvariadic' => TrinaryLogic::createNo(),
+ 'VariadicFunctions\maybe_variadic_fn1' => TrinaryLogic::createNo(),
+ ],
+ ];
+
+ yield [
+ __DIR__ . '/data/variadic-methods.php',
+ VariadicMethodsVisitor::ATTRIBUTE_NAME,
+ [
+ 'VariadicMethod\X' => [
+ 'non_variadic_fn1' => TrinaryLogic::createNo(),
+ 'variadic_fn1' => TrinaryLogic::createNo(), // variadicness later on detected via reflection
+ ],
+ ],
+ ];
+ }
+
+ /**
+ * @dataProvider dataVariadicCallLikes
+ * @param array<string, TrinaryLogic>|array<string, array<string, TrinaryLogic>> $expectedVariadics
+ * @throws ParserErrorsException
+ */
+ public function testSimpleParserVariadicCallLikes(string $file, string $attributeName, array $expectedVariadics): void
+ {
+ /** @var RichParser $parser */
+ $parser = self::getContainer()->getService('currentPhpVersionSimpleParser');
+ $ast = $parser->parseFile($file);
+ $variadics = $ast[0]->getAttribute($attributeName);
+ $this->assertIsArray($variadics);
+ $this->assertSame($expectedVariadics, $variadics);
+ }
+
+ /**
+ * @dataProvider dataVariadicCallLikes
+ * @param array<string, TrinaryLogic>|array<string, array<string, TrinaryLogic>> $expectedVariadics
+ * @throws ParserErrorsException
+ */
+ public function testRichParserVariadicCallLikes(string $file, string $attributeName, array $expectedVariadics): void
+ {
+ /** @var RichParser $parser */
+ $parser = self::getContainer()->getService('currentPhpVersionRichParser');
+ $ast = $parser->parseFile($file);
+ $variadics = $ast[0]->getAttribute($attributeName);
+ $this->assertIsArray($variadics);
+ $this->assertSame($expectedVariadics, $variadics);
+ }
+
+}

tests/PHPStan/Parser/data/variadic-functions.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace VariadicFunctions;
+
+function variadic_fn1(...$v) {
+}
+
+function nonvariadic()
+{
+}
+
+if (rand(0,1)) {
+ function maybe_variadic_fn1($v)
+ {
+ }
+} else {
+ function maybe_variadic_fn1(...$v)
+ {
+ }
+}
+
+(function() {})();
+
+$y = 1;
+$fn2 = function ($x) use ($y) {
+ return $x + $y;
+};

tests/PHPStan/Parser/data/variadic-methods.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace VariadicMethod;
+
+class X {
+
+ function non_variadic_fn1($v) {
+ }
+
+ function variadic_fn1(...$v) {
+ }
+}
+
+
+$x = new class {
+ function non_variadic_fn1($v) {
+ }
+
+ function variadic_fn1(...$v) {
+ }
+};