added test

Co-Authored-By: Michal Špaček <[email protected]>
Co-Authored-By: Ruud Kamphuis <[email protected]>

Author: 3 people

Diff for: tests/PHPStan/Analyser/InstanceMethodsParameterRule.php

@@ -0,0 +1,29 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Analyser;
+
+use PhpParser\Node;
+use PhpParser\Node\Name\FullyQualified;
+use PHPStan\Rules\Rule;
+use PHPStan\Rules\RuleErrorBuilder;
+use function sprintf;
+
+/**
+ * @implements Rule<FullyQualified>
+ */
+class InstanceMethodsParameterRule implements Rule
+{
+
+	public function getNodeType(): string
+	{
+		return FullyQualified::class;
+	}
+
+	public function processNode(Node $node, Scope $scope): array
+	{
+		return [
+			RuleErrorBuilder::message(sprintf('Name %s found in method %s', $node->toString(), $scope->getFunction()?->getName() ?? 'null'))->identifier('test.instanceOfMethodsParameterRule')->build(),
+		];
+	}
+
+}

Diff for: tests/PHPStan/Analyser/InstanceMethodsParameterScopeTest.php

@@ -0,0 +1,43 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Analyser;
+
+use PHPStan\Rules\Rule;
+use PHPStan\Testing\RuleTestCase;
+use const PHP_VERSION_ID;
+
+/**
+ * @extends RuleTestCase<InstanceMethodsParameterRule>
+ */
+class InstanceMethodsParameterScopeTest extends RuleTestCase
+{
+
+	protected function getRule(): Rule
+	{
+		return new InstanceMethodsParameterRule();
+	}
+
+	protected function shouldNarrowMethodScopeFromConstructor(): bool
+	{
+		return true;
+	}
+
+	public function testRule(): void
+	{
+		if (PHP_VERSION_ID < 80000) {
+			$this->markTestSkipped('Test requires PHP 8.0.');
+		}
+
+		$this->analyse([__DIR__ . '/data/instance-methods-parameter-scope.php'], [
+			[
+				'Name DateTime found in method null',
+				12,
+			],
+			[
+				'Name Baz\Waldo found in method null',
+				16,
+			],
+		]);
+	}
+
+}

Diff for: tests/PHPStan/Analyser/data/instance-methods-parameter-scope.php

@@ -0,0 +1,19 @@
+<?php
+declare(strict_types = 1);
+
+namespace InstanceMethodsParameterScopeTest;
+
+class HelloWorld
+{
+	public function __construct()
+	{
+	}
+
+	public function foo(\DateTime $d): void
+	{
+	}
+
+	public function bar(\Baz\Waldo $d): void
+	{
+	}
+}