Test that it can read class constants

Author: Bellangelo

tests/PHPStan/Rules/Keywords/ClassThatContainsConst.php

@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PHPStan\Rules\Keywords;
+
+class ClassThatContainsConst
+{
+    public const string FILE_EXISTS = 'include-me-to-prove-you-work.txt';
+    public const string FILE_DOES_NOT_EXIST = 'a-file-that-does-not-exist.php';
+}

tests/PHPStan/Rules/Keywords/RequireFileExistsRuleTest.php

@@ -35,4 +35,23 @@ public function testFileExistsButPathIsRelative(): void
 			],
 		]);
 	}
+
+	public function testFileExistsUsingClassConst(): void
+	{
+		$this->analyse([__DIR__ . '/data/file-exists-using-class-const.php'], []);
+	}
+
+	public function testFileDoesNotExistUsingClassConst(): void
+	{
+		$this->analyse([__DIR__ . '/data/required-file-does-not-exist-using-class-const.php'], [
+			[
+				'Required file "a-file-that-does-not-exist.php" does not exist.',
+				7,
+			],
+			[
+				'Required file "a-file-that-does-not-exist.php" does not exist.',
+				8,
+			],
+		]);
+	}
 }

tests/PHPStan/Rules/Keywords/data/file-exists-using-class-const.php

@@ -0,0 +1,8 @@
+<?php declare(strict_types=1);
+
+use PHPStan\Rules\Keywords\ClassThatContainsConst;
+
+include __DIR__ . '/' . ClassThatContainsConst::FILE_EXISTS;
+include_once __DIR__ . '/' . ClassThatContainsConst::FILE_EXISTS;
+require __DIR__ . '/' . ClassThatContainsConst::FILE_EXISTS;
+require_once __DIR__ . '/' . ClassThatContainsConst::FILE_EXISTS;

tests/PHPStan/Rules/Keywords/data/required-file-does-not-exist-using-class-const.php

@@ -0,0 +1,8 @@
+<?php declare(strict_types=1);
+
+use PHPStan\Rules\Keywords\ClassThatContainsConst;
+
+include ClassThatContainsConst::FILE_DOES_NOT_EXIST;
+include_once ClassThatContainsConst::FILE_DOES_NOT_EXIST;
+require ClassThatContainsConst::FILE_DOES_NOT_EXIST;
+require_once ClassThatContainsConst::FILE_DOES_NOT_EXIST;