[Tests] Added coverage for the rule to remove class aliases

tests/lib/Rule/Internal/RemoveLegacyClassAliasRector/Fixture/another_class.php.inc

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+<?php /** @noinspection ALL */
+
+namespace Ibexa\Rector\Tests\Rule\Internal\RemoveLegacyClassAliasRector\Fixture;
+
+class MyAnotherLegacyClass
+{
+    public function foo(): void
+    {
+    }
+}
+
+class_alias(MyAnotherLegacyClass::class, 'eZ\Some\Namespace\MyAnotherLegacyClass');
+
+?>
+-----
+<?php /** @noinspection ALL */
+
+namespace Ibexa\Rector\Tests\Rule\Internal\RemoveLegacyClassAliasRector\Fixture;
+
+class MyAnotherLegacyClass
+{
+    public function foo(): void
+    {
+    }
+}
+
+?>

tests/lib/Rule/Internal/RemoveLegacyClassAliasRector/Fixture/bc_ibexa_class.php.inc

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+<?php /** @noinspection ALL */
+
+namespace Ibexa\Rector\Tests\Rule\Internal\RemoveLegacyClassAliasRector\Fixture;
+
+class MyIbexaClass
+{
+    public function foo(): void
+    {
+    }
+}
+
+class_alias(MyIbexaClass::class, 'Ibexa\Platform\MyAnotherLegacyClass');
+
+?>
+-----
+<?php /** @noinspection ALL */
+
+namespace Ibexa\Rector\Tests\Rule\Internal\RemoveLegacyClassAliasRector\Fixture;
+
+class MyIbexaClass
+{
+    public function foo(): void
+    {
+    }
+}
+
+?>

tests/lib/Rule/Internal/RemoveLegacyClassAliasRector/Fixture/some_class.php.inc

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+<?php /** @noinspection ALL */
+
+namespace Ibexa\Rector\Tests\Rule\Internal\RemoveLegacyClassAliasRector\Fixture;
+
+class MyLegacyClass
+{
+    public function foo(): void
+    {
+    }
+}
+
+class_alias(MyLegacyClass::class, 'EzSystems\Some\Namespace\MyLegacyClass');
+
+?>
+-----
+<?php /** @noinspection ALL */
+
+namespace Ibexa\Rector\Tests\Rule\Internal\RemoveLegacyClassAliasRector\Fixture;
+
+class MyLegacyClass
+{
+    public function foo(): void
+    {
+    }
+}
+
+?>

tests/lib/Rule/Internal/RemoveLegacyClassAliasRector/Fixture/third_party_class.php.inc

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+<?php /** @noinspection ALL */
+
+namespace Ibexa\Rector\Tests\Rule\Internal\RemoveLegacyClassAliasRector\Fixture;
+
+class ThirdPartyClass
+{
+    public function foo(): void
+    {
+    }
+}
+
+// this is not ours, should remain
+class_alias(ThirdPartyClass::class, 'ThirdPartyVendor\Accidental\Ibexa\Collsion');
+
+?>
+-----
+<?php /** @noinspection ALL */
+
+namespace Ibexa\Rector\Tests\Rule\Internal\RemoveLegacyClassAliasRector\Fixture;
+
+class ThirdPartyClass
+{
+    public function foo(): void
+    {
+    }
+}
+
+// this is not ours, should remain
+class_alias(ThirdPartyClass::class, 'ThirdPartyVendor\Accidental\Ibexa\Collsion');
+
+?>

tests/lib/Rule/Internal/RemoveLegacyClassAliasRector/RemoveLegacyClassAliasRectorTest.php

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+<?php
+
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace Ibexa\Rector\Tests\Rule\Internal\RemoveLegacyClassAliasRector;
+
+use PHPUnit\Framework\Attributes\DataProvider;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+
+/**
+ * @covers \Ibexa\Rector\Rule\Internal\RemoveLegacyClassAliasRector
+ */
+final class RemoveLegacyClassAliasRectorTest extends AbstractRectorTestCase
+{
+    /**
+     * @throws \Rector\Exception\ShouldNotHappenException
+     */
+    #[DataProvider('provideData')]
+    public function test(string $filePath): void
+    {
+        $this->doTestFile($filePath);
+    }
+
+    public static function provideData(): \Iterator
+    {
+        return self::yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}

tests/lib/Rule/Internal/RemoveLegacyClassAliasRector/config/configured_rule.php

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+<?php
+
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+use Ibexa\Rector\Rule\Internal\RemoveLegacyClassAliasRector;
+use Rector\Config\RectorConfig;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->rule(RemoveLegacyClassAliasRector::class);
+};