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tests/_support/Config/Services.php

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+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Tests\Support\Config;
+
+use CodeIgniter\HTTP\URI;
+use Config\Services as BaseServices;
+use RuntimeException;
+
+/**
+ * Services Class
+ *
+ * Provides a replacement uri Service
+ * to demonstrate overriding core services.
+ */
+class Services extends BaseServices
+{
+    /**
+     * The URI class provides a way to model and manipulate URIs.
+     *
+     * @param string $uri
+     *
+     * @return URI
+     */
+    public static function uri(?string $uri = null, bool $getShared = true)
+    {
+        // Intercept our test case
+        if ($uri === 'testCanReplaceFrameworkServices') {
+            throw new RuntimeException('Service originated from ' . static::class);
+        }
+
+        if ($getShared) {
+            return static::getSharedInstance('uri', $uri);
+        }
+
+        return new URI($uri);
+    }
+}