feat(tests): add ClientTest for WPush

- Add new test file ClientTest.php
- Add test case for sending message using Client class with Authenticator and Message classes

tests/WPush/ClientTest.php

@@ -0,0 +1,39 @@
+<?php
+
+/** @noinspection StaticClosureCanBeUsedInspection */
+/** @noinspection PhpUnhandledExceptionInspection */
+
+declare(strict_types=1);
+
+/**
+ * Copyright (c) 2021-2024 guanguans<[email protected]>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ *
+ * @see https://github.com/guanguans/notify
+ */
+
+namespace Guanguans\NotifyTests\WPush;
+
+use Guanguans\Notify\WPush\Authenticator;
+use Guanguans\Notify\WPush\Client;
+use Guanguans\Notify\WPush\Messages\Message;
+
+it('can send message', function (): void {
+    $authenticator = new Authenticator('WPUSHXtvzuCujtOcL1cFkF1NC9aef');
+    $client = new Client($authenticator);
+    $message = Message::make([
+        'title' => 'This is title.',
+        'content' => 'This is content.',
+        'channel' => 'wechat',
+        // 'topic_code' => 'topic_code',
+    ]);
+
+    expect($client)
+        ->mock([
+            create_response('{"code":0,"message":"success","data":"50285451654725632"}'),
+            create_response('{"code":401,"message":"API Key错误","data":null}'),
+        ])
+        ->assertCanSendMessage($message);
+})->group(__DIR__, __FILE__);