feat: add GitHub-powered updates to WordPress admin

test/integration-authentication.php

@@ -278,6 +278,50 @@ function test_debug_error_details(): void
     pass('Debug mode displays full exception details and stack trace');
 }
 
+function test_plugin_update_discovery(): void
+{
+    $packageUrl = 'https://github.com/dabestaniha/mahak-authenticate-bridge/releases/download/v2.3.0/mahak-authenticate-bridge.zip';
+    $mockRelease = function ($response, array $request, string $url) use ($packageUrl) {
+        if ($url !== 'https://api.github.com/repos/dabestaniha/mahak-authenticate-bridge/releases/latest') {
+            return $response;
+        }
+
+        return [
+            'headers' => [],
+            'body' => json_encode([
+                'tag_name' => 'v2.3.0',
+                'html_url' => 'https://github.com/dabestaniha/mahak-authenticate-bridge/releases/tag/v2.3.0',
+                'body' => 'Test release',
+                'draft' => false,
+                'prerelease' => false,
+                'assets' => [[
+                    'name' => 'mahak-authenticate-bridge.zip',
+                    'browser_download_url' => $packageUrl,
+                ]],
+            ], JSON_THROW_ON_ERROR),
+            'response' => ['code' => 200, 'message' => 'OK'],
+            'cookies' => [],
+            'filename' => null,
+        ];
+    };
+
+    delete_site_transient('mahak_authenticate_bridge_release');
+    add_filter('pre_http_request', $mockRelease, 10, 3);
+
+    $updates = apply_filters('pre_set_site_transient_update_plugins', (object) [
+        'checked' => [TEST_PLUGIN => MAHAK_AUTHENTICATE_BRIDGE_VERSION],
+        'response' => [],
+    ]);
+
+    remove_filter('pre_http_request', $mockRelease, 10);
+
+    assert_true(isset($updates->response[TEST_PLUGIN]), 'A newer GitHub release was not offered as a WordPress update.');
+    assert_true($updates->response[TEST_PLUGIN]->new_version === '2.3.0', 'The offered plugin version was incorrect.');
+    assert_true($updates->response[TEST_PLUGIN]->package === $packageUrl, 'The release package URL was incorrect.');
+
+    pass('Published GitHub releases are discovered by the WordPress updater');
+}
+
 boot_wordpress();
 install_wordpress();
 activate_and_configure_plugin();
@@ -285,5 +329,6 @@ wait_for_http();
 test_valid_authentication();
 test_invalid_authentication();
 test_debug_error_details();
+test_plugin_update_discovery();
 
 echo "[OK] Authentication integration test passed\n";