Add HubRegistry::all method and HubRegistry tests (#50)

Author: mtarld

src/HubRegistry.php

@@ -41,4 +41,12 @@ public function getHub(string $name = null): HubInterface
 
         return $this->hubs[$name];
     }
+
+    /**
+     * @return array<string, HubInterface>
+     */
+    public function all(): array
+    {
+        return $this->hubs;
+    }
 }

tests/HubRegistryTest.php

@@ -0,0 +1,59 @@
+<?php
+
+/*
+ * This file is part of the Mercure Component project.
+ *
+ * (c) Kévin Dunglas <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Symfony\Component\Mercure\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Mercure\Exception\InvalidArgumentException;
+use Symfony\Component\Mercure\HubRegistry;
+use Symfony\Component\Mercure\Jwt\StaticTokenProvider;
+use Symfony\Component\Mercure\MockHub;
+
+class HubRegistryTest extends TestCase
+{
+    public function testGetHubByName(): void
+    {
+        $fooHub = new MockHub('fooUrl', new StaticTokenProvider('fooToken'), static function (): string { return 'foo'; });
+        $barHub = new MockHub('barUrl', new StaticTokenProvider('barToken'), static function (): string { return 'bar'; });
+        $registry = new HubRegistry($fooHub, ['foo' => $fooHub, 'bar' => $barHub]);
+
+        $this->assertSame($fooHub, $registry->getHub('foo'));
+    }
+
+    public function testGetDefaultHub(): void
+    {
+        $fooHub = new MockHub('fooUrl', new StaticTokenProvider('fooToken'), static function (): string { return 'foo'; });
+        $barHub = new MockHub('barUrl', new StaticTokenProvider('barToken'), static function (): string { return 'bar'; });
+        $registry = new HubRegistry($fooHub, ['foo' => $fooHub, 'bar' => $barHub]);
+
+        $this->assertSame($fooHub, $registry->getHub());
+    }
+
+    public function testGetMissingHubThrows(): void
+    {
+        $fooHub = new MockHub('fooUrl', new StaticTokenProvider('fooToken'), static function (): string { return 'foo'; });
+        $registry = new HubRegistry($fooHub, ['foo' => $fooHub]);
+
+        $this->expectException(InvalidArgumentException::class);
+        $registry->getHub('bar');
+    }
+
+    public function testGetAllHubs(): void
+    {
+        $fooHub = new MockHub('fooUrl', new StaticTokenProvider('fooToken'), static function (): string { return 'foo'; });
+        $barHub = new MockHub('barUrl', new StaticTokenProvider('barToken'), static function (): string { return 'bar'; });
+        $registry = new HubRegistry($fooHub, ['foo' => $fooHub, 'bar' => $barHub]);
+
+        $this->assertSame(['foo' => $fooHub, 'bar' => $barHub], $registry->all());
+    }
+}