Add Psr6NullModule

src/Psr6NullModule.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Ray\PsrCacheModule;
+
+use Psr\Cache\CacheItemPoolInterface;
+use Ray\Di\AbstractModule;
+use Ray\Di\Scope;
+use Ray\PsrCacheModule\Annotation\Local;
+use Ray\PsrCacheModule\Annotation\Shared;
+use Symfony\Component\Cache\Adapter\ArrayAdapter;
+use Symfony\Component\Cache\Adapter\NullAdapter;
+
+final class Psr6NullModule extends AbstractModule
+{
+    protected function configure(): void
+    {
+        $this->bind(CacheItemPoolInterface::class)->annotatedWith(Local::class)->to(NullAdapter::class)->in(Scope::SINGLETON);
+        $this->bind(CacheItemPoolInterface::class)->annotatedWith(Shared::class)->to(NullAdapter::class)->in(Scope::SINGLETON);
+    }
+}

tests/Psr6CacheTest.php

@@ -5,16 +5,26 @@
 namespace Ray\PsrCacheModule;
 
 use PHPUnit\Framework\TestCase;
+use Psr\Cache\CacheItemPoolInterface;
 use Ray\Di\AbstractModule;
 use Ray\Di\Injector;
 use Ray\PsrCacheModule\Annotation\CacheDir;
+use Ray\PsrCacheModule\Annotation\Shared;
+use Symfony\Component\Cache\Adapter\ArrayAdapter;
+use Symfony\Component\Cache\Adapter\NullAdapter;
 
 class Psr6CacheTest extends TestCase
 {
     public function testDevPsrCacheModule(): void
     {
-        $module = new Psr6ArrayModule();
-        $this->assertInstanceOf(AbstractModule::class, $module);
+        $cache = (new Injector(new Psr6NullModule()))->getInstance(CacheItemPoolInterface::class, Shared::class);
+        $this->assertInstanceOf(NullAdapter::class, $cache);
+    }
+
+    public function testArrayCacheModule(): void
+    {
+        $cache = (new Injector(new Psr6ArrayModule()))->getInstance(CacheItemPoolInterface::class, Shared::class);
+        $this->assertInstanceOf(ArrayAdapter::class, $cache);
     }
 
     public function testCacheDirModule(): void