Add tests for emails renderer api client and Yii2 wrapper component

common/tests/unit/components/EmailsRenderer/ApiTest.php

@@ -0,0 +1,58 @@
+<?php
+declare(strict_types=1);
+
+namespace common\tests\unit\components\EmailsRenderer;
+
+use common\components\EmailsRenderer\Api;
+use common\components\EmailsRenderer\Request\TemplateRequest;
+use common\tests\unit\TestCase;
+use GuzzleHttp\Client;
+use GuzzleHttp\Handler\MockHandler;
+use GuzzleHttp\HandlerStack;
+use GuzzleHttp\Middleware;
+use GuzzleHttp\Psr7\Response;
+
+class ApiTest extends TestCase {
+
+    /**
+     * @var Api
+     */
+    private $api;
+
+    /**
+     * @var MockHandler
+     */
+    private $mockHandler;
+
+    /**
+     * @var \Psr\Http\Message\RequestInterface[]
+     */
+    private $history;
+
+    protected function setUp(): void {
+        parent::setUp();
+
+        $this->mockHandler = new MockHandler();
+        $handlerStack = HandlerStack::create($this->mockHandler);
+        $this->history = [];
+        $handlerStack->push(Middleware::history($this->history), 'history');
+        $client = new Client([
+            'handler' => $handlerStack,
+            'base_uri' => 'http://emails-renderer',
+        ]);
+        $this->api = new Api('http://emails-renderer');
+        $this->api->setClient($client);
+    }
+
+    public function testGetTemplate() {
+        $this->mockHandler->append(new Response(200, [], 'mock-response'));
+
+        $request = new TemplateRequest('mock-name', 'mock-locale', ['find-me' => 'please']);
+        $this->assertSame('mock-response', $this->api->getTemplate($request));
+
+        /** @var \Psr\Http\Message\RequestInterface $request */
+        ['request' => $request] = $this->history[0];
+        $this->assertSame('http://emails-renderer/templates/mock-locale/mock-name?find-me=please', (string)$request->getUri());
+    }
+
+}

common/tests/unit/components/EmailsRenderer/ComponentTest.php

@@ -0,0 +1,53 @@
+<?php
+declare(strict_types=1);
+
+namespace common\tests\unit\components\EmailsRenderer;
+
+use common\components\EmailsRenderer\Api;
+use common\components\EmailsRenderer\Component;
+use common\components\EmailsRenderer\Request\TemplateRequest;
+use common\tests\unit\TestCase;
+
+class ComponentTest extends TestCase {
+
+    /**
+     * @var Api|\PHPUnit\Framework\MockObject\MockObject
+     */
+    private $api;
+
+    /**
+     * @var Component
+     */
+    private $component;
+
+    protected function setUp() {
+        parent::setUp();
+
+        $this->api = $this->createMock(Api::class);
+        $componentParams = [
+            'api' => $this->api,
+            'serviceUrl' => 'http://emails-renderer',
+            'basePath' => '/images/emails-templates',
+        ];
+        $this->component = new class($componentParams) extends Component {
+            public $api;
+
+            protected function getApi(): Api {
+                return $this->api;
+            }
+        };
+    }
+
+    public function testRender() {
+        $expectedRequest = new TemplateRequest('mock-name', 'mock-locale', [
+            'find-me' => 'please',
+            'assetsHost' => 'http://localhost/images/emails-templates',
+        ]);
+
+        $this->api->expects($this->once())->method('getTemplate')->with($expectedRequest)->willReturn('mock-template');
+
+        $result = $this->component->render('mock-name', 'mock-locale', ['find-me' => 'please']);
+        $this->assertSame('mock-template', $result);
+    }
+
+}