add tests for pre send object.

Author: makasim

pkg/enqueue/Tests/Client/PreSendTest.php

@@ -0,0 +1,126 @@
+<?php
+
+namespace Enqueue\Tests\Client;
+
+use Enqueue\Client\DriverInterface;
+use Enqueue\Client\Message;
+use Enqueue\Client\PreSend;
+use Enqueue\Client\ProducerInterface;
+use Enqueue\Test\ClassExtensionTrait;
+use PHPUnit\Framework\TestCase;
+
+class PreSendTest extends TestCase
+{
+    use ClassExtensionTrait;
+
+    public function testShouldBeFinal()
+    {
+        self::assertClassFinal(PreSend::class);
+    }
+
+    public function testCouldBeConstructedWithExpectedArguments()
+    {
+        new PreSend(
+            'aCommandOrTopic',
+            new Message(),
+            $this->createProducerMock(),
+            $this->createDriverMock()
+        );
+    }
+
+    public function testShouldAllowGetArgumentSetInConstructor()
+    {
+        $expectedCommandOrTopic = 'theCommandOrTopic';
+        $expectedMessage = new Message();
+        $expectedProducer = $this->createProducerMock();
+        $expectedDriver = $this->createDriverMock();
+
+        $context = new PreSend(
+            $expectedCommandOrTopic,
+            $expectedMessage,
+            $expectedProducer,
+            $expectedDriver
+        );
+
+        $this->assertSame($expectedCommandOrTopic, $context->getTopic());
+        $this->assertSame($expectedCommandOrTopic, $context->getCommand());
+        $this->assertSame($expectedMessage, $context->getMessage());
+        $this->assertSame($expectedProducer, $context->getProducer());
+        $this->assertSame($expectedDriver, $context->getDriver());
+
+        $this->assertEquals($expectedMessage, $context->getOriginalMessage());
+        $this->assertNotSame($expectedMessage, $context->getOriginalMessage());
+    }
+
+    public function testCouldChangeTopic()
+    {
+        $context = new PreSend(
+            'aCommandOrTopic',
+            new Message(),
+            $this->createProducerMock(),
+            $this->createDriverMock()
+        );
+
+        //guard
+        $this->assertSame('aCommandOrTopic', $context->getTopic());
+
+        $context->changeTopic('theChangedTopic');
+
+        $this->assertSame('theChangedTopic', $context->getTopic());
+    }
+
+    public function testCouldChangeCommand()
+    {
+        $context = new PreSend(
+            'aCommandOrTopic',
+            new Message(),
+            $this->createProducerMock(),
+            $this->createDriverMock()
+        );
+
+        //guard
+        $this->assertSame('aCommandOrTopic', $context->getCommand());
+
+        $context->changeCommand('theChangedCommand');
+
+        $this->assertSame('theChangedCommand', $context->getCommand());
+    }
+
+    public function testCouldChangeBody()
+    {
+        $context = new PreSend(
+            'aCommandOrTopic',
+            new Message('aBody'),
+            $this->createProducerMock(),
+            $this->createDriverMock()
+        );
+
+        //guard
+        $this->assertSame('aBody', $context->getMessage()->getBody());
+        $this->assertNull($context->getMessage()->getContentType());
+
+        $context->changeBody('theChangedBody');
+        $this->assertSame('theChangedBody', $context->getMessage()->getBody());
+        $this->assertNull($context->getMessage()->getContentType());
+
+        $context->changeBody('theChangedBodyAgain', 'foo/bar');
+        $this->assertSame('theChangedBodyAgain', $context->getMessage()->getBody());
+        $this->assertSame('foo/bar', $context->getMessage()->getContentType());
+    }
+
+    /**
+     * @return \PHPUnit_Framework_MockObject_MockObject
+     */
+    private function createDriverMock(): DriverInterface
+    {
+        return $this->createMock(DriverInterface::class);
+    }
+
+    /**
+     * @return \PHPUnit_Framework_MockObject_MockObject
+     */
+    private function createProducerMock(): ProducerInterface
+    {
+        return $this->createMock(ProducerInterface::class);
+    }
+}