[Shipping] Cover Helper Data by Unit Test

Author: edenduong

app/code/Magento/Shipping/Test/Unit/Helper/DataTest.php

@@ -0,0 +1,102 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Shipping\Test\Unit\Helper;
+
+use PHPUnit\Framework\TestCase;
+use Magento\Shipping\Helper\Data as HelperData;
+use Magento\Framework\Url\DecoderInterface;
+use Magento\Framework\App\Helper\Context;
+use Magento\Framework\TestFramework\Unit\Helper\ObjectManager as ObjectManagerHelper;
+
+/**
+ * Data helper test
+ *
+ * Class \Magento\Shipping\Test\Unit\Helper\DataTest
+ */
+class DataTest extends TestCase
+{
+    /**
+     * @var HelperData
+     */
+    private $helper;
+
+    /**
+     * @var DecoderInterface|\PHPUnit_Framework_MockObject_MockObject
+     */
+    private $urlDecoderMock;
+
+    /**
+     * @var Context|\PHPUnit_Framework_MockObject_MockObject
+     */
+    private $contextMock;
+
+    /**
+     * @var ObjectManagerHelper
+     */
+    private $objectManagerHelper;
+
+    /**
+     * Setup environment to test
+     */
+    protected function setUp()
+    {
+        $this->contextMock = $this->createMock(Context::class);
+        $this->urlDecoderMock = $this->createMock(DecoderInterface::class);
+        $this->contextMock->expects($this->any())->method('getUrlDecoder')
+            ->willReturn($this->urlDecoderMock);
+        $this->objectManagerHelper = new ObjectManagerHelper($this);
+
+        $this->helper = $this->objectManagerHelper->getObject(
+            HelperData::class,
+            [
+                'context' => $this->contextMock
+            ]
+        );
+    }
+
+    /**
+     * test decodeTrackingHash() with data provider below
+     *
+     * @param string $hash
+     * @param string $urlDecodeResult
+     * @param array $expected
+     * @dataProvider decodeTrackingHashDataProvider
+     */
+    public function testDecodeTrackingHash($hash, $urlDecodeResult, $expected)
+    {
+        $this->urlDecoderMock->expects($this->any())->method('decode')
+            ->with($hash)
+            ->willReturn($urlDecodeResult);
+        $this->assertEquals($expected, $this->helper->decodeTrackingHash($hash));
+    }
+
+    /**
+     * Dataset to test getData()
+     *
+     * @return array
+     */
+    public function decodeTrackingHashDataProvider()
+    {
+        return [
+            'Test with hash key is allowed' => [
+                strtr(base64_encode('order_id:1:protected_code'), '+/=', '-_,'),
+                'order_id:1:protected_code',
+                [
+                    'key' => 'order_id',
+                    'id' => 1,
+                    'hash' => 'protected_code'
+                ]
+            ],
+            'Test with hash key is not allowed' => [
+                strtr(base64_encode('invoice_id:1:protected_code'), '+/=', '-_,'),
+                'invoice_id:1:protected_code',
+                []
+            ]
+        ];
+    }
+}