ENGCOM-6468: [Catalog] Cover Component/FilterFactory by Unit Test #26042

Author: VladimirZaets

app/code/Magento/Catalog/Test/Unit/Ui/Component/FilterFactoryTest.php

@@ -0,0 +1,103 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Catalog\Test\Unit\Ui\Component;
+
+use Magento\Catalog\Api\Data\ProductAttributeInterface;
+use Magento\Catalog\Ui\Component\FilterFactory;
+use Magento\Eav\Model\Entity\Attribute\Source\SourceInterface;
+use Magento\Framework\TestFramework\Unit\Helper\ObjectManager;
+use Magento\Framework\View\Element\UiComponent\ContextInterface;
+use Magento\Framework\View\Element\UiComponentFactory;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+
+class FilterFactoryTest extends TestCase
+{
+    /**
+     * Stub attribute
+     */
+    private const STUB_ATTRIBUTE = [
+        'attribute_code' => 'color',
+        'default_frontend_label' => 'Color',
+        'uses_source' => 'Color',
+        'source_model' => 'getSourceModel value',
+        'frontend_input' => 'select',
+        'all_options' => [
+            [
+                'value' => 1,
+                'label' => 'Black',
+            ],
+            [
+                'value' => 2,
+                'label' => 'White',
+            ]
+        ]
+    ];
+
+    /**
+     * @var FilterFactory
+     */
+    private $filterFactory;
+
+    /**
+     * @var UiComponentFactory|MockObject
+     */
+    private $componentFactoryMock;
+
+    /**
+     * Setup environment for test
+     */
+    protected function setUp()
+    {
+        $objectManager = new ObjectManager($this);
+
+        $this->componentFactoryMock = $this->createMock(UiComponentFactory::class);
+
+        $this->filterFactory = $objectManager->getObject(
+            FilterFactory::class,
+            [
+                'componentFactory' => $this->componentFactoryMock
+            ]
+        );
+    }
+
+    /**
+     * Test create() with use source attribute
+     */
+    public function testCreateWithUseSourceAttribute()
+    {
+        $contextMock = $this->createMock(ContextInterface::class);
+        $attributeMock = $this->getMockBuilder(ProductAttributeInterface::class)
+            ->setMethods(['usesSource', 'getSource'])
+            ->getMockForAbstractClass();
+        $attributeMock->method('getAttributeCode')->willReturn(self::STUB_ATTRIBUTE['attribute_code']);
+        $attributeMock->method('getDefaultFrontendLabel')
+            ->willReturn(self::STUB_ATTRIBUTE['default_frontend_label']);
+        $attributeMock->method('usesSource')->willReturn(self::STUB_ATTRIBUTE['uses_source']);
+        $attributeMock->method('getSourceModel')->willReturn(self::STUB_ATTRIBUTE['source_model']);
+        $attributeMock->method('getFrontendInput')->willReturn(self::STUB_ATTRIBUTE['frontend_input']);
+        $sourceMock = $this->createMock(SourceInterface::class);
+        $attributeMock->method('getSource')->willReturn($sourceMock);
+        $sourceMock->method('getAllOptions')->willReturn(self::STUB_ATTRIBUTE['all_options']);
+        $this->componentFactoryMock->expects($this->once())
+            ->method('create')
+            ->with(self::STUB_ATTRIBUTE['attribute_code'], 'filterSelect', [
+                'data' => [
+                    'config' => [
+                        'options' => self::STUB_ATTRIBUTE['all_options'],
+                        'caption' => (string)__('Select...'),
+                        'dataScope' => self::STUB_ATTRIBUTE['attribute_code'],
+                        'label' => self::STUB_ATTRIBUTE['default_frontend_label'],
+                    ]
+                ],
+                'context' => $contextMock
+            ]);
+
+        $this->filterFactory->create($attributeMock, $contextMock);
+    }
+}