ACP2E-3324: added unit test

Author: alzota

app/code/Magento/Theme/Test/Unit/Model/Config/PathValidatorTest.php

@@ -0,0 +1,137 @@
+<?php
+/**
+ * Copyright 2024 Adobe
+ * All Rights Reserved.
+ */
+declare(strict_types=1);
+
+namespace Magento\Theme\Test\Unit\Model\Config;
+
+use Magento\Framework\DataObject;
+use Magento\Theme\Api\Data\DesignConfigDataInterface;
+use Magento\Theme\Api\Data\DesignConfigInterface;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+use Magento\Theme\Model\Config\PathValidator;
+use Magento\Config\Model\Config\Structure;
+use Magento\Theme\Model\DesignConfigRepository;
+use Magento\Framework\Exception\ValidatorException;
+
+class PathValidatorTest extends TestCase
+{
+    /**
+     * @var Structure|MockObject
+     */
+    private $structure;
+
+    /**
+     * @var DesignConfigRepository|MockObject
+     */
+    private $designConfigRepository;
+
+    /**
+     * @var PathValidator
+     */
+    private $pathValidator;
+
+    protected function setUp(): void
+    {
+        $this->structure = $this->createMock(Structure::class);
+        $this->designConfigRepository = $this->createMock(DesignConfigRepository::class);
+
+        $this->pathValidator = new PathValidator(
+            $this->structure,
+            $this->designConfigRepository
+        );
+    }
+
+    public function testValidateNonDesignPath()
+    {
+        $path = 'non_design/path';
+        $this->structure->expects($this->once())
+            ->method('getElementByConfigPath')
+            ->with($path)
+            ->willReturn(null);
+
+        $this->structure->expects($this->once())
+            ->method('getFieldPaths')
+            ->willReturn(['non_design/path' => 'non_design/path']);
+
+        $result = $this->pathValidator->validate($path);
+        $this->assertTrue($result);
+    }
+
+    public function testValidateDesignPath()
+    {
+        $path = 'design/path';
+        $element = $this->createMock(Structure\Element\Field::class);
+        $designConfig = $this->createMock(DesignConfigInterface::class);
+        $extensionAttributes = $this->createMock(DataObject::class);
+        $designConfigData = $this->createMock(DesignConfigDataInterface::class);
+
+        $element->expects($this->exactly(2))
+            ->method('getConfigPath')
+            ->willReturn($path);
+        $this->structure->expects($this->once())
+            ->method('getElementByConfigPath')
+            ->with($path)
+            ->willReturn($element);
+        $this->structure->expects($this->once())
+            ->method('getFieldPaths')
+            ->willReturn([]);
+        $this->designConfigRepository->expects($this->once())
+            ->method('getByScope')
+            ->with('default', null)
+            ->willReturn($designConfig);
+        $designConfig->expects($this->once())
+            ->method('getExtensionAttributes')
+            ->willReturn($extensionAttributes);
+        $extensionAttributes->expects($this->once())
+            ->method('__call')
+            ->with(
+                $this->equalTo('getDesignConfigData')
+            )->willReturn([$designConfigData]);
+        $designConfigData->expects($this->exactly(2))
+            ->method('getFieldConfig')
+            ->willReturn(['path' => $path]);
+
+        $result = $this->pathValidator->validate($path);
+        $this->assertTrue($result);
+    }
+
+    public function testValidateDesignPathThrowsException()
+    {
+        $this->expectException(ValidatorException::class);
+        $this->expectExceptionMessage('The "design/invalid_path" path doesn\'t exist. Verify and try again.');
+
+        $path = 'design/invalid_path';
+        $element = $this->createMock(Structure\Element\Field::class);
+        $designConfig = $this->createMock(DesignConfigInterface::class);
+        $extensionAttributes = $this->createMock(DataObject::class);
+
+        $element->expects($this->exactly(2))
+            ->method('getConfigPath')
+            ->willReturn($path);
+        $this->structure->expects($this->once())
+            ->method('getElementByConfigPath')
+            ->with($path)
+            ->willReturn($element);
+        $this->structure->expects($this->once())
+            ->method('getFieldPaths')
+            ->willReturn([]);
+        $this->designConfigRepository->expects($this->once())
+            ->method('getByScope')
+            ->with('default', null)
+            ->willReturn($designConfig);
+        $designConfig->expects($this->once())
+            ->method('getExtensionAttributes')
+            ->willReturn($extensionAttributes);
+        $extensionAttributes->expects($this->once())
+            ->method('__call')
+            ->with(
+                $this->equalTo('getDesignConfigData')
+            )->willReturn([]);
+
+        $this->pathValidator->validate($path);
+    }
+}