From 44554ffe439547d72cc632dca42f5c6c1d1c99a4 Mon Sep 17 00:00:00 2001
From: Achim Fritz <achim.fritz@b13.de>
Date: Wed, 1 Feb 2023 12:41:21 +0100
Subject: [PATCH] [BUGFIX] cropVariants of sources

Fixes: #37
---
 .github/workflows/ci.yml                      |   3 +
 Classes/ViewHelpers/ImageViewHelper.php       |   8 +-
 .../Unit/ViewHelpers/ImageViewHelperTest.php  | 113 ++++++++++++++++++
 3 files changed, 120 insertions(+), 4 deletions(-)
 create mode 100644 Tests/Unit/ViewHelpers/ImageViewHelperTest.php

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c1e5c19..ac4b1ff 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -43,5 +43,8 @@ jobs:
       - name: phpstan
         run: Build/Scripts/runTests.sh -p ${{ matrix.php }} -s phpstan
 
+      - name: Unit Tests
+        run: Build/Scripts/runTests.sh -p ${{ matrix.php }} -s unit
+
       - name: Functional Tests with mariadb
         run: Build/Scripts/runTests.sh -p ${{ matrix.php }} -t ${{ matrix.TYPO3 }} -s functional
diff --git a/Classes/ViewHelpers/ImageViewHelper.php b/Classes/ViewHelpers/ImageViewHelper.php
index 54b6769..9132279 100644
--- a/Classes/ViewHelpers/ImageViewHelper.php
+++ b/Classes/ViewHelpers/ImageViewHelper.php
@@ -240,7 +240,7 @@ protected function buildSingleTag(string $tagName, array $configuration): TagBui
 
                 if (!$tag->hasAttribute('data-focus-area')) {
                     $cropVariantCollection = $this->getCropVariantCollection();
-                    $focusArea = $cropVariantCollection->getFocusArea($this->getCropVariant());
+                    $focusArea = $cropVariantCollection->getFocusArea($this->getImageCropVariant());
                     if (!$focusArea->isEmpty()) {
                         $tag->addAttribute('data-focus-area', (string)$focusArea->makeAbsoluteBasedOnFile($this->image));
                     }
@@ -405,7 +405,7 @@ protected function wrapWithPictureElement(array $output): array
     protected function getProcessingInstructions(array $configuration): array
     {
         $cropVariantCollection = $this->getCropVariantCollection();
-        $cropVariant = $this->getCropVariant();
+        $cropVariant = $configuration['cropVariant'] ?? $this->getImageCropVariant();
         $cropArea = $cropVariantCollection->getCropArea($cropVariant);
         $processingInstructions = [
             'width' => $configuration['width'],
@@ -422,9 +422,9 @@ protected function getProcessingInstructions(array $configuration): array
         return $processingInstructions;
     }
 
-    protected function getCropVariant(): string
+    protected function getImageCropVariant(): string
     {
-        return $this->arguments['cropVariant'] ?: 'default';
+        return $this->arguments['cropVariant'] ?? 'default';
     }
 
     protected function getCropVariantCollection(): CropVariantCollection
diff --git a/Tests/Unit/ViewHelpers/ImageViewHelperTest.php b/Tests/Unit/ViewHelpers/ImageViewHelperTest.php
new file mode 100644
index 0000000..66119cb
--- /dev/null
+++ b/Tests/Unit/ViewHelpers/ImageViewHelperTest.php
@@ -0,0 +1,113 @@
+<?php
+
+declare(strict_types=1);
+
+namespace B13\Picture\Tests\Unit\ViewHelpers;
+
+/*
+ * This file is part of TYPO3 CMS-based extension "picture" by b13.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ */
+
+use B13\Picture\ViewHelpers\ImageViewHelper;
+use TYPO3\CMS\Core\Imaging\ImageManipulation\CropVariantCollection;
+use TYPO3\CMS\Core\Resource\File;
+use TYPO3\TestingFramework\Core\Unit\UnitTestCase;
+
+class ImageViewHelperTest extends UnitTestCase
+{
+    /**
+     * @test
+     */
+    public function getProcessingInstructionsUseCropVariantFromConfigurationIfSet(): void
+    {
+        $imageViewHelper = $this->getAccessibleMock(
+            ImageViewHelper::class,
+            ['getCropVariantCollection', 'getImageCropVariant'],
+            [],
+            '',
+            false
+        );
+        $image = $this->getMockBuilder(File::class)->disableOriginalConstructor(true)->getMock();
+        $cropVariantCollection = $this->getMockBuilder(CropVariantCollection::class)->disableOriginalConstructor(true)->getMock();
+        $cropVariantCollection->expects(self::once())->method('getCropArea')->with('foo');
+        $imageViewHelper->expects(self::once())->method('getCropVariantCollection')->willReturn($cropVariantCollection);
+        $imageViewHelper->expects(self::never())->method('getImageCropVariant');
+        $imageViewHelper->_set('image', $image);
+        $configuration = [
+            'width' => null,
+            'height' => null,
+            'minWidth' => null,
+            'minHeight' => null,
+            'maxWidth' => null,
+            'maxHeight' => null,
+            'cropVariant' => 'foo',
+        ];
+        $imageViewHelper->_call('getProcessingInstructions', $configuration);
+    }
+
+    /**
+     * @test
+     */
+    public function getProcessingInstructionsCallsGetImageCropVariantIfNotConfigured(): void
+    {
+        $imageViewHelper = $this->getAccessibleMock(
+            ImageViewHelper::class,
+            ['getCropVariantCollection', 'getImageCropVariant'],
+            [],
+            '',
+            false
+        );
+        $image = $this->getMockBuilder(File::class)->disableOriginalConstructor(true)->getMock();
+        $cropVariantCollection = $this->getMockBuilder(CropVariantCollection::class)->disableOriginalConstructor(true)->getMock();
+        $cropVariantCollection->expects(self::once())->method('getCropArea')->with('bar');
+        $imageViewHelper->expects(self::once())->method('getCropVariantCollection')->willReturn($cropVariantCollection);
+        $imageViewHelper->expects(self::once())->method('getImageCropVariant')->willReturn('bar');
+        $imageViewHelper->_set('image', $image);
+        $configuration = [
+            'width' => null,
+            'height' => null,
+            'minWidth' => null,
+            'minHeight' => null,
+            'maxWidth' => null,
+            'maxHeight' => null,
+        ];
+        $imageViewHelper->_call('getProcessingInstructions', $configuration);
+    }
+
+    /**
+     * @test
+     */
+    public function getImageCropVariantReturnsCropVariantFromArguments(): void
+    {
+        $imageViewHelper = $this->getAccessibleMock(
+            ImageViewHelper::class,
+            ['foo'],
+            [],
+            '',
+            false
+        );
+        $imageViewHelper->_set('arguments', ['cropVariant' => 'bar']);
+        $cropVariant = $imageViewHelper->_call('getImageCropVariant');
+        self::assertSame('bar', $cropVariant);
+    }
+
+    /**
+     * @test
+     */
+    public function getImageCropVariantReturnsDefaultIfNotSet(): void
+    {
+        $imageViewHelper = $this->getAccessibleMock(
+            ImageViewHelper::class,
+            ['foo'],
+            [],
+            '',
+            false
+        );
+        $cropVariant = $imageViewHelper->_call('getImageCropVariant');
+        self::assertSame('default', $cropVariant);
+    }
+}