class MigrateImageCacheTest

class MigrateImageCacheTest extends MigrateDrupal6TestBase {
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->installConfig([
            'image',
        ]);
    }
    
    /**
     * Tests that an exception is thrown when ImageCache is not installed.
     */
    public function testMissingTable() {
        $this->sourceDatabase
            ->update('system')
            ->fields([
            'status' => 0,
        ])
            ->condition('name', 'imagecache')
            ->condition('type', 'module')
            ->execute();
        $this->expectException(RequirementsException::class);
        $this->getMigration('d6_imagecache_presets')
            ->getSourcePlugin()
            ->checkRequirements();
    }
    
    /**
     * Test basic passing migrations.
     */
    public function testPassingMigration() {
        $this->executeMigration('d6_imagecache_presets');
        
        /** @var \Drupal\image\Entity\ImageStyle $style */
        $style = ImageStyle::load('big_blue_cheese');
        // Check basic Style info.
        $this->assertIdentical('big_blue_cheese', $style->get('name'), 'ImageStyle name set correctly');
        $this->assertIdentical('big_blue_cheese', $style->get('label'), 'ImageStyle label set correctly');
        // Test effects.
        $effects = $style->getEffects();
        // Check crop effect.
        $this->assertImageEffect($effects, 'image_crop', [
            'width' => 555,
            'height' => 5555,
            'anchor' => 'center-center',
        ]);
        // Check resize effect.
        $this->assertImageEffect($effects, 'image_resize', [
            'width' => 55,
            'height' => 55,
        ]);
        // Check rotate effect.
        $this->assertImageEffect($effects, 'image_rotate', [
            'degrees' => 55,
            'random' => FALSE,
            'bgcolor' => '',
        ]);
    }
    
    /**
     * Test that missing actions causes failures.
     */
    public function testMissingEffectPlugin() {
        Database::getConnection('default', 'migrate')->insert("imagecache_action")
            ->fields([
            'presetid',
            'weight',
            'module',
            'action',
            'data',
        ])
            ->values([
            'presetid' => '1',
            'weight' => '0',
            'module' => 'imagecache',
            'action' => 'imagecache_deprecated_scale',
            'data' => 'a:3:{s:3:"fit";s:7:"outside";s:5:"width";s:3:"200";s:6:"height";s:3:"200";}',
        ])
            ->execute();
        $this->startCollectingMessages();
        $this->executeMigration('d6_imagecache_presets');
        $messages = iterator_to_array($this->migration
            ->getIdMap()
            ->getMessages());
        $this->assertCount(1, $messages);
        $this->assertStringContainsString('The "image_deprecated_scale" plugin does not exist.', $messages[0]->message);
        $this->assertEqual($messages[0]->level, MigrationInterface::MESSAGE_ERROR);
    }
    
    /**
     * Test that missing action's causes failures.
     */
    public function testInvalidCropValues() {
        Database::getConnection('default', 'migrate')->insert("imagecache_action")
            ->fields([
            'presetid',
            'weight',
            'module',
            'action',
            'data',
        ])
            ->values([
            'presetid' => '1',
            'weight' => '0',
            'module' => 'imagecache',
            'action' => 'imagecache_crop',
            'data' => serialize([
                'xoffset' => '10',
                'yoffset' => '10',
            ]),
        ])
            ->execute();
        $this->startCollectingMessages();
        $this->executeMigration('d6_imagecache_presets');
        $this->assertEqual([
            'error' => [
                'The Drupal 8 image crop effect does not support numeric values for x and y offsets. Use keywords to set crop effect offsets instead.',
            ],
        ], $this->migrateMessages);
    }
    
    /**
     * Assert that a given image effect is migrated.
     *
     * @param array $collection
     *   Collection of effects
     * @param $id
     *   Id that should exist in the collection.
     * @param $config
     *   Expected configuration for the collection.
     *
     * @return bool
     */
    protected function assertImageEffect($collection, $id, $config) {
        
        /** @var \Drupal\image\ConfigurableImageEffectBase $effect */
        foreach ($collection as $key => $effect) {
            $effect_config = $effect->getConfiguration();
            if ($effect_config['id'] == $id && $effect_config['data'] == $config) {
                // We found this effect so succeed and return.
                return TRUE;
            }
        }
        // The loop did not find the effect so we it was not imported correctly.
        return $this->fail('Effect ' . $id . ' did not import correctly');
    }

}