Yosymfony\Spress\Core\DataSource\Item::setContent PHP Method

    public function setContent($content, $snapshotName)
    {
        $this->snapshot[$snapshotName] = $content;
        $this->snapshot[self::SNAPSHOT_LAST] = $content;
    }

 public function testMultipleSnapshotOfContent()
 {
     $item = new Item('Raw content', 'index.html', []);
     $this->assertEquals('Raw content', $item->getContent(Item::SNAPSHOT_RAW));
     $item->setContent('After convert content', Item::SNAPSHOT_AFTER_CONVERT);
     $this->assertEquals('After convert content', $item->getContent());
     $this->assertEquals('After convert content', $item->getContent(Item::SNAPSHOT_AFTER_CONVERT));
     $this->assertEquals('Raw content', $item->getContent(Item::SNAPSHOT_RAW));
 }