/** * @covers \Magento\Framework\View\Design\Theme\Image::getPreviewImageUrl */ public function testGetDefaultPreviewImageUrl() { $this->_themeMock->setData($this->_getThemeSampleData()); $this->_themeMock->setData('preview_image', null); $this->assertEquals('http://localhost/media_path/test_default_preview.png', $this->_model->getPreviewImageUrl()); }