public function testGetEmailTemplateFile() { $locale = \Magento\Setup\Module\I18n\Locale::DEFAULT_SYSTEM_LOCALE; $params = ['area' => 'some_area', 'themeModel' => $this->getMock('Magento\\Framework\\View\\Design\\ThemeInterface', [], [], '', false, false), 'module' => 'Some_Module', 'locale' => $locale]; $file = 'Some_Module::some_file.ext'; $expected = 'path/to/some_file.ext'; $this->_emailTemplateFileResolution->expects($this->once())->method('getFile')->with($params['area'], $params['themeModel'], $locale, $file, 'Some_Module')->will($this->returnValue($expected)); $actual = $this->_model->getEmailTemplateFileName($file, $params, 'Some_Module'); $this->assertEquals($expected, $actual); }