assertEquals('Password was wrong.', Text::get('FEEDBACK_PASSWORD_WRONG')); } /** * When argument is null, should return null */ public function testGetWithNullKey() { $this->assertEquals(null, Text::get(null)); } /** * When key does not exist in text data file, should return null */ public function testGetWithNonExistingKey() { $this->assertEquals(null, Text::get('XXX')); } }