rhino::lint_sass() # Create bad scripts and test if formatting returns the expected result test_scss_path <- fs::path("app", "styles", "bad-style.scss") cat(".my-class{color: #FFFFFF}", file = test_scss_path) testthat::expect_error(rhino::lint_sass()) rhino::lint_sass(fix = TRUE) testthat::expect_identical( readLines(test_scss_path), ".my-class { color: #fff; }" ) # Clean up file.remove(test_scss_path)