test_that("`plot.see_check_outliers()` works", { mt1 <- mtcars[, c(1, 3, 4)] mt2 <- rbind( mt1, data.frame( mpg = c(37, 40), disp = c(300, 400), hp = c(110, 120) ) ) model <<- stats::lm(disp ~ mpg + hp, data = mt2) expect_s3_class( plot(performance::check_outliers(model, verbose = FALSE)), "gg" ) skip_if_not_installed("ggrepel") skip_on_os("linux") set.seed(123) vdiffr::expect_doppelganger( title = "plot.see_check_outliers works default method", fig = plot(performance::check_outliers(model, verbose = FALSE)), variant = "windows" ) set.seed(123) vdiffr::expect_doppelganger( title = "plot.see_check_outliers works bars method", fig = plot( performance::check_outliers(model, verbose = FALSE), type = "bars" ), variant = "windows" ) set.seed(123) vdiffr::expect_doppelganger( title = "plot.see_check_outliers works bars, rescaled", fig = plot( performance::check_outliers(model, verbose = FALSE), type = "bars", rescale_distance = TRUE ), variant = "windows" ) set.seed(123) vdiffr::expect_doppelganger( title = "plot.see_check_outliers works count method", fig = suppressMessages(print(plot( performance::check_outliers(model, verbose = FALSE), type = "count" ))), variant = "windows" ) set.seed(123) vdiffr::expect_doppelganger( title = "plot.see_check_outliers works scree method", fig = plot( performance::check_outliers(model, verbose = FALSE), type = "scree", verbose = FALSE ), variant = "windows" ) set.seed(123) vdiffr::expect_doppelganger( title = "plot.see_check_outliers works scree method, z-score", fig = plot( performance::check_outliers(mt2$mpg, method = "zscore"), type = "scree", verbose = FALSE ), variant = "windows" ) }) test_that("`plot.see_check_outliers()` multimethods", { data(mtcars) outliers_list <- performance::check_outliers( mtcars, method = c( "mahalanobis", "iqr", "zscore" ) ) set.seed(123) vdiffr::expect_doppelganger( title = "plot.see_check_outliers multimethods", fig = plot(outliers_list), variant = "windows" ) })