test_that("stat_boxplot drops missing rows with a warning", {
p1 <- ggplot(PlantGrowth, aes(x = group, y = weight)) +
geom_boxplot(position = "dodge") +
scale_x_discrete(limits = c("trt1", "ctrl"))
p2 <- ggplot(PlantGrowth, aes(x = group, y = weight)) +
geom_boxplot(position = "dodge2") +
scale_x_discrete(limits = c("trt1", "ctrl"))
expect_snapshot_warning(ggplot_build(p1))
expect_snapshot_warning(ggplot_build(p2))
})
test_that("stat_boxplot can suppress warning about missing rows", {
p1 <- ggplot(PlantGrowth, aes(x = group, y = weight)) +
geom_boxplot(position = "dodge", na.rm = TRUE) +
scale_x_discrete(limits = c("trt1", "ctrl"))
expect_silent(ggplot_build(p1))
})
test_that("stat_boxplot errors with missing x/y aesthetics", {
p <- ggplot(PlantGrowth) +
geom_boxplot()
expect_snapshot_error(ggplot_build(p))
})
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