gg <- ggplot(mtcars, aes(factor(cyl), mpg)) + geom_violin()
test_that("basic geom_violin works", {
L <- expect_doppelganger_built(gg, "violin")
expect_equivalent(length(L$data), 1)
tr <- L$data[[1]]
expect_identical(tr$type, "scatter")
expect_true(tr$fill == "toself")
expect_false(tr$showlegend)
expect_true(all(grepl("density", tr$text[!is.na(tr$text)])))
expect_true(tr$hoverinfo == "text")
})
gg2 <- ggplot(mtcars, aes(factor(cyl), mpg, fill = factor(cyl))) + geom_violin()
test_that("geom_violin with fill aes works", {
L <- expect_doppelganger_built(gg2, "violin-aes")
expect_equivalent(length(L$data), 3)
expect_true(L$layout$showlegend)
expect_equivalent(sum(unlist(lapply(L$data, "[[", "showlegend"))), 3)
})
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