Nothing
runggplot2InternalsTests <- function(ggplot2Version) {
context <- paste("ggplot2 internals under ggplot2 version", ggplot2Version)
context(context)
test_that("ggExtra's accession of ggplot2 title grobs works" , {
titleP <- function(title) {
basicScatP() + title
}
titleList <- list(
noSub = ggplot2::ggtitle("hi"),
sub = ggplot2::ggtitle("there", subtitle = "friend")
)
expect_true({
gTest <- vapply(
titleList,
function(x) length(ggExtra:::getTitleGrobs(titleP(x))) == 2,
logical(1)
)
all(gTest)
})
expect_true({
gTest <- vapply(
titleList,
function(x) !is.null(ggplot2::ggplot_build(titleP(x))$plot$labels$title),
logical(1)
)
all(gTest)
})
expect_true({
is.null(ggplot2::ggplot_build(titleP(ggplot2::theme()))$plot$labels$title)
})
})
test_that("ggplot2 models scatter plot data as expected" , {
scatPbuilt <- ggplot2::ggplot_build(basicScatP())
scatDF <- scatPbuilt[["data"]][[1]]
expect_true({
"x" %in% colnames(scatDF) && "y" %in% colnames(scatDF)
})
})
test_that("ggplot2 uses positive integers for groups and -1 for no groups" , {
p1 <- ggplot2::ggplot(
mtcars, ggplot2::aes(x = wt, y = mpg, colour = factor(gear))
) + ggplot2::geom_point()
bp <- ggplot2::ggplot_build(p1)
grp_vals <- unique(bp$data[[1]]$group)
expect_true(all(grp_vals[order(grp_vals)] == c(1, 2, 3)))
bp2 <- ggplot2::ggplot_build(basicScatP())
grp_vals2 <- unique(bp2$data[[1]]$group)
expect_true(grp_vals2 == -1L)
})
}
# Function to run all tests against ggplot2 internals under all ggplot2 versions
runInternalTestsApply <- function(ggplot2Versions) {
sapply(ggplot2Versions, function(ggplot2Version) {
withVersions(ggplot2 = ggplot2Version, code = {
runggplot2InternalsTests(ggplot2Version)
})
})
}
if (shouldTest()) {
runInternalTestsApply(ggplot2Versions)
}
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