Nothing
require(testthat)
require(ggplot2)
require(lemon)
expect_lemon_plot <- function(object) expect_s3_class(object, 'lemon_plot')
test_that('ggplot2 does not break lemon_plot by altering class', {
p <- ggplot(data.frame(a=1:2, b=runif(2), c=letters[1:2]), aes(a, b, colour=c)) + geom_blank()
l <- as.lemon_plot(p)
expect_lemon_plot(l)
expect_error(l + 1, regexp = "Can't add `1`")
expect_lemon_plot(l + NULL)
expect_lemon_plot(l %+% data.frame(a=3, b=0, c='a'))
expect_lemon_plot(l + theme_bw())
expect_lemon_plot(l + scale_y_continuous())
expect_lemon_plot(l + labs(title='Lemons!'))
expect_lemon_plot(l + guides(colour='legend'))
# ggplot_add.uneval ???
expect_lemon_plot(l + coord_flip())
expect_lemon_plot(l + facet_wrap(~c))
expect_lemon_plot(l + list(data=data.frame(a=3, b=0, c='a'), scale_x_continuous()))
expect_lemon_plot(l + geom_point())
})
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.