tests/testthat/test-compile-chapter.R

In LTLA/rebook: Re-using Content in Bioconductor Books

# This tests the compilation machinery works as expected.
# library(testthat); library(rebook); source("test-compile-chapter.R")

example <- system.file("example", "test.Rmd", package="rebook")
tmp <- tempfile()
tmprmd <- paste0(tmp, ".Rmd")
file.copy(example, tmprmd)

test_that("compileChapter works as expected", {
    godzilla <- NULL # got generated by previous reports.

    compileChapter(tmprmd)
    expect_true(file.exists(paste0(tmp, ".html")))
    expect_true(file.exists(paste0(tmp, "_cache/html")))

    # Does not contaminate the global namespace.
    expect_true(is.null(godzilla))
})

fail <- tempfile(fileext=".Rmd")
write(file=fail, "```{r}
a + b
```")

test_that("compileChapter throws errors as expected", {
    expect_error(compileChapter(fail), "failed to compile") 
})