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Draft for testing revdep checks: https://github.com/hadley/devtools/issues/1302
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#library(devtools) | |
devtools::load_all() | |
#' # Testing revdep_check() | |
#' | |
#' Functions: | |
create_deps_tested <- function() { | |
deps <- list( | |
testee = character(), | |
revdep1 = c("testee", "revdep1.dep"), | |
revdep1.dep = c("revdep1.dep.dep") | |
) | |
pkgs <- pkgs_from_deps(deps) | |
combs <- combinat::permn(length(pkgs)) | |
combs_tested <- sample(combs, N_TESTED) | |
combs_tested_recode <- lapply(combs_tested, function(x) setNames(paste0("p", x, ".", pkgs), pkgs)) | |
deps_tested <- lapply( | |
combs_tested_recode, | |
function(recode) { | |
deps_recode <- deps | |
names(deps_recode) <- unname(recode[names(deps_recode)]) | |
deps_recode <- lapply(deps_recode, function(x) unname(recode[x])) | |
deps_recode | |
} | |
) | |
deps_tested | |
} | |
pkgs_from_deps <- function(deps) { | |
unique(c(names(deps), unlist(deps))) | |
} | |
create_pkgs <- function(root, deps) { | |
pkgs <- pkgs_from_deps(deps) | |
lapply( | |
setNames(nm = pkgs), | |
function(pkg) { | |
path <- file.path(root, pkg) | |
create(path, rstudio = FALSE, quiet = TRUE) | |
add_imports(path, deps[[pkg]]) | |
path | |
} | |
) | |
} | |
add_imports <- function(path, imports) { | |
d <- desc::description$new(path) | |
if (length(imports) > 0) { | |
d$set_dep(imports) | |
d$write() | |
} | |
d | |
} | |
initialize_scenario <- function(current_dep) { | |
current_revdep_dir <- file.path(revdep_dir, current_dep) | |
unlink(current_revdep_dir, force = TRUE) | |
dir.create(current_revdep_dir) | |
deps <- deps_tested[[current_dep]] | |
pkg_paths <- create_pkgs(current_revdep_dir, deps) | |
built_paths <- vapply(pkg_paths, devtools::build, quiet = TRUE, character(1)) | |
repo_dir <- file.path(current_revdep_dir, "repo") | |
dir.create(repo_dir) | |
contrib_dir <- file.path(repo_dir, "src", "contrib") | |
dir.create(contrib_dir, recursive = TRUE) | |
file.copy(built_paths, contrib_dir) | |
tools::write_PACKAGES(contrib_dir) | |
lib_dir <- file.path(current_revdep_dir, "lib") | |
dir.create(lib_dir) | |
tibble::lst( | |
id = current_dep, | |
deps = deps_tested[[current_dep]], | |
revdep_pkg = pkg_paths[[1]], | |
repo_dir, | |
contrib_dir, | |
lib_dir | |
) | |
} | |
test_scenario <- function(scenario) { | |
rule("Testing scenario ", scenario$id, pad = "*") | |
rule(format_deps(scenario$deps), pad = "*") | |
testthat::with_mock( | |
`devtools::cran_packages` = function() available.packages(contriburl = file_url(scenario$contrib_dir)), | |
`devtools::cran_mirror` = function() file_url(scenario$repo_dir), | |
withr::with_options( | |
list(repos = paste0("file://", normalizePath(scenario$repo_dir, winslash = "/"))), | |
{ | |
revdep_check_reset(scenario$revdep_pkg) | |
revdep_check(scenario$revdep_pkg, libpath = normalizePath(scenario$lib_dir)) | |
revdep_check_save_summary(scenario$revdep_pkg) | |
} | |
) | |
) | |
rule("Finished testing scenario ", scenario$id, pad = "*") | |
message() | |
} | |
format_deps <- function(deps) { | |
deps <- deps[vapply(deps, length, integer(1)) != 0] | |
dep1 <- paste0("(", vapply(deps, paste, collapse = ", ", character(1)), ")") | |
paste0(names(deps), " -> ", dep1, collapse = "; ") | |
} | |
file_url <- function(path) { | |
paste0("file://", normalizePath(path, winslash = "/")) | |
} | |
#' For reproducibility: | |
set.seed(123) | |
#' Creating three scenarios: Same dependency structure, different ordering | |
#' of package names. | |
N_TESTED <- 3 | |
#' Clean start: | |
revdep_dir <- "test-revdep" | |
unlink(revdep_dir, recursive = TRUE, force = TRUE) | |
dir.create(revdep_dir) | |
#' Create dependency structures with mingled ordering: | |
deps_tested <- create_deps_tested() | |
#' Create scenarios: | |
#' - Package sources | |
#' - Built packages | |
#' - CRAN-like repository | |
#' - Revdep library | |
scenarios <- lapply(seq_along(deps_tested), initialize_scenario) | |
#' Test all scenarios: | |
invisible(lapply(scenarios, test_scenario)) |
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