Nothing
test_that("stashing works", {
stash_filename("x")
dont_use_here(silent = TRUE)
target_dir <- get_stash_dir()
expect_error(stash(NULL, NULL), "`var` cannot be NULL")
expect_error(stash("a", NULL), "`code` cannot be NULL")
clear_stash()
expect_null(stash("a", {
a <- 1
}))
expect_true(file.exists(file.path(target_dir, "a.qs")))
expect_true(file.exists(file.path(target_dir, "a.hash")))
file_time <- function(path) {
file.info(path)$mtime
}
old_qs_time <- file_time(file.path(target_dir, "a.qs"))
old_hash_time <- file_time(file.path(target_dir, "a.hash"))
Sys.sleep(1.5)
expect_null(stash("a", {
a <- 1
}))
expect_equal(a, 1)
expect_equal(file_time(file.path(target_dir, "a.qs")), old_qs_time)
expect_equal(file_time(file.path(target_dir, "a.hash")), old_hash_time)
expect_null(stash("a", {
a <- 2
}))
expect_equal(a, 2)
expect_false(file_time(file.path(target_dir, "a.qs")) == old_qs_time)
expect_false(file_time(file.path(target_dir, "a.hash")) == old_hash_time)
clear_stash()
assign("b", 1, envir = .GlobalEnv)
expect_null(stash("a", depends_on = "b", {
a <- b + 1
}))
expect_equal(a, 2)
expect_true(file.exists(file.path(target_dir, "a.qs")))
expect_true(file.exists(file.path(target_dir, "a.hash")))
expect_false(file.exists(file.path(target_dir, "b.qs")))
expect_false(file.exists(file.path(target_dir, "b.hash")))
old_qs_time <- file_time(file.path(target_dir, "a.qs"))
old_hash_time <- file_time(file.path(target_dir, "a.hash"))
Sys.sleep(1.5)
expect_null(stash("a", depends_on = "b", {
a <- b + 1
}))
expect_equal(a, 2)
expect_equal(file_time(file.path(target_dir, "a.qs")), old_qs_time)
expect_equal(file_time(file.path(target_dir, "a.hash")), old_hash_time)
assign("b", 2, envir = .GlobalEnv)
expect_null(stash("a", depends_on = "b", {
a <- b + 1
}))
expect_equal(a, 3)
expect_false(file_time(file.path(target_dir, "a.qs")) == old_qs_time)
expect_false(file_time(file.path(target_dir, "a.hash")) == old_hash_time)
# Clean-up
clear_stash()
rm(list = c("a", "b"), envir = .GlobalEnv)
if (dir.exists(target_dir)) unlink(target_dir, recursive = TRUE)
})
test_that("stashing works", {
stash_filename("x")
dont_use_here(silent = TRUE)
x <- stash("x",
{
1
},
functional = TRUE
)
expect_equal(x, 1)
x <- stash("x",
{
1
},
functional = TRUE
)
expect_equal(x, 1)
target_dir <- get_stash_dir()
expect_true(file.exists(file.path(target_dir, "x.qs")))
expect_true(file.exists(file.path(target_dir, "x.hash")))
# Clean-up
clear_stash()
# rm(list = c("x"), envir = .GlobalEnv) # nolint
if (dir.exists(target_dir)) unlink(target_dir, recursive = TRUE)
})
# nolint start
# test_that("Can stash functions as dependencies", {
# target_dir <- ".mustashe"
#
# fxn <- function(x) {
# x ** 2
# }
#
# print(digest(fxn))
# print(digest(fxn))
# a <- fxn(2)
# print(digest(fxn))
# a <- fxn(2)
# print(digest(fxn))
# a <- fxn(4)
# print(digest(fxn))
#
# expect_message(
# stash("a", depends_on = "fxn",{
# a <- fxn(10)
# }),
# "Stashing object."
# )
#
# expect_true(a == 100)
#
# expect_message(
# stash("a", depends_on = "fxn",{
# a <- fxn(10)
# }),
# "Loading stashed object."
# )
#
# fxn <- function(x) {
# x + 2
# }
#
# expect_message(
# stash("a", depends_on = "fxn",{
# a <- fxn(10)
# }),
# "Updating stash."
# )
#
# expect_true(a == 12)
#
# expect_message(
# stash("a", depends_on = "fxn",{
# a <- fxn(10)
# }),
# "Loading stashed object."
# )
#
# expect_true(a == 12)
#
# expect_message(
# stash("a", depends_on = "fxn",{
# a <- fxn(20)
# }),
# "Updating stash."
# )
#
# expect_true(a == 22)
#
# # Clean-up
# clear_stash()
# rm(list = c("a", "fxn"), envir = .GlobalEnv)
# if (dir.exists(target_dir)) unlink(target_dir, recursive = TRUE)
#
# })
# nolint end
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