Nothing
tar_test("command$update_string()", {
command <- command_init(quote(a <- b + c))
expect_equal(command$string, "expression(a <- b + c)")
})
tar_test("command$hash", {
command <- command_init(quote(a <- b + c))
out <- command$hash
expect_true(is.character(out))
expect_equal(length(out), 1L)
expect_equal(nchar(out), 16L)
})
tar_test("command_produce_build()", {
command <- command_init(expr = quote(a <- b + c))
b <- 1L
c <- 2L
envir <- environment()
build <- command_produce_build(command, envir)
expect_silent(build_validate(build))
expect_equal(build$object, 3L)
expect_true(is.numeric(build$metrics$seconds))
})
tar_test("command$produce_build() uses seed", {
x <- command_init(expr = quote(sample.int(1e9, 1L)))
x$seed <- 0L
sample_with_seed <- function(seed) {
# Borrowed from https://github.com/r-lib/withr/blob/main/R/seed.R
# under the MIT license. See the NOTICE file
# in the targets package source.
old_seed <- .GlobalEnv[[".Random.seed"]]
set.seed(seed)
on.exit(restore_seed(old_seed))
sample.int(1e9, 1L)
}
exp0 <- sample_with_seed(0L)
for (i in seq_len(2)) {
out <- command_produce_build(x, environment())$object
expect_equal(out, exp0)
}
x$seed <- 1L
exp1 <- sample_with_seed(1L)
for (i in seq_len(2)) {
out <- command_produce_build(x, environment())$object
expect_equal(out, exp1)
}
expect_false(exp0 == exp1)
})
tar_test("command_init(deps)", {
command <- command_init(quote(a <- b + c), deps = "custom")
expect_equal(command$deps, "custom")
})
tar_test("command_init() with automatic deps", {
command <- command_init(quote(a <- b + c))
expect_true(all(c("b", "c") %in% command$deps))
expect_false("a" %in% command$deps)
})
tar_test("command_init() inspects formulas", {
command <- command_init(quote(map_dfr(data, ~do_row(.x, dataset))))
expect_true(all(c("dataset", "do_row") %in% command$deps))
expect_false("~" %in% command$deps)
})
tar_test("command_init(string)", {
command <- command_init(quote(a <- b + c), string = "custom")
expect_equal(command$string, "custom")
})
tar_test("command_validate() on a good expr", {
command <- command_init(quote(a <- b + c))
expect_silent(command_validate(command))
})
tar_test("command_validate() with an extra field", {
command <- command_init(quote(a <- b + c))
command$nope <- 123
expect_error(command_validate(command), class = "tar_condition_validate")
})
tar_test("command_validate() with empty expr field", {
command <- command_init()
command$expr <- NULL
expect_error(command_validate(command), class = "tar_condition_validate")
})
tar_test("command_validate() with bad packages field", {
command <- command_init(expr = quote(a <- b + c), packages = 123)
expect_error(command_validate(command), class = "tar_condition_validate")
})
tar_test("command validation with packages (test 2)", {
command_good <- command_init(quote(a <- b + c))
expect_silent(command_validate(command_good))
command_bad <- command_init(quote(a <- b + c), packages = 123)
expect_error(command_validate(command_bad), class = "tar_condition_validate")
expect_error(command_validate_packages(command_bad))
})
tar_test("command_validate() with bad library field", {
command <- command_init(expr = quote(a <- b + c), library = 123)
expect_error(command_validate(command), class = "tar_condition_validate")
})
tar_test("command_validate() with bad deps field", {
command <- command_init(expr = quote(a <- b + c))
command$deps <- 123L
expect_error(command_validate(command), class = "tar_condition_validate")
})
tar_test("command_validate() with bad string field", {
command <- command_new(
expr = quote(a <- b + c),
packages = character(0),
deps = character(0),
seed = 0L
)
expect_error(command_validate(command), class = "tar_condition_validate")
})
tar_test("command_validate() with bad hash field", {
command <- command_new(
expr = quote(a <- b + c),
packages = character(0),
deps = character(0),
string = "abcde",
seed = 0L
)
expect_error(command_validate(command), class = "tar_condition_validate")
})
tar_test("command_validate() with a bad seed", {
x <- command_init(expr = quote(a <- b + c))
x$seed <- "123"
expect_error(command_validate(x), class = "tar_condition_validate")
x$seed <- integer(0)
expect_error(command_validate(x), class = "tar_condition_validate")
})
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