Nothing
test_that("Private randomness works at startup", {
if (exists(".Random.seed", envir = .GlobalEnv))
rm(".Random.seed", envir = .GlobalEnv)
.globals$ownSeed <- NULL
# Just make sure this doesn't blow up
expect_error(createUniqueId(4), NA)
})
test_that("Setting process-wide seed doesn't affect private randomness", {
set.seed(0)
id1 <- createUniqueId(4)
set.seed(0)
id2 <- createUniqueId(4)
expect_false(identical(id1, id2))
})
test_that("Resetting private seed doesn't result in dupes", {
.globals$ownSeed <- NULL
id3 <- createUniqueId(4)
# Make sure we let enough time pass that reinitializing the seed is
# going to result in a different value. This is especially required
# on Windows.
Sys.sleep(1)
set.seed(0)
.globals$ownSeed <- NULL
id4 <- createUniqueId(4)
expect_false(identical(id3, id4))
})
test_that("Clearing process-wide seed doesn't affect private randomness", {
set.seed(NULL)
id5 <- createUniqueId(4)
set.seed(NULL)
id6 <- createUniqueId(4)
expect_false(identical(id5, id6))
})
test_that("Setting the private seed explicitly results in identical values", {
set.seed(0)
.globals$ownSeed <- .Random.seed
id7 <- createUniqueId(4)
set.seed(0)
.globals$ownSeed <- .Random.seed
id8 <- createUniqueId(4)
expect_identical(id7, id8)
})
test_that("Private and 'public' random streams are independent and work the same", {
set.seed(0)
public <- c(runif(1), runif(1), runif(1))
withPrivateSeed(set.seed(0))
private <- c(withPrivateSeed(runif(1)), withPrivateSeed(runif(1)), withPrivateSeed(runif(1)))
expect_identical(public, private)
# Interleaved calls to runif() with private and public streams
set.seed(0)
withPrivateSeed(set.seed(0))
public <- numeric()
private <- numeric()
public[1] <- runif(1)
private[1] <- withPrivateSeed(runif(1))
private[2] <- withPrivateSeed(runif(1))
public[2] <- runif(1)
public[3] <- runif(1)
private[3] <- withPrivateSeed(runif(1))
expect_identical(public, private)
})
test_that("need() works as expected", {
# These are all falsy
expect_false(need(FALSE, FALSE))
expect_false(need(NULL, FALSE))
expect_false(need("", FALSE))
expect_false(need(character(0), FALSE))
expect_false(need(logical(0), FALSE))
expect_false(need(numeric(0), FALSE))
expect_false(need(integer(0), FALSE))
expect_false(need(complex(0), FALSE))
expect_false(need(matrix(), FALSE))
expect_false(need(NA, FALSE))
expect_false(need(NA_integer_, FALSE))
expect_false(need(NA_real_, FALSE))
expect_false(need(NA_complex_, FALSE))
expect_false(need(NA_character_, FALSE))
expect_false(need(c(NA, NA, FALSE), FALSE))
expect_false(need(c(FALSE), FALSE))
expect_false(need(try(stop("boom"), silent = TRUE), FALSE))
# These are all truthy
expect_null(need(0, FALSE))
expect_null(need(1:10, FALSE))
expect_null(need(LETTERS, FALSE))
expect_null(need("NA", FALSE))
expect_null(need(TRUE, FALSE))
expect_null(need(c(NA, NA, TRUE), FALSE))
expect_null(need(c(FALSE, FALSE, TRUE), FALSE))
})
test_that("req works", {
expect_error(req(TRUE, FALSE))
expect_error(req(TRUE, stop("boom")))
expect_equal(req(1, TRUE), 1)
# req arguments short circuit when a falsy value is found
value <- 0
expect_error(req(NULL, value <- 1))
expect_equal(value, 0)
# first argument is evaluated exactly once
value <- 0
req(value <- value + 1)
expect_equal(value, 1)
# correct environment is used
req2 <- function(...) {
req(...)
}
value <- 0
req2(value <- value + 1)
expect_equal(value, 1)
# Lots of args are supported
expect_error(do.call(req, c(as.list(1:1000), list(NULL))))
expect_equal(1, do.call(req, as.list(1:1000)))
})
test_that("any_unnamed works as expected", {
expect_false(any_unnamed(list()))
expect_true(any_unnamed(list(1,2,3)))
expect_true(any_unnamed(list(A = 1,2,3)))
expect_false(any_unnamed(list(A = 1,B = 2,C = 3)))
# List with named elements removed
x <- list(A = 1, B = 2, 3, 4)
x <- x[3:4]
expect_true(any_unnamed(x))
})
test_that("sortByName works as expected", {
# Error if any unnamed elements
expect_error(sortByName(c("a", "b")))
expect_error(sortByName(list(a=1, 2)))
expect_identical(sortByName(NULL), NULL)
expect_identical(sortByName(numeric(0)), numeric(0))
expect_identical(sortByName(character(0)), character(0))
# Empty unnamed list
expect_identical(sortByName(list()), list())
# Empty named list
expect_identical(sortByName(list(a=1)[0]), list(a=1)[0])
expect_identical(sortByName(list(b=1, a=2)), list(a=2, b=1))
expect_identical(sortByName(list(b=1)), list(b=1))
# Ties are resolved by using original order
expect_identical(sortByName(list(b=1, a=2, b=3)), list(a=2, b=1, b=3))
expect_identical(sortByName(list(b=3, a=2, b=1)), list(a=2, b=3, b=1))
# Make sure atomic vectors work
expect_identical(sortByName(c(b=1, a=2)), c(a=2, b=1))
expect_identical(sortByName(c(b=1, a=2, b=3)), c(a=2, b=1, b=3))
})
test_that("sortByName gives expected sort order using `radix` method", {
skip_on_cran()
# without UTF-8
items <- list("aa"=1, "bb"=2, "AA"=5, "BB"=6, "a_"=7, "b_"=8, "_A"=9, "_B"=10)
items_expected <- list(AA=5, BB=6, "_A"=9, "_B"=10, a_=7, aa=1, b_=8, bb=2)
# sort(names(items), method = "radix")
# #> [1] "AA" "BB" "_A" "_B" "a_" "aa" "b_" "bb"
# sort(names(items), method = "shell")
# #> [1] "_A" "_B" "a_" "aa" "AA" "b_" "bb" "BB"
expect_identical(sortByName(items, method = "radix"), items_expected)
skip_on_os("windows") # windows can't handle UTF-8
# with UTF-8
items <- list("aa"=1, "bb"=2, "åå"=3, "∫∫"=4, "AA"=5, "BB"=6, "a_"=7, "b_"=8, "_A"=9, "_B"=10)
items_expected <- list(AA=5, BB=6, "_A"=9, "_B"=10, a_=7, aa=1, b_=8, bb=2, "åå"=3, "∫∫"=4)
# sort(name(items), method = "radix")
# #> [1] "AA" "BB" "_A" "_B" "a_" "aa" "b_" "bb" "åå" "∫∫"
# sort(items, method = "shell")
# #> [1] "_A" "_B" "∫∫" "a_" "aa" "AA" "åå" "b_" "bb" "BB"
expect_identical(sortByName(items, method = "radix"), items_expected)
})
test_that("Callbacks fire in predictable order", {
cb <- Callbacks$new()
x <- numeric(0)
cb$register(function() {
x <<- c(x, 1)
})
cb$register(function() {
x <<- c(x, 2)
})
cb$register(function() {
x <<- c(x, 3)
})
cb$invoke()
expect_equal(x, c(1, 2, 3))
})
test_that("Application directories are identified", {
tests <- test_path("..", "test-modules", "12_counter", "tests")
expect_false(isAppDir(tests), "tests directory not an app")
expect_true(isAppDir(dirname(tests)), "tests parent directory is an app")
expect_equal(
findEnclosingApp(tests),
normalizePath(dirname(tests), winslash = "/")
)
expect_equal(
findEnclosingApp(dirname(tests)),
normalizePath(dirname(tests), winslash = "/")
)
})
test_that("dateYMD works", {
expect_identical(dateYMD("2020-01-14"),"2020-01-14")
expect_identical(dateYMD("2020/01/14"),"2020-01-14")
expect_identical(
dateYMD(c("2020-01-14", "2019-11-05")),
c("2020-01-14", "2019-11-05")
)
expect_identical(
dateYMD(c("2020/01/14", "2019/11/05")),
c("2020-01-14", "2019-11-05")
)
expect_warning(val <- dateYMD(""))
expect_identical(val, "")
expect_warning(val <- dateYMD(c(NA)))
expect_identical(val, NA)
expect_warning(val <- dateYMD(c("", NA)))
expect_identical(val, c("", NA))
# If there are any bad values, the entire thing goes through unchanged
expect_warning(val <- dateYMD(c("2019/11/05", NA)))
expect_identical(val, c("2019/11/05", NA))
expect_warning(val <- dateYMD(c("2019/11/05", "")))
expect_identical(val, c("2019/11/05", ""))
})
test_that("quoToFunction handles nested quosures", {
quo_inner <- local({
x <- 1
rlang::quo(x)
})
quo_outer <- rlang::quo(!!quo_inner + 1)
func <- quoToFunction(quo_outer, "foo")
expect_identical(func(), 2)
})
test_that("toJSON can set digits using options - default", {
withr::local_options(list(shiny.json.digits = NULL))
expect_equal(
as.character(toJSON(pi)),
"[3.141592653589793]"
)
})
test_that("toJSON can set digits using options - number", {
withr::local_options(list(shiny.json.digits = 4))
expect_equal(
as.character(toJSON(pi)),
"[3.1416]"
)
})
test_that("toJSON can set digits using options - asis number", {
withr::local_options(list(shiny.json.digits = I(4)))
expect_equal(
as.character(toJSON(pi)),
"[3.142]"
)
})
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