Nothing
test_that("yearweek constructor and coercion to date works", {
dates <- seq.Date(from = as.Date("1970-01-01"), length.out = 4, by = "week")
storage.mode(dates) <- "double" # needed for R <= 4.1.3
yw4 <- new_yearweek(0:3, firstday = 4L)
expect_identical(as.Date(yw4), dates)
expect_identical(format(yw4), c("1970-W01", "1970-W02", "1970-W03", "1970-W04"))
expect_identical(format(new_yearweek()), character())
dat <- as.Date("1900-01-01") + seq.int(from = 0L, to = 200L * 365, by = 180L)
expected <- as_yearweek(dat, firstday = 3L)
tmp <- as.character(expected)
years <- as.integer(substr(tmp, 1L, 4L))
weeks <- as.integer(substr(tmp, 7L, 8L))
expect_identical(yearweek(years, weeks, 3L), expected)
})
test_that("yearweek, pre-epoch dates work", {
dates <- seq.Date(from = as.Date("1900-01-01"), length.out = 4, by = "week")
storage.mode(dates) <- "double" # needed for R <= 4.1.3
dates2 <- seq.Date(from = as.Date("1900-01-01") - 28, length.out = 4, by = "week")
storage.mode(dates2) <- "double" # needed for R <= 4.1.3
expect_identical(as.Date(as_yearweek(dates)), dates)
expect_identical(as.Date(as_yearweek(dates) - 4), dates2)
})
test_that("yearweek, january 1 dates", {
# january 1 dates ---------------------------------------------------------
# Slightly modified version of tests from Zhian Kamvar's aweek package.
# This checks that the tricky behaviour at the end/beginning of the year is
# handled correctly.
yrs <- 2001:2019
dates <- sprintf("%d-01-01", yrs)
dates <- as.Date(c(dates, NA_character_))
# ISO week (firstday monday)
dates_iso <- as_yearweek(dates)
expected <- c(
"2001-W01", "2002-W01", "2003-W01", "2004-W01", "2004-W53",
"2005-W52", "2007-W01", "2008-W01", "2009-W01", "2009-W53",
"2010-W52", "2011-W52", "2013-W01", "2014-W01", "2015-W01",
"2015-W53", "2016-W52", "2018-W01", "2019-W01", NA
)
expect_identical(as.character(dates_iso), expected)
expect_identical(
suppressWarnings(as_yearweek(as.character(dates_iso), format = "yearweek")),
dates_iso
)
years <- as.integer(substr(expected, 1L, 4L))
weeks <- as.integer(substr(expected, 7L, 8L))
expect_identical(dates_iso, suppressWarnings(yearweek(years, weeks)))
# Epi weeks (firstday sunday)
epiweeks <- c(1, 1, 1, 53, 52, 1, 1, 1, 53, 52, 52, 1, 1, 1, 53, 52, 1, 1, 1, NA)
epiyears <- c(2001, 2002, 2003, 2003, 2004, 2006, 2007, 2008, 2008, 2009,
2010, 2012, 2013, 2014, 2014, 2015, 2017, 2018, 2019, NA)
dates_epi <- as_yearweek(dates, 7)
expect_identical(dates_epi, suppressWarnings(yearweek(epiyears, epiweeks, 7L)))
expected <- sprintf("%d-W%02d", epiyears, epiweeks)
expected[length(expected)] <- NA_character_
expect_identical(as.character(dates_epi), expected)
})
test_that("yearweek, POSIXlt coercion works", {
nz <- as.POSIXlt("2021-01-04 02:00:00", tz = "NZ")
utc <- as.POSIXlt("2021-01-04 00:00:00", tz = "UTC")
result <- as.POSIXlt(as_yearweek(nz))
expect_identical(result, utc)
dat <- "2021-01-04"
pos <- as.POSIXlt("2021-01-04", tz = "UTC")
res1 <- as_yearweek(pos, 1)
res2 <- as_yearweek(pos, 2)
res3 <- as_yearweek(pos, 3)
res4 <- as_yearweek(pos, 4)
res5 <- as_yearweek(pos, 5)
res6 <- as_yearweek(pos, 6)
res7 <- as_yearweek(pos, 7)
expect_identical(as.Date(res1), as.Date(dat))
expect_identical(as.Date(res2), as.Date("2020-12-29"))
expect_identical(as.Date(res3), as.Date("2020-12-30"))
expect_identical(as.Date(res4), as.Date("2020-12-31"))
expect_identical(as.Date(res5), as.Date("2021-01-01"))
expect_identical(as.Date(res6), as.Date("2021-01-02"))
expect_identical(as.Date(res7), as.Date("2021-01-03"))
dat <- "2021-01-04"
res <- as.POSIXlt(as_yearweek(dat, 1))
expect_s3_class(res, "POSIXlt")
expect_identical(julian(res), julian(as.POSIXlt("2021-01-04", tz = "UTC")))
expect_error(
as.POSIXlt(as_yearweek(dat), tz = "GMT"),
"<grates_yearweek> objects can only be converted to UTC. If other timezones are required, first convert to <Date> and then proceed as desired.",
fixed = TRUE
)
})
test_that("yearweek, POSIXct coercion works", {
nz <- as.POSIXct(as.POSIXlt("2021-01-04", tz = "NZ"))
dat <- as_yearweek(nz)
result <- as.POSIXct(dat)
expect_identical(result, as.POSIXct(as.POSIXlt("2021-01-04", tz = "UTC")))
dat <- "2021-01-04"
pos <- as.POSIXct(as.POSIXlt("2021-01-04", tz = "UTC"))
res1 <- as_yearweek(pos, 1)
expect_identical(as.Date(res1), as.Date(dat))
res2 <- as_yearweek(pos, 2)
expect_identical(as.Date(res2), as.Date("2020-12-29"))
res3 <- as_yearweek(pos, 3)
expect_identical(as.Date(res3), as.Date("2020-12-30"))
res4 <- as_yearweek(pos, 4)
expect_identical(as.Date(res4), as.Date("2020-12-31"))
res5 <- as_yearweek(pos, 5)
expect_identical(as.Date(res5), as.Date("2021-01-01"))
res6 <- as_yearweek(pos, 6)
expect_identical(as.Date(res6), as.Date("2021-01-02"))
res7 <- as_yearweek(pos, 7)
expect_identical(as.Date(res7), as.Date("2021-01-03"))
dat <- "2021-01-04"
res <- as.POSIXct(as_yearweek(dat, 1))
expect_identical(res, as.POSIXct(as.POSIXlt(dat), tz = "UTC"))
expect_error(
as.POSIXct(as_yearweek(dat), tz = "GMT"),
"<grates_yearweek> objects can only be converted to UTC. If other timezones are required, first convert to <Date> and then proceed as desired.",
fixed = TRUE
)
})
test_that("yearweek, character coercion works", {
dat <- "2021-01-04"
res <- as_yearweek(dat, 1)
expect_identical(as.Date(res), as.Date(dat))
dat <- as.factor("2021-01-04")
res <- as_yearweek(dat, 1)
expect_identical(as.Date(res), as.Date(dat))
dat <- "2020-12-28"
res <- as.character(as_yearweek(dat, 1))
expect_identical(res, "2020-W53")
})
test_that("as_yearweek, misc errors and warnings", {
dat <- Sys.Date()
expect_error(as_yearweek(dat, "bob"))
expect_error(
as_yearweek(dat, 6.5),
"`firstday` must be an integer of length 1.",
fixed = TRUE
)
expect_error(
as_yearweek(dat, 8),
"`firstday` must be an integer between 1 (Monday) and 7 (Sunday).",
fixed = TRUE
)
expect_error(
as_yearweek(TRUE),
"Not implemented for class [logical].",
fixed = TRUE
)
expect_error(as_yearweek("bob"))
expect_warning(
as_yearweek("bob", format = "yearweek"),
"Some entries invalid for given `year` and `week` values. Returning these as NA.",
fixed = TRUE
)
})
test_that("yearweek, as.list works", {
dat <- as_yearweek(c("2020-12-28", "2021-01-04"))
res <- list(as_yearweek("2020-12-28"), as_yearweek("2021-01-04"))
expect_identical(res, as.list(dat))
})
test_that("yearweek, accessors", {
dat <- as_yearweek(as.Date("2020-12-28"))
expect_identical(get_year(dat), 2020L)
expect_identical(get_week(dat), 53)
expect_identical(get_firstday(dat), 1L)
expect_error(get_year("bob"))
expect_error(get_week("bob"))
expect_error(get_firstday("bob"))
expect_identical(
get_firstday(as_yearweek(as.Date("2020-12-28"), firstday = 2L)),
2L
)
expect_identical(
get_firstday(as_yearweek(as.Date("2020-12-28"), firstday = 3L)),
3L
)
expect_identical(
get_firstday(as_yearweek(as.Date("2020-12-28"), firstday = 4L)),
4L
)
expect_identical(
get_firstday(as_yearweek(as.Date("2020-12-28"), firstday = 5L)),
5L
)
expect_identical(
get_firstday(as_yearweek(as.Date("2020-12-28"), firstday = 6L)),
6L
)
expect_identical(
get_firstday(as_yearweek(as.Date("2020-12-28"), firstday = 7L)),
7L
)
})
test_that("yearweek, is_yearweek works", {
dat <- as_yearweek(Sys.Date())
expect_true(is_yearweek(dat))
expect_false(is_yearweek("bob"))
})
test_that("yearweek, subsetting works", {
x <- Sys.Date()
dat <- as_yearweek(x) + 0:1
dat <- setNames(dat, c("a", "b"))
expect_identical(dat[1], c(a=as_yearweek(x)))
expect_identical(dat[[2]], as_yearweek(x + 7))
dat[1] <- as_yearweek(x+14)
expect_identical(dat[1], c(a=as_yearweek(x + 14)))
dat[[2]] <- dat[[1]]
expect_identical(dat[[2]], dat[[1]])
expect_error(
dat[1] <- "bob",
"Can only assign <grates_yearweek> objects in to an <grates_yearweek> object.",
fixed = TRUE
)
expect_error(
dat[1] <- as_yearweek(x, 2),
"Incompatible first day of the week.",
fixed = TRUE
)
})
test_that("yearweek, combine works", {
x <- Sys.Date()
dat <- as_yearweek(x)
expect_identical(c(dat, dat), as_yearweek(c(x, x)))
dat2 <- as_yearweek(x, 2)
expect_error(
c(dat, "bob"),
"Unable to combine <grates_yearweek> objects with other classes.",
fixed = TRUE
)
expect_error(
c(dat, dat2),
"Unable to combine <grates_yearweek> objects with different first days of the week.",
fixed = TRUE
)
})
test_that("yearweek operators and math work", {
# comparison operators ----------------------------------------------------
x <- Sys.Date()
dat1 <- as_yearweek(x, 1)
dat2 <- as_yearweek(x, 2)
expect_false(dat1 == dat2)
expect_true(dat1 != dat2)
expect_true(dat1 == dat1)
expect_true(dat1 <= dat1 + 1)
expect_true(dat1 >= dat1 - 1)
expect_true(dat1 < dat1 + 1)
expect_true(dat1 > dat1 - 1)
expect_true(dat1 != dat1 + 1)
expect_error(
dat1 < dat2,
"Can only compare <grates_yearweek> objects with the same first day of the week.",
fixed = TRUE
)
expect_error(
dat1 > dat2,
"Can only compare <grates_yearweek> objects with the same first day of the week.",
fixed = TRUE
)
expect_error(
dat1 <= dat2,
"Can only compare <grates_yearweek> objects with the same first day of the week.",
fixed = TRUE
)
expect_error(
dat1 >= dat2,
"Can only compare <grates_yearweek> objects with the same first day of the week.",
fixed = TRUE
)
expect_error(
dat1 == TRUE,
"Can only compare <grates_yearweek> objects with <grates_yearweek> objects.",
fixed = TRUE
)
# addition ----------------------------------------------------------------
x <- as.Date("2021-01-05")
y <- as.Date("2021-01-04")
dat1 <- as_yearweek(x)
dat2 <- dat1 + 0:1
expect_identical(as.Date(dat2), c(y, y + 7))
expect_identical(dat2, 0:1 + dat1)
expect_identical(+dat1, dat1)
expect_error(
dat1 + 1.5,
"Can only add integers to <grates_yearweek> objects.",
fixed = TRUE
)
expect_error(
dat1 + dat1,
"Cannot add <grates_yearweek> objects to each other.",
fixed = TRUE
)
# subtraction -------------------------------------------------------------
x <- as.Date("2021-01-05")
y <- as.Date("2021-01-04")
dat1 <- as_yearweek(x)
dat2 <- dat1 - 0:1
expect_identical(as.Date(dat2), c(y, y - 7))
expect_identical(as.integer(dat2 - dat1), c(0L, -1L))
expect_error(
1 - dat1,
"Can only subtract from a <grates_yearweek> object, not vice-versa.",
fixed = TRUE
)
expect_error(
-dat1,
"Cannot negate a <grates_yearweek> object.",
fixed = TRUE
)
expect_error(
dat1 - 1.5,
"Can only subtract whole numbers and other <grates_yearweek> objects from <grates_yearweek> objects.",
fixed = TRUE
)
expect_error(
dat1 - as_yearweek(x, 2),
"<grates_yearweek> objects must have the same first day of the week to perform subtraction.",
fixed = TRUE
)
# Other operations error
x <- as_yearweek(as.Date("2021-01-05"))
expect_error(dat * 3)
expect_error(dat / 3)
expect_error(dat ^ 3)
expect_error(dat %% 3)
expect_error(dat %/% 3)
expect_error(dat & 3)
expect_error(dat | 3)
expect_error(!dat)
# Math
x <- as_yearweek(as.Date("2021-01-05"))
dat <- c(x + 0:1, new_yearweek(NA_integer_))
expect_identical(is.nan(dat), c(FALSE, FALSE, FALSE))
expect_identical(is.finite(dat), c(TRUE, TRUE, FALSE))
expect_identical(is.infinite(dat), c(FALSE, FALSE, FALSE))
expect_error(abs(dat))
})
test_that("yearweek, miscellaneous work", {
expect_identical(new_yearweek(-1.5), new_yearweek(-2L))
expect_error(new_yearweek("bob"), "`x` must be integer.", fixed = TRUE)
expect_error(
new_yearweek(0, 1.5),
"`firstday` must be an integer of length 1.",
fixed = TRUE
)
expect_error(
new_yearweek(0, 0:1),
"`firstday` must be an integer of length 1.",
fixed = TRUE
)
expect_error(
new_yearweek(0, -1),
"`firstday` must be an integer between 1 (Monday) and 7 (Sunday).",
fixed = TRUE
)
expect_error(
new_yearweek(0, 8),
"`firstday` must be an integer between 1 (Monday) and 7 (Sunday).",
fixed = TRUE
)
expect_error(
as_yearweek(Sys.Date(), 0:1),
"`firstday` must be an integer of length 1.",
fixed = TRUE
)
dat <- Sys.Date()
dat <- c(dat, dat - 45L)
dat <- as_yearweek(dat)
expect_identical(rep(dat, 2L), c(dat, dat))
expect_identical(rep(dat, each = 2L), c(dat[[1]], dat[[1]], dat[[2]], dat[[2]]))
expect_identical(unique(c(dat, dat)), dat)
dat <- as_yearweek(as.Date("1970-01-01"))
expect_identical(
seq(dat, dat + 6L, by = 2L),
new_yearweek(c(0L, 2L, 4L, 6L))
)
expect_error(
seq(dat, dat + 11, by = 2.5),
"`by` must be an integer of length 1.",
fixed = TRUE
)
dat2 <- as_yearweek(as.Date(dat+11), firstday = 3)
expect_error(
seq(dat, dat2, by = 2),
"`to` must have the same first day of the week as `from`",
fixed = TRUE
)
expect_error(
seq(dat, as.integer(dat + 11), by = 2.5),
"`to` must be a <grates_yearweek> object of length 1.",
fixed = TRUE
)
expect_identical(as.integer(new_yearweek(100L)), 100L)
expect_identical(as.double(new_yearweek(100L)), 100)
expect_identical(min(c(dat, dat+11)), dat)
expect_identical(max(c(dat, dat+11)), dat+11)
expect_identical(range(seq(dat, dat + 12, by = 2L)), c(dat, dat+12))
expect_error(
any(dat),
"`any()` is not supported for <grates_yearweek> objects.",
fixed = TRUE
)
expect_identical(yearweek(1L,1L),yearweek(1.5,1.5))
expect_error(yearweek(1L), "Cannot recycle a vector of length 0:", fixed = TRUE)
expect_error(yearweek(1:2,1:3), "Can only recycle vectors of length 1:", fixed = TRUE)
expect_error(yearweek(year = character()), "`year` must be integer.", fixed = TRUE)
expect_error(yearweek(week = character()), "`week` must be integer.")
expect_error(yearweek(firstday=1:2), "`firstday` must be an integer of length 1.", fixed = TRUE)
expect_error(yearweek(firstday=""), "`firstday` must be an integer of length 1.", fixed = TRUE)
expect_error(yearweek(firstday=8L), "`firstday` must be an integer between 1 (Monday) and 7 (Sunday).", fixed = TRUE)
expect_identical(yearweek(firstday = 1.0), yearweek(firstday = 1L))
})
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.