context("sf: date and time")
test_that("st_read and write handle date and time", {
Sys.setenv(TZ="") # local time
x = st_sf(a = 1:2, b=c(5.6,3), dt = Sys.Date()+1:2, tm = Sys.time()+2:3,
geometry = structure(st_sfc(st_point(c(1,1)), st_point(c(2,2)))))
shp <- paste0(tempfile(), ".shp")
gpkg <- paste0(tempfile(), ".gpkg")
st_write(x[-4], shp[1], quiet = TRUE)
x2 = st_read(shp[1], quiet = TRUE)
expect_equal(x[-4], x2)
st_write(x, gpkg, quiet = TRUE)
x2 = st_read(gpkg, quiet = TRUE)
expect_equal(x[["a"]], x2[["a"]])
expect_equal(x[["b"]], x2[["b"]])
expect_equal(x[["dt"]], x2[["dt"]])
expect_equal(x[["tm"]], x2[["tm"]])
Sys.setenv(TZ="UTC") # GMT
x = st_sf(a = 1:2, b=c(5.6,3), dt = Sys.Date()+1:2, tm = Sys.time()+2:3,
geometry = structure(st_sfc(st_point(c(1,1)), st_point(c(2,2)))))
shp <- paste0(tempfile(), ".shp")
gpkg <- paste0(tempfile(), ".gpkg")
st_write(x[-4], shp[1], quiet = TRUE)
x2 = st_read(shp[1], quiet = TRUE)
expect_equal(x[-4], x2)
st_write(x, gpkg, quiet = TRUE)
x2 = st_read(gpkg, quiet = TRUE)
expect_equal(x[["a"]], x2[["a"]])
expect_equal(x[["b"]], x2[["b"]])
expect_equal(x[["dt"]], x2[["dt"]])
expect_equal(x[["tm"]], x2[["tm"]])
})
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