Nothing
data_dir <- file.path("..", "testdata")
tempfile_nc <- function() {
tempfile_helper("levbox_mergetime_")
}
########## output ncdf version 3 ##########
file_out <- tempfile_nc()
levbox_mergetime("SIS", 1, data_dir, "ex_lev", file_out)
file <- nc_open(file_out)
test_that("data is correct", {
actual <- ncvar_get(file)
temp1 <- seq(250, 272)
temp2 <- seq(230, 252)
expected_data <- c(temp1, temp1, temp1[1:3],
temp2, temp2, temp2[1:3])
expected <- array(expected_data, dim = c(7, 7, 2))
expect_equivalent(actual, expected)
})
test_that("attributes are correct", {
actual <- ncatt_get(file, "lon", "units")$value
expect_equal(actual, "degrees_east")
actual <- ncatt_get(file, "lon", "long_name")$value
expect_equal(actual, "longitude")
actual <- ncatt_get(file, "lon", "standard_name")$value
expect_equal(actual, "longitude")
actual <- ncatt_get(file, "lon", "axis")$value
expect_equal(actual, "X")
actual <- ncatt_get(file, "lat", "units")$value
expect_equal(actual, "degrees_north")
actual <- ncatt_get(file, "lat", "long_name")$value
expect_equal(actual, "latitude")
actual <- ncatt_get(file, "lat", "standard_name")$value
expect_equal(actual, "latitude")
actual <- ncatt_get(file, "lat", "axis")$value
expect_equal(actual, "Y")
actual <- ncatt_get(file, "time", "units")$value
expect_equal(actual, "hours since 1983-01-01 00:00:00")
actual <- ncatt_get(file, "time", "long_name")$value
expect_equal(actual, "time")
actual <- ncatt_get(file, "time", "standard_name")$value
expect_equal(actual, "time")
actual <- ncatt_get(file, "time", "calendar")$value
expect_equal(actual, "standard")
actual <- ncatt_get(file, "SIS", "standard_name")$value
expect_equal(actual, "SIS_standard")
actual <- ncatt_get(file, "SIS", "long_name")$value
expect_equal(actual, "SIS")
actual <- ncatt_get(file, "SIS", "units")$value
expect_equal(actual, "W m-2")
actual <- ncatt_get(file, "SIS", "_FillValue")$value
expect_equal(actual, -999)
actual <- ncatt_get(file, "SIS", "cmsaf_info")$value
expect_equal(actual, "cmsafops::levbox_mergetime for variable SIS")
global_attr <- ncatt_get(file, 0)
expect_equal(length(global_attr), 1)
actual <- names(global_attr[1])
expect_equal(actual, "Info")
actual <- global_attr[[1]]
expect_equal(actual, "Created with the CM SAF R Toolbox.")
})
test_that("coordinates are correct", {
actual <- ncvar_get(file, "lon")
expect_identical(actual, array(seq(5, 8, 0.5)))
actual <- ncvar_get(file, "lat")
expect_identical(actual, array(seq(45, 48, 0.5)))
actual <- ncvar_get(file, "time")
expect_equal(actual, array(c(149016, 158544)))
})
nc_close(file)
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