Nothing
data_dir <- file.path("..", "testdata")
tempfile_nc <- function() {
tempfile_helper("gridboxrange_")
}
########## output ncdf version 3 ##########
file_out <- tempfile_nc()
gridboxrange("SIS", 3, 6, file.path(data_dir, "ex_gridboxx.nc"), file_out)
file <- nc_open(file_out)
test_that("data is correct", {
actual <- ncvar_get(file)
expected_data <- c(86,86,86,86,86,100,82,
82,82,82,82,100,82,82,
82,82,82,82,82,82,82,
82,100,82,82,82,82,82,
100,82,82,82,82,82,82,
82,82,82,82,82,82,86,
86,86,86,100,100,86,86,
44,44,44,44,44,44,44,
82,82,86,86,86,86,86,
100,86,86,86,86,86,100,
82,82,82,82,82,82,82,
44,44,44,100,82,82,82)
expected <- array(expected_data, dim = c(4, 7, 3))
expect_equivalent(actual, expected)
})
test_that("variable attributes are correct", {
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", "standard_name")$value
expect_equal(actual, "SIS_standard")
actual <- ncatt_get(file, "SIS", "long_name")$value
expect_equal(actual, "Surface Incoming Shortwave Radiation")
actual <- ncatt_get(file, "SIS", "missing_value")$value
expect_equal(actual, 0)
})
test_that("attributes are correct", {
actual <- ncatt_get(file, "lon", "units")$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")$value
expect_equal(actual, "Surface Incoming Shortwave Radiation")
actual <- ncatt_get(file, "SIS", "units")$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::gridboxrange 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(c(5.5, 7.0, 8.5, 10.0, 11.5, 13.0, 14.5)))
actual <- ncvar_get(file, "lat")
expect_identical(actual, array(c(46.25, 49.25, 52.25, 54.5)))
actual <- ncvar_get(file, "time")
expect_equal(actual, array(c(150456, 151200, 151920)))
})
nc_close(file)
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