Nothing
data_dir <- file.path("..", "testdata")
tempfile_nc <- function() {
tempfile_helper("cmsaf.mul_")
}
########## output ncdf version 3 ##########
file_out <- tempfile_nc()
cmsaf.mul("SIS", "SIS",
file.path(data_dir, "ex_normal1.nc"),
file.path(data_dir, "ex_normal2.nc"),
file_out)
file <- nc_open(file_out)
test_that("data is correct", {
actual <- ncvar_get(file)
expected_data <- rep(c(57500, 57981, 58464, 58949, 59436, 59925, 60416, 60909,
61404, 61901, 62400, 62901, 63404, 63909, 64416, 64925, 65436, 65949, 66464,
66981, 67500, 68021, 68544), 3)
expected <- array(expected_data, dim = c(7, 7))
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, "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")$value
expect_equal(actual, "cmsafops::cmsaf.mul for variable SIS")
global_attr <- ncatt_get(file, 0)
expect_equal(length(global_attr), 1)
actual <- names(global_attr[1])
expect_equal(actual, "Info")
actual <- global_attr[[1]]
expect_equal(actual, "Created with the CM SAF R Toolbox.")
})
test_that("coordinates are correct", {
actual <- ncvar_get(file, "lon")
expect_identical(actual, array(seq(5, 8, 0.5)))
actual <- ncvar_get(file, "lat")
expect_identical(actual, array(seq(45, 48, 0.5)))
actual <- ncvar_get(file, "time")
expect_equal(actual, array(149016))
})
nc_close(file)
########## output ncdf version 4 ##########
file_out <- tempfile_nc()
cmsaf.mul("SIS", "SIS",
file.path(data_dir, "ex_normal1.nc"),
file.path(data_dir, "ex_normal2.nc"),
file_out, nc34 = 4)
file <- nc_open(file_out)
test_that("data is correct in version 4", {
actual <- ncvar_get(file)
expected_data <- rep(c(57500, 57981, 58464, 58949, 59436, 59925, 60416, 60909,
61404, 61901, 62400, 62901, 63404, 63909, 64416, 64925, 65436, 65949, 66464,
66981, 67500, 68021, 68544), 3)
expected <- array(expected_data, dim = c(7, 7))
expect_equivalent(actual, expected)
})
test_that("attributes are correct in version 4", {
actual <- ncatt_get(file, "lon", "units")$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")
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 in version 4", {
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(149016))
})
nc_close(file)
########## output ncdf version 7 #########
file_out <- tempfile_nc()
test_that("error is thrown if ncdf version is wrong", {
expect_error(
cmsaf.mul("SIS", "SIS",
file.path(data_dir, "ex_normal1.nc"),
file.path(data_dir, "ex_normal2.nc"), file_out, nc34 = 7),
"nc version must be in c(3, 4), but was 7", fixed = TRUE
)
})
########## output ncdf version is NULL #########
file_out <- tempfile_nc()
test_that("ncdf version NULL throws an error", {
expect_error(
cmsaf.mul("SIS", "SIS",
file.path(data_dir, "ex_normal1.nc"),
file.path(data_dir, "ex_normal2.nc"),
file_out, nc34 = NULL),
"nc_version must not be NULL"
)
})
########## variable does not exist #########
file_out <- tempfile_nc()
test_that("warning is shown if var does not exist", {
expect_warning(
cmsaf.mul("lat", "lon",
file.path(data_dir, "ex_normal1.nc"),
file.path(data_dir, "ex_normal2.nc"),
file_out),
"Variable 'lat' not found. Variable 'SIS' will be used instead."
)
})
file <- nc_open(file_out)
test_that("data is correct if non-existing variable is given", {
actual <- ncvar_get(file)
expected_data <- rep(c(57500, 57981, 58464, 58949, 59436, 59925, 60416, 60909,
61404, 61901, 62400, 62901, 63404, 63909, 64416, 64925, 65436, 65949, 66464,
66981, 67500, 68021, 68544), 3)
expected <- array(expected_data, dim = c(7, 7))
expect_equivalent(actual, expected)
})
test_that("attributes are correct if non-existing variable is given", {
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")$value
expect_equal(actual, "standard")
global_attr <- ncatt_get(file, 0)
expect_equal(length(global_attr), 1)
actual <- names(global_attr[1])
expect_equal(actual, "Info")
actual <- global_attr[[1]]
expect_equal(actual, "Created with the CM SAF R Toolbox.")
})
test_that("coordinates are correct if non-existing variable is given", {
actual <- ncvar_get(file, "lon")
expect_identical(actual, array(seq(5, 8, 0.5)))
actual <- ncvar_get(file, "lat")
expect_identical(actual, array(seq(45, 48, 0.5)))
actual <- ncvar_get(file, "time")
expect_equal(actual, array(149016))
})
nc_close(file)
########## variable is null #########
file_out <- tempfile_nc()
test_that("error is thrown if variable is NULL", {
expect_error(
cmsaf.mul(NULL, "SIS",
file.path(data_dir, "ex_normal1.nc"),
file.path(data_dir, "ex_normal2.nc"),
file_out),
"variable must not be NULL"
)
})
########## variable is empty #########
file_out <- tempfile_nc()
test_that("warning is shown if var is empty", {
expect_warning(
cmsaf.mul("SIS", "",
file.path(data_dir, "ex_normal1.nc"),
file.path(data_dir, "ex_normal2.nc"),
file_out),
"Variable '' not found. Variable 'SIS' will be used instead."
)
})
file <- nc_open(file_out)
test_that("data is correct", {
actual <- ncvar_get(file)
expected_data <- rep(c(57500, 57981, 58464, 58949, 59436, 59925, 60416, 60909,
61404, 61901, 62400, 62901, 63404, 63909, 64416, 64925, 65436, 65949, 66464,
66981, 67500, 68021, 68544), 3)
expected <- array(expected_data, dim = c(7, 7))
expect_equivalent(actual, expected)
})
test_that("attributes are correct", {
actual <- ncatt_get(file, "lon", "units")$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")
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(149016))
})
nc_close(file)
########## input file does not exist #########
file_out <- tempfile_nc()
test_that("error is thrown if input file does not exist", {
expect_error(
cmsaf.mul("SIS", "SIS",
file.path(data_dir, "xemaple1.nc"),
file.path(data_dir, "ex_normal2.nc"),
file_out),
"Input file does not exist")
})
########## input filename is empty #########
file_out <- tempfile_nc()
test_that("error is thrown if input filename is empty", {
expect_error(
cmsaf.mul("SIS", "SIS",
"",
file.path(data_dir, "ex_normal2.nc"),
file_out),
"Input file does not exist")
})
########## input filename is NULL #########
file_out <- tempfile_nc()
test_that("error is thrown if input filename is NULL", {
expect_error(
cmsaf.mul("SIS", "SIS",
file.path(data_dir, "ex_normal1.nc"),
NULL,
file_out),
"Input filepath must be of length one and not NULL"
)
})
########## output file already exists #########
file_out <- tempfile_nc()
cat("test\n", file = file_out)
test_that("error is thrown if output file already exists", {
expect_error(
cmsaf.mul("SIS",
"SIS",
file.path(data_dir, "ex_normal1.nc"),
file.path(data_dir, "ex_normal2.nc"),
file_out),
paste0("File '",
file_out,
"' already exists. Specify 'overwrite = TRUE' if you want to overwrite it."),
fixed = TRUE
)
expect_equal(readLines(con = file_out), "test")
})
########## output file already exists (overwrite = TRUE) #########
file_out <- tempfile_nc()
cat("test\n", file = file_out)
test_that("no error is thrown if overwrite = TRUE", {
expect_error(
cmsaf.mul("SIS",
"SIS",
file.path(data_dir, "ex_normal1.nc"),
file.path(data_dir, "ex_normal2.nc"),
file_out,
overwrite = TRUE),
NA
)
})
file <- nc_open(file_out)
test_that("data is correct", {
actual <- ncvar_get(file)
expected_data <- rep(c(57500, 57981, 58464, 58949, 59436, 59925, 60416, 60909,
61404, 61901, 62400, 62901, 63404, 63909, 64416, 64925, 65436, 65949, 66464,
66981, 67500, 68021, 68544), 3)
expected <- array(expected_data, dim = c(7, 7))
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")$value
expect_equal(actual, "standard")
global_attr <- ncatt_get(file, 0)
expect_equal(length(global_attr), 1)
actual <- names(global_attr[1])
expect_equal(actual, "Info")
actual <- global_attr[[1]]
expect_equal(actual, "Created with the CM SAF R Toolbox.")
})
test_that("coordinates are correct", {
actual <- ncvar_get(file, "lon")
expect_identical(actual, array(seq(5, 8, 0.5)))
actual <- ncvar_get(file, "lat")
expect_identical(actual, array(seq(45, 48, 0.5)))
actual <- ncvar_get(file, "time")
expect_equal(actual, array(149016))
})
nc_close(file)
########## time length is 2 and 2 ##########
file_out <- tempfile_nc()
cmsaf.mul("SIS", "SIS",
file.path(data_dir, "ex_time_dim1.nc"),
file.path(data_dir, "ex_time_dim2.nc"),
file_out)
file <- nc_open(file_out)
test_that("data is correct", {
actual <- ncvar_get(file)
expected_data <- rep(c(57500, 57981, 58464, 58949, 59436, 59925, 60416, 60909,
61404, 61901, 62400, 62901, 63404, 63909, 64416, 64925, 65436, 65949, 66464,
66981, 67500, 68021, 68544), 3)
expected <- array(expected_data, dim = c(7, 7, 2))
expect_equivalent(actual, expected)
})
test_that("attributes are correct", {
actual <- ncatt_get(file, "lon", "units")$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")$value
expect_equal(actual, "standard")
global_attr <- ncatt_get(file, 0)
expect_equal(length(global_attr), 1)
actual <- names(global_attr[1])
expect_equal(actual, "Info")
actual <- global_attr[[1]]
expect_equal(actual, "Created with the CM SAF R Toolbox.")
})
test_that("coordinates are correct", {
actual <- ncvar_get(file, "lon")
expect_identical(actual, array(seq(5, 8, 0.5)))
actual <- ncvar_get(file, "lat")
expect_identical(actual, array(seq(45, 48, 0.5)))
actual <- ncvar_get(file, "time")
expect_equal(actual, array(c(149016, 158544)))
})
nc_close(file)
########## time length is 1 and 2 ##########
file_out <- tempfile_nc()
cmsaf.mul("SIS", "SIS",
file.path(data_dir, "ex_normal1.nc"),
file.path(data_dir, "ex_time_dim2.nc"),
file_out)
file <- nc_open(file_out)
test_that("data is correct", {
actual <- ncvar_get(file)
expected_data <- c(rep(c(57500, 57981, 58464, 58949, 59436, 59925, 60416, 60909,
61404, 61901, 62400, 62901, 63404, 63909, 64416, 64925, 65436, 65949, 66464,
66981, 67500, 68021, 68544), 2),
57500, 57981, 58464,
rep(c(58250, 58734, 59220, 59708, 60198, 60690, 61184, 61680, 62178, 62678,
63180, 63684, 64190, 64698, 65208, 65720, 66234, 66750, 67268, 67788,
62100, 62601, 63104), 2),
c(58250, 58734, 59220))
expected <- array(expected_data, dim = c(7, 7, 2))
expect_equivalent(actual, expected)
})
test_that("attributes are correct", {
actual <- ncatt_get(file, "lon", "units")$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")$value
expect_equal(actual, "standard")
global_attr <- ncatt_get(file, 0)
expect_equal(length(global_attr), 1)
actual <- names(global_attr[1])
expect_equal(actual, "Info")
actual <- global_attr[[1]]
expect_equal(actual, "Created with the CM SAF R Toolbox.")
})
test_that("coordinates are correct", {
actual <- ncvar_get(file, "lon")
expect_identical(actual, array(seq(5, 8, 0.5)))
actual <- ncvar_get(file, "lat")
expect_identical(actual, array(seq(45, 48, 0.5)))
actual <- ncvar_get(file, "time")
expect_equal(actual, array(c(167976, 177480)))
})
nc_close(file)
########## time length is 2 and 1 ##########
file_out <- tempfile_nc()
cmsaf.mul("SIS", "SIS",
file.path(data_dir, "ex_time_dim1.nc"),
file.path(data_dir, "ex_normal2.nc"),
file_out)
file <- nc_open(file_out)
test_that("data is correct", {
actual <- ncvar_get(file)
expected_data <- c(rep(c(57500, 57981, 58464, 58949, 59436, 59925, 60416, 60909,
61404, 61901, 62400, 62901, 63404, 63909, 64416, 64925, 65436, 65949, 66464,
66981, 67500, 68021, 68544), 2),
57500, 57981, 58464,
rep(c(58190, 58674,
59160, 59648, 60138, 60630, 61124, 61620, 62118, 62618, 63120, 63624, 64130,
64638, 65148, 65660, 66174, 66690, 67208, 67728, 62500, 63001, 63504), 2),
c(58190, 58674, 59160))
expected <- array(expected_data, dim = c(7, 7, 2))
expect_equivalent(actual, expected)
})
test_that("attributes are correct", {
actual <- ncatt_get(file, "lon", "units")$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")$value
expect_equal(actual, "standard")
global_attr <- ncatt_get(file, 0)
expect_equal(length(global_attr), 1)
actual <- names(global_attr[1])
expect_equal(actual, "Info")
actual <- global_attr[[1]]
expect_equal(actual, "Created with the CM SAF R Toolbox.")
})
test_that("coordinates are correct", {
actual <- ncvar_get(file, "lon")
expect_identical(actual, array(seq(5, 8, 0.5)))
actual <- ncvar_get(file, "lat")
expect_identical(actual, array(seq(45, 48, 0.5)))
actual <- ncvar_get(file, "time")
expect_equal(actual, array(c(149016, 158544)))
})
nc_close(file)
########## time length is 4 and 2 ##########
file_out <- tempfile_nc()
test_that("error is thrown if dimensions do not match", {
expect_error(cmsaf.mul("SIS", "SIS",
file.path(data_dir, "ex_time_dim3.nc"),
file.path(data_dir, "ex_time_dim2.nc"),
file_out), "Uncompatible time lengths!")
})
########## different lon lengths ##########
file_out <- tempfile_nc()
test_that("error is thrown if dimensions don't match", {
expect_error(cmsaf.mul("SIS", "SIS",
file.path(data_dir, "ex_normal1.nc"),
file.path(data_dir, "ex_different_lon_length.nc"),
file_out),
"Dimensions of infiles do not match!")
})
########## additional attribute ##########
file_out <- tempfile_nc()
cmsaf.mul("SIS", "SIS",
file.path(data_dir, "ex_additional_attr.nc"),
file.path(data_dir, "ex_normal2.nc"),
file_out)
file <- nc_open(file_out)
test_that("data is correct", {
actual <- ncvar_get(file)
expected_data <- rep(c(57500, 57981, 58464, 58949, 59436, 59925, 60416, 60909,
61404, 61901, 62400, 62901, 63404, 63909, 64416, 64925, 65436, 65949, 66464,
66981, 67500, 68021, 68544), 3)
expected <- array(expected_data, dim = c(7, 7))
expect_equivalent(actual, expected)
})
test_that("attributes are correct", {
actual <- ncatt_get(file, "lon", "units")$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")$value
expect_equal(actual, "standard")
global_attr <- ncatt_get(file, 0)
expect_equal(length(global_attr), 2)
actual <- names(global_attr[1])
expect_equal(actual, "Info")
actual <- global_attr[[1]]
expect_equal(actual, "Created with the CM SAF R Toolbox.")
actual <- names(global_attr[2])
expect_equal(actual, "institution")
actual <- global_attr[[2]]
expect_equal(actual, "This is a test attribute.")
})
test_that("coordinates are correct", {
actual <- ncvar_get(file, "lon")
expect_identical(actual, array(seq(5, 8, 0.5)))
actual <- ncvar_get(file, "lat")
expect_identical(actual, array(seq(45, 48, 0.5)))
actual <- ncvar_get(file, "time")
expect_equal(actual, array(149016))
})
nc_close(file)
########## input ncdf version 4 ##########
file_out <- tempfile_nc()
cmsaf.mul("SIS", "SIS",
file.path(data_dir, "ex_v4_1.nc"),
file.path(data_dir, "ex_v4_2.nc"),
file_out)
file <- nc_open(file_out)
test_that("data is correct", {
actual <- ncvar_get(file)
expected_data <- rep(c(57500, 57981, 58464, 58949, 59436, 59925, 60416, 60909,
61404, 61901, 62400, 62901, 63404, 63909, 64416, 64925, 65436, 65949, 66464,
66981, 67500, 68021, 68544), 3)
expected <- array(expected_data, dim = c(7, 7))
expect_equivalent(actual, expected)
})
test_that("attributes are correct", {
actual <- ncatt_get(file, "lon", "units")$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")
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(149016))
})
nc_close(file)
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