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##############################################
library(startR)
##############################################
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test_that("1. Input checks: CST_Subset", {
# Check that x is s2dv_cube
expect_error(
CST_Subset(array(10)),
"Parameter 'x' must be of the class 's2dv_cube'."
)
# Check var_dim
expect_error(
CST_Subset(lonlat_prec, var_dim = 1),
"Parameter 'var_dim' must be a character string."
)
expect_error(
CST_Subset(lonlat_prec, var_dim = c('tas', 'psl')),
"Parameter 'var_dim' must be a character string."
)
# Check dat_dim
expect_error(
CST_Subset(lonlat_prec, dat_dim = 1),
"Parameter 'dat_dim' must be a character string."
)
expect_error(
CST_Subset(lonlat_prec, dat_dim = c('dat1', 'dat2')),
"Parameter 'dat_dim' must be a character string."
)
})
##############################################
test_that("2. Output checks: CST_Subset", {
res1 <- CST_Subset(lonlat_prec, along = c('lat', 'lon', 'sdate', 'member'),
indices = list(1, 1:2, 1, 1:2),
drop = 'all')
# Check dimensions
expect_equal(
dim(res1$data),
res1$dims
)
expect_equal(
dim(res1$data),
c(member = 2, ftime = 31, lon = 2)
)
# Check coordinates
expect_equal(
names(res1$coords),
c("member", "ftime", "lon")
)
## lat
expect_equal(
res1$coords$lat,
NULL
)
## lon
expect_equal(
as.vector(res1$coords$lon),
c(6, 7)
)
## sdate
expect_equal(
res1$coords$sdate,
NULL
)
## member
expect_equal(
as.vector(res1$coords$member),
c(1,2)
)
# Check attrs
expect_equal(
names(res1$attrs),
names(lonlat_prec$attrs)
)
expect_equal(
names(res1$attrs$Variable$metadata),
c("lon", "prlr")
)
expect_equal(
c("exp1")
)
# Check 'dat_dim'
res2 <- CST_Subset(lonlat_prec, along = c('lat'), indices = list(1),
drop = 'all', dat_dim = 'dataset')
res3 <- CST_Subset(lonlat_prec, along = c('lat'), indices = list(1),
drop = 'selected', dat_dim = 'dataset')
res4 <- CST_Subset(lonlat_prec, along = c('dataset'), indices = list(1),
drop = 'all', dat_dim = 'dataset')
res5 <- CST_Subset(lonlat_prec, along = c('dataset'), indices = list(1),
drop = 'selected', dat_dim = 'dataset')
expect_equal(
res2$attrs$Datasets,
res3$attrs$Datasets
)
expect_equal(
length(res4$attrs$Datasets),
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)
# Check 'Dates'
res6 <- CST_Subset(lonlat_prec, along = c('sdate', 'ftime'),
indices = list(1, 1:10), drop = 'selected')
res7 <- CST_Subset(lonlat_prec, along = c('sdate', 'ftime'),
indices = list(1, 1:10), drop = 'none')
# Dates dimensions
expect_equal(
dim(res6$attrs$Dates),
res6$dims[which(names(dim(res6$data)) %in% c('sdate', 'ftime'))]
)
expect_equal(
dim(res7$attrs$Dates),
c(ftime = 10, sdate = 1)
)
# sdates coordinates
expect_equal(
names(res6$coords),
c("dataset", "member", "ftime", "lat", "lon")
)
expect_equal(
as.vector(res7$coords$sdate),
c("20101101")
)
})
##############################################
repos1 <- "/esarchive/exp/ecmwf/system5_m1/monthly_mean/$var$_f6h/$var$_$sdate$.nc"
repos2 <- "/esarchive/exp/ecmwf/system4_m1/monthly_mean/$var$_f6h/$var$_$sdate$.nc"
suppressWarnings(
data <- Start(dat = list(list(name = 'system4_m1', path = repos2),
list(name = 'system5_m1', path = repos1)),
var = c('tas', 'sfcWind'),
sdate = c('20170101'),
ensemble = indices(1),
time = indices(1:3),
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synonims = list(lat = c('lat', 'latitude'),
lon = c('lon', 'longitude')),
return_vars = list(time = 'sdate',
longitude = 'dat',
latitude = 'dat'),
metadata_dims = c('dat', 'var'),
retrieve = T)
)
suppressWarnings(
exp_start <- as.s2dv_cube(data)
)
##############################################
test_that("3. Output checks with Start", {
res8 <- CST_Subset(exp_start, along = c('lon', 'sdate', 'ensemble', 'var', 'dat'),
indices = list(1:2, 1, 1, 1, 1),
drop = 'none')
res9 <- CST_Subset(exp_start, along = c('lon', 'sdate', 'ensemble', 'var', 'dat'),
indices = list(1:2, 1, 1, 1, 1),
drop = FALSE, var_dim = 'var', dat_dim = 'dat')
res10 <- CST_Subset(exp_start, along = c('lon', 'sdate', 'ensemble', 'var', 'dat'),
indices = list(1:2, 1, 1, 1, 1),
drop = 'selected', var_dim = 'var', dat_dim = 'dat')
# Check dimensions
expect_equal(
dim(res8$data),
c(dat = 1, var = 1, sdate = 1, ensemble = 1, time = 3, lat = 2, lon = 2)
)
expect_equal(
dim(res8$data),
dim(res9$data)
)
expect_equal(
dim(res10$data),
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)
# Check coordinates
expect_equal(
names(res8$coords),
names(res8$dims)
)
expect_equal(
names(res9$coords),
names(res9$dims)
)
# varName
expect_equal(
res8$attrs$Variable$varName,
c("tas", "sfcWind")
)
expect_equal(
res9$attrs$Variable$varName,
c("tas")
)
expect_equal(
res10$attrs$Variable$varName,
NULL
)
# metadata
expect_equal(
names(res8$attrs$Variable$metadata),
c("time", "lat", "lon", "tas", "sfcWind")
)
expect_equal(
names(res9$attrs$Variable$metadata),
c("time", "lat", "lon", "tas")
)
expect_equal(
names(res10$attrs$Variable$metadata),
c("time", "lat", "lon")
)
# Datasets
expect_equal(
res8$attrs$Datasets,
c("system4_m1", "system5_m1")
)
expect_equal(
res9$attrs$Datasets,
c("system4_m1")
)
expect_equal(
length(res10$attrs$Datasets),
0
)
# Check source_files
expect_equal(
dim(res8$attrs$source_files),
)
expect_equal(
dim(res9$attrs$source_files),
)
expect_equal(
dim(res10$attrs$source_files),
##############################################
test_that("3. Output checks with Start", {
res11 <- CST_Subset(exp_start, along = c("dat", "lon", 'time', 'var'),
indices = list(1, 1:2, 1:2, 1), dat_dim = 'dat',
var_dim = 'var', drop = 'non-selected')
expect_equal(
dim(res11$data),
c(dat = 1, var = 1, time = 2, lat = 2, lon = 2)
)
expect_equal(
names(res11$coords),
names(res11$dims)
)
expect_equal(
dim(res11$attrs$Dates),
c(time = 2)
)
expect_equal(
dim(res11$coords$time),