library(seriation)
library(testthat)
### use zzz in the name so it is done as the last test since it
### registers more methods that should not be tested with the other tests.
x <- matrix(
c(1, 1, 0, 0, 0,
1, 1, 1, 0, 0,
0, 0, 1, 1, 1,
1, 0, 1, 1, 1),
byrow = TRUE,
ncol = 5,
dimnames = list(letters[1:4], LETTERS[1:5])
)
d <- dist(x)
# Note: tsne does not work with duplicate entries, which is an issue.
if(seriation:::check_installed("Rtsne", "check")) {
register_tsne()
o <- seriate(d, method = "tsne")
expect_equal(length(o[[1]]), 4L)
#o <- seriate(x, method = "tsne")
}
if(seriation:::check_installed("dbscan", "check")) {
register_optics()
o <- seriate(d, method = "optics")
expect_equal(length(o[[1]]), 4L)
}
# this is very slow see we only for 10 iterations
skip_on_cran()
if(seriation:::check_installed("GA", "check")) {
register_GA()
o <- seriate(d, "GA", maxiter = 10, parallel = FALSE, verb = F)
expect_equal(length(o[[1]]), 4L)
}
# This produces too many messages
# Python (keras) leaves some files in temp and that upsets CRAN
skip()
# only do 10 epochs.
if(seriation:::check_installed("keras", "check")) {
suppressMessages({
register_vae()
o <- seriate(d, "VAE", epochs = 10)
})
expect_equal(length(o[[1]]), 4L)
o <- seriate(x, "VAE", epochs = 10)
expect_equal(length(o[[1L]]), 4L)
expect_equal(length(o[[2L]]), 5L)
}
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