testthat::test_that("writing gifti files", {
tdir = tempdir()
download_gifti_data(tdir)
expect_true(have_gifti_test_data(tdir))
######################################
# Read files
######################################
gii_files = download_gifti_data(tdir)
gii_list = lapply(gii_files, readgii)
##########################################
# Write files, read again, and check match
##########################################
gii_out <- file.path(tdir, "written.gii")
for (ii in 1:length(gii_list)) {
gii1 <- gii_list[[ii]]
# error #5
gii1$data_info$Encoding <- ifelse(
gii1$data_info$DataType == "NIFTI_TYPE_INT32",
"ASCII",
gii1$data_info$Encoding
)
writegii(gii1, gii_out)
gii2 <- readgii(gii_out)
# transformations is an XML pointer, which may differ
gii1 <- gii1[names(gii1) != "transformations"]
gii2 <- gii2[names(gii2) != "transformations"]
expect_equal(gii1, gii2)
}
#################################################
# Same as above, but write parsed transformations
#################################################
gii_out <- file.path(tdir, "written.gii")
for (ii in 1:length(gii_list)) {
gii1 <- gii_list[[ii]]
# error #5
gii1$data_info$Encoding <- ifelse(
gii1$data_info$DataType == "NIFTI_TYPE_INT32",
"ASCII",
gii1$data_info$Encoding
)
writegii(gii1, gii_out, use_parsed_transformations = TRUE)
gii2 <- readgii(gii_out)
# transformations is an XML pointer, which may differ
gii1 <- gii1[names(gii1) != "transformations"]
gii2 <- gii2[names(gii2) != "transformations"]
expect_equal(gii1, gii2)
}
})
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