tests/testthat/test-class-tensor.R

In raveio: File-System Toolbox for RAVE Project

context("Tensors")


test_that('Check the Tensor', {
  x <- 1:12
  d <- dim <- c(3,2,2,1)
  dn <- list(
    1:3,
    1:2,
    2:3,
    1
  )
  vn <- c('Trial', 'Frequency', 'Time', 'Electrode')

  # set temporary path
  tmp_dir <- tempdir(check = TRUE)
  raveio_setopt('tensor_temp_path', tmp_dir, .save = FALSE)

  ts <- Tensor$new(data = x, dim = d, dimnames = dn, varnames = vn)
  ts1 <- ECoGTensor$new(data = x, dim = d, dimnames = dn, varnames = vn)

  expect_length(ts$collapse(keep = c(3,2)), prod(d[c(2,3)]))

  expect_identical(ts$dim, dim)

  names(dn) <- vn
  expect_identical(ts$dimnames, dn)

  # subset
  sub <- ts$subset(Frequency ~ Frequency == 1)
  expect_equal(dim(sub$get_data()), c(3,1,2,1))


  # swap
  capture.output({
    ts$to_swap_now(use_index = TRUE)
  }, type = 'output')

  expect_null(ts$.__enclos_env__$private$.data)

  expect_is(ts$subset(Trial = Trial == 1), 'Tensor')


  expect_is(ts1[,,1], 'Tensor')


  expect_equivalent(dim(ts$subset(Frequency = Frequency == 1, data_only = TRUE)),
                    c(3,1,2,1))

  expect_equivalent(dim((ts1[,1,])$get_data()),
                    c(3,1,2,1))


  # baseline is soft-depricated, use dipsaus baseline instead

  # dn = c(dn, list(Electrode = 1))
  # names(dn) = c(vn, 'Electrode')
  # ts = Tensor$new(data = x, dim = c(d, 1), dimnames = dn, varnames = names(dn))
  #
  # capture.output({
  #   expect_is(baseline(ts1, 2, 2), 'Tensor')
  # }, type = 'output')




})