tests/testthat/test_pipeop_targetinvert.R

In mlr-org/mlr3pipelines: Preprocessing Operators and Pipelines for 'mlr3'

context("PipeOpTargetInvert")

test_that("PipeOpTargetInvert - basic properties", {
  expect_pipeop_class(PipeOpTargetInvert, list(id = "po"))

  po = PipeOpTargetInvert$new("po")

  expect_pipeop(po)
  expect_data_table(po$input, nrows = 2L)
  expect_data_table(po$output, nrows = 1L)
})