tests/testthat/test_main.R

In keboola/docs-custom-science-example-r-subclass: Custom R application skeleton

test_that("basic run", {
    # source data are prepared in tests directory

    # run the actual application
    app <- CustomApplicationExample$new(KBC_DATADIR)
    app$run()

    # verify the results
    dfResult <- read.csv(file = file.path(KBC_DATADIR, 'out/tables/result.csv'), stringsAsFactors = FALSE)
    expect_equal(
      data.frame(
        id = c(1, 2, 3, 4),
        number = c(10, 20, 30, 40),
        double_number = c(20, 40, 60, 80),
        stringsAsFactors = FALSE
      ),
      dfResult
    )
})