Nothing
# get ----
testthat::test_that("datanames returns contents of @datanames slot", {
td <- teal_data(i = iris, m = mtcars)
testthat::expect_identical(datanames(td), c("i", "m"))
})
testthat::test_that("variables not in @datanames are omitted", {
td <- teal_data(i = iris, m = mtcars)
td <- within(td, f <- faithful)
testthat::expect_identical(datanames(td), c("i", "m"))
})
# set ----
testthat::test_that("datanames can set value of @datanames", {
td <- teal_data(i = iris, m = mtcars)
testthat::expect_identical(datanames(td), c("i", "m"))
datanames(td) <- "i"
testthat::expect_identical(datanames(td), "i")
})
testthat::test_that("only names of existing variables are accepted", {
td <- teal_data(i = iris, m = mtcars)
testthat::expect_no_error(datanames(td) <- "i")
testthat::expect_error(datanames(td) <- "f", "Assertion .* failed: Must be a subset")
})
# qenv.error support ----
testthat::test_that("datanames supports qenv.error class", {
qe <- within(teal_data(), stop())
testthat::expect_no_error(datanames(qe))
testthat::expect_no_error(datanames(qe) <- "name")
})
testthat::test_that("datanames called on qenv.error returns NULL", {
qe <- within(teal_data(), stop())
testthat::expect_null(datanames(qe))
})
testthat::test_that("datanames<- called on qenv.error does not change qenv.error", {
qe <- within(teal_data(), stop())
qec <- qe
testthat::expect_identical(qe, qec)
})
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