Nothing
context("'mutate' on CrunchDataset (not implemented)")
with_mock_crunch({
ds <- loadDataset("test ds")
test_that("mutate errors nicely", {
expect_error(
mutate(ds, men=gender == "Male"),
"You can, however, derive"
)
expect_error(
suppressWarnings(mutate_(ds, men=gender == "Male")),
"You can, however, derive"
)
})
test_that("When group_by calls mutate, it also errors nicely", {
expect_error(
group_by(ds, men=gender == "Male"),
"You can, however, derive"
)
})
})
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