Nothing
test_that("outer_negation_linter skips allowed usages", {
linter <- outer_negation_linter()
expect_lint("x <- any(y)", NULL, linter)
expect_lint("y <- all(z)", NULL, linter)
# extended usage of any is not covered
expect_lint("any(!a & b)", NULL, linter)
expect_lint("all(a | !b)", NULL, linter)
expect_lint("any(a, b)", NULL, linter)
expect_lint("all(b, c)", NULL, linter)
expect_lint("any(!a, b)", NULL, linter)
expect_lint("all(a, !b)", NULL, linter)
expect_lint("any(a, !b, na.rm = TRUE)", NULL, linter)
# ditto when na.rm is passed quoted
expect_lint("any(a, !b, 'na.rm' = TRUE)", NULL, linter)
})
test_that("outer_negation_linter blocks simple disallowed usages", {
linter <- outer_negation_linter()
expect_lint(
"any(!x)",
rex::rex("!all(x) is better than any(!x)"),
linter
)
expect_lint(
"all(!foo(x))",
rex::rex("!any(x) is better than all(!x)"),
linter
)
# na.rm doesn't change the recommendation
expect_lint(
"any(!x, na.rm = TRUE)",
rex::rex("!all(x) is better than any(!x)"),
linter
)
# also catch nested usage
expect_lint(
"all(!(x + y))",
rex::rex("!any(x) is better than all(!x)"),
linter
)
# catch when all inputs are negated
expect_lint(
"any(!x, !y)",
rex::rex("!all(x) is better than any(!x)"),
linter
)
expect_lint(
"all(!x, !y, na.rm = TRUE)",
rex::rex("!any(x) is better than all(!x)"),
linter
)
})
test_that("outer_negation_linter doesn't trigger on empty calls", {
# minimal version of issue
expect_lint("any()", NULL, outer_negation_linter())
# closer to what was is practically relevant, as another regression test
expect_lint("x %>% any()", NULL, outer_negation_linter())
})
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