test_that("Package contributors", {
expect_warning(x <- contribs("Biobase"))
expect_true(inherits(x, "character"))
expect_true(length(x) == 1L)
expect_error(ncontribs("Biobase"))
x <- contribs("MSnbase")
expect_true(inherits(x, "person"))
expect_identical(length(x), ncontribs("MSnbase"))
expect_identical(pkgaut("MSnbase"), pkgcre("MSnbase"))
expect_identical(pkgaut("MSnbase"), pkgrole("MSnbase", "aut"))
expect_identical(pkgcre("MSnbase"), pkgrole("MSnbase", "cre"))
})
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