tests/testthat/test_drop_all_na.R

In Nelson-Gon/mde: Missing Data Explorer

test_that(desc = "drop_all_na errors on absent columns",
          code = {
            skip_on_oldrel()
            
            test2 <-
              data.frame(ID = c("A", "A", "B", "A", "B"),
                         Vals = rep(NA, 5))
            
            expect_snapshot(expect_error(drop_all_na(test2,
                                     grouping_cols = c("ID", 
                                                       "non_existant"))))
            test <-
              data.frame(ID = c("A", "A", "B", "A", "B"),
                         Vals = c(rep(NA, 4), 2))
            
            expect_equal(nrow(drop_all_na(test, grouping_cols = "ID")), 2)
            expect_false("Vals" %in% names(drop_all_na(test2)))
            expect_equal(ncol(mde::drop_all_na(test2)), 1)
            
          })