test_df <- data.frame(x = c(NA,2,3),
y = c(1,NA,3),
z = c(1,2,3))
test_that("label_miss_1d errors on a NULL entry",{
expect_snapshot(
error = TRUE,
label_miss_1d(NULL)
)
})
test_that("label_miss_1d returns a vector of the same length as the input",{
expect_length(label_miss_1d(test_df$x),
nrow(test_df))
})
test_that("label_miss_1d returns factor vector",{
expect_type(label_miss_1d(test_df$x),
# typeof(factor()) is "integer"
"integer")
})
test_that("label_miss_1d identifies the correct location of missingness",{
expect_snapshot(
label_miss_1d(test_df$x)
)
expect_snapshot(
label_miss_1d(test_df$y)
)
expect_snapshot(
label_miss_1d(test_df$z)
)
})
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