context("md.pattern")
test_that("patterns run as expected", {
# boys
expect_silent(md.pattern(boys, plot = FALSE))
# nhanes
expect_silent(md.pattern(nhanes, plot = FALSE))
# one whole column missing (single pattern) - should not produce output
expect_silent(md.pattern(cbind(na.omit(nhanes), NA), plot = FALSE))
# no missings (no pattern) - should produce output
expect_output(md.pattern(na.omit(nhanes), plot = FALSE))
# feed single column - expect error
expect_error(md.pattern(nhanes$bmi))
# feed other than dataframe/matrix - expect error
expect_error(md.pattern(as.list(nhanes)))
#
})
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