test_that("data_source() returns the correct output format", {
expect_type(data_source("manydata"), "list")
expect_length(data_source("manydata"), 1)
expect_named(data_source("manydata"), NULL)
expect_type(data_source("manydata", "emperors"), "list")
expect_length(data_source("manydata", "emperors"), 1)
expect_type(data_source("manydata", "emperors", "wikipedia"), "list")
expect_length(data_source("manydata", "emperors", "wikipedia"), 1)
})
test_that("data_contrast() returns the correct output format", {
expect_type(data_contrast("manydata"), "list")
expect_length(data_contrast("manydata"), 1)
expect_named(data_contrast("manydata"), "emperors")
expect_type(data_contrast("manydata", "emperors"), "list")
expect_length(data_contrast("manydata", "emperors"), 1)
expect_type(data_contrast("manydata", "emperors", "wikipedia"), "list")
expect_length(data_contrast("manydata", "emperors", "wikipedia"), 1)
})
test_that("open_codebook() works", {
expect_error(open_codebook("manydata"),
"argument \"database\" is missing, with no default")
expect_error(open_codebook("manydata", "emperors"),
"argument \"dataset\" is missing, with no default")
})
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