# library(YahooTickers)
#
# context("testing get_bel20()")
#
# bel20_tickers <- YahooTickers:::get_bel20()
#
# test_that("returns a tibble with one column and rows of lenght == 20", {
#
# # class
# expect_is(bel20_tickers, "tbl")
# expect_is(purrr::map_chr(bel20_tickers, class), "character")
#
# # names
# expect_equal(names(bel20_tickers), "tickers")
#
# # size
# expect_equal(bel20_tickers %>% ncol(), 1L)
# expect_gte(bel20_tickers %>% nrow(), 20)
#
# # tickers length
# expect_lte(purrr::map(bel20_tickers, stringr::str_length)[[1]] %>% max(), 8)
#
# })
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