tests/testthat/test_get_merval.R

In Reckziegel/YahooTickers: Download Stock Constituents From Several Stock Indexes

# library(YahooTickers)
#
# context("testing get_merval()")
#
# merval_tickers <- YahooTickers:::get_merval()
#
# test_that("returns a tibble with one column and rows of lenght >= 10", {
#
#   # class
#   expect_is(merval_tickers, "tbl")
#   expect_is(purrr::map_chr(merval_tickers, class), "character")
#
#   # names
#   expect_equal(names(merval_tickers), "tickers")
#
#   # size
#   expect_equal(merval_tickers %>% ncol(), 1L)
#   expect_gte(merval_tickers %>% nrow(), 10)
#
#   # tickers length
#   expect_lte(purrr::map(merval_tickers, stringr::str_length)[[1]] %>% max(), 9)
#
# })