tests/testthat/test_get_sp500.R

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

# library(YahooTickers)
#
# context("testing get_sp500()")
#
# sp500_tickers <- YahooTickers:::get_sp500()
#
# test_that("returns a tibble with one column and rows of lenght >= 500", {
#
#   # message
#   #expect_message(YahooTickers:::get_sp500())
#
#   # class
#   expect_is(sp500_tickers, "tbl")
#   expect_is(purrr::map_chr(sp500_tickers, class), "character")
#
#   # names
#   expect_equal(names(sp500_tickers), "tickers")
#
#   # size
#   expect_equal(sp500_tickers %>% ncol(), 1L)
#   expect_gte(sp500_tickers %>% nrow(), 500)
#
#   # tickers length
#   expect_lte(purrr::map(sp500_tickers, stringr::str_length)[[1]] %>% max(), 5)
#
# })