context("test-url-example")

test_that("url example works", {
  x <- rx_start_of_line() %>%
    rx_either_of("http", "ftp") %>%
    rx_maybe('s') %>%
    rx_find('://') %>%
    rx_maybe('www.') %>%
    rx_anything_but(' ') %>%
    rx_end_of_line()

  urls <- c("http://foo.com/blah_blah",
            "http://foo.com/blah_blah/",
            "http://foo.com/blah_blah_(wikipedia)",
            "http://foo.com/blah_blah_(wikipedia)_(again)",
            "http://www.example.com/wpstyle/?p=364",
            "https://www.example.com/foo/?bar=baz&inga=42&quux",
            "http://✪df.ws/123",
            "http://userid:password@example.com:8080",
            "http://userid:password@example.com:8080/",
            "http://userid@example.com",
            "http://userid@example.com/",
            "http://userid@example.com:8080",
            "http://userid@example.com:8080/",
            "http://userid:password@example.com",
            "http://userid:password@example.com/",
            "http://➡.ws/䨹",
            "http://⌘.ws",
            "http://⌘.ws/",
            "http://foo.com/blah_(wikipedia)#cite-1",
            "http://foo.com/blah_(wikipedia)_blah#cite-1",
            "http://foo.com/unicode_(✪)_in_parens",
            "http://foo.com/(something)?after=parens",
            "http://☺.damowmow.com/",
            "http://code.google.com/events/#&product=browser",
            "http://j.mp",
            "ftp://foo.bar/baz",
            "http://foo.bar/?q=Test%20URL-encoded%20stuff",
            "http://مثال.إختبار",
            "http://例子.测试",
            "http://उदाहरण.परीक्षा",
            "http://-.~_!$&'()*+,;=:%40:80%2f::::::@example.com",
            "http://1337.net",
            "http://a.b-c.de",
            "http://223.255.255.254")

  expect_true(all(grepl(x, urls)))

})