require "test_helper"

class ShortLinksTest < ActionDispatch::IntegrationTest
  ##
  # test the short link with various parameters and ensure they're
  # kept in the redirect.
  def test_short_link_params
    assert_short_link_redirect("1N8H@P_5W")
    assert_short_link_redirect(ShortLink.encode(-0.107846, 51.50771, 18))
  end

  ##
  # utility method to test short links
  def assert_short_link_redirect(short_link)
    lon, lat, zoom = ShortLink.decode(short_link)
    anchor = "map=#{zoom}/#{lat}/#{lon}"

    # test without marker
    get "/go/" + short_link
    assert_redirected_to :controller => "site", :action => "index", :anchor => anchor

    # test with marker
    get "/go/" + short_link + "?m"
    assert_redirected_to :controller => "site", :action => "index", :mlat => lat.to_s, :mlon => lon.to_s, :anchor => anchor

    # test with layers and a marker
    get "/go/" + short_link + "?m&layers=B000FTF"
    assert_redirected_to :controller => "site", :action => "index", :mlat => lat.to_s, :mlon => lon.to_s, :anchor => "#{anchor}&layers=B000FTF"
    get "/go/" + short_link + "?layers=B000FTF&m"
    assert_redirected_to :controller => "site", :action => "index", :mlat => lat.to_s, :mlon => lon.to_s, :anchor => "#{anchor}&layers=B000FTF"

    # test with some random query parameters we haven't even implemented yet
    get "/go/" + short_link + "?foobar=yes"
    assert_redirected_to :controller => "site", :action => "index", :foobar => "yes", :anchor => anchor
  end
end