permanent_redirect_test.rb

require 'test_helper'

class PermanentRedirectTest < ActionDispatch::IntegrationTest

  # in all cases, no matter how byzantine the setup, the goals are:
  #   1. get new episodes without the user having to re-subscribe
  #   2. don't fire out duped episodes if we can help it.

  test "gentlemanly df-style itunes redirect" do
    podcast = create_itunes_redirected_podcast \
      old: "http://oldfeed.example.org/",
      new: "http://newfeed.example.org"

    a = Account.new
    a.subscribe_to "http://oldfeed.example.org/"
    assert a.subscribed_to? "http://oldfeed.example.org"

    podcast.start_redirecting!

    refute a.subscribed_to? "http://oldfeed.example.org"
    assert a.subscribed_to? "http://newfeed.example.org"
    # maybe keep old if podcasts immutable?
    maybe_moved_event = a.event_stream.filter "podcast:moved"
    refute_nil maybe_moved_event

    old_count = a.event_stream.filter "episode:published"

    podcast.publish_new_episode!

    new_count = a.event_stream.filter "episode:published"
    assert_equal new_count, old_count + 1
  end

  test "301 for first-ever fetch" do
    # relatively easy, no existing state to manage
    skip
    podcast = create_301_redirected_podcast \
      old: "http://oldfeed.example.org/",
      new: "http://newfeed.example.org"

    podcast.start_redirecting!

    a = Account.new
    a.subscribe_to "http://oldfeed.example.org/"
    assert a.subscribed_to? "http://newfeed.example.org"

    # ensure new subscribers with old info are OK too
    b = Account.new
    b.subscribe_to "http://oldfeed.example.org/"
    assert b.subscribed_to? "http://newfeed.example.org"
  end

  test "301 to existing podcast with existing subscribers" do
    # this is the Myke tests a new feed before officially 301'ing scenario
    skip
    old_feed = create_podcast "http://oldfeed.example.org/"
    new_feed = create_podcast "http://newfeed.example.org/"

    anon = Account.new
    anon.subscribe_to "http://oldfeed.example.org/"
    assert a.subscribed_to? "http://oldfeed.example.org"

    old_feed.publish_new_episode!

    myke = Account.new
    myke = subscribe_to "http://newfeed.example.org/"
    assert myke.subscribed_to? "http://newfeed.example.org"

    new_feed.publish_new_episode!

    old_feed.start_301_redirecting_to! new_feed

    refute anon.subscribed_to? "http://oldfeed.example.org"
    assert anon.subscribed_to? "http://newfeed.example.org"

    assert_equal 2, anon.event_stream.filter("episode:published").count
    assert_equal 1, myke.event_stream.filter("episode:published").count

    new_feed.publish_new_episode!

    assert_equal 3, anon.event_stream.filter("episode:published").count
    assert_equal 2, myke.event_stream.filter("episode:published").count
  end

  test "301 with existing subscribers to not-already-existing podcast" do
    # hopefully the common case
    old_feed = create_podcast "http://oldfeed.example.org/"

    anon = Account.new
    anon.subscribe_to "http://oldfeed.example.org/"
    assert a.subscribed_to? "http://oldfeed.example.org"

    old_feed.publish_new_episode!

    assert_equal 1, anon.event_stream.filter("episode:published").count

    new_feed = create_podcast "http://newfeed.example.org/"
    old_feed.start_301_redirecting_to! new_feed

    refute anon.subscribed_to? "http://oldfeed.example.org"
    assert anon.subscribed_to? "http://newfeed.example.org"

    # THINK what happens if old guids are already in new feed?
    new_feed.publish_new_episode!
    assert_equal 2, anon.event_stream.filter("episode:published").count
  end

  test "crazy hijacking 301 attempt" do
    skip
  end

end