discourse/spec/system/topic_map_spec.rb

# frozen_string_literal: true
#
describe "Topic Map", type: :system do
  fab!(:user) { Fabricate(:user, refresh_auto_groups: true) }
  fab!(:topic) { Fabricate(:topic, user: user, created_at: 2.day.ago) }
  fab!(:original_post) { Fabricate(:post, topic: topic, user: user, created_at: 1.day.ago) }

  fab!(:other_user) { Fabricate(:user, refresh_auto_groups: true) }
  fab!(:last_post_user) { Fabricate(:user, refresh_auto_groups: true) }

  let(:topic_page) { PageObjects::Pages::Topic.new }
  let(:topic_map) { PageObjects::Components::TopicMap.new }

  def avatar_url(user, size)
    URI(user.avatar_template_url.gsub("{size}", size.to_s)).path
  end

  it "updates the various topic stats, avatars" do
    freeze_time
    sign_in(user)
    topic_page.visit_topic(topic)

    # topic map only appears after at least 1 reply
    expect(topic_page).to have_no_topic_map
    Fabricate(:post, topic: topic, created_at: 2.day.ago)
    Fabricate(:post, topic: topic, created_at: 1.day.ago, like_count: 3)
    2.times { Fabricate(:post, topic: topic, created_at: 1.day.ago, like_count: 1) }
    page.refresh
    expect(topic_page).to have_topic_map
    expect(topic_map).to have_no_users

    Fabricate(:post, topic: topic, created_at: 1.day.ago)
    page.refresh
    expect(topic_map.users_count).to eq 6

    # user count
    expect {
      Fabricate(:post, topic: topic, user: user, created_at: 1.day.ago)
      sign_in(last_post_user)
      topic_page.visit_topic_and_open_composer(topic)
      topic_page.send_reply("this is a cool-cat post") # fabricating posts doesn't update the last post details
      topic_page.visit_topic(topic)
    }.to change(topic_map, :users_count).by(1)

    # bottom map, avatars details with post counts
    expect(topic_map).to have_no_bottom_map

    Fabricate(:post, topic: topic)
    Fabricate(:post, user: user, topic: topic)
    Fabricate(:post, user: last_post_user, topic: topic)
    page.refresh

    expect(topic_map).to have_bottom_map

    avatars = topic_map.avatars_details
    expect(avatars.length).to eq 5 # max no. of avatars in a collapsed map

    expanded_avatars = topic_map.expanded_avatars_details
    expect(expanded_avatars[0]).to have_selector("img[src=\"#{avatar_url(user, 48)}\"]")
    expect(expanded_avatars[0].find(".post-count").text).to eq "3"
    expect(expanded_avatars[1]).to have_selector("img[src=\"#{avatar_url(last_post_user, 48)}\"]")
    expect(expanded_avatars[1].find(".post-count").text).to eq "2"
    expect(expanded_avatars[2]).to have_no_css(".post-count")
    expect(expanded_avatars.length).to eq 8

    # views count
    # TODO (martin) Investigate flakiness
    # sign_in(other_user)
    # topic_page.visit_topic(topic)
    # try_until_success { expect(TopicViewItem.count).to eq(2) }
    # page.refresh
    # expect(topic_map.views_count).to eq(2)

    # likes count
    # expect(topic_map).to have_no_likes
    # topic_page.click_like_reaction_for(original_post)
    # expect(topic_map.likes_count).to eq 6
  end
end