discourse/spec/models/topic_tracking_state_spec.rb

require 'spec_helper'

describe TopicTrackingState do

  let(:user) do
    Fabricate(:user)
  end

  let(:post) do
    create_post
  end

  it "can correctly publish unread" do
    # TODO setup stuff and look at messages
    TopicTrackingState.publish_unread(post)
  end

  it "correctly gets the tracking state" do
    report = TopicTrackingState.report([user.id])
    expect(report.length).to eq(0)

    new_post = post
    post.topic.notifier.watch_topic!(post.topic.user_id)

    report = TopicTrackingState.report([user.id])

    expect(report.length).to eq(1)
    row = report[0]

    expect(row.topic_id).to eq(post.topic_id)
    expect(row.highest_post_number).to eq(1)
    expect(row.last_read_post_number).to eq(nil)
    expect(row.user_id).to eq(user.id)

    # lets not leak out random users
    expect(TopicTrackingState.report([post.user_id])).to be_empty

    # lets not return anything if we scope on non-existing topic
    expect(TopicTrackingState.report([user.id], post.topic_id + 1)).to be_empty

    # when we reply the poster should have an unread row
    create_post(user: user, topic: post.topic)

    report = TopicTrackingState.report([post.user_id, user.id])
    expect(report.length).to eq(1)

    row = report[0]

    expect(row.topic_id).to eq(post.topic_id)
    expect(row.highest_post_number).to eq(2)
    expect(row.last_read_post_number).to eq(1)
    expect(row.user_id).to eq(post.user_id)

    # when we have no permission to see a category, don't show its stats
    category = Fabricate(:category, read_restricted: true)

    post.topic.category_id = category.id
    post.topic.save

    expect(TopicTrackingState.report([post.user_id, user.id]).count).to eq(0)
  end
end