discourse/spec/models/draft_spec.rb

require 'spec_helper'

describe Draft do
  before do
    @user = Fabricate(:user)
  end
  it "can get a draft by user" do
    Draft.set(@user, "test", 0, "data")
    expect(Draft.get(@user, "test", 0)).to eq "data"
  end

  it "uses the user id and key correctly" do
    Draft.set(@user, "test", 0,"data")
    expect(Draft.get(Fabricate.build(:coding_horror), "test", 0)).to eq nil
  end

  it "should overwrite draft data correctly" do
    Draft.set(@user, "test", 0, "data")
    Draft.set(@user, "test", 0, "new data")
    expect(Draft.get(@user, "test", 0)).to eq "new data"
  end

  it "should clear drafts on request" do
    Draft.set(@user, "test", 0, "data")
    Draft.clear(@user, "test", 0)
    expect(Draft.get(@user, "test", 0)).to eq nil
  end

  it "should disregard old draft if sequence decreases" do
    Draft.set(@user, "test", 0, "data")
    Draft.set(@user, "test", 1, "hello")
    Draft.set(@user, "test", 0, "foo")
    expect(Draft.get(@user, "test", 0)).to eq nil
    expect(Draft.get(@user, "test", 1)).to eq "hello"
  end

  it 'can cleanup old' do
    user = Fabricate(:user)
    key = Draft::NEW_TOPIC
    seq = DraftSequence.next!(user, key)

    Draft.set(user,key,seq,'draft')
    DraftSequence.update_all('sequence = sequence + 1')

    Draft.cleanup!

    expect(Draft.count).to eq 0
    Draft.set(Fabricate(:user), Draft::NEW_TOPIC, seq+1, 'draft')

    Draft.cleanup!

    expect(Draft.count).to eq 1
  end


  context 'key expiry' do
    it 'nukes new topic draft after a topic is created' do
      u = Fabricate(:user)
      Draft.set(u, Draft::NEW_TOPIC, 0, 'my draft')
      _t = Fabricate(:topic, user: u)
      s = DraftSequence.current(u, Draft::NEW_TOPIC)
      expect(Draft.get(u, Draft::NEW_TOPIC, s)).to eq nil
      expect(Draft.count).to eq 0
    end

    it 'nukes new pm draft after a pm is created' do
      u = Fabricate(:user)
      Draft.set(u, Draft::NEW_PRIVATE_MESSAGE, 0, 'my draft')
      t = Fabricate(:topic, user: u, archetype: Archetype.private_message, category_id: nil)
      s = DraftSequence.current(t.user, Draft::NEW_PRIVATE_MESSAGE)
      expect(Draft.get(u, Draft::NEW_PRIVATE_MESSAGE, s)).to eq nil
    end

    it 'does not nuke new topic draft after a pm is created' do
      u = Fabricate(:user)
      Draft.set(u, Draft::NEW_TOPIC, 0, 'my draft')
      t = Fabricate(:topic, user: u, archetype: Archetype.private_message, category_id: nil)
      s = DraftSequence.current(t.user, Draft::NEW_TOPIC)
      expect(Draft.get(u, Draft::NEW_TOPIC, s)).to eq 'my draft'
    end

    it 'nukes the post draft when a post is created' do
      user = Fabricate(:user)
      topic = Fabricate(:topic)
      p = PostCreator.new(user, raw: Fabricate.build(:post).raw, topic_id: topic.id).create
      Draft.set(p.user, p.topic.draft_key, 0,'hello')

      PostCreator.new(user, raw: Fabricate.build(:post).raw).create
      expect(Draft.get(p.user, p.topic.draft_key, DraftSequence.current(p.user, p.topic.draft_key))).to eq nil
    end

    it 'nukes the post draft when a post is revised' do
      p = Fabricate(:post)
      Draft.set(p.user, p.topic.draft_key, 0,'hello')
      p.revise(p.user, { raw: 'another test' })
      s = DraftSequence.current(p.user, p.topic.draft_key)
      expect(Draft.get(p.user, p.topic.draft_key, s)).to eq nil
    end

    it 'increases the sequence number when a post is revised'
  end
end