diaspora/spec/models/comment_spec.rb

#   Copyright (c) 2010-2011, Diaspora Inc.  This file is
#   licensed under the Affero General Public License version 3 or later.  See
#   the COPYRIGHT file.

describe Comment, type: :model do
  let(:alices_aspect) { alice.aspects.first }
  let(:status_bob) { bob.post(:status_message, text: "hello", to: bob.aspects.first.id) }
  let(:comment_alice) { alice.comment!(status_bob, "why so formal?") }

  it_behaves_like "it is mentions container"

  describe "#destroy" do
    it "should delete a participation" do
      comment_alice
      expect { comment_alice.destroy }.to change { Participation.count }.by(-1)
    end

    it "should decrease count participation" do
      alice.comment!(status_bob, "Are you there?")
      comment_alice.destroy
      participations = Participation.where(target_id: comment_alice.commentable_id, author_id: comment_alice.author_id)
      expect(participations.first.count).to eq(1)
    end
  end

  describe "#people_allowed_to_be_mentioned" do
    let(:kate) { FactoryGirl.create(:user_with_aspect, friends: [bob]) }
    let(:olga) { FactoryGirl.create(:user_with_aspect, friends: [bob]) }

    it "returns the author and people who have commented or liked the private post" do
      eve.comment!(status_bob, "comment text")
      kate.like!(status_bob)
      olga.participate!(status_bob)
      status_bob.reload
      expect(comment_alice.people_allowed_to_be_mentioned).to match_array([alice, bob, eve, kate].map(&:person_id))
    end

    it "returns :all for public posts" do
      # set parent public
      status_bob.update(public: true)
      expect(comment_alice.people_allowed_to_be_mentioned).to eq(:all)
    end
  end

  describe "#subscribers" do
    let(:status_bob) { FactoryGirl.create(:status_message, public: true, author: bob.person) }
    let(:comment_alice) {
      FactoryGirl.create(
        :comment,
        text:   text_mentioning(remote_raphael, local_luke),
        post:   status_bob,
        author: alice.person
      )
    }

    context "on the parent post pod" do
      it "includes mentioned people to subscribers list" do
        expect(comment_alice.subscribers).to include(remote_raphael)
      end

      it "doesn't include local mentioned people if they aren't participant or contact" do
        expect(comment_alice.subscribers).not_to include(local_luke)
      end
    end

    context "on a non parent post pod" do
      let(:status_bob) { FactoryGirl.create(:status_message) } # make the message remote

      it "doesn't include mentioned people to subscribers list" do
        expect(comment_alice.subscribers).not_to include(remote_raphael)
      end
    end
  end

  describe "User#comment" do
    it "should be able to comment on one's own status" do
      bob.comment!(status_bob, "sup dog")
      expect(status_bob.reload.comments.first.text).to eq("sup dog")
    end

    it "should be able to comment on a contact's status" do
      comment_alice
      expect(status_bob.reload.comments.first.text).to eq("why so formal?")
    end

    it "does not multi-post a comment" do
      expect {
        comment_alice
      }.to change { Comment.count }.by(1)
    end

    it "should create a participation" do
      comment_alice
      participations = Participation.where(target_id: comment_alice.commentable_id, author_id: comment_alice.author_id)
      expect(participations.count).to eq(1)
    end

    it "does not create a participation if comment validation failed" do
      begin
        alice.comment!(status_bob, " ")
      rescue ActiveRecord::RecordInvalid
      end
      participations = Participation.where(target_id: status_bob, author_id: alice.person.id)
      expect(participations.count).to eq(0)
    end
  end

  describe "counter cache" do
    it "increments the counter cache on its post" do
      expect {
        comment_alice
      }.to change{
        status_bob.reload.comments_count
      }.by(1)
    end
  end

  describe "interacted_at" do
    it "sets the interacted at of the parent to the created at of the comment" do
      Timecop.freeze(Time.zone.now + 1.minute) do
        comment = Comment::Generator.new(alice, status_bob, "why so formal?").build
        comment.save
        expect(status_bob.reload.interacted_at.to_i).to eq(comment.created_at.to_i)
      end
    end
  end

  it_behaves_like "it is relayable" do
    let(:remote_parent) { FactoryGirl.create(:status_message, author: remote_raphael) }
    let(:local_parent) { local_luke.post(:status_message, text: "hi", to: local_luke.aspects.first) }
    let(:object_on_local_parent) { local_luke.comment!(local_parent, "yo!") }
    let(:object_on_remote_parent) { local_luke.comment!(remote_parent, "Yeah, it was great") }
    let(:remote_object_on_local_parent) { FactoryGirl.create(:comment, post: local_parent, author: remote_raphael) }
    let(:relayable) { Comment::Generator.new(alice, status_bob, "why so formal?").build }
  end

  describe "tags" do
    let(:object) { build(:comment) }

    before do
      # shared_behaviors/taggable.rb is still using instance variables, so we need to define them here.
      # Suggestion: refactor all specs using shared_behaviors/taggable.rb to use "let"
      @object = object
    end
    it_should_behave_like "it is taggable"
  end
end