discourse/plugins/discourse-post-voting/spec/requests/post_voting/comments_controller_spec.rb

# frozen_string_literal: true

require "rails_helper"

RSpec.describe PostVoting::CommentsController do
  fab!(:user)
  fab!(:admin)
  fab!(:moderator)
  fab!(:group)
  fab!(:category)
  fab!(:topic) { Fabricate(:topic, category: category, subtype: Topic::POST_VOTING_SUBTYPE) }
  fab!(:topic_post) { Fabricate(:post, topic: topic) }
  fab!(:answer) { Fabricate(:post, topic: topic) }
  let(:comment) { Fabricate(:post_voting_comment, post: answer) }
  let(:comment_2) { Fabricate(:post_voting_comment, post: answer) }
  let(:comment_3) { Fabricate(:post_voting_comment, post: answer) }

  before do
    SiteSetting.post_voting_enabled = true
    comment
    comment_2
    comment_3
  end

  describe "#load_comments" do
    it "returns the right response when user is not allowed to view post" do
      category.update!(read_restricted: true)

      get "/post_voting/comments.json", params: { post_id: answer.id, last_comment_id: comment.id }

      expect(response.status).to eq(403)
    end

    it "returns the right response when post_id is invalid" do
      get "/post_voting/comments.json", params: { post_id: -999_999, last_comment_id: comment.id }

      expect(response.status).to eq(404)
    end

    it "returns the right response" do
      get "/post_voting/comments.json", params: { post_id: answer.id, last_comment_id: comment.id }

      expect(response.status).to eq(200)
      payload = response.parsed_body

      expect(payload["comments"].length).to eq(2)

      comment = payload["comments"].first

      expect(comment["id"]).to eq(comment_2.id)
      expect(comment["name"]).to eq(comment_2.user.name)
      expect(comment["username"]).to eq(comment_2.user.username)
      expect(comment["created_at"].present?).to eq(true)
      expect(comment["cooked"]).to eq(comment_2.cooked)

      comment = payload["comments"].last

      expect(comment["id"]).to eq(comment_3.id)
    end
  end

  describe "#create" do
    before { sign_in(user) }

    it "returns the right response when user is not allowed to create post" do
      category.set_permissions(group => :readonly)
      category.save!

      post "/post_voting/comments.json", params: { post_id: answer.id, raw: "this is some content" }

      expect(response.status).to eq(403)
    end

    it "returns the right response when post_id is invalid" do
      post "/post_voting/comments.json", params: { post_id: -999_999, raw: "this is some content" }

      expect(response.status).to eq(404)
    end

    it "publishes a comment created MessageBus message when a new comment is created" do
      message =
        MessageBus
          .track_publish("/topic/#{answer.topic_id}") do
            expect do
              post "/post_voting/comments.json",
                   params: {
                     post_id: answer.id,
                     raw: "this is some content",
                   }

              expect(response.status).to eq(200)
            end.to change { answer.reload.post_voting_comments.count }.by(1)
          end
          .first

      comment = answer.post_voting_comments.last
      payload = message[:data]

      expect(payload[:comment][:id]).to eq(comment.id)
      expect(payload[:comment][:user_id]).to eq(user.id)
      expect(payload[:comment][:name]).to eq(user.name)
      expect(payload[:comment][:username]).to eq(user.username)
      expect(payload[:comment][:created_at]).to be_present
      expect(payload[:comment][:raw]).to eq("this is some content")
      expect(payload[:comment][:cooked]).to eq("<p>this is some content</p>")
      expect(payload[:comment][:post_voting_vote_count]).to eq(0)
      expect(payload[:comment][:user_voted]).to eq(false)
    end

    it "publishes a notification when a new comment is created" do
      answer.user.update!(last_seen_at: Time.zone.now) # User has to be seen recently to trigger notification alert message

      message =
        MessageBus
          .track_publish("/notification-alert/#{answer.user_id}") do
            expect do
              post "/post_voting/comments.json",
                   params: {
                     post_id: answer.id,
                     raw: "this is some content",
                   }

              expect(response.status).to eq(200)
            end.to change { answer.user.notifications.count }.by(1)
          end
          .first

      notification = answer.user.notifications.last
      comment = PostVotingComment.last

      expect(notification.notification_type).to eq(
        Notification.types[:question_answer_user_commented],
      )
      expect(notification.user_id).to eq(answer.user_id)
      expect(notification.post_number).to eq(answer.post_number)
      expect(notification.topic_id).to eq(answer.topic_id)

      expect(notification.data).to eq(
        { post_voting_comment_id: comment.id, display_username: user.username }.to_json,
      )

      expect(message.data[:notification_type]).to eq(
        Notification.types[:question_answer_user_commented],
      )
    end

    it "returns the right response after creating a new comment" do
      expect do
        post "/post_voting/comments.json",
             params: {
               post_id: answer.id,
               raw: "this is some content",
             }

        expect(response.status).to eq(200)
      end.to change { answer.reload.post_voting_comments.count }.by(1)

      payload = response.parsed_body
      comment = answer.post_voting_comments.last

      expect(payload["id"]).to eq(comment.id)
      expect(payload["name"]).to eq(user.name)
      expect(payload["username"]).to eq(user.username)
      expect(payload["cooked"]).to eq(comment.cooked)
    end
  end

  describe "#update" do
    it "should return 403 for an anon user" do
      put "/post_voting/comments.json",
          params: {
            comment_id: comment.id,
            raw: "this is some new raw",
          }

      expect(response.status).to eq(403)
    end

    it "should return 404 when comment_id is not associated to a valid record" do
      sign_in(comment.user)

      put "/post_voting/comments.json",
          params: {
            comment_id: -999_999,
            raw: "this is some new raw",
          }

      expect(response.status).to eq(404)
    end

    it "should return 403 when trying to update a comment on a post the user cannot see" do
      sign_in(comment.user)

      category.set_permissions(group => :readonly)
      category.save!

      put "/post_voting/comments.json",
          params: {
            comment_id: comment.id,
            raw: "this is some new raw",
          }

      expect(response.status).to eq(403)
    end

    it "should return 403 when a user is trying to update the comment of another user" do
      sign_in(Fabricate(:user))

      put "/post_voting/comments.json",
          params: {
            comment_id: comment.id,
            raw: "this is some new raw",
          }

      expect(response.status).to eq(403)
    end

    it "should allow an admin to update the comment" do
      sign_in(admin)

      put "/post_voting/comments.json",
          params: {
            comment_id: comment.id,
            raw: "this is some new raw",
          }

      expect(response.status).to eq(200)

      body = response.parsed_body

      expect(body["raw"]).to eq("this is some new raw")
      expect(body["cooked"]).to eq("<p>this is some new raw</p>")
    end

    it "should allow a moderator to update the comment" do
      sign_in(moderator)

      put "/post_voting/comments.json",
          params: {
            comment_id: comment.id,
            raw: "this is some new raw",
          }

      expect(response.status).to eq(200)

      body = response.parsed_body

      expect(body["raw"]).to eq("this is some new raw")
      expect(body["cooked"]).to eq("<p>this is some new raw</p>")
    end

    it "should allow users to update their own comment and publishes a MessageBus message" do
      sign_in(comment.user)

      message =
        MessageBus
          .track_publish("/topic/#{comment.post.topic_id}") do
            put "/post_voting/comments.json",
                params: {
                  comment_id: comment.id,
                  raw: "this is some new raw",
                }

            expect(response.status).to eq(200)
          end
          .first

      body = response.parsed_body

      expect(body["raw"]).to eq("this is some new raw")
      expect(body["cooked"]).to eq("<p>this is some new raw</p>")

      expect(message.data[:id]).to eq(comment.post_id)
      expect(message.data[:comment_id]).to eq(comment.id)
      expect(message.data[:comment_raw]).to eq("this is some new raw")
      expect(message.data[:comment_cooked]).to eq("<p>this is some new raw</p>")
    end
  end

  describe "#destroy" do
    it "should return 403 for an anon user" do
      delete "/post_voting/comments.json", params: { comment_id: comment.id }

      expect(response.status).to eq(403)
    end

    it "should return 404 when comment_id param given does not exist" do
      sign_in(comment.user)

      delete "/post_voting/comments.json", params: { comment_id: -99_999 }

      expect(response.status).to eq(404)
    end

    it "should return 403 when trying to delete a comment on a post the user cannot see" do
      sign_in(comment.user)

      category.set_permissions(group => :readonly)
      category.save!

      delete "/post_voting/comments.json", params: { comment_id: comment.id }

      expect(response.status).to eq(403)
    end

    it "should return 403 when a user is trying to delete another user's comment" do
      sign_in(Fabricate(:user))

      delete "/post_voting/comments.json", params: { comment_id: comment.id }

      expect(response.status).to eq(403)
    end

    it "should allow an admin to delete a comment of another user" do
      sign_in(admin)

      delete "/post_voting/comments.json", params: { comment_id: comment.id }

      expect(response.status).to eq(200)
      expect(
        PostVotingComment
          .with_deleted
          .where("deleted_at IS NOT NULL AND id = ?", comment.id)
          .exists?,
      ).to eq(true)
    end

    it "should allow a moderator to delete a comment of another user" do
      sign_in(moderator)

      delete "/post_voting/comments.json", params: { comment_id: comment.id }

      expect(response.status).to eq(200)
      expect(
        PostVotingComment
          .with_deleted
          .where("deleted_at IS NOT NULL AND id = ?", comment.id)
          .exists?,
      ).to eq(true)
    end

    it "should allow users to delete their own comment and publishes a message bus message" do
      sign_in(comment.user)

      message =
        MessageBus
          .track_publish("/topic/#{comment.post.topic_id}") do
            delete "/post_voting/comments.json", params: { comment_id: comment.id }

            expect(response.status).to eq(200)
          end
          .first

      expect(message.data[:id]).to eq(comment.post_id)
      expect(message.data[:comment_id]).to eq(comment.id)
      expect(message.data[:comments_count]).to eq(2)

      expect(
        PostVotingComment
          .with_deleted
          .where("deleted_at IS NOT NULL AND id = ?", comment.id)
          .exists?,
      ).to eq(true)
    end
  end
end