discourse-ai/spec/lib/modules/embeddings/semantic_related_spec.rb

# frozen_string_literal: true

require "rails_helper"

describe DiscourseAi::Embeddings::SemanticRelated do
  fab!(:target) { Fabricate(:topic) }
  fab!(:normal_topic_1) { Fabricate(:topic) }
  fab!(:normal_topic_2) { Fabricate(:topic) }
  fab!(:normal_topic_3) { Fabricate(:topic) }
  fab!(:unlisted_topic) { Fabricate(:topic, visible: false) }
  fab!(:private_topic) { Fabricate(:private_message_topic) }
  fab!(:secured_category) { Fabricate(:category, read_restricted: true) }
  fab!(:secured_category_topic) { Fabricate(:topic, category: secured_category) }
  fab!(:closed_topic) { Fabricate(:topic, closed: true) }

  before { SiteSetting.ai_embeddings_semantic_related_topics_enabled = true }

  describe "#candidates_for" do
    before do
      Discourse.cache.clear
      DiscourseAi::Embeddings::Topic
        .any_instance
        .expects(:symmetric_semantic_search)
        .returns(Topic.unscoped.order(id: :desc).limit(100).pluck(:id))
    end

    after { Discourse.cache.clear }

    it "returns the related topics without non public topics" do
      results = described_class.candidates_for(target).to_a
      expect(results).to include(normal_topic_1)
      expect(results).to include(normal_topic_2)
      expect(results).to include(normal_topic_3)
      expect(results).to include(closed_topic)
      expect(results).to_not include(target)
      expect(results).to_not include(unlisted_topic)
      expect(results).to_not include(private_topic)
      expect(results).to_not include(secured_category_topic)
    end

    context "when ai_embeddings_semantic_related_include_closed_topics is false" do
      before { SiteSetting.ai_embeddings_semantic_related_include_closed_topics = false }
      it "do not return closed topics" do
        results = described_class.candidates_for(target).to_a
        expect(results).to_not include(closed_topic)
      end
    end
  end
end