Prohlížeč zdrojového kódu

require "rails_helper"

RSpec.describe "Examples", type: :request do
  describe "GET /examples" do
    it "returns success" do
      get examples_path
      expect(response).to have_http_status(:success)
    end

    it "lists examples" do
      get examples_path
      expect(response.body).to include("Řadící algoritmy")
    end

    it "filters by tag" do
      get examples_path(tag: "algoritmy")
      expect(response.body).to include("Řadící algoritmy")
    end
  end

  describe "GET /examples/:slug" do
    it "returns success for valid slug" do
      get example_path(slug: "sorting_algorithms")
      expect(response).to have_http_status(:success)
    end

    it "shows the example title" do
      get example_path(slug: "sorting_algorithms")
      expect(response.body).to include("Řadící algoritmy")
    end

    it "shows syntax-highlighted code" do
      get example_path(slug: "sorting_algorithms")
      expect(response.body).to include('<span class="k">')
    end

    it "returns 404 for unknown slug" do
      get example_path(slug: "nonexistent")
      expect(response).to have_http_status(:not_found)
    end
  end

  describe "POST /examples/:slug/run_scenario" do
    it "runs a scenario and returns result" do
      post run_scenario_example_path(slug: "sorting_algorithms"),
        params: {
          scenario_index: 0,
          inputs: {
            algorithm: "bubble_sort",
            dataset: "[5, 3, 8, 1, 9, 2]"
          }
        }
      expect(response).to have_http_status(:success)
      expect(response.body).to include("bubble_sort")
    end

    it "rejects invalid scenario index" do
      post run_scenario_example_path(slug: "sorting_algorithms"),
        params: { scenario_index: 99, inputs: {} }
      expect(response).to have_http_status(:unprocessable_content)
    end

    it "rejects tampered input values" do
      post run_scenario_example_path(slug: "sorting_algorithms"),
        params: {
          scenario_index: 0,
          inputs: {
            algorithm: "evil_code",
            dataset: "[5, 3, 8, 1, 9, 2]"
          }
        }
      expect(response).to have_http_status(:unprocessable_content)
    end
  end
end