| 1 | # frozen_string_literal: true |
| 2 | |
| 3 | require "rails_helper" |
| 4 | |
| 5 | RSpec.describe OgImageService do |
| 6 | let(:user) { User.create!(smbcloud_id: 9001, email: "alice@example.com", username: "alice") } |
| 7 | let(:repo) do |
| 8 | user.repositories.create!( |
| 9 | name: "widget", description: "A tiny widget library.", |
| 10 | kind: "code", default_branch: "main", |
| 11 | disk_path: "/nonexistent/alice/widget.git", stars_count: 7 |
| 12 | ) |
| 13 | end |
| 14 | |
| 15 | it "builds a well-formed SVG with the repo name and owner" do |
| 16 | svg = described_class.send(:repository_svg, repo) |
| 17 | expect(svg).to start_with("<svg") |
| 18 | expect(svg).to include("@alice /") |
| 19 | expect(svg).to include("widget") |
| 20 | expect(svg).to include('width="1200"') |
| 21 | expect(svg).to include('height="630"') |
| 22 | end |
| 23 | |
| 24 | it "XML-escapes user-controlled text to prevent SVG injection" do |
| 25 | repo.name = %q{x"><script>alert(1)</script>} |
| 26 | repo.description = "evil & <b>markup</b>" |
| 27 | svg = described_class.send(:repository_svg, repo) |
| 28 | expect(svg).not_to include("<script>") |
| 29 | expect(svg).to include("<script>") |
| 30 | expect(svg).to include("&") |
| 31 | end |
| 32 | |
| 33 | it "builds the default card without a repository" do |
| 34 | svg = described_class.send(:default_svg) |
| 35 | expect(svg).to start_with("<svg") |
| 36 | expect(svg).to include("Git hosting for the AI era") |
| 37 | end |
| 38 | |
| 39 | it "renders PNG bytes, or raises a typed (catchable) error without libvips" do |
| 40 | png = described_class.render_default |
| 41 | expect(png).to start_with("\x89PNG".b) |
| 42 | rescue OgImageService::Error |
| 43 | # Graceful, controller-catchable failure on hosts without libvips/SVG support. |
| 44 | expect(true).to be(true) |
| 45 | end |
| 46 | end |