discourse/spec/requests/metadata_controller_spec.rb

# frozen_string_literal: true
# rubocop:disable Discourse/NoJsonParseResponse

require 'rails_helper'

RSpec.describe MetadataController do

  describe 'manifest.webmanifest' do
    before do
      SiteIconManager.enable
    end

    let(:upload) do
      UploadCreator.new(file_from_fixtures("smallest.png"), 'logo.png').create_for(Discourse.system_user.id)
    end

    it 'returns the right output' do
      title = 'MyApp'
      SiteSetting.title = title
      SiteSetting.manifest_icon = upload

      get "/manifest.webmanifest"
      expect(response.status).to eq(200)
      expect(response.media_type).to eq('application/manifest+json')
      expect(response.headers["Cache-Control"]).to eq('max-age=60, private')

      manifest = JSON.parse(response.body)

      expect(manifest["name"]).to eq(title)

      expect(manifest["icons"].first["src"]).to eq(
        UrlHelper.absolute(SiteSetting.site_manifest_icon_url)
      )
    end

    it 'can guess mime types' do
      upload = UploadCreator.new(file_from_fixtures("logo.jpg"), 'logo.jpg').create_for(Discourse.system_user.id)

      SiteSetting.manifest_icon = upload
      get "/manifest.webmanifest"

      expect(response.status).to eq(200)
      manifest = JSON.parse(response.body)
      expect(manifest["icons"].first["type"]).to eq("image/jpeg")
    end

    it 'defaults to png' do
      SiteSetting.manifest_icon = upload
      get "/manifest.webmanifest"
      expect(response.status).to eq(200)
      manifest = JSON.parse(response.body)
      expect(manifest["icons"].first["type"]).to eq("image/png")
    end

    it 'defaults to display standalone for Android' do
      get "/manifest.webmanifest", params: {}, headers: { 'USER-AGENT' => 'Mozilla/5.0 (Linux; Android 7.0; SM-G892A Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.87 Mobile Safari/537.36' }
      manifest = JSON.parse(response.body)
      expect(manifest["display"]).to eq("standalone")
    end

    it 'defaults to display standalone for iPhone' do
      get "/manifest.webmanifest", params: {}, headers: { 'USER-AGENT' => 'Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/604.1.38 (KHTML, like Gecko) Version/11.0 Mobile/15A372 Safari/604.1' }
      manifest = JSON.parse(response.body)
      expect(manifest["display"]).to eq("standalone")
    end

    it 'can be changed to display browser for iPhones using a site setting' do
      SiteSetting.pwa_display_browser_regex = "iPhone"

      get "/manifest.webmanifest", params: {}, headers: { 'USER-AGENT' => 'Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/604.1.38 (KHTML, like Gecko) Version/11.0 Mobile/15A372 Safari/604.1' }
      manifest = JSON.parse(response.body)
      expect(manifest["display"]).to eq("browser")
    end

    it 'uses the short_title if it is set' do
      title = 'FooBarBaz Forum'
      SiteSetting.title = title

      get "/manifest.webmanifest"
      expect(response.status).to eq(200)
      manifest = JSON.parse(response.body)
      expect(manifest["short_name"]).to eq("FooBarBaz")

      SiteSetting.short_title = "foo"

      get "/manifest.webmanifest"
      expect(response.status).to eq(200)
      manifest = JSON.parse(response.body)
      expect(manifest["short_name"]).to eq("foo")
    end

    it 'contains valid shortcuts by default' do
      get "/manifest.webmanifest"
      expect(response.status).to eq(200)
      manifest = JSON.parse(response.body)
      expect(manifest["shortcuts"].size).to be > 0
      expect { URI.parse(manifest["shortcuts"][0]["url"]) }.not_to raise_error
    end
  end

  describe 'opensearch.xml' do
    fab!(:upload) { Fabricate(:upload) }

    it 'returns the right output' do
      title = 'MyApp'
      SiteSetting.title = title
      SiteSetting.favicon = upload
      get "/opensearch.xml"

      expect(response.headers["Cache-Control"]).to eq('max-age=60, private')

      expect(response.status).to eq(200)
      expect(response.body).to include(title)
      expect(response.body).to include("/search?q={searchTerms}")
      expect(response.body).to include('image/png')
      expect(response.body).to include(UrlHelper.absolute(upload.url))
      expect(response.media_type).to eq('application/xml')
    end
  end

  describe '#app_association_android' do
    it 'returns 404 by default' do
      get "/.well-known/assetlinks.json"
      expect(response.status).to eq(404)
    end

    it 'returns the right output' do
      SiteSetting.app_association_android = <<~EOF
        [{
          "relation": ["delegate_permission/common.handle_all_urls"],
          "target" : { "namespace": "android_app", "package_name": "com.example.app",
                       "sha256_cert_fingerprints": ["hash_of_app_certificate"] }
        }]
      EOF
      get "/.well-known/assetlinks.json"

      expect(response.headers["Cache-Control"]).to eq('max-age=60, private')

      expect(response.status).to eq(200)
      expect(response.body).to include("hash_of_app_certificate")
      expect(response.body).to include("com.example.app")
      expect(response.media_type).to eq('application/json')
    end
  end

  describe '#app_association_ios' do
    it 'returns 404 by default' do
      get "/apple-app-site-association"
      expect(response.status).to eq(404)
    end

    it 'returns the right output' do
      SiteSetting.app_association_ios = <<~EOF
        {
          "applinks": {
            "apps": []
          }
        }
      EOF
      get "/apple-app-site-association"

      expect(response.status).to eq(200)
      expect(response.body).to include("applinks")
      expect(response.media_type).to eq('application/json')
      expect(response.headers["Cache-Control"]).to eq('max-age=60, private')

      get "/apple-app-site-association.json"
      expect(response.status).to eq(404)
    end
  end

end