# frozen_string_literal: true require "onebox/json_ld" RSpec.describe Onebox::JsonLd do it "logs warning and returns an empty hash if received json is invalid" do invalid_json = "{\"@type\":invalid-json}" doc = Nokogiri.HTML("<script type=\"application/ld+json\">#{invalid_json}</script>") Discourse.expects(:warn_exception).with( instance_of(JSON::ParserError), message: "Error parsing JSON-LD: #{invalid_json}", ) json_ld = described_class.new(doc) expect(json_ld.data).to eq({}) end it "returns an empty hash if there is no JSON-LD script tag" do doc = Nokogiri.HTML("<script type=\"something else\"></script>") json_ld = described_class.new(doc) expect(json_ld.data).to eq({}) end it "returns an empty hash if there is no JSON-LD data" do doc = Nokogiri.HTML("<script type=\"application/ld+json\"></script>") json_ld = described_class.new(doc) expect(json_ld.data).to eq({}) end it "returns an empty hash if the type of JSON-LD data is not Movie" do doc = Nokogiri.HTML( "<script type=\"application/ld+json\">{\"@type\":\"Something Else\",\"aggregateRating\":{\"@type\":\"AggregateRating\",\"ratingCount\":806928,\"bestRating\":10,\"worstRating\":1}}</script>", ) json_ld = described_class.new(doc) expect(json_ld.data).to eq({}) end it "correctly normalizes the properties" do doc = Nokogiri.HTML(onebox_response("imdb")) json_ld = described_class.new(doc) expect(json_ld.data).to eq(expected_movie_hash) end it "does not fail when there is more than one JSON-LD element" do doc = Nokogiri.HTML(onebox_response("imdb")) doc.css("body")[ 0 ] << "<script type=\"application/ld+json\">{\"@context\":\"http://schema.org\",\"@type\":\"WebPage\",\"url\":\"https:\/\/imdb.com\",\"description\":\"Movies\"}</script>" Discourse.expects(:warn_exception).never json_ld = described_class.new(doc) expect(json_ld.data).to eq(expected_movie_hash) end it "returns first supported type when JSON-LD is an array" do array_json = '<script type="application/ld+json">[{"@type": "Something Else"}, {"@context":"https://schema.org","@type":"Movie","url":"/title/tt2358891/","name":"La grande bellezza","alternateName":"The Great Beauty"}]</script>' doc = Nokogiri.HTML(array_json) json_ld = described_class.new(doc) expect(json_ld.data).to eq( { description: nil, duration: nil, genres: nil, image: nil, name: "La grande bellezza", rating: nil, }, ) end it "does not fail when JSON-LD returns an array with no supported types" do array_json = '<script type="application/ld+json">[{"@type": "Something Else"}, {"@context":"https://schema.org","@type":"Nothing"},{"@context":"https://schema.org"}]</script>' doc = Nokogiri.HTML(array_json) json_ld = described_class.new(doc) expect(json_ld.data).to eq({}) end private def expected_movie_hash { name: "Rudy", image: "https://m.media-amazon.com/images/M/MV5BZGUzMDU1YmQtMzBkOS00MTNmLTg5ZDQtZjY5Njk4Njk2MmRlXkEyXkFqcGdeQXVyNjc1NTYyMjg@._V1_.jpg", description: "Rudy has always been told that he was too small to play college football. But he is determined to overcome the odds and fulfill his dream of playing for Notre Dame.", rating: 7.5, genres: %w[Biography Drama Sport], duration: "01:54", } end end