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