discourse/spec/lib/onebox/engine/amazon_onebox_spec.rb

# frozen_string_literal: true

RSpec.describe Onebox::Engine::AmazonOnebox do
  describe "regular amazon page" do
    before do
      @link = "https://www.amazon.com/Knit-Noro-Accessories-Colorful-Little/dp/193609620X"
      @uri = "https://www.amazon.com/dp/193609620X"

      stub_request(
        :get,
        "https://www.amazon.com/Seven-Languages-Weeks-Programming-Programmers/dp/193435659X",
      ).to_return(status: 200, body: onebox_response("amazon"))
    end

    include_context "with engines"
    it_behaves_like "an engine"

    describe "works with international domains" do
      def check_link(tdl, link)
        onebox_cls = Onebox::Matcher.new(link).oneboxed
        expect(onebox_cls).to_not be(nil)
        expect(onebox_cls.new(link).url).to include("https://www.amazon.#{tdl}")
      end

      it "matches canadian domains" do
        check_link(
          "ca",
          "https://www.amazon.ca/Too-Much-Happiness-Alice-Munro-ebook/dp/B0031TZ98K/",
        )
      end

      it "matches german domains" do
        check_link(
          "de",
          "https://www.amazon.de/Buddenbrooks-Verfall-einer-Familie-Roman/dp/3596294312/",
        )
      end

      it "matches uk domains" do
        check_link("co.uk", "https://www.amazon.co.uk/Pygmalion-George-Bernard-Shaw/dp/1420925237/")
      end

      it "matches japanese domains" do
        check_link(
          "co.jp",
          "https://www.amazon.co.jp/%E9%9B%AA%E5%9B%BD-%E6%96%B0%E6%BD%AE%E6%96%87%E5%BA%AB-%E3%81%8B-1-1-%E5%B7%9D%E7%AB%AF-%E5%BA%B7%E6%88%90/dp/4101001014/",
        )
      end

      it "matches chinese domains" do
        check_link(
          "cn",
          "https://www.amazon.cn/%E5%AD%99%E5%AD%90%E5%85%B5%E6%B3%95-%E5%AD%99%E8%86%91%E5%85%B5%E6%B3%95-%E5%AD%99%E6%AD%A6/dp/B0011C40FC/",
        )
      end

      it "matches french domains" do
        check_link(
          "fr",
          "https://www.amazon.fr/Les-Mots-autres-%C3%A9crits-autobiographiques/dp/2070114147/",
        )
      end

      it "matches italian domains" do
        check_link("it", "https://www.amazon.it/Tutte-poesie-Salvatore-Quasimodo/dp/8804520477/")
      end

      it "matches spanish domains" do
        check_link(
          "es",
          "https://www.amazon.es/familia-Pascual-Duarte-Camilo-Jos%C3%A9-ebook/dp/B00EJRTKTW/",
        )
      end

      it "matches brazilian domains" do
        check_link(
          "com.br",
          "https://www.amazon.com.br/A-p%C3%A1tria-chuteiras-Nelson-Rodrigues-ebook/dp/B00J2B414Y/",
        )
      end

      it "matches indian domains" do
        check_link("in", "https://www.amazon.in/Fireflies-Rabindranath-Tagore/dp/9381523169/")
      end

      it "matches mexican domains" do
        check_link(
          "com.mx",
          "https://www.amazon.com.mx/Legend-Zelda-Links-Awakening-Nintendo/dp/B07SG15148/",
        )
      end
    end

    describe "#url" do
      let(:long_url) do
        "https://www.amazon.ca/gp/product/B087Z3N428?pf_rd_r=SXABADD0ZZ3NF9Q5F8TW&pf_rd_p=05378fd5-c43e-4948-99b1-a65b129fdd73&pd_rd_r=0237fb28-7f47-49f4-986a-be0c78e52863&pd_rd_w=FfIoI&pd_rd_wg=Hw4qq&ref_=pd_gw_unk"
      end

      it "maintains the same http/https scheme as the requested URL" do
        expect(described_class.new("https://www.amazon.fr/gp/product/B01BYD0TZM").url).to eq(
          "https://www.amazon.fr/dp/B01BYD0TZM",
        )

        expect(described_class.new("http://www.amazon.fr/gp/product/B01BYD0TZM").url).to eq(
          "https://www.amazon.fr/dp/B01BYD0TZM",
        )
      end

      it "removes parameters from the URL" do
        expect(described_class.new(long_url).url).not_to include("?pf_rd_r")
      end
    end

    describe "#to_html" do
      it "includes image" do
        expect(html).to include(
          "https://images-na.ssl-images-amazon.com/images/I/51opYcR6kVL._SY400_.jpg",
        )
      end

      it "includes description" do
        expect(html).to include(
          "You should learn a programming language every year, as recommended by The Pragmatic Programmer.",
        )
      end

      it "includes price" do
        expect(html).to include("$21.11")
      end

      it "includes title" do
        expect(html).to include(
          "Seven Languages in Seven Weeks: A Pragmatic Guide to Learning Programming Languages (Pragmatic Programmers)",
        )
      end
    end
  end

  describe "amazon with opengraph" do
    let(:link) { "https://www.amazon.com/dp/B01MFXN4Y2" }
    let(:html) { described_class.new(link).to_html }

    before do
      stub_request(:get, "https://www.amazon.com/dp/B01MFXN4Y2").to_return(
        status: 200,
        body: onebox_response("amazon-og"),
      )

      stub_request(:get, "https://www.amazon.com/Christine-Rebecca-Hall/dp/B01MFXN4Y2").to_return(
        status: 200,
        body: onebox_response("amazon-og"),
      )
    end

    describe "#to_html" do
      it "includes image" do
        expect(html).to include(
          "https://images-na.ssl-images-amazon.com/images/I/51nOF2iBa6L._SX940_.jpg",
        )
      end

      it "includes description" do
        expect(html).to include(
          "CHRISTINE is the story of an aspiring newswoman caught in the midst of a personal and professional life crisis. Between unrequited love, frustration at work, a tumultuous home, and self-doubt; she begins to spiral down a dark path.",
        )
      end

      it "includes title" do
        expect(html).to include("Watch Christine online - Amazon Video")
      end
    end
  end

  describe "amazon book page" do
    let(:link) { "https://www.amazon.com/dp/B00AYQNR46" }
    let(:html) { described_class.new(link).to_html }

    before do
      stub_request(:get, "https://www.amazon.com/dp/B00AYQNR46").to_return(
        status: 200,
        body: onebox_response("amazon"),
      )

      stub_request(
        :get,
        "https://www.amazon.com/Seven-Languages-Weeks-Programming-Programmers/dp/193435659X",
      ).to_return(status: 200, body: onebox_response("amazon"))
    end

    describe "#to_html" do
      it "includes title and author" do
        expect(html).to include(
          "Seven Languages in Seven Weeks: A Pragmatic Guide to Learning Programming Languages (Pragmatic Programmers)",
        )
        expect(html).to include("Bruce Tate")
      end

      it "includes ISBN" do
        expect(html).to include("978-1934356593")
      end

      it "includes publisher" do
        expect(html).to include("Pragmatic Bookshelf")
      end
    end
  end

  describe "amazon ebook page" do
    let(:link) { "https://www.amazon.com/dp/193435659X" }
    let(:html) { described_class.new(link).to_html }

    before do
      stub_request(:get, "https://www.amazon.com/dp/193435659X").to_return(
        status: 200,
        body: onebox_response("amazon-ebook"),
      )

      stub_request(
        :get,
        "https://www.amazon.com/Seven-Languages-Weeks-Programming-Programmers-ebook/dp/B00AYQNR46",
      ).to_return(status: 200, body: onebox_response("amazon-ebook"))
    end

    describe "#to_html" do
      it "includes title and author" do
        expect(html).to include(
          "Seven Languages in Seven Weeks: A Pragmatic Guide to Learning Programming Languages (Pragmatic Programmers)",
        )
        expect(html).to include("Bruce Tate")
      end

      it "includes image" do
        expect(html).to include(
          "https://images-na.ssl-images-amazon.com/images/I/51LZT%2BtSrTL._SX133_.jpg",
        )
      end

      it "includes ASIN" do
        expect(html).to include("B00AYQNR46")
      end

      it "includes rating" do
        expect(html).to include("4.2 out of 5 stars")
      end

      it "includes publisher" do
        expect(html).to include("Pragmatic Bookshelf")
      end
    end
  end

  describe "non-standard response from Amazon" do
    let(:link) { "https://www.amazon.com/dp/B0123ABCD3210" }
    let(:onebox) { described_class.new(link) }

    before do
      stub_request(:get, "https://www.amazon.com/dp/B0123ABCD3210").to_return(
        status: 200,
        body: onebox_response("amazon-error"),
      )
    end

    it "returns a blank result" do
      expect(onebox.to_html).to eq("")
    end

    it "produces a placeholder" do
      expect(onebox.placeholder_html).to include(
        '<aside class="onebox amazon" data-onebox-src="https://www.amazon.com/dp/B0123ABCD3210">',
      )
    end

    it "returns errors" do
      onebox.to_html
      expect(onebox.errors).to eq({ title: ["is blank"], description: ["is blank"] })
    end
  end

  describe "alternate page layout response from Amazon" do
    let(:link) { "https://www.amazon.com/dp/B07FQ7M16H" }
    let(:html) { described_class.new(link).to_html }

    before do
      stub_request(:get, "https://www.amazon.com/dp/B07FQ7M16H").to_return(
        status: 200,
        body: onebox_response("amazon-alternate"),
      )

      stub_request(
        :get,
        "https://www.amazon.com/Lnchett-Nibbler-Quality-Attachment-Straight/dp/B07FQ7M16H",
      ).to_return(status: 200, body: onebox_response("amazon-alternate"))
    end

    describe "#to_html" do
      it "includes image" do
        expect(html).to include("https://m.media-amazon.com/images/I/71y4BRqNP7L._AC_SL1500_.jpg")
      end

      it "includes description" do
        expect(html).to include(
          "Drill Attachment for Straight Curve and Circle Cutting, Maximum 14 Gauge Steel",
        )
      end

      it "includes price" do
        expect(html).to include("$37.99")
      end

      it "includes title" do
        expect(html).to include("Quality Nibbler Drill Attachment...")
      end
    end
  end
end