2019-04-30 08:27:42 +08:00
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# frozen_string_literal: true
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2017-07-22 03:29:04 +08:00
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require 'rails_helper'
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require_dependency 'retrieve_title'
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describe RetrieveTitle do
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context "extract_title" do
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it "will extract the value from the title tag" do
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title = RetrieveTitle.extract_title(
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"<html><title>My Cool Title</title></html>"
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)
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expect(title).to eq("My Cool Title")
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end
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it "will strip whitespace" do
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title = RetrieveTitle.extract_title(
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"<html><title> Another Title\n\n </title></html>"
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)
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expect(title).to eq("Another Title")
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end
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2017-08-03 02:27:21 +08:00
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it "will pick og:title if title is missing" do
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title = RetrieveTitle.extract_title(<<~HTML
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<html>
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<meta property="og:title" content="Good Title"
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</html>
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HTML
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)
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expect(title).to eq("Good Title")
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end
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2017-07-22 03:29:04 +08:00
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it "will prefer the title from an opengraph tag" do
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title = RetrieveTitle.extract_title(<<~HTML
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<html>
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2017-08-03 02:27:21 +08:00
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<title>Good Title</title>
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<meta property="og:title" content="Bad Title"
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2017-07-22 03:29:04 +08:00
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</html>
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HTML
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)
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expect(title).to eq("Good Title")
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end
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2017-09-28 21:29:50 +08:00
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it "will parse a YouTube url from javascript" do
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title = RetrieveTitle.extract_title(<<~HTML
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<html>
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<title>YouTube</title>
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<script>document.title = "Video Title";</script>
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</html>
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HTML
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)
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expect(title).to eq("Video Title")
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end
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2018-01-29 12:36:52 +08:00
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end
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context "crawl" do
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it "can properly extract a title from a url" do
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stub_request(:get, "https://brelksdjflaskfj.com/amazing")
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.to_return(status: 200, body: "<html><title>very amazing</title>")
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2017-09-28 21:29:50 +08:00
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2018-01-29 12:36:52 +08:00
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# we still resolve the IP address for every host
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IPSocket.stubs(:getaddress).returns('100.2.3.4')
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expect(RetrieveTitle.crawl("https://brelksdjflaskfj.com/amazing")).to eq("very amazing")
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end
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2017-07-22 03:29:04 +08:00
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end
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end
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