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- require 'rails_helper'
-
- RSpec.describe LinkDetailsExtractor do
- let(:original_url) { '' }
- let(:html) { '' }
- let(:html_charset) { nil }
-
- subject { described_class.new(original_url, html, html_charset) }
-
- describe '#canonical_url' do
- let(:original_url) { 'https://foo.com/article?bar=baz123' }
-
- context 'when canonical URL points to another host' do
- let(:html) { '<!doctype html><link rel="canonical" href="https://bar.com/different-article" />' }
-
- it 'ignores the canonical URLs' do
- expect(subject.canonical_url).to eq original_url
- end
- end
-
- context 'when canonical URL points to the same host' do
- let(:html) { '<!doctype html><link rel="canonical" href="https://foo.com/article" />' }
-
- it 'ignores the canonical URLs' do
- expect(subject.canonical_url).to eq 'https://foo.com/article'
- end
- end
-
- context 'when canonical URL is set to "null"' do
- let(:html) { '<!doctype html><link rel="canonical" href="null" />' }
-
- it 'ignores the canonical URLs' do
- expect(subject.canonical_url).to eq original_url
- end
- end
- end
-
- context 'when structured data is present' do
- let(:original_url) { 'https://example.com/page.html' }
-
- context 'and is wrapped in CDATA tags' do
- let(:html) { <<-HTML }
- <!doctype html>
- <html>
- <head>
- <script type="application/ld+json">
- //<![CDATA[
- {"@context":"http://schema.org","@type":"NewsArticle","mainEntityOfPage":"https://example.com/page.html","headline":"Foo","datePublished":"2022-01-31T19:53:00+00:00","url":"https://example.com/page.html","description":"Bar","author":{"@type":"Person","name":"Hoge"},"publisher":{"@type":"Organization","name":"Baz"}}
- //]]>
- </script>
- </head>
- </html>
- HTML
-
- describe '#title' do
- it 'returns the title from structured data' do
- expect(subject.title).to eq 'Foo'
- end
- end
-
- describe '#description' do
- it 'returns the description from structured data' do
- expect(subject.description).to eq 'Bar'
- end
- end
-
- describe '#provider_name' do
- it 'returns the provider name from structured data' do
- expect(subject.provider_name).to eq 'Baz'
- end
- end
-
- describe '#author_name' do
- it 'returns the author name from structured data' do
- expect(subject.author_name).to eq 'Hoge'
- end
- end
- end
-
- context 'but the first tag is invalid JSON' do
- let(:html) { <<-HTML }
- <!doctype html>
- <html>
- <body>
- <script type="application/ld+json">
- {
- "@context":"https://schema.org",
- "@type":"ItemList",
- "url":"https://example.com/page.html",
- "name":"Foo",
- "description":"Bar"
- },
- {
- "@context": "https://schema.org",
- "@type": "BreadcrumbList",
- "itemListElement":[
- {
- "@type":"ListItem",
- "position":1,
- "item":{
- "@id":"https://www.example.com",
- "name":"Baz"
- }
- }
- ]
- }
- </script>
- <script type="application/ld+json">
- {
- "@context":"https://schema.org",
- "@type":"NewsArticle",
- "mainEntityOfPage": {
- "@type":"WebPage",
- "@id": "http://example.com/page.html"
- },
- "headline": "Foo",
- "description": "Bar",
- "datePublished": "2022-01-31T19:46:00+00:00",
- "author": {
- "@type": "Organization",
- "name": "Hoge"
- },
- "publisher": {
- "@type": "NewsMediaOrganization",
- "name":"Baz",
- "url":"https://example.com/"
- }
- }
- </script>
- </body>
- </html>
- HTML
-
- describe '#title' do
- it 'returns the title from structured data' do
- expect(subject.title).to eq 'Foo'
- end
- end
-
- describe '#description' do
- it 'returns the description from structured data' do
- expect(subject.description).to eq 'Bar'
- end
- end
-
- describe '#provider_name' do
- it 'returns the provider name from structured data' do
- expect(subject.provider_name).to eq 'Baz'
- end
- end
-
- describe '#author_name' do
- it 'returns the author name from structured data' do
- expect(subject.author_name).to eq 'Hoge'
- end
- end
- end
- end
- end
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