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# frozen_string_literal: true
require 'rails_helper'
RSpec.describe LinkDetailsExtractor do
subject { described_class.new(original_url, html, html_charset) }
let(:original_url) { '' }
let(:html) { '' }
let(:html_charset) { nil }
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
|
