discourse/spec/lib/oneboxer_spec.rb

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# frozen_string_literal: true
RSpec.describe Oneboxer do
def response(file)
file = File.join("spec", "fixtures", "onebox", "#{file}.response")
File.exist?(file) ? File.read(file) : ""
end
it "returns blank string for an invalid onebox" do
stub_request(:head, "http://boom.com")
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stub_request(:get, "http://boom.com").to_return(body: "")
expect(Oneboxer.preview("http://boom.com", invalidate_oneboxes: true)).to include("Sorry, we were unable to generate a preview for this web page")
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expect(Oneboxer.onebox("http://boom.com")).to eq("")
end
describe "#invalidate" do
let(:url) { "http://test.com" }
it "clears the cached preview for the onebox URL and the failed URL cache" do
Discourse.cache.write(Oneboxer.onebox_cache_key(url), "test")
Discourse.cache.write(Oneboxer.onebox_failed_cache_key(url), true)
Oneboxer.invalidate(url)
expect(Discourse.cache.read(Oneboxer.onebox_cache_key(url))).to eq(nil)
expect(Discourse.cache.read(Oneboxer.onebox_failed_cache_key(url))).to eq(nil)
end
end
describe "local oneboxes" do
def link(url)
url = "#{Discourse.base_url}#{url}"
%{<a href="#{url}">#{url}</a>}
end
def preview(url, user = nil, category = nil, topic = nil)
Oneboxer.preview("#{Discourse.base_url}#{url}",
user_id: user&.id,
category_id: category&.id,
topic_id: topic&.id).to_s
end
it "links to a topic/post" do
staff = Fabricate(:user)
Group[:staff].add(staff)
secured_category = Fabricate(:category)
secured_category.permissions = { staff: :full }
secured_category.save!
replier = Fabricate(:user)
public_post = Fabricate(:post, raw: "This post has an emoji :+1:")
public_topic = public_post.topic
public_reply = Fabricate(:post, topic: public_topic, post_number: 2, user: replier)
public_hidden = Fabricate(:post, topic: public_topic, post_number: 3, hidden: true)
public_moderator_action = Fabricate(:post, topic: public_topic, post_number: 4, user: staff, post_type: Post.types[:moderator_action])
user = public_post.user
public_category = public_topic.category
secured_topic = Fabricate(:topic, user: staff, category: secured_category)
secured_post = Fabricate(:post, user: staff, topic: secured_topic)
secured_reply = Fabricate(:post, user: staff, topic: secured_topic, post_number: 2)
expect(preview(public_topic.relative_url, user, public_category)).to include(public_topic.title)
onebox = preview(public_post.url, user, public_category)
expect(onebox).to include(public_topic.title)
expect(onebox).to include("/images/emoji/")
onebox = preview(public_reply.url, user, public_category)
expect(onebox).to include(public_reply.excerpt)
expect(onebox).to include(%{data-post="2"})
expect(onebox).to include(PrettyText.avatar_img(replier.avatar_template_url, "tiny"))
short_url = "#{Discourse.base_path}/t/#{public_topic.id}"
expect(preview(short_url, user, public_category)).to include(public_topic.title)
onebox = preview(public_moderator_action.url, user, public_category)
expect(onebox).to include(public_moderator_action.excerpt)
expect(onebox).to include(%{data-post="4"})
expect(onebox).to include(PrettyText.avatar_img(staff.avatar_template_url, "tiny"))
onebox = preview(public_reply.url, user, public_category, public_topic)
expect(onebox).not_to include(public_topic.title)
expect(onebox).to include(replier.avatar_template_url.sub("{size}", "40"))
expect(preview(public_hidden.url, user, public_category)).to match_html(link(public_hidden.url))
expect(preview(secured_topic.relative_url, user, public_category)).to match_html(link(secured_topic.relative_url))
expect(preview(secured_post.url, user, public_category)).to match_html(link(secured_post.url))
expect(preview(secured_reply.url, user, public_category)).to match_html(link(secured_reply.url))
expect(preview(public_topic.relative_url, user, secured_category)).to match_html(link(public_topic.relative_url))
expect(preview(public_reply.url, user, secured_category)).to match_html(link(public_reply.url))
expect(preview(secured_post.url, user, secured_category)).to match_html(link(secured_post.url))
expect(preview(secured_reply.url, user, secured_category)).to match_html(link(secured_reply.url))
expect(preview(public_topic.relative_url, staff, secured_category)).to include(public_topic.title)
expect(preview(public_post.url, staff, secured_category)).to include(public_topic.title)
expect(preview(public_reply.url, staff, secured_category)).to include(public_reply.excerpt)
expect(preview(public_hidden.url, staff, secured_category)).to match_html(link(public_hidden.url))
expect(preview(secured_topic.relative_url, staff, secured_category)).to include(secured_topic.title)
expect(preview(secured_post.url, staff, secured_category)).to include(secured_topic.title)
expect(preview(secured_reply.url, staff, secured_category)).to include(secured_reply.excerpt)
expect(preview(secured_reply.url, staff, secured_category, secured_topic)).not_to include(secured_topic.title)
end
it "links to an user profile" do
user = Fabricate(:user)
expect(preview("/u/does-not-exist")).to match_html(link("/u/does-not-exist"))
expect(preview("/u/#{user.username}")).to include(user.name)
end
it "should respect enable_names site setting" do
user = Fabricate(:user)
SiteSetting.enable_names = true
expect(preview("/u/#{user.username}")).to include(user.name)
SiteSetting.enable_names = false
expect(preview("/u/#{user.username}")).not_to include(user.name)
end
it "links to an upload" do
path = "/uploads/default/original/3X/e/8/e8fcfa624e4fb6623eea57f54941a58ba797f14d"
expect(preview("#{path}.pdf")).to match_html(link("#{path}.pdf"))
expect(preview("#{path}.MP3")).to include("<audio ")
expect(preview("#{path}.mov")).to include("<video ")
end
it "strips HTML from user profile location" do
user = Fabricate(:user)
profile = user.reload.user_profile
expect(preview("/u/#{user.username}")).not_to include("<span class=\"location\">")
profile.update!(
location: "<img src=x onerror=alert(document.domain)>",
)
expect(preview("/u/#{user.username}")).to include("<span class=\"location\">")
expect(preview("/u/#{user.username}")).not_to include("<img src=x")
profile.update!(
location: "Thunderland",
)
expect(preview("/u/#{user.username}")).to include("Thunderland")
end
end
describe ".onebox_raw" do
it "should escape the onebox URL before processing" do
post = Fabricate(:post, raw: Discourse.base_url + "/new?'class=black")
cpp = CookedPostProcessor.new(post, invalidate_oneboxes: true)
cpp.post_process_oneboxes
expect(cpp.html).to eq("<p><a href=\"#{Discourse.base_url}/new?%27class=black\">http://test.localhost/new?%27class=black</a></p>")
end
end
describe ".external_onebox" do
html = <<~HTML
<html>
<head>
<meta property="og:title" content="Cats">
<meta property="og:description" content="Meow">
</head>
<body>
<p>body</p>
</body>
<html>
HTML
context "with blacklisted domains" do
it "does not return a onebox if redirect uri final destination is in blacklist" do
SiteSetting.blocked_onebox_domains = "kitten.com"
stub_request(:get, "http://cat.com/meow").to_return(status: 301, body: "", headers: { "location" => "https://kitten.com" })
stub_request(:head, "http://cat.com/meow").to_return(status: 301, body: "", headers: { "location" => "https://kitten.com" })
stub_request(:get, "https://kitten.com").to_return(status: 200, body: html, headers: {})
stub_request(:head, "https://kitten.com").to_return(status: 200, body: "", headers: {})
result = Oneboxer.external_onebox("http://cat.com/meow")
expect(result[:onebox]).to be_empty
expect(result[:preview]).to be_empty
result = Oneboxer.external_onebox("http://kitten.com")
expect(result[:onebox]).to be_empty
expect(result[:preview]).to be_empty
end
it "does not return onebox if anything in the redirect chain is blocked" do
SiteSetting.blocked_onebox_domains = "middle.com"
stub_request(:get, "https://cat.com/start").to_return(status: 301, body: "a", headers: { "location" => "https://middle.com/midway" })
stub_request(:head, "https://cat.com/start").to_return(status: 301, body: "a", headers: { "location" => "https://middle.com/midway" })
stub_request(:head, "https://middle.com/midway").to_return(status: 301, body: "b", headers: { "location" => "https://cat.com/end" })
stub_request(:get, "https://cat.com/end").to_return(status: 200, body: html)
stub_request(:head, "https://cat.com/end").to_return(status: 200, body: "", headers: {})
result = Oneboxer.external_onebox("https://cat.com/start")
expect(result[:onebox]).to be_empty
expect(result[:preview]).to be_empty
end
it "does not return onebox if the Discourse-No-Onebox header == 1" do
stub_request(:get, "https://website.com/discourse-no-onebox")
.to_return(status: 200, body: "abc", headers: { "Discourse-No-Onebox" => "1" })
stub_request(:head, "https://website.com/discourse-no-onebox")
.to_return(status: 200, body: "", headers: { "Discourse-No-Onebox" => "1" })
result = Oneboxer.external_onebox("https://website.com/discourse-no-onebox")
expect(result[:onebox]).to be_empty
expect(result[:preview]).to be_empty
end
it "does not return onebox if the Discourse-No-Onebox header == 1 anywhere in the redirect chain" do
stub_request(:get, "https://website.com/redirect-no-onebox")
.to_return(status: 301, body: "", headers: { "Discourse-No-Onebox" => "1", "location" => "https://willneverreach.com" })
stub_request(:head, "https://website.com/redirect-no-onebox")
.to_return(status: 301, body: "", headers: { "Discourse-No-Onebox" => "1", "location" => "https://willneverreach.com" })
result = Oneboxer.external_onebox("https://website.com/redirect-no-onebox")
expect(result[:onebox]).to be_empty
expect(result[:preview]).to be_empty
stub_request(:get, "https://website.com/redirect")
.to_return(status: 301, body: "", headers: { "location" => "https://website.com/redirect/dont-onebox" })
stub_request(:head, "https://website.com/redirect")
.to_return(status: 301, body: "", headers: { "location" => "https://website.com/redirect/dont-onebox" })
stub_request(:get, "https://website.com/redirect/dont-onebox")
.to_return(status: 301, body: "", headers: { "Discourse-No-Onebox" => "1", "location" => "https://wontreachme.com" })
stub_request(:head, "https://website.com/redirect/dont-onebox")
.to_return(status: 301, body: "", headers: { "Discourse-No-Onebox" => "1", "location" => "https://wontreachme.com" })
result = Oneboxer.external_onebox("https://website.com/redirect")
expect(result[:onebox]).to be_empty
expect(result[:preview]).to be_empty
end
end
context "when block_onebox_on_redirect setting is enabled" do
before do
Discourse.cache.clear
SiteSetting.block_onebox_on_redirect = true
end
after do
FinalDestination.clear_https_cache!("redirects2.com")
FinalDestination.clear_https_cache!("redirects3.com")
FinalDestination.clear_https_cache!("redirects4.com")
end
it "doesn't return onebox if the URL redirects" do
stub_request(:head, "https://redirects2.com/full-onebox")
.to_return(
status: 301,
body: "",
headers: { "location" => "https://redirects2.com/real-full-onebox" }
)
stub_request(:get, "https://redirects2.com/full-onebox")
.to_return(
status: 301,
body: "",
headers: { "location" => "https://redirects2.com/real-full-onebox" }
)
result = Oneboxer.external_onebox("https://redirects2.com/full-onebox")
expect(result[:onebox]).to be_blank
end
it "allows an initial http -> https redirect if the redirect URL is identical to the original" do
stub_request(:get, "http://redirects3.com/full-onebox")
.to_return(
status: 301,
body: "",
headers: { "location" => "https://redirects3.com/full-onebox" }
)
stub_request(:head, "http://redirects3.com/full-onebox")
.to_return(
status: 301,
body: "",
headers: { "location" => "https://redirects3.com/full-onebox" }
)
stub_request(:get, "https://redirects3.com/full-onebox")
.to_return(
status: 200,
body: html
)
stub_request(:head, "https://redirects3.com/full-onebox")
.to_return(
status: 200,
body: "",
)
result = Oneboxer.external_onebox("http://redirects3.com/full-onebox")
onebox = result[:onebox]
expect(onebox).to include("https://redirects3.com/full-onebox")
expect(onebox).to include("Cats")
expect(onebox).to include("Meow")
end
it "doesn't allow an initial http -> https redirect if the redirect URL is different to the original" do
stub_request(:get, "http://redirects4.com/full-onebox")
.to_return(
status: 301,
body: "",
headers: { "location" => "https://redirects4.com/full-onebox/2" }
)
stub_request(:head, "http://redirects4.com/full-onebox")
.to_return(
status: 301,
body: "",
headers: { "location" => "https://redirects4.com/full-onebox/2" }
)
stub_request(:get, "https://redirects4.com/full-onebox")
.to_return(
status: 301,
body: "",
headers: { "location" => "https://redirects4.com/full-onebox/2" }
)
stub_request(:head, "https://redirects4.com/full-onebox")
.to_return(
status: 301,
body: "",
headers: { "location" => "https://redirects4.com/full-onebox/2" }
)
result = Oneboxer.external_onebox("http://redirects4.com/full-onebox")
expect(result[:onebox]).to be_blank
end
end
it "censors external oneboxes" do
Fabricate(:watched_word, action: WatchedWord.actions[:censor], word: "bad word")
url = 'https://example.com/'
stub_request(:any, url).to_return(status: 200, body: <<~HTML, headers: {})
<html>
<head>
<meta property="og:title" content="title with bad word">
<meta property="og:description" content="description with bad word">
</head>
<body>
<p>content with bad word</p>
</body>
<html>
HTML
onebox = Oneboxer.external_onebox(url)
expect(onebox[:onebox]).to include('title with')
expect(onebox[:onebox]).not_to include('bad word')
expect(onebox[:preview]).to include('title with')
expect(onebox[:preview]).not_to include('bad word')
end
it "returns onebox" do
SiteSetting.blocked_onebox_domains = "not.me"
stub_request(:get, "https://its.me").to_return(status: 200, body: html)
stub_request(:head, "https://its.me").to_return(status: 200, body: "", headers: {})
expect(Oneboxer.external_onebox("https://its.me")[:onebox]).to be_present
end
end
it "uses the Onebox custom user agent on specified hosts" do
SiteSetting.force_custom_user_agent_hosts = "http://codepen.io|https://video.discourse.org/"
url = 'https://video.discourse.org/presentation.mp4'
stub_request(:head, url).to_return(status: 403, body: "", headers: {})
stub_request(:get, url).to_return(status: 403, body: "", headers: {})
stub_request(:head, url).with(headers: { "User-Agent" => Onebox.options.user_agent }).to_return(status: 200, body: "", headers: {})
stub_request(:get, url).with(headers: { "User-Agent" => Onebox.options.user_agent }).to_return(status: 200, body: "", headers: {})
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to be_present
end
context "with youtube stub" do
let(:html) do
<<~HTML
<html>
<head>
<meta property="og:title" content="Onebox1 - ceci n'est pas un titre">
<meta property="og:description" content="this is bodycontent">
<meta property="og:image" content="https://i.ytimg.com/vi/dQw4w9WgXcQ/maxresdefault.jpg">
</head>
<body>
<p>body</p>
</body>
<html>
HTML
end
before do
stub_request(:any, "https://www.youtube.com/watch?v=dQw4w9WgXcQ").to_return(status: 200, body: html)
stub_request(:any, "https://www.youtube.com/embed/dQw4w9WgXcQ").to_return(status: 403, body: nil)
end
it "allows restricting engines based on the allowed_onebox_iframes setting" do
output = Oneboxer.onebox("https://www.youtube.com/watch?v=dQw4w9WgXcQ", invalidate_oneboxes: true)
expect(output).to include("<iframe") # Regular youtube onebox
# Disable all onebox iframes:
SiteSetting.allowed_onebox_iframes = ""
output = Oneboxer.onebox("https://www.youtube.com/watch?v=dQw4w9WgXcQ", invalidate_oneboxes: true)
expect(output).not_to include("<iframe") # Generic onebox
expect(output).to include("allowlistedgeneric")
# Just enable youtube:
SiteSetting.allowed_onebox_iframes = "https://www.youtube.com"
output = Oneboxer.onebox("https://www.youtube.com/watch?v=dQw4w9WgXcQ", invalidate_oneboxes: true)
expect(output).to include("<iframe") # Regular youtube onebox
end
it "appropriately escapes youtube titles" do
preview = Oneboxer.preview("https://www.youtube.com/watch?v=dQw4w9WgXcQ", invalidate_oneboxes: true)
expect(preview).to include("ceci n'est pas un titre")
end
end
it "allows iframes from generic sites via the allowed_iframes setting" do
allowlisted_body = '<html><head><link rel="alternate" type="application/json+oembed" href="https://allowlist.ed/iframes.json" />'
blocklisted_body = '<html><head><link rel="alternate" type="application/json+oembed" href="https://blocklist.ed/iframes.json" />'
allowlisted_oembed = {
type: "rich",
height: "100",
html: "<iframe src='https://ifram.es/foo/bar'></iframe>"
}
blocklisted_oembed = {
type: "rich",
height: "100",
html: "<iframe src='https://malicious/discourse.org/'></iframe>"
}
stub_request(:any, "https://blocklist.ed/iframes").to_return(status: 200, body: blocklisted_body)
stub_request(:any, "https://blocklist.ed/iframes.json").to_return(status: 200, body: blocklisted_oembed.to_json)
stub_request(:any, "https://allowlist.ed/iframes").to_return(status: 200, body: allowlisted_body)
stub_request(:any, "https://allowlist.ed/iframes.json").to_return(status: 200, body: allowlisted_oembed.to_json)
SiteSetting.allowed_iframes = "discourse.org|https://ifram.es"
expect(Oneboxer.onebox("https://blocklist.ed/iframes", invalidate_oneboxes: true)).to be_empty
expect(Oneboxer.onebox("https://allowlist.ed/iframes", invalidate_oneboxes: true)).to match("iframe src")
end
describe 'missing attributes' do
before do
stub_request(:head, url)
end
let(:url) { "https://example.com/fake-url/" }
it 'handles a missing description' do
stub_request(:get, url).to_return(body: response("missing_description"))
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to include("could not be found: description")
end
it 'handles a missing description and image' do
stub_request(:get, url).to_return(body: response("missing_description_and_image"))
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to include("could not be found: description, image")
end
it 'handles a missing image' do
# Note: If the only error is a missing image, we shouldn't return an error
stub_request(:get, url).to_return(body: response("missing_image"))
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).not_to include("could not be found")
end
it 'video with missing description returns a placeholder' do
stub_request(:get, url).to_return(body: response("video_missing_description"))
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to include("onebox-placeholder-container")
end
end
describe 'instagram' do
it 'providing a token should attempt to use new endpoint' do
url = "https://www.instagram.com/p/CHLkBERAiLa"
access_token = 'abc123'
SiteSetting.facebook_app_access_token = access_token
stub_request(:head, url)
stub_request(:get, "https://graph.facebook.com/v9.0/instagram_oembed?url=#{url}&access_token=#{access_token}").to_return(body: response("instagram_new"))
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to include('placeholder-icon image')
end
it 'unconfigured token should attempt to use old endpoint' do
url = "https://www.instagram.com/p/CHLkBERAiLa"
stub_request(:head, url)
stub_request(:get, "https://api.instagram.com/oembed/?url=#{url}").to_return(body: response("instagram_old"))
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to include('placeholder-icon image')
end
it 'renders result using an iframe' do
url = "https://www.instagram.com/p/CHLkBERAiLa"
stub_request(:head, url)
stub_request(:get, "https://api.instagram.com/oembed/?url=#{url}").to_return(body: response("instagram_old"))
expect(Oneboxer.onebox(url, invalidate_oneboxes: true)).to include('iframe')
end
end
describe 'Twitter' do
let(:url) { 'https://twitter.com/discourse/status/1428031057186627589' }
before do
SiteSetting.twitter_consumer_key = 'twitter_consumer_key'
SiteSetting.twitter_consumer_secret = 'twitter_consumer_secret'
end
it 'works with rate limit' do
stub_request(:head, "https://twitter.com/discourse/status/1428031057186627589")
.to_return(status: 200, body: "", headers: {})
stub_request(:get, "https://twitter.com/discourse/status/1428031057186627589")
.to_return(status: 200, body: "", headers: {})
stub_request(:post, "https://api.twitter.com/oauth2/token")
.to_return(status: 200, body: "{access_token: 'token'}", headers: {})
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to eq('')
expect(Oneboxer.onebox(url, invalidate_oneboxes: true)).to eq('')
end
end
describe '#apply' do
it 'generates valid HTML' do
raw = "Before Onebox\nhttps://example.com\nAfter Onebox"
cooked = Oneboxer.apply(PrettyText.cook(raw)) { '<div>onebox</div>' }
doc = Nokogiri::HTML5::fragment(cooked.to_html)
expect(doc.to_html).to match_html <<~HTML
<p>Before Onebox</p>
<div>onebox</div>
<p>After Onebox</p>
HTML
raw = "Before Onebox\nhttps://example.com\nhttps://example.com\nAfter Onebox"
cooked = Oneboxer.apply(PrettyText.cook(raw)) { '<div>onebox</div>' }
doc = Nokogiri::HTML5::fragment(cooked.to_html)
expect(doc.to_html).to match_html <<~HTML
<p>Before Onebox</p>
<div>onebox</div>
<div>onebox</div>
<p>After Onebox</p>
HTML
end
it 'does keeps SVGs valid' do
raw = "Onebox\n\nhttps://example.com"
cooked = PrettyText.cook(raw)
cooked = Oneboxer.apply(Loofah.fragment(cooked)) { '<div><svg><path></path></svg></div>' }
doc = Nokogiri::HTML5::fragment(cooked.to_html)
expect(doc.to_html).to match_html <<~HTML
<p>Onebox</p>
<div><svg><path></path></svg></div>
HTML
end
end
describe '#force_get_hosts' do
before do
SiteSetting.cache_onebox_response_body_domains = "example.net|example.com|example.org"
end
it "includes Amazon sites" do
expect(Oneboxer.force_get_hosts).to include('https://www.amazon.ca')
end
it "includes cache_onebox_response_body_domains" do
expect(Oneboxer.force_get_hosts).to include('https://www.example.com')
end
end
describe 'strategies' do
it "has a 'default' strategy" do
expect(Oneboxer.strategies.keys.first).to eq(:default)
end
it "has a strategy with overrides" do
strategy = Oneboxer.strategies.keys[1]
expect(Oneboxer.strategies[strategy].keys).not_to eq([])
end
context "when using a non-default strategy" do
let(:hostname) { "my.interesting.site" }
let(:url) { "https://#{hostname}/cool/content" }
let(:html) do
<<~HTML
<html>
<head>
<meta property="og:title" content="Page Title">
<meta property="og:description" content="Here is some cool content">
</head>
<body>
<p>body</p>
</body>
<html>
HTML
end
before do
stub_request(:head, url).to_return(status: 509)
stub_request(:get, url).to_return(status: 200, body: html)
end
after do
Oneboxer.clear_preferred_strategy!(hostname)
end
it "uses multiple strategies" do
default_ordered = Oneboxer.strategies.keys
custom_ordered = Oneboxer.ordered_strategies(hostname)
expect(custom_ordered).to eq(default_ordered)
expect(Oneboxer.preferred_strategy(hostname)).to eq(nil)
expect(Oneboxer.preview(url, invalidate_oneboxes: true)).to include("Here is some cool content")
custom_ordered = Oneboxer.ordered_strategies(hostname)
expect(custom_ordered.count).to eq(default_ordered.count)
expect(custom_ordered).not_to eq(default_ordered)
expect(Oneboxer.preferred_strategy(hostname)).not_to eq(:default)
end
end
end
describe 'cache_onebox_response_body' do
let(:html) do
<<~HTML
<html>
<body>
<p>cache me if you can</p>
</body>
<html>
HTML
end
let(:url) { "https://www.example.com/my/great/content" }
let(:url2) { "https://www.example2.com/my/great/content" }
before do
stub_request(:any, url).to_return(status: 200, body: html)
stub_request(:any, url2).to_return(status: 200, body: html)
SiteSetting.cache_onebox_response_body = true
SiteSetting.cache_onebox_response_body_domains = "example.net|example.com|example.org"
end
it "caches when domain matches" do
preview = Oneboxer.preview(url, invalidate_oneboxes: true)
expect(Oneboxer.cached_response_body_exists?(url)).to eq(true)
expect(Oneboxer.fetch_cached_response_body(url)).to eq(html)
end
it "ignores cache when domain not present" do
preview = Oneboxer.preview(url2, invalidate_oneboxes: true)
expect(Oneboxer.cached_response_body_exists?(url2)).to eq(false)
end
end
describe "register_local_handler" do
it "calls registered local handler" do
Oneboxer.register_local_handler('wizard') do |url, route|
'Custom Onebox for Wizard'
end
url = "#{Discourse.base_url}/wizard"
expect(Oneboxer.preview(url)).to eq('Custom Onebox for Wizard')
end
end
end