discourse/spec/requests/embed_controller_spec.rb

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# frozen_string_literal: true
require 'rails_helper'
describe EmbedController do
let(:embed_url) { "http://eviltrout.com/2013/02/10/why-discourse-uses-emberjs.html" }
let(:embed_url_secure) { "https://eviltrout.com/2013/02/10/why-discourse-uses-emberjs.html" }
let(:discourse_username) { "eviltrout" }
it "is 404 without an embed_url" do
get '/embed/comments'
expect(response.body).to match(I18n.t('embed.error'))
end
it "raises an error with a missing host" do
get '/embed/comments', params: { embed_url: embed_url }
expect(response.body).to match(I18n.t('embed.error'))
end
context "by topic id" do
let(:headers) { { 'REFERER' => 'http://eviltrout.com/some-page' } }
before do
Fabricate(:embeddable_host)
end
it "allows a topic to be embedded by id" do
topic = Fabricate(:topic)
get '/embed/comments', params: { topic_id: topic.id }, headers: headers
expect(response.status).to eq(200)
end
end
context "#info" do
context "without api key" do
it "fails" do
get '/embed/info.json'
expect(response.body).to match(I18n.t('embed.error'))
end
end
context "with api key" do
let(:api_key) { Fabricate(:api_key) }
context "with valid embed url" do
let(:topic_embed) { Fabricate(:topic_embed, embed_url: embed_url) }
it "returns information about the topic" do
get '/embed/info.json',
params: { embed_url: topic_embed.embed_url, api_key: api_key.key, api_username: "system" }
json = JSON.parse(response.body)
expect(json['topic_id']).to eq(topic_embed.topic.id)
expect(json['post_id']).to eq(topic_embed.post.id)
expect(json['topic_slug']).to eq(topic_embed.topic.slug)
end
end
context "without invalid embed url" do
it "returns error response" do
get '/embed/info.json',
params: { embed_url: "http://nope.com", api_key: api_key.key, api_username: "system" }
json = JSON.parse(response.body)
expect(json["error_type"]).to eq("not_found")
end
end
end
end
context "#topics" do
it "raises an error when not enabled" do
get '/embed/topics?embed_id=de-1234'
expect(response.status).to eq(400)
end
context "when enabled" do
before do
SiteSetting.embed_topics_list = true
end
it "raises an error with a weird id" do
get '/embed/topics?discourse_embed_id=../asdf/-1234', headers: headers
expect(response.status).to eq(400)
end
it "returns a list of topics" do
topic = Fabricate(:topic)
get '/embed/topics?discourse_embed_id=de-1234', headers: {
'REFERER' => 'https://example.com/evil-trout'
}
expect(response.status).to eq(200)
expect(response.headers['X-Frame-Options']).to eq("ALLOWALL")
expect(response.body).to match("data-embed-id=\"de-1234\"")
expect(response.body).to match("data-topic-id=\"#{topic.id}\"")
expect(response.body).to match("data-referer=\"https://example.com/evil-trout\"")
end
it "returns no referer if not supplied" do
get '/embed/topics?discourse_embed_id=de-1234'
expect(response.status).to eq(200)
expect(response.body).to match("data-referer=\"\"")
end
it "returns * for the referer if `embed_any_origin` is set" do
SiteSetting.embed_any_origin = true
get '/embed/topics?discourse_embed_id=de-1234'
expect(response.status).to eq(200)
expect(response.body).to match("data-referer=\"\\*\"")
end
end
end
context "with a host" do
let!(:embeddable_host) { Fabricate(:embeddable_host) }
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let(:headers) { { 'REFERER' => embed_url } }
before do
Jobs.run_immediately!
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end
it "raises an error with no referer" do
get '/embed/comments', params: { embed_url: embed_url }
expect(response.body).to match(I18n.t('embed.error'))
end
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it "includes CSS from embedded_scss field" do
theme = Fabricate(:theme)
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theme.set_default!
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ThemeField.create!(
theme_id: theme.id,
name: "embedded_scss",
target_id: 0,
type_id: 1,
value: ".test-osama-15 {\n" + " color: red;\n" + "}\n"
)
topic_embed = Fabricate(:topic_embed, embed_url: embed_url)
post = Fabricate(:post, topic: topic_embed.topic)
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get '/embed/comments', params: { embed_url: embed_url }, headers: headers
html = Nokogiri::HTML.fragment(response.body)
css_link = html.at("link[data-target=embedded_theme]").attribute("href").value
get css_link
expect(response.status).to eq(200)
expect(response.body).to include(".test-osama-15")
end
context "success" do
after do
expect(response.status).to eq(200)
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expect(response.headers['X-Frame-Options']).to eq("ALLOWALL")
end
it "tells the topic retriever to work when no previous embed is found" do
TopicEmbed.expects(:topic_id_for_embed).returns(nil)
retriever = mock
TopicRetriever.expects(:new).returns(retriever)
retriever.expects(:retrieve)
get '/embed/comments', params: { embed_url: embed_url }, headers: headers
end
it "displays the right view" do
topic_embed = Fabricate(:topic_embed, embed_url: embed_url)
get '/embed/comments', params: { embed_url: embed_url_secure }, headers: headers
expect(response.body).to match(I18n.t('embed.start_discussion'))
end
it "creates a topic view when a topic_id is found" do
topic_embed = Fabricate(:topic_embed, embed_url: embed_url)
post = Fabricate(:post, topic: topic_embed.topic)
get '/embed/comments', params: { embed_url: embed_url }, headers: headers
expect(response.body).to match(I18n.t('embed.continue'))
expect(response.body).to match(post.cooked)
end
it "provides the topic retriever with the discourse username when provided" do
retriever = mock
retriever.expects(:retrieve).returns(nil)
TopicRetriever.expects(:new)
.with(embed_url, has_entry(author_username: discourse_username))
.returns(retriever)
get '/embed/comments',
params: { embed_url: embed_url, discourse_username: discourse_username },
headers: headers
end
end
end
context "with multiple hosts" do
before do
Fabricate(:embeddable_host)
Fabricate(:embeddable_host, host: 'http://discourse.org')
Fabricate(:embeddable_host, host: 'https://example.com/1234', class_name: 'example')
end
context "success" do
it "works with the first host" do
get '/embed/comments',
params: { embed_url: embed_url },
headers: { 'REFERER' => "http://eviltrout.com/wat/1-2-3.html" }
expect(response.status).to eq(200)
end
it "works with the second host" do
get '/embed/comments',
params: { embed_url: embed_url },
headers: { 'REFERER' => "http://eviltrout.com/wat/1-2-3.html" }
expect(response.status).to eq(200)
end
it "works with a host with a path" do
get '/embed/comments',
params: { embed_url: embed_url },
headers: { 'REFERER' => "https://example.com/some-other-path" }
expect(response.status).to eq(200)
end
it "contains custom class name" do
get '/embed/comments',
params: { embed_url: embed_url },
headers: { 'REFERER' => "https://example.com/some-other-path" }
expect(response.body).to match('class="example"')
end
it "doesn't work with a made up host" do
get '/embed/comments',
params: { embed_url: embed_url },
headers: { 'REFERER' => "http://codinghorror.com/invalid-url" }
expect(response.body).to match(I18n.t('embed.error'))
end
end
end
end