discourse/spec/lib/onebox/engine/youtube_onebox_spec.rb

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# frozen_string_literal: true
RSpec.describe Onebox::Engine::YoutubeOnebox do
before do
stub_request(:get, "https://www.youtube.com/watch?feature=player_embedded&v=21Lk4YiASMo").to_return(status: 200, body: onebox_response("youtube"))
stub_request(:get, "https://youtu.be/21Lk4YiASMo").to_return(status: 200, body: onebox_response("youtube"))
stub_request(:get, "https://www.youtube.com/embed/21Lk4YiASMo").to_return(status: 200, body: onebox_response("youtube"))
stub_request(:get, "http://www.youtube.com/watch?v=21Lk4YiASMo").to_return(status: 200, body: onebox_response("youtube"))
stub_request(:get, "https://www.youtube.com/watch?v=21Lk4YiASMo").to_return(status: 200, body: onebox_response("youtube"))
stub_request(:get, "https://www.youtube.com/channel/UCL8ZULXASCc1I_oaOT0NaOQ").to_return(status: 200, body: onebox_response("youtube-channel"))
stub_request(:get, "http://www.youtube.com/user/googlechrome").to_return(status: 200, body: onebox_response("youtube-channel"))
stub_request(:get, "https://www.youtube.com/playlist?list=PL5308B2E5749D1696").to_return(status: 200, body: onebox_response("youtube-playlist"))
stub_request(:get, "https://www.youtube.com/embed/KCyIfcevExE").to_return(status: 200, body: onebox_response("youtube-embed"))
stub_request(:get, "https://www.youtube.com/embed/VvoFuaLAslw").to_return(status: 200, body: onebox_response("youtube-shorts"))
end
it "adds wmode=opaque" do
expect(Onebox.preview('https://www.youtube.com/watch?v=21Lk4YiASMo').to_s).to match(/wmode=opaque/)
end
it "rewrites URLs for videos to be HTTPS" do
# match: plain HTTP and protocol agnostic
regex = /(http:|["']\/\/)/
expect(Onebox.preview('https://www.youtube.com/watch?v=21Lk4YiASMo').to_s).not_to match(regex)
expect(Onebox.preview('https://www.youtube.com/watch?v=21Lk4YiASMo').placeholder_html).not_to match(regex)
expect(Onebox.preview('https://www.youtube.com/channel/UCL8ZULXASCc1I_oaOT0NaOQ').to_s).not_to match(regex)
end
it "can onebox a channel page" do
expect(Onebox.preview('https://www.youtube.com/channel/UCL8ZULXASCc1I_oaOT0NaOQ').to_s).to match(/Google Chrome/)
end
it "can onebox a playlist" do
expect(Onebox.preview('https://www.youtube.com/playlist?list=PL5308B2E5749D1696').to_s).to match(/iframe/)
placeholder_html = Onebox.preview('https://www.youtube.com/playlist?list=PL5308B2E5749D1696').placeholder_html
expect(placeholder_html).to match(/<img/)
expect(placeholder_html).to include("The web is what you make of it")
end
it "does not make HTTP requests unless necessary" do
# We haven't defined any fixture for requests associated with this ID, so if
# any HTTP requests are made webmock will complain and the test will fail.
Onebox.preview('http://www.youtube.com/watch?v=q39Ce3zDScI').to_s
end
it "does not fail if we cannot get the video ID from the URL" do
expect(Onebox.preview('http://www.youtube.com/watch?feature=player_embedded&v=21Lk4YiASMo').to_s).to match(/embed/)
end
it "returns an image as the placeholder" do
expect(Onebox.preview('https://www.youtube.com/watch?v=21Lk4YiASMo').placeholder_html).to match(/<img/)
expect(Onebox.preview('https://youtu.be/21Lk4YiASMo').placeholder_html).to match(/<img/)
end
it "passes the playlist ID through" do
expect(Onebox.preview('https://www.youtube.com/watch?v=21Lk4YiASMo&list=UUQau-O2C0kGJpR3_CHBTGbw&index=1').to_s).to match(/UUQau-O2C0kGJpR3_CHBTGbw/)
end
it "filters out nonsense parameters" do
expect(Onebox.preview('https://www.youtube.com/watch?v=21Lk4YiASMo&potential[]=exploit&potential[]=fun').to_s).not_to match(/potential|exploit|fun/)
end
it "ignores video_id with unacceptable characters" do
# (falls back to generic onebox)
Onebox::Engine::AllowlistedGenericOnebox.any_instance.stubs(:to_html).returns(+"allowlisted_html")
expect(Onebox.preview('https://www.youtube.com/watch?v=%3C%3E21Lk4YiASMo').to_s).to eq("allowlisted_html")
end
it "ignores list_id with unacceptable characters" do
# (falls back to video-only onebox)
expect(Onebox.preview('https://www.youtube.com/watch?v=21Lk4YiASMo&list=%3C%3EUUQau-O2C0kGJpR3_CHBTGbw').to_s).not_to include("UUQau-O2C0kGJpR3_CHBTGbw")
end
it "converts time strings into a &start= parameter" do
expect(Onebox.preview('https://www.youtube.com/watch?v=21Lk4YiASMo&start=3782').to_s).to match(/start=3782/)
expect(Onebox.preview('https://www.youtube.com/watch?start=1h3m2s&v=21Lk4YiASMo').to_s).to match(/start=3782/)
expect(Onebox.preview('https://www.youtube.com/watch?v=21Lk4YiASMo&t=1h3m2s').to_s).to match(/start=3782/)
expect(Onebox.preview('https://www.youtube.com/watch?v=21Lk4YiASMo&start=1h3m2s').to_s).to match(/start=3782/)
expect(Onebox.preview('https://www.youtube.com/watch?v=21Lk4YiASMo#t=1h3m2s').to_s).to match(/start=3782/)
end
it "allows both start and end" do
preview = expect(Onebox.preview('https://www.youtube.com/watch?v=21Lk4YiASMo&start=2m&end=3m').to_s)
preview.to match(/start=120/)
preview.to match(/end=180/)
end
it "permits looping videos" do
preview = expect(Onebox.preview('https://www.youtube.com/watch?v=21Lk4YiASMo&loop').to_s)
preview.to match(/loop=1/)
preview.to match(/playlist=21Lk4YiASMo/)
end
it "includes title in preview" do
expect(Onebox.preview("https://youtu.be/21Lk4YiASMo").placeholder_html).to include("96neko - orange")
end
it "can parse youtube embed results" do
preview = expect(Onebox.preview('https://www.youtube.com/watch?v=KCyIfcevExE').placeholder_html)
preview.to match(/Delvon/)
preview.to match(/hqdefault/)
end
it "can parse youtube shorts results" do
preview = expect(Onebox.preview('https://youtube.com/shorts/VvoFuaLAslw').placeholder_html)
preview.to match(/POMBO/)
preview.to match(/hqdefault/)
end
end