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177 lines
8.3 KiB
Ruby
177 lines
8.3 KiB
Ruby
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# frozen_string_literal: true
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require "rails_helper"
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RSpec.describe Onebox::Helpers do
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describe '.blank?' do
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it { expect(described_class.blank?("")).to be(true) }
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it { expect(described_class.blank?(" ")).to be(true) }
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it { expect(described_class.blank?("test")).to be(false) }
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it { expect(described_class.blank?(["test", "testing"])).to be(false) }
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it { expect(described_class.blank?([])).to be(true) }
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it { expect(described_class.blank?({})).to be(true) }
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it { expect(described_class.blank?(nil)).to be(true) }
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it { expect(described_class.blank?(true)).to be(false) }
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it { expect(described_class.blank?(false)).to be(true) }
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it { expect(described_class.blank?(a: 'test')).to be(false) }
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end
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describe ".truncate" do
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let(:test_string) { "Chops off on spaces" }
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it { expect(described_class.truncate(test_string)).to eq(test_string) }
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it { expect(described_class.truncate(test_string, 5)).to eq("Chops...") }
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it { expect(described_class.truncate(test_string, 7)).to eq("Chops...") }
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it { expect(described_class.truncate(test_string, 9)).to eq("Chops off...") }
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it { expect(described_class.truncate(test_string, 10)).to eq("Chops off...") }
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it { expect(described_class.truncate(test_string, 100)).to eq("Chops off on spaces") }
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it { expect(described_class.truncate(" #{test_string} ", 6)).to eq(" Chops...") }
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end
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describe "fetch_response" do
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around do |example|
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previous_options = Onebox.options.to_h
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Onebox.options = { max_download_kb: 1 }
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stub_request(:get, "http://example.com/large-file").to_return(status: 200, body: onebox_response("slides"))
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example.run
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Onebox.options = previous_options
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end
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it "raises an exception when responses are larger than our limit" do
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expect {
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described_class.fetch_response('http://example.com/large-file')
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}.to raise_error(Onebox::Helpers::DownloadTooLarge)
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end
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end
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describe "fetch_html_doc" do
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it "can handle unicode URIs" do
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uri = 'https://www.reddit.com/r/UFOs/comments/k18ukd/𝗨𝗙𝗢_𝗱𝗿𝗼𝗽𝘀_𝗰𝗼𝘄_𝘁𝗵𝗿𝗼𝘂𝗴𝗵_𝗯𝗮𝗿𝗻_𝗿𝗼𝗼𝗳/'
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stub_request(:get, uri).to_return(status: 200, body: "<!DOCTYPE html><p>success</p>")
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expect(described_class.fetch_html_doc(uri).to_s).to match("success")
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end
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end
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describe "redirects" do
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describe "redirect limit" do
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before do
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codes = [301, 302, 303, 307, 308]
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(1..6).each do |i|
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code = codes.pop || 302
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stub_request(:get, "https://httpbin.org/redirect/#{i}")
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.to_return(status: code, body: "", headers: { location: "https://httpbin.org/redirect/#{i - 1}" })
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end
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stub_request(:get, "https://httpbin.org/redirect/0").to_return(status: 200, body: "<!DOCTYPE html><p>success</p>")
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end
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it "can follow redirects" do
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expect(described_class.fetch_response("https://httpbin.org/redirect/2")).to match("success")
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end
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it "errors on long redirect chains" do
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expect {
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described_class.fetch_response("https://httpbin.org/redirect/6")
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}.to raise_error(Net::HTTPError, /redirect too deep/)
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end
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end
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describe "cookie handling" do
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it "naively forwards cookies to the next request" do
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stub_request(:get, "https://httpbin.org/cookies/set/a/b").to_return(
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status: 302,
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headers: {
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location: "/cookies",
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"set-cookie": "a=b; Path=/",
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}
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)
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stub_request(:get, "https://httpbin.org/cookies")
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.with(headers: { cookie: "a=b; Path=/" })
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.to_return(status: 200, body: "success, cookie readback not implemented")
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expect(described_class.fetch_response('https://httpbin.org/cookies/set/a/b')).to match("success")
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end
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it "does not send cookies to the wrong domain" do
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skip("unimplemented")
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stub_request(:get, "https://httpbin.org/cookies/set/a/b").to_return(
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status: 302,
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headers: {
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location: "https://evil.com/show_cookies",
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"set-cookie": "a=b; Path=/",
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}
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)
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stub_request(:get, "https://evil.com/show_cookies")
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.with(headers: { cookie: nil })
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.to_return(status: 200, body: "success, cookie readback not implemented")
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described_class.fetch_response('https://httpbin.org/cookies/set/a/b')
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end
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end
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end
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describe "user_agent" do
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context "default" do
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it "has the default Discourse user agent" do
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stub_request(:get, "http://example.com/some-resource")
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.with(headers: { "user-agent" => /Discourse Forum Onebox/ })
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.to_return(status: 200, body: "test")
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described_class.fetch_response('http://example.com/some-resource')
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end
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end
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context "Custom option" do
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around do |example|
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previous_options = Onebox.options.to_h
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Onebox.options = { user_agent: "EvilTroutBot v0.1" }
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example.run
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Onebox.options = previous_options
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end
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it "has the custom user agent" do
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stub_request(:get, "http://example.com/some-resource")
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.with(headers: { "user-agent" => "EvilTroutBot v0.1" })
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.to_return(status: 200, body: "test")
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described_class.fetch_response('http://example.com/some-resource')
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end
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end
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end
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describe '.normalize_url_for_output' do
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it { expect(described_class.normalize_url_for_output('http://example.com/fo o')).to eq("http://example.com/fo%20o") }
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it { expect(described_class.normalize_url_for_output("http://example.com/fo'o")).to eq("http://example.com/fo'o") }
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it { expect(described_class.normalize_url_for_output('http://example.com/fo"o')).to eq("http://example.com/fo"o") }
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it { expect(described_class.normalize_url_for_output('http://example.com/fo<o>')).to eq("http://example.com/foo") }
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it { expect(described_class.normalize_url_for_output('http://example.com/d’écran-à')).to eq("http://example.com/d’écran-à") }
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it { expect(described_class.normalize_url_for_output('//example.com/hello')).to eq("//example.com/hello") }
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it { expect(described_class.normalize_url_for_output('example.com/hello')).to eq("") }
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it { expect(described_class.normalize_url_for_output('linear-gradient(310.77deg, #29AA9F 0%, #098EA6 100%)')).to eq("") }
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end
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describe '.uri_encode' do
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it { expect(described_class.uri_encode('http://example.com/f"o&o?[b"ar]')).to eq("http://example.com/f%22o&o?%5Bb%22ar%5D") }
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it { expect(described_class.uri_encode("http://example.com/f.o~o;?<ba'r>")).to eq("http://example.com/f.o~o;?%3Cba%27r%3E") }
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it { expect(described_class.uri_encode("http://example.com/<pa'th>(foo)?b+a+r")).to eq("http://example.com/%3Cpa'th%3E(foo)?b%2Ba%2Br") }
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it { expect(described_class.uri_encode("http://example.com/p,a:t!h-f$o@o*?b!a#r@")).to eq("http://example.com/p,a:t!h-f$o@o*?b%21a#r%40") }
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it { expect(described_class.uri_encode("http://example.com/path&foo?b'a<r>&qu(er)y=1")).to eq("http://example.com/path&foo?b%27a%3Cr%3E&qu%28er%29y=1") }
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it { expect(described_class.uri_encode("http://example.com/index&<script>alert('XSS');</script>")).to eq("http://example.com/index&%3Cscript%3Ealert('XSS');%3C/script%3E") }
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it { expect(described_class.uri_encode("http://example.com/index.html?message=<script>alert('XSS');</script>")).to eq("http://example.com/index.html?message=%3Cscript%3Ealert%28%27XSS%27%29%3B%3C%2Fscript%3E") }
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it { expect(described_class.uri_encode("http://example.com/index.php/<IFRAME SRC=source.com onload='alert(document.cookie)'></IFRAME>")).to eq("http://example.com/index.php/%3CIFRAME%20SRC=source.com%20onload='alert(document.cookie)'%3E%3C/IFRAME%3E") }
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it { expect(described_class.uri_encode("https://en.wiktionary.org/wiki/greengrocer%27s_apostrophe")).to eq("https://en.wiktionary.org/wiki/greengrocer%27s_apostrophe") }
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it { expect(described_class.uri_encode("https://example.com/random%2Bpath?q=random%2Bquery")).to eq("https://example.com/random%2Bpath?q=random%2Bquery") }
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it { expect(described_class.uri_encode("https://glitch.com/edit/#!/equinox-watch")).to eq("https://glitch.com/edit/#!/equinox-watch") }
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it { expect(described_class.uri_encode("https://gitpod.io/#https://github.com/eclipse-theia/theia")).to eq("https://gitpod.io/#https://github.com/eclipse-theia/theia") }
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end
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end
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