discourse/spec/components/hijack_spec.rb

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require 'rails_helper'
describe Hijack do
class Hijack::Tester < ApplicationController
attr_reader :io
include Hijack
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def initialize(env = {})
@io = StringIO.new
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env.merge!(
"rack.hijack" => lambda { @io },
"rack.input" => StringIO.new
)
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self.request = ActionController::TestRequest.new(env, nil, nil)
# we need this for the 418
self.response = ActionDispatch::Response.new
end
def hijack_test(&blk)
hijack(&blk)
end
end
let :tester do
Hijack::Tester.new
end
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context "Request Tracker integration" do
let :logger do
lambda do |env, data|
@calls += 1
@status = data[:status]
@total = data[:timing][:total_duration]
end
end
before do
Middleware::RequestTracker.register_detailed_request_logger logger
@calls = 0
end
after do
Middleware::RequestTracker.unregister_detailed_request_logger logger
end
it "can properly track execution" do
app = lambda do |env|
tester = Hijack::Tester.new(env)
tester.hijack_test do
render body: "hello", status: 201
end
end
env = {}
middleware = Middleware::RequestTracker.new(app)
middleware.call(env)
expect(@calls).to eq(1)
expect(@status).to eq(201)
expect(@status).to be > 0
end
end
it "dupes the request params and env" do
orig_req = tester.request
copy_req = nil
tester.hijack_test do
copy_req = request
render body: "hello world", status: 200
end
expect(copy_req.object_id).not_to eq(orig_req.object_id)
end
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it "handles cors" do
SiteSetting.cors_origins = "www.rainbows.com"
app = lambda do |env|
tester = Hijack::Tester.new(env)
tester.hijack_test do
render body: "hello", status: 201
end
expect(tester.io.string).to include("Access-Control-Allow-Origin: www.rainbows.com")
end
env = {}
middleware = Discourse::Cors.new(app)
middleware.call(env)
# it can do pre-flight
env = {
'REQUEST_METHOD' => 'OPTIONS',
'HTTP_ACCESS_CONTROL_REQUEST_METHOD' => 'GET'
}
status, headers, _body = middleware.call(env)
expect(status).to eq(200)
expected = {
"Access-Control-Allow-Origin" => "www.rainbows.com",
"Access-Control-Allow-Headers" => "X-Requested-With, X-CSRF-Token, Discourse-Visible",
"Access-Control-Allow-Credentials" => "true"
}
expect(headers).to eq(expected)
end
it "handles transfers headers" do
tester.response.headers["Hello-World"] = "sam"
tester.hijack_test do
expires_in 1.year
render body: "hello world", status: 402
end
expect(tester.io.string).to include("Hello-World: sam")
end
it "handles expires_in" do
tester.hijack_test do
expires_in 1.year
render body: "hello world", status: 402
end
expect(tester.io.string).to include("max-age=31556952")
end
it "renders non 200 status if asked for" do
tester.hijack_test do
render body: "hello world", status: 402
end
expect(tester.io.string).to include("402")
expect(tester.io.string).to include("world")
end
it "handles send_file correctly" do
tester.hijack_test do
send_file __FILE__, disposition: nil
end
expect(tester.io.string).to start_with("HTTP/1.1 200")
end
it "renders a redirect correctly" do
Process.stubs(:clock_gettime).returns(1.0)
tester.hijack_test do
Process.stubs(:clock_gettime).returns(2.0)
redirect_to 'http://awesome.com'
end
result = "HTTP/1.1 302 Found\r\nLocation: http://awesome.com\r\nContent-Type: text/html; charset=utf-8\r\nContent-Length: 84\r\nConnection: close\r\nX-Runtime: 1.000000\r\n\r\n<html><body>You are being <a href=\"http://awesome.com\">redirected</a>.</body></html>"
expect(tester.io.string).to eq(result)
end
it "renders stuff correctly if is empty" do
Process.stubs(:clock_gettime).returns(1.0)
tester.hijack_test do
Process.stubs(:clock_gettime).returns(2.0)
render body: nil
end
result = "HTTP/1.1 200 OK\r\nContent-Type: text/plain; charset=utf-8\r\nContent-Length: 0\r\nConnection: close\r\nX-Runtime: 1.000000\r\n\r\n"
expect(tester.io.string).to eq(result)
end
it "renders stuff correctly if it works" do
Process.stubs(:clock_gettime).returns(1.0)
tester.hijack_test do
Process.stubs(:clock_gettime).returns(2.0)
render plain: "hello world"
end
result = "HTTP/1.1 200 OK\r\nContent-Type: text/plain; charset=utf-8\r\nContent-Length: 11\r\nConnection: close\r\nX-Runtime: 1.000000\r\n\r\nhello world"
expect(tester.io.string).to eq(result)
end
it "returns 500 by default" do
Process.stubs(:clock_gettime).returns(1.0)
tester.hijack_test
expected = "HTTP/1.1 500 Internal Server Error\r\nContent-Type: text/html; charset=utf-8\r\nContent-Length: 0\r\nConnection: close\r\nX-Runtime: 0.000000\r\n\r\n"
expect(tester.io.string).to eq(expected)
end
it "does not run the block if io is closed" do
tester.io.close
ran = false
tester.hijack_test do
ran = true
end
expect(ran).to eq(false)
end
end