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require 'thread'
require 'rack/mock'
require 'rack/session/pool'
describe Rack::Session::Pool do
session_key = Rack::Session::Pool::DEFAULT_OPTIONS[:key]
session_match = /#{session_key}=[0-9a-fA-F]+;/
incrementor = lambda do |env|
env["rack.session"]["counter"] ||= 0
env["rack.session"]["counter"] += 1
Rack::Response.new(env["rack.session"].inspect).to_a
end
session_id = lambda do |env|
Rack::Response.new(env["rack.session"].inspect).to_a
end
nothing = lambda do |env|
Rack::Response.new("Nothing").to_a
end
drop_session = lambda do |env|
env['rack.session.options'][:drop] = true
incrementor.call(env)
end
renew_session = lambda do |env|
env['rack.session.options'][:renew] = true
incrementor.call(env)
end
defer_session = lambda do |env|
env['rack.session.options'][:defer] = true
incrementor.call(env)
end
it "creates a new cookie" do
pool = Rack::Session::Pool.new(incrementor)
res = Rack::MockRequest.new(pool).get("/")
res["Set-Cookie"].should.match session_match
res.body.should.equal '{"counter"=>1}'
end
it "determines session from a cookie" do
pool = Rack::Session::Pool.new(incrementor)
req = Rack::MockRequest.new(pool)
cookie = req.get("/")["Set-Cookie"]
req.get("/", "HTTP_COOKIE" => cookie).
body.should.equal '{"counter"=>2}'
req.get("/", "HTTP_COOKIE" => cookie).
body.should.equal '{"counter"=>3}'
end
it "survives nonexistant cookies" do
pool = Rack::Session::Pool.new(incrementor)
res = Rack::MockRequest.new(pool).
get("/", "HTTP_COOKIE" => "#{session_key}=blarghfasel")
res.body.should.equal '{"counter"=>1}'
end
it "does not send the same session id if it did not change" do
pool = Rack::Session::Pool.new(incrementor)
req = Rack::MockRequest.new(pool)
res0 = req.get("/")
cookie = res0["Set-Cookie"][session_match]
res0.body.should.equal '{"counter"=>1}'
pool.pool.size.should.equal 1
res1 = req.get("/", "HTTP_COOKIE" => cookie)
res1["Set-Cookie"].should.be.nil
res1.body.should.equal '{"counter"=>2}'
pool.pool.size.should.equal 1
res2 = req.get("/", "HTTP_COOKIE" => cookie)
res2["Set-Cookie"].should.be.nil
res2.body.should.equal '{"counter"=>3}'
pool.pool.size.should.equal 1
end
it "deletes cookies with :drop option" do
pool = Rack::Session::Pool.new(incrementor)
req = Rack::MockRequest.new(pool)
drop = Rack::Utils::Context.new(pool, drop_session)
dreq = Rack::MockRequest.new(drop)
res1 = req.get("/")
session = (cookie = res1["Set-Cookie"])[session_match]
res1.body.should.equal '{"counter"=>1}'
pool.pool.size.should.equal 1
res2 = dreq.get("/", "HTTP_COOKIE" => cookie)
res2["Set-Cookie"].should.be.nil
res2.body.should.equal '{"counter"=>2}'
pool.pool.size.should.equal 0
res3 = req.get("/", "HTTP_COOKIE" => cookie)
res3["Set-Cookie"][session_match].should.not.equal session
res3.body.should.equal '{"counter"=>1}'
pool.pool.size.should.equal 1
end
it "provides new session id with :renew option" do
pool = Rack::Session::Pool.new(incrementor)
req = Rack::MockRequest.new(pool)
renew = Rack::Utils::Context.new(pool, renew_session)
rreq = Rack::MockRequest.new(renew)
res1 = req.get("/")
session = (cookie = res1["Set-Cookie"])[session_match]
res1.body.should.equal '{"counter"=>1}'
pool.pool.size.should.equal 1
res2 = rreq.get("/", "HTTP_COOKIE" => cookie)
new_cookie = res2["Set-Cookie"]
new_session = new_cookie[session_match]
new_session.should.not.equal session
res2.body.should.equal '{"counter"=>2}'
pool.pool.size.should.equal 1
res3 = req.get("/", "HTTP_COOKIE" => new_cookie)
res3.body.should.equal '{"counter"=>3}'
pool.pool.size.should.equal 1
res4 = req.get("/", "HTTP_COOKIE" => cookie)
res4.body.should.equal '{"counter"=>1}'
pool.pool.size.should.equal 2
end
it "omits cookie with :defer option" do
pool = Rack::Session::Pool.new(incrementor)
defer = Rack::Utils::Context.new(pool, defer_session)
dreq = Rack::MockRequest.new(defer)
res1 = dreq.get("/")
res1["Set-Cookie"].should.equal nil
res1.body.should.equal '{"counter"=>1}'
pool.pool.size.should.equal 1
end
# anyone know how to do this better?
it "should merge sessions when multithreaded" do
unless $DEBUG
1.should.equal 1
next
end
warn 'Running multithread tests for Session::Pool'
pool = Rack::Session::Pool.new(incrementor)
req = Rack::MockRequest.new(pool)
res = req.get('/')
res.body.should.equal '{"counter"=>1}'
cookie = res["Set-Cookie"]
sess_id = cookie[/#{pool.key}=([^,;]+)/,1]
delta_incrementor = lambda do |env|
# emulate disconjoinment of threading
env['rack.session'] = env['rack.session'].dup
Thread.stop
env['rack.session'][(Time.now.usec*rand).to_i] = true
incrementor.call(env)
end
tses = Rack::Utils::Context.new pool, delta_incrementor
treq = Rack::MockRequest.new(tses)
tnum = rand(7).to_i+5
r = Array.new(tnum) do
Thread.new(treq) do |run|
run.get('/', "HTTP_COOKIE" => cookie, 'rack.multithread' => true)
end
end.reverse.map{|t| t.run.join.value }
r.each do |resp|
resp['Set-Cookie'].should.equal cookie
resp.body.should.include '"counter"=>2'
end
session = pool.pool[sess_id]
session.size.should.equal tnum+1 # counter
session['counter'].should.equal 2 # meeeh
end
it "does not return a cookie if cookie was not read/written" do
app = Rack::Session::Pool.new(nothing)
res = Rack::MockRequest.new(app).get("/")
res["Set-Cookie"].should.be.nil
end
it "does not return a cookie if cookie was not written (only read)" do
app = Rack::Session::Pool.new(session_id)
res = Rack::MockRequest.new(app).get("/")
res["Set-Cookie"].should.be.nil
end
it "returns even if not read/written if :expire_after is set" do
app = Rack::Session::Pool.new(nothing, :expire_after => 3600)
res = Rack::MockRequest.new(app).get("/", 'rack.session' => {'not' => 'empty'})
res["Set-Cookie"].should.not.be.nil
end
it "returns no cookie if no data was written and no session was created previously, even if :expire_after is set" do
app = Rack::Session::Pool.new(nothing, :expire_after => 3600)
res = Rack::MockRequest.new(app).get("/")
res["Set-Cookie"].should.be.nil
end
end
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