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require 'rack/cascade'
require 'rack/file'
require 'rack/urlmap'
require 'rack/mock'
describe Rack::Cascade do
docroot = File.expand_path(File.dirname(__FILE__))
app1 = Rack::File.new(docroot)
app2 = Rack::URLMap.new("/crash" => lambda { |env| raise "boom" })
app3 = Rack::URLMap.new("/foo" => lambda { |env|
[200, { "Content-Type" => "text/plain"}, [""]]})
should "dispatch onward on 404 by default" do
cascade = Rack::Cascade.new([app1, app2, app3])
Rack::MockRequest.new(cascade).get("/cgi/test").should.be.ok
Rack::MockRequest.new(cascade).get("/foo").should.be.ok
Rack::MockRequest.new(cascade).get("/toobad").should.be.not_found
Rack::MockRequest.new(cascade).get("/cgi/../bla").should.be.forbidden
end
should "dispatch onward on whatever is passed" do
cascade = Rack::Cascade.new([app1, app2, app3], [404, 403])
Rack::MockRequest.new(cascade).get("/cgi/../bla").should.be.not_found
end
should "return 404 if empty" do
Rack::MockRequest.new(Rack::Cascade.new([])).get('/').should.be.not_found
end
should "append new app" do
cascade = Rack::Cascade.new([], [404, 403])
Rack::MockRequest.new(cascade).get('/').should.be.not_found
cascade << app2
Rack::MockRequest.new(cascade).get('/cgi/test').should.be.not_found
Rack::MockRequest.new(cascade).get('/cgi/../bla').should.be.not_found
cascade << app1
Rack::MockRequest.new(cascade).get('/cgi/test').should.be.ok
Rack::MockRequest.new(cascade).get('/cgi/../bla').should.be.forbidden
Rack::MockRequest.new(cascade).get('/foo').should.be.not_found
cascade << app3
Rack::MockRequest.new(cascade).get('/foo').should.be.ok
end
should "close the body on cascade" do
body = StringIO.new
closer = lambda { |env| [404, {}, body] }
cascade = Rack::Cascade.new([closer, app3], [404])
Rack::MockRequest.new(cascade).get("/foo").should.be.ok
body.should.be.closed
end
end
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