JezK
Edit File: spec_rack_response.rb
require 'test/spec' require 'set' require 'rack/response' context "Rack::Response" do specify "has sensible default values" do response = Rack::Response.new status, header, body = response.finish status.should.equal 200 header.should.equal "Content-Type" => "text/html" body.each { |part| part.should.equal "" } response = Rack::Response.new status, header, body = *response status.should.equal 200 header.should.equal "Content-Type" => "text/html" body.each { |part| part.should.equal "" } end specify "can be written to" do response = Rack::Response.new status, header, body = response.finish do response.write "foo" response.write "bar" response.write "baz" end parts = [] body.each { |part| parts << part } parts.should.equal ["foo", "bar", "baz"] end specify "can set and read headers" do response = Rack::Response.new response["Content-Type"].should.equal "text/html" response["Content-Type"] = "text/plain" response["Content-Type"].should.equal "text/plain" end specify "can set cookies" do response = Rack::Response.new response.set_cookie "foo", "bar" response["Set-Cookie"].should.equal "foo=bar" response.set_cookie "foo2", "bar2" response["Set-Cookie"].should.equal ["foo=bar", "foo2=bar2"] response.set_cookie "foo3", "bar3" response["Set-Cookie"].should.equal ["foo=bar", "foo2=bar2", "foo3=bar3"] end specify "formats the Cookie expiration date accordingly to RFC 2109" do response = Rack::Response.new response.set_cookie "foo", {:value => "bar", :expires => Time.now+10} response["Set-Cookie"].should.match( /expires=..., \d\d-...-\d\d\d\d \d\d:\d\d:\d\d .../) end specify "can set secure cookies" do response = Rack::Response.new response.set_cookie "foo", {:value => "bar", :secure => true} response["Set-Cookie"].should.equal "foo=bar; secure" end specify "can set http only cookies" do response = Rack::Response.new response.set_cookie "foo", {:value => "bar", :httponly => true} response["Set-Cookie"].should.equal "foo=bar; HttpOnly" end specify "can delete cookies" do response = Rack::Response.new response.set_cookie "foo", "bar" response.set_cookie "foo2", "bar2" response.delete_cookie "foo" response["Set-Cookie"].should.equal ["foo2=bar2", "foo=; expires=Thu, 01-Jan-1970 00:00:00 GMT"] end specify "can do redirects" do response = Rack::Response.new response.redirect "/foo" status, header, body = response.finish status.should.equal 302 header["Location"].should.equal "/foo" response = Rack::Response.new response.redirect "/foo", 307 status, header, body = response.finish status.should.equal 307 end specify "has a useful constructor" do r = Rack::Response.new("foo") status, header, body = r.finish str = ""; body.each { |part| str << part } str.should.equal "foo" r = Rack::Response.new(["foo", "bar"]) status, header, body = r.finish str = ""; body.each { |part| str << part } str.should.equal "foobar" r = Rack::Response.new(["foo", "bar"].to_set) r.write "foo" status, header, body = r.finish str = ""; body.each { |part| str << part } str.should.equal "foobarfoo" r = Rack::Response.new([], 500) r.status.should.equal 500 end specify "has a constructor that can take a block" do r = Rack::Response.new { |res| res.status = 404 res.write "foo" } status, header, body = r.finish str = ""; body.each { |part| str << part } str.should.equal "foo" status.should.equal 404 end specify "doesn't return invalid responses" do r = Rack::Response.new(["foo", "bar"], 204) status, header, body = r.finish str = ""; body.each { |part| str << part } str.should.be.empty header["Content-Type"].should.equal nil lambda { Rack::Response.new(Object.new) }.should.raise(TypeError). message.should =~ /stringable or iterable required/ end specify "knows if it's empty" do r = Rack::Response.new r.should.be.empty r.write "foo" r.should.not.be.empty r = Rack::Response.new r.should.be.empty r.finish r.should.be.empty r = Rack::Response.new r.should.be.empty r.finish { } r.should.not.be.empty end specify "should provide access to the HTTP status" do res = Rack::Response.new res.status = 200 res.should.be.successful res.should.be.ok res.status = 404 res.should.not.be.successful res.should.be.client_error res.should.be.not_found res.status = 501 res.should.not.be.successful res.should.be.server_error res.status = 307 res.should.be.redirect end specify "should provide access to the HTTP headers" do res = Rack::Response.new res["Content-Type"] = "text/yaml" res.should.include "Content-Type" res.headers["Content-Type"].should.equal "text/yaml" res["Content-Type"].should.equal "text/yaml" res.content_type.should.equal "text/yaml" res.content_length.should.be.nil res.location.should.be.nil end specify "does not add or change Content-Length when #finish()ing" do res = Rack::Response.new res.status = 200 res.finish res.headers["Content-Length"].should.be.nil res = Rack::Response.new res.status = 200 res.headers["Content-Length"] = "10" res.finish res.headers["Content-Length"].should.equal "10" end specify "updates Content-Length when body appended to using #write" do res = Rack::Response.new res.status = 200 res.headers["Content-Length"].should.be.nil res.write "Hi" res.headers["Content-Length"].should.equal "2" res.write " there" res.headers["Content-Length"].should.equal "8" end end