require 'rack/showexceptions' require 'rack/lint' require 'rack/mock' describe Rack::ShowExceptions do def show_exceptions(app) Rack::Lint.new Rack::ShowExceptions.new(app) end it "catches exceptions" do res = nil req = Rack::MockRequest.new( show_exceptions( lambda{|env| raise RuntimeError } )) lambda{ res = req.get("/", "HTTP_ACCEPT" => "text/html") }.should.not.raise res.should.be.a.server_error res.status.should.equal 500 res.should =~ /RuntimeError/ res.should =~ /ShowExceptions/ end it "responds with HTML only to requests accepting HTML" do res = nil req = Rack::MockRequest.new( show_exceptions( lambda{|env| raise RuntimeError, "It was never supposed to work" } )) [ # Serve text/html when the client accepts text/html ["text/html", ["/", {"HTTP_ACCEPT" => "text/html"}]], ["text/html", ["/", {"HTTP_ACCEPT" => "*/*"}]], # Serve text/plain when the client does not accept text/html ["text/plain", ["/"]], ["text/plain", ["/", {"HTTP_ACCEPT" => "application/json"}]] ].each do |exmime, rargs| lambda{ res = req.get(*rargs) }.should.not.raise res.should.be.a.server_error res.status.should.equal 500 res.content_type.should.equal exmime res.body.should.include "RuntimeError" res.body.should.include "It was never supposed to work" if exmime == "text/html" res.body.should.include '' else res.body.should.not.include '' end end end it "handles exceptions without a backtrace" do res = nil req = Rack::MockRequest.new( show_exceptions( lambda{|env| raise RuntimeError, "", [] } ) ) lambda{ res = req.get("/", "HTTP_ACCEPT" => "text/html") }.should.not.raise res.should.be.a.server_error res.status.should.equal 500 res.should =~ /RuntimeError/ res.should =~ /ShowExceptions/ res.should =~ /unknown location/ end end