require "./spec_helper" describe "Kemal::Handler" do it "routes" do kemal = Kemal::Handler.new kemal.add_route "GET", "/" do "hello" end request = HTTP::Request.new("GET", "/") response = kemal.call(request) response.body.should eq("hello") end it "routes request with query string" do kemal = Kemal::Handler.new kemal.add_route "GET", "/" do |env| "hello #{env.params["message"]}" end request = HTTP::Request.new("GET", "/?message=world") response = kemal.call(request) response.body.should eq("hello world") end it "routes request with multiple query strings" do kemal = Kemal::Handler.new kemal.add_route "GET", "/" do |env| "hello #{env.params["message"]} time #{env.params["time"]}" end request = HTTP::Request.new("GET", "/?message=world&time=now") response = kemal.call(request) response.body.should eq("hello world time now") end it "route parameter has more precedence than query string arguments" do kemal = Kemal::Handler.new kemal.add_route "GET", "/:message" do |env| "hello #{env.params["message"]}" end request = HTTP::Request.new("GET", "/world?message=coco") response = kemal.call(request) response.body.should eq("hello world") end it "parses simple JSON body" do kemal = Kemal::Handler.new kemal.add_route "POST", "/" do |env| name = env.params["name"] age = env.params["age"] "Hello #{name} Age #{age}" end json_payload = {"name": "Serdar", "age": 26} request = HTTP::Request.new( "POST", "/", body: json_payload.to_json, headers: HTTP::Headers{"Content-Type": "application/json"}, ) response = kemal.call(request) response.body.should eq("Hello Serdar Age 26") end it "parses JSON with string array" do kemal = Kemal::Handler.new kemal.add_route "POST", "/" do |env| skills = env.params["skills"] as Array "Skills #{skills.each.join(',')}" end json_payload = {"skills": ["ruby", "crystal"]} request = HTTP::Request.new( "POST", "/", body: json_payload.to_json, headers: HTTP::Headers{"Content-Type": "application/json"}, ) response = kemal.call(request) response.body.should eq("Skills ruby,crystal") end it "parses JSON with json object array" do kemal = Kemal::Handler.new kemal.add_route "POST", "/" do |env| skills = env.params["skills"] as Array skills_from_languages = skills.map do |skill| skill = skill as Hash skill["language"] end "Skills #{skills_from_languages.each.join(',')}" end json_payload = {"skills": [{"language": "ruby"}, {"language": "crystal"}]} request = HTTP::Request.new( "POST", "/", body: json_payload.to_json, headers: HTTP::Headers{"Content-Type": "application/json"}, ) response = kemal.call(request) response.body.should eq("Skills ruby,crystal") end it "renders 404 on not found" do kemal = Kemal::Handler.new request = HTTP::Request.new("GET", "/?message=world") response = kemal.call(request) response.status_code.should eq 404 end it "renders 500 on exception" do kemal = Kemal::Handler.new kemal.add_route "GET", "/" do raise "Exception" end request = HTTP::Request.new("GET", "/?message=world") response = kemal.call(request) response.status_code.should eq 500 response.body.includes?("Exception").should eq true end it "checks for _method param in POST request to simulate PUT" do kemal = Kemal::Handler.new kemal.add_route "PUT", "/" do |env| "Hello World from PUT" end request = HTTP::Request.new( "POST", "/", body: "_method=PUT", headers: HTTP::Headers{"Content-Type": "application/x-www-form-urlencoded"} ) response = kemal.call(request) response.body.should eq("Hello World from PUT") end it "checks for _method param in POST request to simulate PATCH" do kemal = Kemal::Handler.new kemal.add_route "PATCH", "/" do |env| "Hello World from PATCH" end request = HTTP::Request.new( "POST", "/", body: "_method=PATCH", headers: HTTP::Headers{"Content-Type": "application/x-www-form-urlencoded; charset=UTF-8"} ) response = kemal.call(request) response.body.should eq("Hello World from PATCH") end it "checks for _method param in POST request to simulate DELETE" do kemal = Kemal::Handler.new kemal.add_route "DELETE", "/" do |env| "Hello World from DELETE" end json_payload = {"_method": "DELETE"} request = HTTP::Request.new( "POST", "/", body: json_payload.to_json, headers: HTTP::Headers{"Content-Type": "application/json"} ) response = kemal.call(request) response.body.should eq("Hello World from DELETE") end it "can process HTTP HEAD requests for defined GET routes" do kemal = Kemal::Handler.new kemal.add_route "GET", "/" do |env| "Hello World from GET" end request = HTTP::Request.new("HEAD", "/") response = kemal.call(request) response.status_code.should eq(200) end it "can't process HTTP HEAD requests for undefined GET routes" do kemal = Kemal::Handler.new request = HTTP::Request.new("HEAD", "/") response = kemal.call(request) response.status_code.should eq(404) end it "redirects user to provided url" do kemal = Kemal::Handler.new kemal.add_route "GET", "/" do |env| redirect "/login" end request = HTTP::Request.new("GET", "/") response = kemal.call(request) response.status_code.should eq(301) response.headers.has_key?("Location").should eq(true) end end