require "./spec_helper" describe "ParamParser" do it "parses query params" do route = Route.new "POST", "/" do |env| hasan = env.params.query["hasan"] "Hello #{hasan}" end request = HTTP::Request.new("POST", "/?hasan=cemal") query_params = Kemal::ParamParser.new(request).query query_params["hasan"].should eq "cemal" end it "parses multiple values for query params" do route = Route.new "POST", "/" do |env| hasan = env.params.query["hasan"] "Hello #{hasan}" end request = HTTP::Request.new("POST", "/?hasan=cemal&hasan=lamec") query_params = Kemal::ParamParser.new(request).query query_params.fetch_all("hasan").should eq ["cemal", "lamec"] end it "parses url params" do kemal = Kemal::RouteHandler::INSTANCE kemal.add_route "POST", "/hello/:hasan" do |env| "hello #{env.params.url["hasan"]}" end request = HTTP::Request.new("POST", "/hello/cemal") # Radix tree MUST be run to parse url params. io_with_context = create_request_and_return_io(kemal, request) url_params = Kemal::ParamParser.new(request).url url_params["hasan"].should eq "cemal" end it "decodes url params" do kemal = Kemal::RouteHandler::INSTANCE kemal.add_route "POST", "/hello/:email/:money/:spanish" do |env| email = env.params.url["email"] money = env.params.url["money"] spanish = env.params.url["spanish"] "Hello, #{email}. You have #{money}. The spanish word of the day is #{spanish}." end request = HTTP::Request.new("POST", "/hello/sam%2Bspec%40gmail.com/%2419.99/a%C3%B1o") # Radix tree MUST be run to parse url params. io_with_context = create_request_and_return_io(kemal, request) url_params = Kemal::ParamParser.new(request).url url_params["email"].should eq "sam+spec@gmail.com" url_params["money"].should eq "$19.99" url_params["spanish"].should eq "año" end it "parses request body" do route = Route.new "POST", "/" do |env| name = env.params.query["name"] age = env.params.query["age"] hasan = env.params.body["hasan"] "Hello #{name} #{hasan} #{age}" end request = HTTP::Request.new( "POST", "/?hasan=cemal", body: "name=serdar&age=99", headers: HTTP::Headers{"Content-Type" => "application/x-www-form-urlencoded"}, ) query_params = Kemal::ParamParser.new(request).query {"hasan" => "cemal"}.each do |k, v| query_params[k].should eq(v) end body_params = Kemal::ParamParser.new(request).body {"name" => "serdar", "age" => "99"}.each do |k, v| body_params[k].should eq(v) end end it "parses multiple values in request body" do route = Route.new "POST", "/" do |env| hasan = env.params.body["hasan"] "Hello #{hasan}" end request = HTTP::Request.new( "POST", "/", body: "hasan=cemal&hasan=lamec", headers: HTTP::Headers{"Content-Type" => "application/x-www-form-urlencoded"}, ) body_params = Kemal::ParamParser.new(request).body body_params.fetch_all("hasan").should eq(["cemal", "lamec"]) end context "when content type is application/json" do it "parses request body" do route = Route.new "POST", "/" { } request = HTTP::Request.new( "POST", "/", body: "{\"name\": \"Serdar\"}", headers: HTTP::Headers{"Content-Type" => "application/json"}, ) json_params = Kemal::ParamParser.new(request).json json_params.should eq({"name" => "Serdar"}) end it "parses request body when passed charset" do route = Route.new "POST", "/" { } request = HTTP::Request.new( "POST", "/", body: "{\"name\": \"Serdar\"}", headers: HTTP::Headers{"Content-Type" => "application/json; charset=utf-8"}, ) json_params = Kemal::ParamParser.new(request).json json_params.should eq({"name" => "Serdar"}) end it "parses request body for array" do route = Route.new "POST", "/" { } request = HTTP::Request.new( "POST", "/", body: "[1]", headers: HTTP::Headers{"Content-Type" => "application/json"}, ) json_params = Kemal::ParamParser.new(request).json json_params.should eq({"_json" => [1]}) end it "parses request body and query params" do route = Route.new "POST", "/" { } request = HTTP::Request.new( "POST", "/?foo=bar", body: "[1]", headers: HTTP::Headers{"Content-Type" => "application/json"}, ) query_params = Kemal::ParamParser.new(request).query {"foo" => "bar"}.each do |k, v| query_params[k].should eq(v) end json_params = Kemal::ParamParser.new(request).json json_params.should eq({"_json" => [1]}) end it "handles no request body" do route = Route.new "GET", "/" { } request = HTTP::Request.new( "GET", "/", headers: HTTP::Headers{"Content-Type" => "application/json"}, ) url_params = Kemal::ParamParser.new(request).url url_params.should eq({} of String => String) query_params = Kemal::ParamParser.new(request).query query_params.to_s.should eq("") body_params = Kemal::ParamParser.new(request).body body_params.to_s.should eq("") json_params = Kemal::ParamParser.new(request).json json_params.should eq({} of String => Nil | String | Int64 | Float64 | Bool | Hash(String, JSON::Type) | Array(JSON::Type)) end end context "when content type is incorrect" do it "does not parse request body" do route = Route.new "POST", "/" do |env| name = env.params.body["name"] age = env.params.body["age"] hasan = env.params.query["hasan"] "Hello #{name} #{hasan} #{age}" end request = HTTP::Request.new( "POST", "/?hasan=cemal", body: "name=serdar&age=99", headers: HTTP::Headers{"Content-Type" => "text/plain"}, ) query_params = Kemal::ParamParser.new(request).query query_params["hasan"].should eq("cemal") body_params = Kemal::ParamParser.new(request).body body_params.to_s.should eq("") end end end