require 'spec_helper'

describe "helpers" do

	before(:all) do
		class HelperTestAPI < Grape::API
			add_swagger_documentation
		end

		@api = Object.new
		# after injecting grape-swagger into the Test API we get the helper methods
		# back from the first endpoint's class (the API mounted by grape-swagger
		# to serve the swagger_doc
		@api.extend HelperTestAPI.endpoints.first.options[:app].helpers

	end

	context "parsing parameters" do
		it "should parse params as query strings for a GET" do
			params = {
				name: {type: 'String', :desc => "A name", required: true },
				level: 'max'
			}
			path = "/coolness"
			method = "GET"
			@api.parse_params(params, path, method).should ==
			[
				{paramType: "query", name: :name, description:"A name", dataType: "String", required: true},
				{paramType: "query", name: :level, description:"", dataType: "String", required: false}
			]
		end

		it "should parse params as body for a POST" do
			params = {
				name: {type: 'String', :desc =>"A name", required: true },
				level: 'max'
			}
			path = "/coolness"
			method = "POST"
			@api.parse_params(params, path, method).should ==
			[
				{paramType: "body", name: :name, description:"A name", dataType: "String", required: true},
				{paramType: "body", name: :level, description:"", dataType: "String", required: false}
			]
		end
	end

	context "parsing the path" do
		it "should parse the path" do
			path = ":abc/def(.:format)"
			@api.parse_path(path, nil).should == "{abc}/def.{format}"
		end

    it "should parse a path that has vars with underscores in the name" do
      path = "abc/:def_g(.:format)"
			@api.parse_path(path, nil).should == "abc/{def_g}.{format}"
      
    end

    it "should parse a path that has vars with numbers in the name" do
      path = "abc/:sha1(.:format)"
			@api.parse_path(path, nil).should == "abc/{sha1}.{format}"
    end

    it "should parse a path that has multiple variables" do
      path1 = "abc/:def/:geh(.:format)"
      path2 = "abc/:def:geh(.:format)"
			@api.parse_path(path1, nil).should == "abc/{def}/{geh}.{format}"
			@api.parse_path(path2, nil).should == "abc/{def}{geh}.{format}"
    end

		it "should parse the path with a specified version" do
			path = ":abc/{version}/def(.:format)"
			@api.parse_path(path, 'v1').should == "{abc}/v1/def.{format}"
		end
	end

	context "parsing header parameters" do
		it "should parse params for the header" do
			params = {"XAuthToken" => { description: "A required header.", required: true}}
			@api.parse_header_params(params).should ==
			[
				{paramType: "header", name: "XAuthToken", description:"A required header.", dataType: "String", required: true}
			]
		end
	end

end