selenium - Invalid session ID when using Page Object on nightwatch cucumber -


update: problem solved, check comment

i trying convert use test page object , have following pg.js: 

 var mycommands ={     security:function(username){         this.click('@logon')             .waitforelementvisible('@id',20000)             .click('@id')             .setvalue('@id',username)             .click('@device')     },     password:function(username){         console.log(this)         return this.usexpath()                    .navigate()                    .assert.elementpresent('@logon', 20000)                    .click('@logon')                    .waitforelementvisible('@id',20000)                    .click('@id')                    .setvalue('@id',username)                    .click('@password')                    .waitforelementvisible('//input[@name="answer"]', 20000);     } };  module.exports={     url : 'https://mywebsite',     commands :[mycommands],      elements:{          logon:{             locatestrategy: 'xpath',             selector:'//a[@title="log on"]'         },         id:{             locatestrategy: 'xpath',             selector:'//input[@name="userid"]'         },         device:{             locatestrategy: 'xpath',             selector:'//a[text() = "login pin"]'         },         password:{             locatestrategy: 'xpath',             selector:'//a[text() = "login passwords"]'         }     }  };

from console.log(this), can see session id , context null : enter image description here

and in test.js ,i have 2 lines: 

var logon=client.page.pg()  ....  logon.password(username)

when run test, shows 

error: creating screenshot not successful. response was: { status: -1,   value:    { error: 'invalid session id',      message: 'no active session id null',      stacktrace: '' },   errorstatus: 6,   error: '' }

my question why session null? , if there problem how set page object in either pg.js or test.js.

do have nightwatch.conf.js file set show page objects structure?

i using nightwatch-cucumber page object model , structure follows:

//nightwatch.conf.js const seleniumserver = require('selenium-server') const phantomjs = require('phantomjs-prebuilt') const chromedriver = require('chromedriver')  require('nightwatch-cucumber')({   cucumberargs: ['--require', 'hooks.js', '--require', 'features/step_definitions', '--format', 'pretty', '--format', 'json:reports/cucumber.json', 'features'] })  module.exports = {   output_folder: 'reports',   live_output: false,   disable_colors: false,   page_objects_path: 'pages',   test_workers: false,   selenium: {     start_process: true,     server_path: seleniumserver.path,     log_path: '',     host: '127.0.0.1',     port: 4444   },   test_settings: {     default: {       launch_url: 'whatevertheurlis.com',       selenium_port: 4444,       selenium_host: '127.0.0.1',       globals: {         base_url: 'baseurl.com'       },       desiredcapabilities: {         browsername: 'chrome',         javascriptenabled: true,         acceptsslcerts: true       },       selenium: {         cli_args: {           'webdriver.chrome.driver': chromedriver.path         }       },       screenshots: {         enabled : true,         on_failure : true,         path : 'screenshots/default'       }     }   } }

this loginpage:

//pages/loginpage.js module.exports = {   url: function() {     return this.api.globals.base_url + '/#/login';   },    elements: {     body: 'body',     error: 'div.error',     header: '.header-title',     emailinput: '#field_email',     passwordinput: '#field_password',     submitbutton: '.btn-success'   },    commands: [{     goto: function() {       return this.navigate()                  .waitforelementvisible('@body', 3000);     }   }] }

and loginsteps:

//features/step_definitions/loginsteps.js const { client } = require('nightwatch-cucumber') const { definesupportcode } = require('cucumber')  const loginpage = client.page.loginpage(); const navbar = client.page.navbar(); const resetpasswordpage = client.page.resetpasswordpage(); const shared = client.page.shared();  definesupportcode(({ given, then, when }) => {   given(/^i go login page$/, () => {     return loginpage       .goto();   }) })

we using different method of doing helps see layout of tests.


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