WDIO Commands

graph TD
    STARTWDIO(Execute wdio or wdio run)-->
    PARSECLIARGS[Parse CLI args]
    PARSECLIARGS-->HELPSWITCH["wdio command --help"]-->
    COMMANDINCLUDED{"Command
included?"}
    COMMANDINCLUDED-->|Yes|PRINTCMDHELP[Print command help text]
    COMMANDINCLUDED-->|No|PRINTWDIOHELP[Print wdio help]
    PARSECLIARGS-->CONFIGCMD[config]-->
    RUNCONFIG[Run config
command code]
    PARSECLIARGS-->REPL[repl]-->
    RUNREPL[Run repl
command code]
    PARSECLIARGS-->INSTALL[install]-->
    RUNINSTALL[Run install code]
    PARSECLIARGS-->RUN[run]-->
    LAUNCHRUNNER[Launch test runner]

graph TD
    CALLRUN("Launch test runner by calling the @wdio/cli:index run()")-->
    LAUNCHTESTRUNNER2[Test runner is launched]-->
    CALLRUNCMDHANDLER("Call @wdio/cli/commands:run launcher()")-->
    INSTANTIATELAUNCHER["Creates @wdio/cli:launcher instance
1) Set log level
2) Worker count equals number
of specs * caps array length
3)Create a new runnner instance
using @wdio/utils:initializePlugin
4. Create CLI Interface instance.
5. Setup interface job:start,
job:end event listeners"]-->
    CALLLAUNCHERINSTANCERUN["@wdio/cli:launcher run()"]-->
    INITLAUNCHERINSTANCE["Create instance of all services
listed in the config services property."] -->
    INIT["Call the runner initialize() method"]-->
    RUNPRETSTTASKS["Run pre-test tasks for runner plugins"]-->
    CONFIGONPREPAREHOOK["wdio.conf.js onPrepare hook"]-->
    SERVICESONPREPAREHOOK["Run the services onPrepare hook
e.g. start selenium server."]-->
    RUNMODE("Call @wdio/cli:launcher runMode()")-->
    RUNMODEPROMISERESOLVED{"runMode() promise resolve?"}
    RUNMODEPROMISERESOLVED-->|No|SCHEDULE["In @wdio/cli:launcher runMode()
create a spec execution schedule."]-->
    RUNSPECS["Start test execution by calling
@wdio/cli:launcher runSpecs()."]-->
    CREATEWORKERS["Create a new test instance (worker process) by
calling @wdio/cli:launcher runSpecs().
 
Call @wdio/cli:launcher startInstance()
to create a new worker instance.
 
See Create Worker Process and Test
Execution flowcharts for
more information on this process."]-->
    ISNUMBERINSTANCESSPECSZERO{"Is number of worker
processes less than
  config maxInstances?"}
    ISNUMBERINSTANCESSPECSZERO-->|Yes|CREATEWORKERS
    ISNUMBERINSTANCESSPECSZERO-->|No|SCHEDULELOOP["When number of running instances and
number of specs is zero, exit runSpecs()."]-->ENDRUNMODE
    RUNMODEPROMISERESOLVED-->|Yes|ENDRUNMODE["Pass control back to
@wdio/cli:launcher run()."]-->
    ONCOMPLETEHOOKS[Run service and config onComplete hooks.]-->
    INTERFACEFINALISE["Call @wdio/cli interface.js finalise() method. This method prints the test results
and summary using data from the repoter packages."]-->
    EXIT(Shutdown runner, end test process.)

graph TD
    INSTALLCOMMAND[install]-->
    TYPENAMESUPPORTED{Is type and name
supported?}
    TYPENAMESUPPORTED-->|No|ERROR[Throw error message]
    TYPENAMESUPPORTED-->|Yes|INSTALLPACKAGE[Install package]
    INSTALLPACKAGE-->ADDSERVICEREPORTER[Add services and
reporters to wdio.conf.js]
    CONFIGCOMMAND[config]-->
    EXECUTEWIZARD[Execute setup wizard]-->
    QUESTIONNAIRE[Run questionaire, store
answers package variables.]-->
    SYNCMODE{executionMode
       is sync?}
    SYNCMODE-->|Yes|INSTALLWDIOSYNC["Install
@wdio/sync"]
    INSTALLWDIOSYNC-->YARNCHECK["If --yarn, Install packages using
yarn, otherwise use npm"]
    SYNCMODE-->|No|ASYNCMODE["Do not install
@wdio/sync"]
    YARNCHECK-->CREATEWDIOCONFIG["Create wdio.conf.js"]
    ASYNCMODE-->YARNCHECK
    REPLCOMMAND[repl]-->
    CREATESESSION[Create a new Webdriver session
using webdriverio remote]-->
    ADDGLOBALS["Add browser, $, and $$
to global scope"]-->
    LOADREPL[Load the REPL by calling the
WebdriverIO debug command]-->
    EXITREPL[Exit when REPL closed]