play_golang.go

/*
 * Go automate for BrowserStack
 * taken from sourcegraph go-selenium examples
 */

package plugin

import (
	"fmt"
	"strings"
	"time"

	"github.com/tebeka/selenium"
)

// This example shows how to navigate to a http://play.golang.org page, input a
// short program, run it, and inspect its output.
//
// If you want to actually run this example:
//
//   1. Ensure the file paths at the top of the function are correct.
//   2. Remove the word "Example" from the comment at the bottom of the
//      function.
//   3. Run:
//      go test -test.run=Example$ github.com/tebeka/selenium
func golangPlay(wd selenium.WebDriver) {
	// Navigate to the simple playground interface.
	if err := wd.Get("http://play.golang.org/?simple=1"); err != nil {
		panic(err)
	}

	// Get a reference to the text box containing code.
	elem, err := wd.FindElement(selenium.ByCSSSelector, "#code")
	if err != nil {
		panic(err)
	}
	// Remove the boilerplate code already in the text box.
	if err := elem.Clear(); err != nil {
		panic(err)
	}

	// Enter some new code in text box.
	err = elem.SendKeys(`
		package main
		import "fmt"
		func main() {
			fmt.Println("Hello WebDriver!")
		}
	`)
	if err != nil {
		panic(err)
	}

	// Click the run button.
	btn, err := wd.FindElement(selenium.ByCSSSelector, "#run")
	if err != nil {
		panic(err)
	}
	if err := btn.Click(); err != nil {
		panic(err)
	}

	// Wait for the program to finish running and get the output.
	outputDiv, err := wd.FindElement(selenium.ByCSSSelector, "#output")
	if err != nil {
		panic(err)
	}

	var output string
	for {
		output, err = outputDiv.Text()
		if err != nil {
			panic(err)
		}
		if output != "Waiting for remote server..." {
			break
		}
		time.Sleep(time.Millisecond * 100)
	}

	fmt.Printf("%s", strings.Replace(output, "\n\n", "\n", -1))

	// Example Output:
	// Hello WebDriver!
	//
	// Program exited.
}