chromedp/example_test.go

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package chromedp_test
import (
"context"
"fmt"
"io/ioutil"
"os"
"github.com/chromedp/chromedp"
)
func ExampleTitle() {
ctx, cancel := chromedp.NewContext(context.Background())
defer cancel()
var title string
if err := chromedp.Run(ctx, chromedp.Tasks{
chromedp.Navigate("https://github.com/chromedp/chromedp/issues"),
chromedp.WaitVisible("#start-of-content", chromedp.ByID),
chromedp.Title(&title),
}); err != nil {
panic(err)
}
fmt.Println(title)
// wait for the resources to be cleaned up
cancel()
chromedp.FromContext(ctx).Allocator.Wait()
// Output:
// Issues · chromedp/chromedp · GitHub
}
func ExampleExecAllocatorOption() {
dir, err := ioutil.TempDir("", "chromedp-example")
if err != nil {
panic(err)
}
defer os.RemoveAll(dir)
opts := []chromedp.ExecAllocatorOption{
chromedp.NoFirstRun,
chromedp.NoDefaultBrowserCheck,
chromedp.Headless,
chromedp.DisableGPU,
chromedp.UserDataDir(dir),
}
allocCtx, cancel := chromedp.NewAllocator(context.Background(),
chromedp.WithExecAllocator(opts...))
defer cancel()
taskCtx, cancel := chromedp.NewContext(allocCtx)
defer cancel()
// ensure that the browser process is started
if err := chromedp.Run(taskCtx, chromedp.Tasks{}); err != nil {
panic(err)
}
files, err := ioutil.ReadDir(dir)
if err != nil {
panic(err)
}
fmt.Println("Files in UserDataDir:")
for _, file := range files {
fmt.Println(file.Name())
}
// wait for the resources to be cleaned up
cancel()
chromedp.FromContext(allocCtx).Allocator.Wait()
// Output:
// Files in UserDataDir:
// Default
// DevToolsActivePort
}