grafana · ankur22 · Nov 30, 2022 · Nov 29, 2022 · Nov 29, 2022 · Nov 29, 2022
@@ -259,12 +259,34 @@ func (fs *FrameSession) initEvents() {
 					fs.onAttachedToTarget(ev)
 				case *target.EventDetachedFromTarget:
 					fs.onDetachedFromTarget(ev)
+				case *cdppage.EventJavascriptDialogOpening:
+					fs.onEventJavascriptDialogOpening(ev)
 				}
 			}
 		}
 	}()
 }
 
+func (fs *FrameSession) onEventJavascriptDialogOpening(event *cdppage.EventJavascriptDialogOpening) {
+	fs.logger.Debugf("FrameSession:onEventJavascriptDialogOpening",
+		"sid:%v tid:%v url:%v dialogType:%s",
+		fs.session.ID(), fs.targetID, event.URL, event.Type)
+
+	// Dialog type of beforeunload needs to accept the
+	// dialog, instead of dismissing it. We're unable to
+	// dismiss beforeunload dialog boxes at the moment as
+	// it seems to pause the exec of any other action on
+	// the page. I believe this is an issue in Chromium.
+	action := cdppage.HandleJavaScriptDialog(false)
+	if event.Type == cdppage.DialogTypeBeforeunload {
+		action = cdppage.HandleJavaScriptDialog(true)
+	}
+
+	if err := action.Do(cdp.WithExecutor(fs.ctx, fs.session)); err != nil {
+		fs.logger.Errorf("FrameSession:onEventJavascriptDialogOpening", "failed to dismiss dialog box: %v", err)
+	}
+}
+
 func (fs *FrameSession) initFrameTree() error {
 	fs.logger.Debugf("NewFrameSession:initFrameTree",
 		"sid:%v tid:%v", fs.session.ID(), fs.targetID)

@@ -3,6 +3,8 @@ package tests
 import (
 	"testing"
 
+	"github.com/dop251/goja"
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
@@ -21,3 +23,52 @@ func TestFramePress(t *testing.T) {
 
 	require.Equal(t, "AbC", f.InputValue("#text1", nil))
 }
+
+func TestFrameDismissDialogBox(t *testing.T) {
+	t.Parallel()
+
+	tests := []string{
+		"alert",
+		"confirm",
+		"prompt",
+		"beforeunload",
+	}
+
+	for _, test := range tests {
+		t.Run(test, func(t *testing.T) {
+			t.Parallel()
+
+			b := newTestBrowser(t, withFileServer())
+
+			p := b.NewPage(nil)
+
+			err := b.await(func() error {
+				opts := b.toGojaValue(struct {
+					WaitUntil string `js:"waitUntil"`
+				}{
+					WaitUntil: "networkidle",
+				})
+				pageGoto := p.Goto(
+					b.staticURL("dialog.html?dialogType="+test),
+					opts,
+				)
+				b.promise(pageGoto).then(func() *goja.Promise {
+					if test == "beforeunload" {
+						return p.Click("#clickHere", nil)
+					}
+
+					result := p.TextContent("#textField", nil)
+					assert.EqualValues(t, test+" dismissed", result)
+
+					return nil
+				}).then(func() {
+					result := p.TextContent("#textField", nil)
+					assert.EqualValues(t, test+" dismissed", result)
+				})
+
+				return nil
+			})
+			require.NoError(t, err)
+		})
+	}
+}
@@ -0,0 +1,36 @@
+<html lang="en">
+    <head></head>
+    <body>
+        <div id='textField'>Hello World</div>
+        <br />
+        <button id="clickHere" onclick="window.location.reload();">click here</button>
+
+        <script>
+            const queryString = window.location.search;
+            const urlParams = new URLSearchParams(queryString);
+            const dialogType = urlParams.get('dialogType');
+            const div = document.getElementById('textField');
+
+            switch(dialogType) {
+                case "alert":
+                    alert("Click accept");
+                    div.textContent = 'alert dismissed';
+                    break;
+                case "confirm":
+                    confirm("Click accept");
+                    div.textContent = 'confirm dismissed';
+                    break;
+                case "prompt":
+                    prompt("Add text and then click accept");
+                    div.textContent = 'prompt dismissed';
+                    break;
+                case "beforeunload":
+                    window.addEventListener('beforeunload', (event) => {
+                        event.returnValue = "Are you sure you want to leave?";
+                    });
+                    div.textContent = 'beforeunload dismissed';
+                    break;
+            }
+        </script>
+    </body>
+</html>