InputEventsTest.cs

// <copyright file="InputEventsTest.cs" company="Selenium Committers">
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using System;
using System.Threading.Tasks;
using NUnit.Framework;
using OpenQA.Selenium.BiDi.BrowsingContext;

namespace OpenQA.Selenium.BiDi.Input;

internal class InputEventsTest : BiDiTestFixture
{
    [Test]
    public async Task CanListenToFileDialogOpenedEvent()
    {
        TaskCompletionSource<FileDialogInfo> tcs = new();

        await using var subscription = await context.Input.OnFileDialogOpenedAsync(tcs.SetResult);

        await context.NavigateAsync(UrlBuilder.WhereIs("formPage.html"), new() { Wait = ReadinessState.Complete });

        await context.Script.EvaluateAsync("upload.click()", false, new() { UserActivation = true });

        var eventArgs = await tcs.Task.WaitAsync(TimeSpan.FromSeconds(5));

        Assert.That(eventArgs, Is.Not.Null);
        Assert.That(eventArgs.Context, Is.EqualTo(context));
        Assert.That(eventArgs.Multiple, Is.False);
        Assert.That(eventArgs.Element, Is.Not.Null);
    }
}