252 lines
9.2 KiB
C#
252 lines
9.2 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using BasicTestApp;
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using Microsoft.AspNetCore.Components.E2ETest.Infrastructure;
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using Microsoft.AspNetCore.Components.E2ETest.Infrastructure.ServerFixtures;
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using Microsoft.AspNetCore.E2ETesting;
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using Microsoft.AspNetCore.Testing;
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using OpenQA.Selenium;
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using OpenQA.Selenium.Interactions;
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using Xunit;
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using Xunit.Abstractions;
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namespace Microsoft.AspNetCore.Components.E2ETest.Tests
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{
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public class EventTest : ServerTestBase<ToggleExecutionModeServerFixture<Program>>
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{
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public EventTest(
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BrowserFixture browserFixture,
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ToggleExecutionModeServerFixture<Program> serverFixture,
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ITestOutputHelper output)
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: base(browserFixture, serverFixture, output)
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{
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}
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protected override void InitializeAsyncCore()
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{
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Navigate(ServerPathBase, noReload: true);
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Browser.MountTestComponent<EventBubblingComponent>();
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}
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[Fact]
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public void FocusEvents_CanTrigger()
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{
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Browser.MountTestComponent<FocusEventComponent>();
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var input = Browser.FindElement(By.Id("input"));
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var output = Browser.FindElement(By.Id("output"));
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Assert.Equal(string.Empty, output.Text);
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// Focus the target, verify onfocusin is fired
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input.Click();
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Browser.Equal("onfocus,onfocusin,", () => output.Text);
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// Focus something else, verify onfocusout is also fired
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var other = Browser.FindElement(By.Id("other"));
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other.Click();
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Browser.Equal("onfocus,onfocusin,onblur,onfocusout,", () => output.Text);
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}
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[Fact]
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public void MouseOverAndMouseOut_CanTrigger()
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{
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Browser.MountTestComponent<MouseEventComponent>();
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var input = Browser.FindElement(By.Id("mouseover_input"));
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var output = Browser.FindElement(By.Id("output"));
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Assert.Equal(string.Empty, output.Text);
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var other = Browser.FindElement(By.Id("other"));
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// Mouse over the button and then back off
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var actions = new Actions(Browser)
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.MoveToElement(input)
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.MoveToElement(other);
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actions.Perform();
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Browser.Equal("onmouseover,onmouseout,", () => output.Text);
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}
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[Fact]
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public void MouseMove_CanTrigger()
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{
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Browser.MountTestComponent<MouseEventComponent>();
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var input = Browser.FindElement(By.Id("mousemove_input"));
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var output = Browser.FindElement(By.Id("output"));
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Assert.Equal(string.Empty, output.Text);
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// Move a little bit
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var actions = new Actions(Browser)
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.MoveToElement(input)
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.MoveToElement(input, 10, 10);
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actions.Perform();
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Browser.Contains("onmousemove,", () => output.Text);
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}
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[Fact]
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public void MouseDownAndMouseUp_CanTrigger()
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{
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Browser.MountTestComponent<MouseEventComponent>();
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var input = Browser.FindElement(By.Id("mousedown_input"));
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var output = Browser.FindElement(By.Id("output"));
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Assert.Equal(string.Empty, output.Text);
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var other = Browser.FindElement(By.Id("other"));
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// Mousedown
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var actions = new Actions(Browser).ClickAndHold(input);
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actions.Perform();
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Browser.Equal("onmousedown,", () => output.Text);
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actions = new Actions(Browser).Release(input);
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actions.Perform();
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Browser.Equal("onmousedown,onmouseup,", () => output.Text);
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}
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[Fact]
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public void PointerDown_CanTrigger()
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{
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Browser.MountTestComponent<MouseEventComponent>();
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var input = Browser.FindElement(By.Id("pointerdown_input"));
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var output = Browser.FindElement(By.Id("output"));
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Assert.Equal(string.Empty, output.Text);
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var actions = new Actions(Browser).ClickAndHold(input);
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actions.Perform();
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Browser.Equal("onpointerdown", () => output.Text);
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}
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[Fact]
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public void DragDrop_CanTrigger()
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{
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Browser.MountTestComponent<MouseEventComponent>();
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var input = Browser.FindElement(By.Id("drag_input"));
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var target = Browser.FindElement(By.Id("drop"));
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var output = Browser.FindElement(By.Id("output"));
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Assert.Equal(string.Empty, output.Text);
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var actions = new Actions(Browser).DragAndDrop(input, target);
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actions.Perform();
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// drop doesn't seem to trigger in Selenium. But it's sufficient to determine "any" drag event works
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Browser.Equal("ondragstart,", () => output.Text);
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}
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[Fact]
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public void PreventDefault_AppliesToFormOnSubmitHandlers()
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{
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var appElement = Browser.MountTestComponent<EventPreventDefaultComponent>();
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appElement.FindElement(By.Id("form-1-button")).Click();
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Browser.Equal("Event was handled", () => appElement.FindElement(By.Id("event-handled")).Text);
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}
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[Fact]
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public void PreventDefault_DotNotApplyByDefault()
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{
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var appElement = Browser.MountTestComponent<EventPreventDefaultComponent>();
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appElement.FindElement(By.Id("form-2-button")).Click();
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Assert.Contains("about:blank", Browser.Url);
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}
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[Fact]
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[Flaky("https://github.com/dotnet/aspnetcore-internal/issues/1987", FlakyOn.AzP.Windows)]
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public void InputEvent_RespondsOnKeystrokes()
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{
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Browser.MountTestComponent<InputEventComponent>();
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var input = Browser.FindElement(By.TagName("input"));
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var output = Browser.FindElement(By.Id("test-result"));
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Browser.Equal(string.Empty, () => output.Text);
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SendKeysSequentially(input, "abcdefghijklmnopqrstuvwxyz");
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Browser.Equal("abcdefghijklmnopqrstuvwxyz", () => output.Text);
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input.SendKeys(Keys.Backspace);
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Browser.Equal("abcdefghijklmnopqrstuvwxy", () => output.Text);
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}
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[Fact]
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public void InputEvent_RespondsOnKeystrokes_EvenIfUpdatesAreLaggy()
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{
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// This test doesn't mean much on WebAssembly - it just shows that even if the CPU is locked
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// up for a bit it doesn't cause typing to lose keystrokes. But when running server-side, this
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// shows that network latency doesn't cause keystrokes to be lost even if:
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// [1] By the time a keystroke event arrives, the event handler ID has since changed
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// [2] We have the situation described under "the problem" at https://github.com/dotnet/aspnetcore/issues/8204#issuecomment-493986702
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Browser.MountTestComponent<LaggyTypingComponent>();
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var input = Browser.FindElement(By.TagName("input"));
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var output = Browser.FindElement(By.Id("test-result"));
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Browser.Equal(string.Empty, () => output.Text);
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SendKeysSequentially(input, "abcdefg");
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Browser.Equal("abcdefg", () => output.Text);
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SendKeysSequentially(input, "hijklmn");
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Browser.Equal("abcdefghijklmn", () => output.Text);
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}
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[Fact]
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public void NonInteractiveElementWithDisabledAttributeDoesRespondToMouseEvents()
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{
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Browser.MountTestComponent<EventDisablingComponent>();
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var element = Browser.FindElement(By.Id("disabled-div"));
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var eventLog = Browser.FindElement(By.Id("event-log"));
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Browser.Equal(string.Empty, () => eventLog.GetAttribute("value"));
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element.Click();
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Browser.Equal("Got event on div", () => eventLog.GetAttribute("value"));
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}
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[Theory]
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[InlineData("#disabled-button")]
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[InlineData("#disabled-button span")]
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[InlineData("#disabled-textarea")]
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public void InteractiveElementWithDisabledAttributeDoesNotRespondToMouseEvents(string elementSelector)
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{
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Browser.MountTestComponent<EventDisablingComponent>();
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var element = Browser.FindElement(By.CssSelector(elementSelector));
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var eventLog = Browser.FindElement(By.Id("event-log"));
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Browser.Equal(string.Empty, () => eventLog.GetAttribute("value"));
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element.Click();
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// It's no use observing that the log is still empty, since maybe the UI just hasn't updated yet
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// To be sure that the preceding action has no effect, we need to trigger a different action that does have an effect
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Browser.FindElement(By.Id("enabled-button")).Click();
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Browser.Equal("Got event on enabled button", () => eventLog.GetAttribute("value"));
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}
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void SendKeysSequentially(IWebElement target, string text)
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{
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// Calling it for each character works around some chars being skipped
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// https://stackoverflow.com/a/40986041
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foreach (var c in text)
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{
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target.SendKeys(c.ToString());
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}
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}
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}
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}
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