aspnetcore/test/Templates.Test/Helpers/WebDriverFactory.cs

68 lines
2.8 KiB
C#

using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Text.RegularExpressions;
using OpenQA.Selenium;
using OpenQA.Selenium.Edge;
using OpenQA.Selenium.Firefox;
namespace Templates.Test.Helpers
{
public static class WebDriverFactory
{
// Maximum time any action performed by WebDriver will wait before failing.
// Any action will have to be completed in at most 10 seconds.
// Providing a smaller value won't improve the speed of the tests in any
// significant way and will make them more prone to fail on slower drivers.
private const int DefaultMaxWaitTimeInSeconds = 10;
public static bool HostSupportsBrowserAutomation
=> string.IsNullOrWhiteSpace(Environment.GetEnvironmentVariable("ASPNETCORE_BROWSER_AUTOMATION_DISABLED")) &&
(IsAppVeyor || OSSupportsEdge());
private static bool IsAppVeyor
=> Environment.GetEnvironmentVariables().Contains("APPVEYOR");
public static IWebDriver CreateWebDriver()
{
// Where possible, it's preferable to use Edge because it's
// far faster to automate than Chrome/Firefox. But on AppVeyor
// only Firefox is available.
var result = (IsAppVeyor || UseFirefox()) ? CreateFirefoxDriver() : CreateEdgeDriver();
result.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(DefaultMaxWaitTimeInSeconds);
return result;
bool UseFirefox() => !string.IsNullOrWhiteSpace(Environment.GetEnvironmentVariable("ASPNETCORE_BROWSER_AUTOMATION_FIREFOX"));
}
private static IWebDriver CreateEdgeDriver()
=> new EdgeDriver(EdgeDriverService.CreateDefaultService(BinDir));
private static IWebDriver CreateFirefoxDriver()
=> new FirefoxDriver(
FirefoxDriverService.CreateDefaultService(BinDir),
new FirefoxOptions()
{
AcceptInsecureCertificates = true
},
TimeSpan.FromSeconds(DefaultMaxWaitTimeInSeconds));
private static string BinDir
=> Path.GetDirectoryName(typeof(WebDriverFactory).Assembly.Location);
private static int GetWindowsVersion()
{
var osDescription = RuntimeInformation.OSDescription;
var windowsVersion = Regex.Match(osDescription, "^Microsoft Windows (\\d+)\\..*");
return windowsVersion.Success ? int.Parse(windowsVersion.Groups[1].Value) : -1;
}
private static bool OSSupportsEdge()
{
var windowsVersion = GetWindowsVersion();
return (windowsVersion >= DefaultMaxWaitTimeInSeconds && windowsVersion < 2000)
|| (windowsVersion >= 2016);
}
}
}