public BrowserFixture()
{
var opts = new ChromeOptions();
// Comment this out if you want to watch or interact with the browser (e.g., for debugging)
opts.AddArgument("--headless");
// Log errors
opts.SetLoggingPreference(LogType.Browser, LogLevel.All);
// On Windows/Linux, we don't need to set opts.BinaryLocation
// But for Travis Mac builds we do
var binaryLocation = Environment.GetEnvironmentVariable("TEST_CHROME_BINARY");
if (!string.IsNullOrEmpty(binaryLocation))
{
opts.BinaryLocation = binaryLocation;
Console.WriteLine($"Set {nameof(ChromeOptions)}.{nameof(opts.BinaryLocation)} to {binaryLocation}");
}
try
{
var driver = new RemoteWebDriver(opts);
driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(1);
Browser = driver;
Logs = new RemoteLogs(driver);
}
catch (WebDriverException ex)
{
var message =
"Failed to connect to the web driver. Please see the readme and follow the instructions to install selenium." +
"Remember to start the web driver with `selenium-standalone start` before running the end-to-end tests.";
throw new InvalidOperationException(message, ex);
}
}
public BrowserFixture(IMessageSink diagnosticsMessageSink)
{
DiagnosticsMessageSink = diagnosticsMessageSink;
if (!IsHostAutomationSupported())
{
DiagnosticsMessageSink.OnMessage(new DiagnosticMessage("Host does not support browser automation."));
return;
}
var opts = new ChromeOptions();
// Comment this out if you want to watch or interact with the browser (e.g., for debugging)
opts.AddArgument("--headless");
// Log errors
opts.SetLoggingPreference(LogType.Browser, LogLevel.All);
// On Windows/Linux, we don't need to set opts.BinaryLocation
// But for Travis Mac builds we do
var binaryLocation = Environment.GetEnvironmentVariable("TEST_CHROME_BINARY");
if (!string.IsNullOrEmpty(binaryLocation))
{
opts.BinaryLocation = binaryLocation;
DiagnosticsMessageSink.OnMessage(new DiagnosticMessage($"Set {nameof(ChromeOptions)}.{nameof(opts.BinaryLocation)} to {binaryLocation}"));
}
var driver = new RemoteWebDriver(SeleniumStandaloneServer.Instance.Uri, opts);
driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(1);
Browser = driver;
Logs = new RemoteLogs(driver);
}
public ChromeDriver CreateBrowser(CancellationToken cancellationToken, bool captureBrowserMemory = false)
{
var options = new ChromeOptions();
if (_runHeadlessBrowser)
{
options.AddArgument("--headless");
}
if (captureBrowserMemory)
{
options.AddArgument("--enable-precise-memory-info");
}
options.SetLoggingPreference(LogType.Browser, LogLevel.All);
var attempt = 0;
const int maxAttempts = 3;
do
{
try
{
var driver = new ChromeDriver(options);
driver
.Manage()
.Timeouts().ImplicitWait = TimeSpan.FromSeconds(1);
driver.Navigate().GoToUrl(SutUri);
// Run in background.
var logs = new RemoteLogs(driver);
_ = Task.Run(async() =>
{
while (!cancellationToken.IsCancellationRequested)
{
await Task.Delay(TimeSpan.FromSeconds(3), cancellationToken);
var consoleLogs = logs.GetLog(LogType.Browser);
foreach (var entry in consoleLogs)
{
_output?.WriteLine($"[Browser Log]: {entry.Timestamp}: {entry.Message}");
}
}
});
return(driver);
}
catch (Exception ex)
{
_output?.WriteLine($"Error initializing WebDriver: {ex.Message}");
}
attempt++;
} while (attempt < maxAttempts);
throw new InvalidOperationException("Couldn't create a Selenium Chrome driver client. The server is irresponsive");
}
public static async Task <RemoteWebDriver> CreateBrowser(CancellationToken cancellationToken, bool captureBrowserMemory = false)
{
var uri = await WaitForServerAsync(SeleniumPort, cancellationToken);
var options = new ChromeOptions();
if (RunHeadlessBrowser)
{
options.AddArgument("--headless");
}
if (captureBrowserMemory)
{
options.AddArgument("--enable-precise-memory-info");
}
options.SetLoggingPreference(LogType.Browser, LogLevel.All);
var attempt = 0;
const int MaxAttempts = 3;
do
{
try
{
// The driver opens the browser window and tries to connect to it on the constructor.
// Under heavy load, this can cause issues
// To prevent this we let the client attempt several times to connect to the server, increasing
// the max allowed timeout for a command on each attempt linearly.
var driver = new RemoteWebDriver(
uri,
options.ToCapabilities(),
TimeSpan.FromSeconds(60).Add(TimeSpan.FromSeconds(attempt * 60)));
driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(1);
if (PoolForBrowserLogs)
{
// Run in background.
var logs = new RemoteLogs(driver);
_ = Task.Run(async() =>
{
while (!cancellationToken.IsCancellationRequested)
{
await Task.Delay(TimeSpan.FromSeconds(3));
var consoleLogs = logs.GetLog(LogType.Browser);
foreach (var entry in consoleLogs)
{
Console.WriteLine($"[Browser Log]: {entry.Timestamp}: {entry.Message}");
}
}
});
}
return(driver);
}
catch (Exception ex)
{
Console.WriteLine($"Error initializing RemoteWebDriver: {ex.Message}");
}
attempt++;
} while (attempt < MaxAttempts);
throw new InvalidOperationException("Couldn't create a Selenium remote driver client. The server is irresponsive");
}