public async Task ExternalTool_WhenAsync_StandardOutputIsCaptured()
{
const string canary = "146adgha4";
using (var cancel = new CancellationTokenSource(ExecuteTimeout))
{
var result = await ExternalTool.ExecuteAsync(TestData.CommandHandler, TestData.MakeCommandString(string.Format("echo {0}", canary)), cancel.Token);
Assert.AreEqual(0, result.ExitCode);
Assert.IsTrue(result.StandardOutput.Contains(canary));
}
}
private static async Task VerifyTshark(CancellationToken cancel)
{
_log.Debug("Verifying that TShark is installed.");
ExternalToolResult tsharkCheckResult;
try
{
tsharkCheckResult = await ExternalTool.ExecuteAsync(Constants.TsharkExecutableName, "--version", cancel);
}
catch (Exception ex)
{
throw new EnvironmentException("This app requires TShark to be installed. Attempt to execute TShark failed: " + ex.Message, ex);
}
if (!tsharkCheckResult.StandardOutput.StartsWith("TShark (Wireshark)"))
{
throw new NotSupportedException("Unrecognized TShark version/build.");
}
}
public async Task ExternalTool_WhenAsync_ConsumingResultWithStandardErrorOutput_ThrowsException()
{
const string canary = "6h4sb6455t";
using (var cancel = new CancellationTokenSource(ExecuteTimeout))
{
// Just echo something to stderr.
await Assert.ThrowsExceptionAsync <EnvironmentException>(async() => await ExternalTool.ExecuteAsync(TestData.CommandHandler, TestData.MakeCommandString(string.Format("echo {0} 1>&2", canary)), cancel.Token));
}
}
public async Task ExternalTool_WhenAsync_ConsumingResultWithFailureExitCode_ThrowsException()
{
using (var cancel = new CancellationTokenSource(ExecuteTimeout))
{
await Assert.ThrowsExceptionAsync <EnvironmentException>(async() => await ExternalTool.ExecuteAsync(TestData.CommandHandler, TestData.MakeCommandString("exit 1"), cancel.Token));
}
}