public ScriptRunner(string workingDirectory, string scriptName, string arguments, IDictionary <string, string> envVars, ScriptRunnerType runner)
{
if (string.IsNullOrEmpty(workingDirectory))
{
throw new ArgumentException("Cannot be null or empty.", nameof(workingDirectory));
}
if (string.IsNullOrEmpty(scriptName))
{
throw new ArgumentException("Cannot be null or empty.", nameof(scriptName));
}
Runner = runner;
var npmExe = GetExeName();
var completeArguments = $"{GetArgPrefix()}{scriptName} {GetArgSuffix()}{arguments ?? string.Empty}";
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
// On Windows, the NPM executable is a .cmd file, so it can't be executed
// directly (except with UseShellExecute=true, but that's no good, because
// it prevents capturing stdio). So we need to invoke it via "cmd /c".
completeArguments = $"/c {npmExe} {completeArguments}";
npmExe = "cmd";
}
var processStartInfo = new ProcessStartInfo(npmExe)
{
Arguments = completeArguments,
UseShellExecute = false,
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
WorkingDirectory = workingDirectory
};
if (envVars != null)
{
foreach (var keyValuePair in envVars)
{
processStartInfo.Environment[keyValuePair.Key] = keyValuePair.Value;
}
}
var process = LaunchNodeProcess(processStartInfo);
StdOut = new EventedStreamReader(process.StandardOutput);
StdErr = new EventedStreamReader(process.StandardError);
// Ensure node process is killed if test process termination is non-graceful.
ProcessTracker.Add(process);
}
public EventedStreamStringReader(EventedStreamReader eventedStreamReader)
{
_eventedStreamReader = eventedStreamReader
?? throw new ArgumentNullException(nameof(eventedStreamReader));
_eventedStreamReader.OnReceivedLine += OnReceivedLine;
}