dotnet-installer/src/SourceBuild/tarball/content/test/Microsoft.DotNet.SourceBuild.SmokeTests/ExecuteHelper.cs
2022-04-15 15:24:48 -05:00

113 lines
3.6 KiB
C#

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Diagnostics;
using System.Linq;
using System.Text;
using Xunit.Abstractions;
namespace Microsoft.DotNet.SourceBuild.SmokeTests;
internal static class ExecuteHelper
{
public static (Process Process, string StdOut, string StdErr) ExecuteProcess(
string fileName,
string args,
ITestOutputHelper outputHelper,
bool logOutput = false,
Action<Process>? configure = null,
int millisecondTimeout = -1)
{
outputHelper.WriteLine($"Executing: {fileName} {args}");
Process process = new()
{
EnableRaisingEvents = true,
StartInfo =
{
FileName = fileName,
Arguments = args,
RedirectStandardOutput = true,
RedirectStandardError = true,
}
};
// The `dotnet test` execution context sets a number of dotnet related ENVs that cause issues when executing
// dotnet commands. Clear these to avoid side effects.
foreach (string key in process.StartInfo.Environment.Keys.Where(key => key != "HOME").ToList())
{
process.StartInfo.Environment.Remove(key);
}
configure?.Invoke(process);
StringBuilder stdOutput = new();
process.OutputDataReceived += new DataReceivedEventHandler(
(sender, e) =>
{
lock (stdOutput)
{
stdOutput.AppendLine(e.Data);
}
});
StringBuilder stdError = new();
process.ErrorDataReceived += new DataReceivedEventHandler(
(sender, e) =>
{
lock (stdError)
{
stdError.AppendLine(e.Data);
}
});
process.Start();
process.BeginOutputReadLine();
process.BeginErrorReadLine();
process.WaitForExit(millisecondTimeout);
if (!process.HasExited)
{
outputHelper.WriteLine($"Killing: {fileName} {args}");
process.Kill(true);
process.WaitForExit();
}
string output = stdOutput.ToString().Trim();
if (logOutput && !string.IsNullOrWhiteSpace(output))
{
outputHelper.WriteLine(output);
}
string error = stdError.ToString().Trim();
if (logOutput && !string.IsNullOrWhiteSpace(error))
{
outputHelper.WriteLine(error);
}
return (process, output, error);
}
public static string ExecuteProcessValidateExitCode(string fileName, string args, ITestOutputHelper outputHelper)
{
(Process Process, string StdOut, string StdErr) result = ExecuteHelper.ExecuteProcess(fileName, args, outputHelper);
ValidateExitCode(result);
return result.StdOut;
}
public static void ValidateExitCode((Process Process, string StdOut, string StdErr) result, int expectedExitCode = 0)
{
if (result.Process.ExitCode != expectedExitCode)
{
ProcessStartInfo startInfo = result.Process.StartInfo;
string msg = $"Failed to execute {startInfo.FileName} {startInfo.Arguments}" +
$"{Environment.NewLine}Exit code: {result.Process.ExitCode}" +
$"{Environment.NewLine}{result.StdOut}" +
$"{Environment.NewLine}{result.StdErr}";
throw new InvalidOperationException(msg);
}
}
}