Refactor tests to use idempotent templates

- Benefit is fine-grained tests without perf hit of duplicate work
This commit is contained in:
Mike Harder 2018-05-02 13:02:16 -07:00 committed by GitHub
parent 1e5b3a5cc5
commit 52f483bf44
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18 changed files with 266 additions and 271 deletions

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@ -0,0 +1,35 @@
using AspNetCoreSdkTests.Templates;
using NUnit.Framework;
using System.Collections.Generic;
using System.Linq;
namespace AspNetCoreSdkTests
{
public static class TemplateData
{
public static IEnumerable<TestCaseData> Restore = new TestCaseData[]
{
new TestCaseData(Template.GetInstance<ClassLibraryTemplate>(NuGetConfig.Empty)),
new TestCaseData(Template.GetInstance<ConsoleApplicationTemplate>(NuGetConfig.Empty)),
// Offline restore currently not supported for RazorClassLibrary template (https://github.com/aspnet/Universe/issues/1123)
new TestCaseData(Template.GetInstance<RazorClassLibraryTemplate>(NuGetConfig.NuGetOrg)),
new TestCaseData(Template.GetInstance<WebTemplate>(NuGetConfig.Empty)),
new TestCaseData(Template.GetInstance<RazorTemplate>(NuGetConfig.Empty)),
new TestCaseData(Template.GetInstance<MvcTemplate>(NuGetConfig.Empty)),
new TestCaseData(Template.GetInstance<AngularTemplate>(NuGetConfig.Empty)),
new TestCaseData(Template.GetInstance<ReactTemplate>(NuGetConfig.Empty)),
new TestCaseData(Template.GetInstance<ReactReduxTemplate>(NuGetConfig.Empty)),
new TestCaseData(Template.GetInstance<WebApiTemplate>(NuGetConfig.Empty)),
};
public static IEnumerable<TestCaseData> Build => Restore;
public static IEnumerable<TestCaseData> Publish => Restore;
public static IEnumerable<TestCaseData> Run = Restore.Where(d => ((Template)d.Arguments[0]).Type == TemplateType.WebApplication);
public static IEnumerable<TestCaseData> Exec => Run;
}
}

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@ -1,71 +1,47 @@
using AspNetCoreSdkTests.Templates;
using AspNetCoreSdkTests.Util;
using NUnit.Framework;
using System;
using System.Net;
using System.Net.Http;
using System.Threading;
namespace AspNetCoreSdkTests
{
[TestFixture]
public class TemplateTests
{
private static readonly TimeSpan _sleepBetweenHttpRequests = TimeSpan.FromMilliseconds(100);
private static readonly HttpClient _httpClient = new HttpClient(new HttpClientHandler()
{
// Allow self-signed certs
ServerCertificateCustomValidationCallback = (m, c, ch, p) => true
});
[Test]
[TestCaseSource(typeof(TemplateData), nameof(TemplateData.Current))]
public void RestoreBuildRunPublish(Template template, NuGetConfig nuGetConfig)
[TestCaseSource(typeof(TemplateData), nameof(TemplateData.Restore))]
public void Restore(Template template)
{
using (var context = new DotNetContext(template))
{
context.New();
context.Restore(nuGetConfig);
CollectionAssert.AreEquivalent(template.ExpectedObjFilesAfterRestore, context.GetObjFiles());
context.Build();
CollectionAssert.AreEquivalent(template.ExpectedObjFilesAfterBuild, context.GetObjFiles());
CollectionAssert.AreEquivalent(template.ExpectedBinFilesAfterBuild, context.GetBinFiles());
if (template.Type == TemplateType.WebApplication)
{
var (httpUrl, httpsUrl) = context.Run();
Assert.AreEqual(HttpStatusCode.OK, GetAsync(new Uri(new Uri(httpUrl), template.RelativeUrl)).StatusCode);
Assert.AreEqual(HttpStatusCode.OK, GetAsync(new Uri(new Uri(httpsUrl), template.RelativeUrl)).StatusCode);
}
context.Publish();
CollectionAssert.AreEquivalent(template.ExpectedFilesAfterPublish, context.GetPublishFiles());
if (template.Type == TemplateType.WebApplication)
{
var (httpUrl, httpsUrl) = context.Exec();
Assert.AreEqual(HttpStatusCode.OK, GetAsync(new Uri(new Uri(httpUrl), template.RelativeUrl)).StatusCode);
Assert.AreEqual(HttpStatusCode.OK, GetAsync(new Uri(new Uri(httpsUrl), template.RelativeUrl)).StatusCode);
}
}
CollectionAssert.AreEquivalent(template.ExpectedObjFilesAfterRestore, template.ObjFilesAfterRestore);
}
private HttpResponseMessage GetAsync(Uri requestUri)
[Test]
[TestCaseSource(typeof(TemplateData), nameof(TemplateData.Build))]
public void Build(Template template)
{
while (true)
{
try
{
return _httpClient.GetAsync(requestUri).Result;
}
catch
{
Thread.Sleep(_sleepBetweenHttpRequests);
}
}
CollectionAssert.AreEquivalent(template.ExpectedObjFilesAfterBuild, template.ObjFilesAfterBuild);
}
[Test]
[TestCaseSource(typeof(TemplateData), nameof(TemplateData.Publish))]
public void Publish(Template template)
{
CollectionAssert.AreEquivalent(template.ExpectedFilesAfterPublish, template.FilesAfterPublish);
}
[Test]
[TestCaseSource(typeof(TemplateData), nameof(TemplateData.Run))]
public void Run(Template template)
{
Assert.AreEqual(HttpStatusCode.OK, template.HttpResponseAfterRun.StatusCode);
Assert.AreEqual(HttpStatusCode.OK, template.HttpsResponseAfterRun.StatusCode);
}
[Test]
[TestCaseSource(typeof(TemplateData), nameof(TemplateData.Exec))]
public void Exec(Template template)
{
Assert.AreEqual(HttpStatusCode.OK, template.HttpResponseAfterExec.StatusCode);
Assert.AreEqual(HttpStatusCode.OK, template.HttpsResponseAfterExec.StatusCode);
}
}
}

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@ -6,9 +6,7 @@ namespace AspNetCoreSdkTests.Templates
{
public class AngularTemplate : SpaBaseTemplate
{
public new static AngularTemplate Instance { get; } = new AngularTemplate();
protected AngularTemplate() { }
public AngularTemplate() { }
public override string Name => "angular";

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@ -6,9 +6,7 @@ namespace AspNetCoreSdkTests.Templates
{
public class ClassLibraryTemplate : Template
{
public static ClassLibraryTemplate Instance { get; } = new ClassLibraryTemplate();
protected ClassLibraryTemplate() { }
public ClassLibraryTemplate() { }
public override string Name => "classlib";

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@ -7,9 +7,7 @@ namespace AspNetCoreSdkTests.Templates
{
public class ConsoleApplicationTemplate : ClassLibraryTemplate
{
public new static ConsoleApplicationTemplate Instance { get; } = new ConsoleApplicationTemplate();
protected ConsoleApplicationTemplate() { }
public ConsoleApplicationTemplate() { }
public override string Name => "console";

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@ -6,9 +6,7 @@ namespace AspNetCoreSdkTests.Templates
{
public class MvcTemplate : RazorBootstrapJQueryTemplate
{
public new static MvcTemplate Instance { get; } = new MvcTemplate();
protected MvcTemplate() { }
public MvcTemplate() { }
public override string Name => "mvc";

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@ -6,9 +6,7 @@ namespace AspNetCoreSdkTests.Templates
{
public class RazorClassLibraryTemplate : RazorBaseTemplate
{
public new static RazorClassLibraryTemplate Instance { get; } = new RazorClassLibraryTemplate();
protected RazorClassLibraryTemplate() { }
public RazorClassLibraryTemplate() { }
public override string Name => "razorclasslib";

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@ -6,9 +6,7 @@ namespace AspNetCoreSdkTests.Templates
{
public class RazorTemplate : RazorBootstrapJQueryTemplate
{
public new static RazorTemplate Instance { get; } = new RazorTemplate();
protected RazorTemplate() { }
public RazorTemplate() { }
public override string Name => "razor";

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@ -5,9 +5,7 @@ namespace AspNetCoreSdkTests.Templates
{
public class ReactReduxTemplate : ReactTemplate
{
public new static ReactReduxTemplate Instance { get; } = new ReactReduxTemplate();
protected ReactReduxTemplate() { }
public ReactReduxTemplate() { }
public override string Name => "reactredux";

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@ -6,9 +6,7 @@ namespace AspNetCoreSdkTests.Templates
{
public class ReactTemplate : SpaBaseTemplate
{
public new static ReactTemplate Instance { get; } = new ReactTemplate();
protected ReactTemplate() { }
public ReactTemplate() { }
public override string Name => "react";

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@ -1,13 +1,76 @@
using System.Collections.Generic;
using AspNetCoreSdkTests.Util;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Net.Http;
using System.Text.RegularExpressions;
using System.Threading;
namespace AspNetCoreSdkTests.Templates
{
public abstract class Template
{
private static readonly TimeSpan _sleepBetweenHttpRequests = TimeSpan.FromMilliseconds(100);
private static readonly TimeSpan _sleepBetweenOutputContains = TimeSpan.FromMilliseconds(100);
private static readonly HttpClient _httpClient = new HttpClient(new HttpClientHandler()
{
// Allow self-signed certs
ServerCertificateCustomValidationCallback = (m, c, ch, p) => true
});
private static ConcurrentDictionary<(Type, NuGetConfig), Template> _templates = new ConcurrentDictionary<(Type, NuGetConfig), Template>();
public static T GetInstance<T>(NuGetConfig nuGetConfig) where T : Template, new()
{
return (T)_templates.GetOrAdd((typeof(T), nuGetConfig), (k) => new T() { NuGetConfig = nuGetConfig });
}
private Lazy<IEnumerable<string>> _objFilesAfterRestore;
private Lazy<(IEnumerable<string> ObjFiles, IEnumerable<string> BinFiles)> _filesAfterBuild;
private Lazy<IEnumerable<string>> _filesAfterPublish;
private Lazy<(HttpResponseMessage Http, HttpResponseMessage Https)> _httpResponsesAfterRun;
private Lazy<(HttpResponseMessage Http, HttpResponseMessage Https)> _httpResponsesAfterExec;
public NuGetConfig NuGetConfig { get; private set; }
protected Template()
{
_objFilesAfterRestore = new Lazy<IEnumerable<string>>(
GetObjFilesAfterRestore, LazyThreadSafetyMode.ExecutionAndPublication);
_filesAfterBuild = new Lazy<(IEnumerable<string> ObjFiles, IEnumerable<string> BinFiles)>(
GetFilesAfterBuild, LazyThreadSafetyMode.ExecutionAndPublication);
_filesAfterPublish = new Lazy<IEnumerable<string>>(
GetFilesAfterPublish, LazyThreadSafetyMode.ExecutionAndPublication);
_httpResponsesAfterRun = new Lazy<(HttpResponseMessage Http, HttpResponseMessage Https)>(
GetHttpResponsesAfterRun, LazyThreadSafetyMode.ExecutionAndPublication);
_httpResponsesAfterExec = new Lazy<(HttpResponseMessage Http, HttpResponseMessage Https)>(
GetHttpResponsesAfterExec, LazyThreadSafetyMode.ExecutionAndPublication);
}
public override string ToString() => $"{Name},{NuGetConfig}";
private string TempDir => Path.Combine(AssemblySetUp.TempDir, Name, NuGetConfig.ToString());
public abstract string Name { get; }
public abstract TemplateType Type { get; }
public virtual string RelativeUrl => string.Empty;
public IEnumerable<string> ObjFilesAfterRestore => _objFilesAfterRestore.Value;
public IEnumerable<string> ObjFilesAfterBuild => _filesAfterBuild.Value.ObjFiles;
public IEnumerable<string> BinFilesAfterBuild => _filesAfterBuild.Value.BinFiles;
public IEnumerable<string> FilesAfterPublish => _filesAfterPublish.Value;
public HttpResponseMessage HttpResponseAfterRun => _httpResponsesAfterRun.Value.Http;
public HttpResponseMessage HttpsResponseAfterRun => _httpResponsesAfterRun.Value.Https;
public HttpResponseMessage HttpResponseAfterExec => _httpResponsesAfterExec.Value.Http;
public HttpResponseMessage HttpsResponseAfterExec => _httpResponsesAfterExec.Value.Https;
public virtual IEnumerable<string> ExpectedObjFilesAfterRestore => new[]
{
$"{Name}.csproj.nuget.cache",
@ -22,6 +85,101 @@ namespace AspNetCoreSdkTests.Templates
public abstract IEnumerable<string> ExpectedFilesAfterPublish { get; }
public override string ToString() => Name;
private IEnumerable<string> GetObjFilesAfterRestore()
{
Directory.CreateDirectory(TempDir);
DotNetUtil.New(Name, TempDir);
DotNetUtil.Restore(TempDir, NuGetConfig);
return IOUtil.GetFiles(System.IO.Path.Combine(TempDir, "obj"));
}
private (IEnumerable<string> ObjFiles, IEnumerable<string> BinFiles) GetFilesAfterBuild()
{
// Build depends on Restore
_ = ObjFilesAfterRestore;
DotNetUtil.Build(TempDir);
return (IOUtil.GetFiles(System.IO.Path.Combine(TempDir, "obj")), IOUtil.GetFiles(System.IO.Path.Combine(TempDir, "bin")));
}
private IEnumerable<string> GetFilesAfterPublish()
{
// Publish depends on Build
_ = BinFilesAfterBuild;
DotNetUtil.Publish(TempDir);
return IOUtil.GetFiles(System.IO.Path.Combine(TempDir, DotNetUtil.PublishOutput));
}
private (HttpResponseMessage Http, HttpResponseMessage Https) GetHttpResponsesAfterRun()
{
// Run depends on Build
_ = BinFilesAfterBuild;
return GetHttpResponses(DotNetUtil.Run(TempDir));
}
private (HttpResponseMessage Http, HttpResponseMessage Https) GetHttpResponsesAfterExec()
{
// Exec depends on Publish
_ = FilesAfterPublish;
return GetHttpResponses(DotNetUtil.Exec(TempDir, Name));
}
private (HttpResponseMessage Http, HttpResponseMessage Https) GetHttpResponses(
(Process Process, ConcurrentStringBuilder OutputBuilder, ConcurrentStringBuilder ErrorBuilder) process)
{
try
{
var (httpUrl, httpsUrl) = ScrapeUrls(process);
return (GetAsync(new Uri(new Uri(httpUrl), RelativeUrl)), GetAsync(new Uri(new Uri(httpsUrl), RelativeUrl)));
}
finally
{
DotNetUtil.StopProcess(process, throwOnError: false);
}
}
private (string HttpUrl, string HttpsUrl) ScrapeUrls(
(Process Process, ConcurrentStringBuilder OutputBuilder, ConcurrentStringBuilder ErrorBuilder) process)
{
// Extract URLs from output
while (true)
{
var output = process.OutputBuilder.ToString();
if (output.Contains("Application started"))
{
var httpUrl = Regex.Match(output, @"Now listening on: (http:\S*)").Groups[1].Value;
var httpsUrl = Regex.Match(output, @"Now listening on: (https:\S*)").Groups[1].Value;
return (httpUrl, httpsUrl);
}
else if (process.Process.HasExited)
{
var startInfo = process.Process.StartInfo;
throw new InvalidOperationException(
$"Failed to start process '{startInfo.FileName} {startInfo.Arguments}'" + Environment.NewLine + output);
}
else
{
Thread.Sleep(_sleepBetweenOutputContains);
}
}
}
private HttpResponseMessage GetAsync(Uri requestUri)
{
while (true)
{
try
{
return _httpClient.GetAsync(requestUri).Result;
}
catch
{
Thread.Sleep(_sleepBetweenHttpRequests);
}
}
}
}
}

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@ -1,42 +0,0 @@
using NUnit.Framework;
using System;
using System.Collections.Generic;
using System.Linq;
namespace AspNetCoreSdkTests.Templates
{
public static class TemplateData
{
private static IEnumerable<Template> Templates { get; } = new Template[]
{
ConsoleApplicationTemplate.Instance,
ClassLibraryTemplate.Instance,
WebTemplate.Instance,
MvcTemplate.Instance,
RazorTemplate.Instance,
AngularTemplate.Instance,
ReactTemplate.Instance,
ReactReduxTemplate.Instance,
RazorClassLibraryTemplate.Instance,
WebApiTemplate.Instance,
};
private static IEnumerable<NuGetConfig> NuGetConfigs { get; } = Enum.GetValues(typeof(NuGetConfig)).Cast<NuGetConfig>();
private static IEnumerable<TestCaseData> All { get; } =
from t in Templates
from c in NuGetConfigs
// Exclude the DotNetCore NuGet.config scenarios unless temporarily required to make tests pass
where c != NuGetConfig.DotNetCore
select new TestCaseData(t, c);
private static IEnumerable<TestCaseData> IgnoreRazorClassLibEmpty { get; } =
from d in All
select (
((Template)d.Arguments[0] == RazorClassLibraryTemplate.Instance && (NuGetConfig)d.Arguments[1] == NuGetConfig.Empty) ?
d.Ignore("https://github.com/aspnet/Universe/issues/1123") :
d);
public static IEnumerable<TestCaseData> Current => IgnoreRazorClassLibEmpty;
}
}

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@ -5,9 +5,7 @@ namespace AspNetCoreSdkTests.Templates
{
public class WebApiTemplate : WebTemplate
{
public new static WebApiTemplate Instance { get; } = new WebApiTemplate();
protected WebApiTemplate() { }
public WebApiTemplate() { }
public override string Name => "webapi";

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@ -6,9 +6,7 @@ namespace AspNetCoreSdkTests.Templates
{
public class WebTemplate : ConsoleApplicationTemplate
{
public new static WebTemplate Instance { get; } = new WebTemplate();
protected WebTemplate() { }
public WebTemplate() { }
public override string Name => "web";

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@ -1,4 +1,23 @@
using NUnit.Framework;
using AspNetCoreSdkTests.Util;
using NUnit.Framework;
// Run all test cases in parallel
[assembly: Parallelizable(ParallelScope.Children)]
[SetUpFixture]
public class AssemblySetUp
{
public static string TempDir { get; private set; }
[OneTimeSetUp]
public void SetUp()
{
TempDir = IOUtil.GetTempDir();
}
[OneTimeTearDown]
public void TearDown()
{
IOUtil.DeleteDir(TempDir);
}
}

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@ -1,112 +0,0 @@
using AspNetCoreSdkTests.Templates;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Text.RegularExpressions;
using System.Threading;
namespace AspNetCoreSdkTests.Util
{
public class DotNetContext : TempDir
{
private static readonly TimeSpan _sleepBetweenOutputContains = TimeSpan.FromMilliseconds(100);
private (Process Process, ConcurrentStringBuilder OutputBuilder, ConcurrentStringBuilder ErrorBuilder) _runProcess;
private (Process Process, ConcurrentStringBuilder OutputBuilder, ConcurrentStringBuilder ErrorBuilder) _execProcess;
public DotNetContext(Template template) { Template = template; }
public Template Template { get; }
public string New()
{
return DotNetUtil.New(Template.Name, Path);
}
public string Restore(NuGetConfig config)
{
return DotNetUtil.Restore(Path, config);
}
public string Build()
{
return DotNetUtil.Build(Path);
}
public (string httpUrl, string httpsUrl) Run()
{
_runProcess = DotNetUtil.Run(Path);
return ScrapeUrls(_runProcess);
}
public (string httpUrl, string httpsUrl) Exec()
{
_execProcess = DotNetUtil.Exec(Path, Template.Name);
return ScrapeUrls(_execProcess);
}
private (string httpUrl, string httpsUrl) ScrapeUrls(
(Process Process, ConcurrentStringBuilder OutputBuilder, ConcurrentStringBuilder ErrorBuilder) process)
{
// Extract URLs from output
while (true)
{
var output = process.OutputBuilder.ToString();
if (output.Contains("Application started"))
{
var httpUrl = Regex.Match(output, @"Now listening on: (http:\S*)").Groups[1].Value;
var httpsUrl = Regex.Match(output, @"Now listening on: (https:\S*)").Groups[1].Value;
return (httpUrl, httpsUrl);
}
else if (process.Process.HasExited)
{
var startInfo = process.Process.StartInfo;
throw new InvalidOperationException(
$"Failed to start process '{startInfo.FileName} {startInfo.Arguments}'" + Environment.NewLine + output);
}
else
{
Thread.Sleep(_sleepBetweenOutputContains);
}
}
}
public string Publish()
{
return DotNetUtil.Publish(Path);
}
public IEnumerable<string> GetObjFiles()
{
return IOUtil.GetFiles(System.IO.Path.Combine(Path, "obj"));
}
public IEnumerable<string> GetBinFiles()
{
return IOUtil.GetFiles(System.IO.Path.Combine(Path, "bin"));
}
public IEnumerable<string> GetPublishFiles()
{
return IOUtil.GetFiles(System.IO.Path.Combine(Path, DotNetUtil.PublishOutput));
}
public override void Dispose()
{
// Must stop processes to release filehandles before calling base.Dispose() which deletes app dir
Dispose(_runProcess);
Dispose(_execProcess);
base.Dispose();
}
private static void Dispose((Process Process, ConcurrentStringBuilder OutputBuilder, ConcurrentStringBuilder ErrorBuilder) process)
{
if (process.Process != null)
{
DotNetUtil.StopProcess(process.Process, process.OutputBuilder, process.ErrorBuilder, throwOnError: false);
process.Process = null;
}
}
}
}

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@ -57,7 +57,7 @@ namespace AspNetCoreSdkTests.Util
IEnumerable<KeyValuePair<string, string>> environment = null, bool throwOnError = true)
{
var p = StartDotNet(arguments, workingDirectory, environment);
return WaitForExit(p.Process, p.OutputBuilder, p.ErrorBuilder, throwOnError: throwOnError);
return WaitForExit(p, throwOnError: throwOnError);
}
private static (Process Process, ConcurrentStringBuilder OutputBuilder, ConcurrentStringBuilder ErrorBuilder) StartDotNet(
@ -110,38 +110,38 @@ namespace AspNetCoreSdkTests.Util
return (process, outputBuilder, errorBuilder);
}
public static string StopProcess(Process process, ConcurrentStringBuilder outputBuilder, ConcurrentStringBuilder errorBuilder,
public static string StopProcess((Process Process, ConcurrentStringBuilder OutputBuilder, ConcurrentStringBuilder ErrorBuilder) process,
bool throwOnError = true)
{
if (!process.HasExited)
if (!process.Process.HasExited)
{
process.KillTree();
process.Process.KillTree();
}
return WaitForExit(process, outputBuilder, errorBuilder, throwOnError: throwOnError);
return WaitForExit(process, throwOnError: throwOnError);
}
public static string WaitForExit(Process process, ConcurrentStringBuilder outputBuilder, ConcurrentStringBuilder errorBuilder,
public static string WaitForExit((Process Process, ConcurrentStringBuilder OutputBuilder, ConcurrentStringBuilder ErrorBuilder) process,
bool throwOnError = true)
{
// Workaround issue where WaitForExit() blocks until child processes are killed, which is problematic
// for the dotnet.exe NodeReuse child processes. I'm not sure why this is problematic for dotnet.exe child processes
// but not for MSBuild.exe child processes. The workaround is to specify a large timeout.
// https://stackoverflow.com/a/37983587/102052
process.WaitForExit(int.MaxValue);
process.Process.WaitForExit(int.MaxValue);
if (throwOnError && process.ExitCode != 0)
if (throwOnError && process.Process.ExitCode != 0)
{
var sb = new ConcurrentStringBuilder();
sb.AppendLine($"Command {process.StartInfo.FileName} {process.StartInfo.Arguments} returned exit code {process.ExitCode}");
sb.AppendLine($"Command {process.Process.StartInfo.FileName} {process.Process.StartInfo.Arguments} returned exit code {process.Process.ExitCode}");
sb.AppendLine();
sb.AppendLine(outputBuilder.ToString());
sb.AppendLine(process.OutputBuilder.ToString());
throw new InvalidOperationException(sb.ToString());
}
return outputBuilder.ToString();
return process.OutputBuilder.ToString();
}
}
}

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@ -1,19 +0,0 @@
using System;
namespace AspNetCoreSdkTests.Util
{
public class TempDir : IDisposable
{
public string Path { get; }
public TempDir()
{
Path = IOUtil.GetTempDir();
}
public virtual void Dispose()
{
IOUtil.DeleteDir(Path);
}
}
}