aspnetcore/test/Microsoft.DotNet.Watcher.To.../NoDepsAppTests.cs

121 lines
4.9 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Diagnostics;
using System.IO;
using Xunit;
namespace Microsoft.DotNet.Watcher.Tools.FunctionalTests
{
public class NoDepsAppTests
{
private static readonly TimeSpan _defaultTimeout = TimeSpan.FromSeconds(30);
[Fact]
public void RestartProcessOnFileChange()
{
using (var scenario = new NoDepsAppScenario())
{
// Wait for the process to start
using (var wait = new WaitForFileToChange(scenario.StartedFile))
{
scenario.RunDotNetWatch($"run {scenario.StatusFile} --no-exit");
wait.Wait(_defaultTimeout,
expectedToChange: true,
errorMessage: $"File not created: {scenario.StartedFile}");
}
// Then wait for it to restart when we change a file
using (var wait = new WaitForFileToChange(scenario.StartedFile))
{
var fileToChange = Path.Combine(scenario.TestAppFolder, "Program.cs");
var programCs = File.ReadAllText(fileToChange);
File.WriteAllText(fileToChange, programCs);
wait.Wait(_defaultTimeout,
expectedToChange: true,
errorMessage: $"Process did not restart because {scenario.StartedFile} was not changed");
}
// Check that the first child process is no longer running
Waiters.WaitForFileToBeReadable(scenario.StatusFile, _defaultTimeout);
var ids = File.ReadAllLines(scenario.StatusFile);
var firstProcessId = int.Parse(ids[0]);
Waiters.WaitForProcessToStop(
firstProcessId,
TimeSpan.FromSeconds(1),
expectedToStop: true,
errorMessage: $"PID: {firstProcessId} is still alive");
}
}
[Fact(Skip = "aspnet/dotnet-watch#98")]
public void RestartProcessThatTerminatesAfterFileChange()
{
using (var scenario = new NoDepsAppScenario())
{
// Wait for the process to start
using (var wait = new WaitForFileToChange(scenario.StartedFile))
{
scenario.RunDotNetWatch($"run {scenario.StatusFile}");
wait.Wait(_defaultTimeout,
expectedToChange: true,
errorMessage: $"File not created: {scenario.StartedFile}");
}
// Then wait for the app to exit
Waiters.WaitForFileToBeReadable(scenario.StartedFile, _defaultTimeout);
var ids = File.ReadAllLines(scenario.StatusFile);
var procId = int.Parse(ids[0]);
Waiters.WaitForProcessToStop(
procId,
_defaultTimeout,
expectedToStop: true,
errorMessage: "Test app did not exit");
// Then wait for it to restart when we change a file
using (var wait = new WaitForFileToChange(scenario.StartedFile))
{
var fileToChange = Path.Combine(scenario.TestAppFolder, "Program.cs");
var programCs = File.ReadAllText(fileToChange);
File.WriteAllText(fileToChange, programCs);
wait.Wait(_defaultTimeout,
expectedToChange: true,
errorMessage: $"Process did not restart because {scenario.StartedFile} was not changed");
}
}
}
private class NoDepsAppScenario : DotNetWatchScenario
{
private const string TestAppName = "NoDepsApp";
private static readonly string _testAppFolder = Path.Combine(_repositoryRoot, "test", "TestApps", TestAppName);
public NoDepsAppScenario()
{
StatusFile = Path.Combine(_scenario.TempFolder, "status");
StartedFile = StatusFile + ".started";
_scenario.AddProject(_testAppFolder);
_scenario.AddToolToProject(TestAppName, DotnetWatch);
_scenario.Restore();
TestAppFolder = Path.Combine(_scenario.WorkFolder, TestAppName);
}
public string StatusFile { get; private set; }
public string StartedFile { get; private set; }
public string TestAppFolder { get; private set; }
public void RunDotNetWatch(string args)
{
RunDotNetWatch(args, Path.Combine(_scenario.WorkFolder, TestAppName));
}
}
}
}