public async Task RestartProcessThatTerminatesAfterFileChange()
{
var testAsset = _testAssetsManager.CopyTestAsset(AppName)
.WithSource()
.Path;
using var app = new WatchableApp(testAsset, _output);
await app.StartWatcherAsync();
var processIdentifier = await app.GetProcessIdentifier();
await app.HasExited(); // process should exit after run
await app.IsWaitingForFileChange();
var fileToChange = Path.Combine(app.SourceDirectory, "Program.cs");
try
{
File.SetLastWriteTime(fileToChange, DateTime.Now);
await app.HasRestarted();
}
catch
{
// retry
File.SetLastWriteTime(fileToChange, DateTime.Now);
await app.HasRestarted();
}
var processIdentifier2 = await app.GetProcessIdentifier();
Assert.NotEqual(processIdentifier, processIdentifier2);
await app.HasExited(); // process should exit after run
}