Update RunawayProcessKillerTest.cs

src/Test/winswTests/Extensions/RunawayProcessKillerTest.cs

@@ -63,5 +63,61 @@ $@"<service>
             manager.FireOnWrapperStarted();
             manager.FireBeforeWrapperStopped();
         }
+
+        [Test]
+        public void ShouldKillTheSpawnedProcess()
+        {
+            Assert.Ignore();
+
+            var winswId = "myAppWithRunaway";
+            var extensionId = "runawayProcessKiller";
+            var tmpDir = FilesystemTestHelper.CreateTmpDirectory();
+
+            // Spawn the test process
+            Process proc = new Process();
+            var ps = proc.StartInfo;
+            ps.FileName = "cmd.exe";
+            ps.Arguments = "/c pause";
+            ps.UseShellExecute = false;
+            ps.RedirectStandardOutput = true;
+            ps.EnvironmentVariables[WinSWSystem.EnvVarNameServiceId] = winswId;
+            proc.Start();
+
+            try
+            {
+                // Generate extension and ensure that the roundtrip is correct
+                var pidfile = Path.Combine(tmpDir, "process.pid");
+                var sd = ConfigXmlBuilder.create(id: winswId)
+                    .WithRunawayProcessKiller(new RunawayProcessKillerExtension(pidfile), extensionId)
+                    .ToServiceDescriptor();
+                WinSWExtensionManager manager = new WinSWExtensionManager(sd);
+                manager.LoadExtensions();
+                var extension = manager.Extensions[extensionId] as RunawayProcessKillerExtension;
+                Assert.IsNotNull(extension, "RunawayProcessKillerExtension should be loaded");
+                Assert.AreEqual(pidfile, extension.Pidfile, "PidFile should have been retained during the config roundtrip");
+
+                // Inject PID
+                File.WriteAllText(pidfile, proc.Id.ToString());
+
+                // Try to terminate
+                Assert.That(!proc.HasExited, "Process " + proc + " has exited before the RunawayProcessKiller extension invocation");
+                _ = proc.StandardOutput.Read();
+                extension.OnWrapperStarted();
+                Assert.That(proc.HasExited, "Process " + proc + " should have been terminated by RunawayProcessKiller");
+            }
+            finally
+            {
+                if (!proc.HasExited)
+                {
+                    Console.Error.WriteLine("Test: Killing runaway process with ID=" + proc.Id);
+                    ProcessHelper.StopProcessAndChildren(proc.Id, TimeSpan.FromMilliseconds(100), false);
+                    if (!proc.HasExited)
+                    {
+                        // The test is failed here anyway, but we add additional diagnostics info
+                        Console.Error.WriteLine("Test: ProcessHelper failed to properly terminate process with ID=" + proc.Id);
+                    }
+                }
+            }
+        }
     }
 }