1.0.2: fixed bug where timeouts would suppress throwOnError errors

Author: madelson

MedallionShell.Tests/GeneralTest.cs

@@ -4,6 +4,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Reflection;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
@@ -121,6 +122,15 @@ public void TestExitCode()
             shell.Run("SampleCommand", "exit", 0).Task.Wait();
         }
 
+        [TestMethod]
+        public void TestThrowOnErrorWithTimeout()
+        {
+            var command = Command.Run("SampleCommand", new object[] { "exit", 1 }, o => o.ThrowOnError().Timeout(TimeSpan.FromDays(1)));
+            var ex = UnitTestHelpers.AssertThrows<AggregateException>(() => command.Task.Wait());
+            ex.InnerExceptions.Select(e => e.GetType()).SequenceEqual(new[] { typeof(ErrorExitCodeException) })
+                .ShouldEqual(true);
+        }
+
         [TestMethod]
         public void TestTimeout()
         {
@@ -219,6 +229,15 @@ public void TestNestedKill()
             UnitTestHelpers.AssertThrows<ArgumentOutOfRangeException>(() => lines[0].ShouldEqual("a line"));
         }
 
+        [TestMethod]
+        public void TestVersioning()
+        {
+            var version = typeof(Command).Assembly.GetName().Version.ToString();
+            var informationalVersion = (AssemblyInformationalVersionAttribute)typeof(Command).Assembly.GetCustomAttribute(typeof(AssemblyInformationalVersionAttribute));
+            Assert.IsNotNull(informationalVersion);
+            version.ShouldEqual(informationalVersion.InformationalVersion + ".0");
+        }
+
         private IEnumerable<string> ErrorLines()
         {
             yield return "1";

MedallionShell/MedallionShell.nuspec

@@ -15,7 +15,7 @@
       A lightweight library that simplifies working with processes in .NET
     </description>
     <releaseNotes>
-      Allowed for argument ommission in Command.Run(), other minor fixes
+      Fixed bug where timeout would suppress errors from ThrowOnError option
     </releaseNotes>
     <copyright>Copyright 2014</copyright>
     <tags>process async</tags>

MedallionShell/ProcessCommand.cs

@@ -147,9 +147,16 @@ private static Task CreateProcessTask(Process process, bool throwOnError, TimeSp
         }
 
         private static async Task AddTimeout(Task task, Process process, TimeSpan timeout)
-        {
+        { 
+            // wait for either the given task or the timeout to complete
             // http://stackoverflow.com/questions/4238345/asynchronously-wait-for-taskt-to-complete-with-timeout
-            if (await SystemTask.WhenAny(task, SystemTask.Delay(timeout)).ConfigureAwait(false) != task) 
+            var completed = await SystemTask.WhenAny(task, SystemTask.Delay(timeout)).ConfigureAwait(false);
+
+            // Task.WhenAny() swallows errors: wait for the completed task to propagate any errors that occurred
+            await completed.ConfigureAwait(false);
+
+            // if we timed out, kill the process
+            if (completed != task) 
             {
                 Log.WriteLine("Process timed out");
                 TryKillProcess(process);

MedallionShell/Properties/AssemblyInfo.cs

@@ -33,8 +33,10 @@
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
 
+// 1.0.2: fixed bug where timeout would suppress errors from ThrowOnError option
 // 1.0.1.0: allowed for argument ommission in Command.Run(), other minor fixes
-[assembly: AssemblyVersion("1.0.1.0")]
+[assembly: AssemblyInformationalVersion("1.0.2")]
+[assembly: AssemblyVersion("1.0.2.0")]
 [assembly: AssemblyFileVersion("1.0.0.0")]
 
 [assembly: InternalsVisibleTo("MedallionShell.Tests")]