More robust execution of dynamic elements

Only include valid method and theory elements as known children of a
class. Including invalid elements could confuse things - it's a known
child, but there's no task, so the dynamic element isn't executed.

Author: citizenmatt

resharper/CommonAssemblyInfo.cs

@@ -6,4 +6,4 @@
 [assembly : AssemblyDescription("xUnit.net unit test provider for " + ProductInfo.Product)]
 [assembly : AssemblyCopyright("Copyright (C) Matt Ellis")]
 [assembly : ComVisible(false)]
-[assembly : AssemblyVersion("2.3.0.0")]
+[assembly : AssemblyVersion("2.3.1.0")]

resharper/nuget/xunitcontrib.nuspec

@@ -3,12 +3,15 @@
   <metadata>
     <id>CitizenMatt.Xunit</id>
     <title>xUnit.net Test Support for ReSharper 10</title>
-    <version>2.3.0</version>
+    <version>2.3.1</version>
     <authors>Matt Ellis</authors>
     <owners>Matt Ellis</owners>
     <description>A unit test provider for xUnit.net. Discovers and runs xUnit.net 1.x and 2.x tests. Includes annotations to aid ReSharper inspections and Live Templates to speed up inserting test methods and asserts.</description>
     <summary>A unit test provider for xUnit.net</summary>
     <releaseNotes>
+&#8226; Fixed issue with discovering theories at runtime
+
+From previous releases:
 &#8226; Support for ReSharper 10 (#82)
 &#8226; Inherited tests not showing in results (#79)
 &#8226; Theories can now be excluded by category (#89)

resharper/src/provider/UnitTestElements/XunitTestClassElement.cs

@@ -67,9 +67,12 @@ public override IEnumerable<IProjectFile> GetProjectFiles()
         public override IList<UnitTestTask> GetTaskSequence(ICollection<IUnitTestElement> explicitElements, IUnitTestRun run)
         {
             var knownMethods = from c in Children.OfType<XunitTestMethodElement>()
+                where c.State.IsValid()
                 select c.MethodName;
             var knownTheories = from c in Children.OfType<XunitTestMethodElement>()
+                where c.State.IsValid()
                 from gc in c.Children.OfType<XunitTestTheoryElement>()
+                where gc.State.IsValid()
                 select gc.ShortName;
             var knownChildren = new HashSet<string>(knownMethods);
             knownChildren.AddRange(knownTheories);

resharper/src/runner/DiagnosticMessages.cs

@@ -11,18 +11,20 @@ namespace XunitContrib.Runner.ReSharper.RemoteRunner
     public class DiagnosticMessages
     {
         private readonly DiagnosticsVisitor visitor;
+        private readonly IList<string> messages; 
 
         public DiagnosticMessages(bool enabled)
         {
-            visitor = new DiagnosticsVisitor(enabled);
+            messages = new List<string>();
+            visitor = new DiagnosticsVisitor(enabled, messages);
         }
 
         public IMessageSink Visitor { get { return visitor; } }
-        public bool HasMessages { get { return visitor.Messages.Count > 0; } }
+        public bool HasMessages { get { return messages.Count > 0; } }
 
         public string Messages
         {
-            get { return string.Join(Environment.NewLine, visitor.Messages.ToArray()); }
+            get { return string.Join(Environment.NewLine, messages.ToArray()); }
         }
 
         public void Report(IRemoteTaskServer server)
@@ -34,24 +36,28 @@ public void Report(IRemoteTaskServer server)
         private class DiagnosticsVisitor : TestMessageVisitor
         {
             private readonly bool enabled;
+            private readonly IList<string> messages;
 
-            public DiagnosticsVisitor(bool enabled)
+            public DiagnosticsVisitor(bool enabled, IList<string> messages)
             {
                 this.enabled = enabled;
-                Messages = new List<string>();
+                this.messages = messages;
             }
 
             protected override bool Visit(IDiagnosticMessage diagnosticMessage)
             {
                 if (enabled && !string.IsNullOrEmpty(diagnosticMessage.Message))
                 {
                     Logger.LogVerbose("xunit diagnostic: {0}", diagnosticMessage.Message);
-                    Messages.Add(diagnosticMessage.Message);
+                    messages.Add(diagnosticMessage.Message);
                 }
                 return base.Visit(diagnosticMessage);
             }
+        }
 
-            public IList<string> Messages { get; private set; }
+        public void Add(string message)
+        {
+            messages.Add(message);
         }
     }
 }

resharper/src/runner/Tasks/XunitTaskBase.cs

@@ -1,5 +1,6 @@
 using System.Xml;
 using JetBrains.ReSharper.TaskRunnerFramework;
+using JetBrains.ReSharper.UnitTestFramework;
 
 namespace XunitContrib.Runner.ReSharper.RemoteRunner.Tasks
 {

resharper/src/runner/TestRunner.cs

@@ -1,5 +1,6 @@
 using System;
 using JetBrains.ReSharper.TaskRunnerFramework;
+using JetBrains.Util;
 using Xunit;
 using XunitContrib.Runner.ReSharper.RemoteRunner.Logging;
 using XunitContrib.Runner.ReSharper.RemoteRunner.Tasks;
@@ -31,7 +32,9 @@ public void Run(XunitTestAssemblyTask assemblyTask)
                     var discoverer = new Discoverer(controller, RunContext, environment);
                     var testCases = discoverer.GetTestCases();
 
-                    // TODO: Report something if no test cases?
+                    if (testCases.Count == 0)
+                        throw new InternalErrorException("Unexpected: Unable to find any matching test cases");
+
                     if (testCases.Count > 0)
                     {
                         RunContext.AddRange(testCases);
@@ -66,15 +69,13 @@ private void ReportException(XunitTestAssemblyTask assemblyTask, TestEnvironment
         {
             Logger.LogException(e);
 
-            var message = e.Message + Environment.NewLine + Environment.NewLine +
-                          "(Note: xUnit.net ReSharper runner requires projects are built with xUnit.net 2.0.0 RTM or later)";
             var description = "Exception: " + e;
             if (environment.DiagnosticMessages != null && environment.DiagnosticMessages.HasMessages)
             {
                 description = string.Format("{0}{1}{1}Diagnostic Messages:{1}{2}", description,
                     Environment.NewLine, environment.DiagnosticMessages.Messages);
             }
-            server.ShowNotification("Unable to run xUnit.net tests - " + message, description);
+            server.ShowNotification("Unable to run xUnit.net tests - " + e.Message, description);
 
             // This doesn't help - assemblyTask doesn't map to anything in the tree...
             server.TaskException(assemblyTask, new[] {new TaskException(e)});