Create extension method for determining if the VBE is running

Author: Hosch250

RetailCoder.VBE/UI/Command/RunAllTestsCommand.cs

@@ -5,6 +5,7 @@
 using Rubberduck.Parsing.VBA;
 using Rubberduck.UI.UnitTesting;
 using Rubberduck.UnitTesting;
+using Rubberduck.VBEditor.Extensions;
 
 namespace Rubberduck.UI.Command
 {
@@ -28,7 +29,7 @@ public RunAllTestsCommand(VBE vbe, RubberduckParserState state, ITestEngine engi
 
         public override bool CanExecute(object parameter)
         {
-            return _vbe.VBProjects.Cast<VBProject>().All(project => project.Mode == vbext_VBAMode.vbext_vm_Design);
+            return _vbe.IsInDesignMode();
         }
 
         public override void Execute(object parameter)

RetailCoder.VBE/UI/UnitTesting/TestExplorerViewModel.cs

@@ -13,6 +13,7 @@
 using Rubberduck.UI.Controls;
 using Rubberduck.UI.Settings;
 using Rubberduck.UnitTesting;
+using Rubberduck.VBEditor.Extensions;
 
 namespace Rubberduck.UI.UnitTesting
 {
@@ -85,26 +86,22 @@ private void RunCompleted(object sender, TestRunEventArgs e)
 
         private bool CanExecuteRunPassedTestsCommand(object obj)
         {
-            return _vbe.VBProjects.Cast<VBProject>().All(project => project.Mode == vbext_VBAMode.vbext_vm_Design) &&
-                   _model.Tests.Any(test => test.Result.Outcome == TestOutcome.Succeeded);
+            return _vbe.IsInDesignMode() && _model.Tests.Any(test => test.Result.Outcome == TestOutcome.Succeeded);
         }
 
         private bool CanExecuteRunFailedTestsCommand(object obj)
         {
-            return _vbe.VBProjects.Cast<VBProject>().All(project => project.Mode == vbext_VBAMode.vbext_vm_Design) &&
-                   _model.Tests.Any(test => test.Result.Outcome == TestOutcome.Failed);
+            return _vbe.IsInDesignMode() && _model.Tests.Any(test => test.Result.Outcome == TestOutcome.Failed);
         }
 
         private bool CanExecuteRunNotExecutedTestsCommand(object obj)
         {
-            return _vbe.VBProjects.Cast<VBProject>().All(project => project.Mode == vbext_VBAMode.vbext_vm_Design) &&
-                   _model.Tests.Any(test => test.Result.Outcome == TestOutcome.Unknown);
+            return _vbe.IsInDesignMode() && _model.Tests.Any(test => test.Result.Outcome == TestOutcome.Unknown);
         }
 
         private bool CanExecuteRepeatLastRunCommand(object obj)
         {
-            return _vbe.VBProjects.Cast<VBProject>().All(project => project.Mode == vbext_VBAMode.vbext_vm_Design) &&
-                   _model.LastRun.Any();
+            return _vbe.IsInDesignMode() && _model.LastRun.Any();
         }
 
         public event EventHandler<EventArgs> TestCompleted;

Rubberduck.VBEEditor/Extensions/VbeExtensions.cs

@@ -28,6 +28,11 @@ public static void SetSelection(this VBE vbe, VBProject vbProject, Selection sel
             }
         }
 
+        public static bool IsInDesignMode(this VBE vbe)
+        {
+            return vbe.VBProjects.Cast<VBProject>().All(project => project.Mode == vbext_VBAMode.vbext_vm_Design);
+        }
+
         public static CodeModuleSelection FindInstruction(this VBE vbe, QualifiedModuleName qualifiedModuleName, Selection selection)
         {
             var module = qualifiedModuleName.Component.CodeModule;