Display code coverage results when solution opened.

On opening a solution previous code coverage results files are located and displayed in the code coverage pad.

src/AddIns/Analysis/CodeCoverage/Project/CodeCoverage.csproj

@@ -91,8 +91,10 @@
     <Compile Include="Src\OpenCoverApplication.cs" />
     <Compile Include="Src\OpenCoverSettings.cs" />
     <Compile Include="Src\OpenCoverSettingsFactory.cs" />
+    <Compile Include="Src\ProjectCodeCoverageResultsFileName.cs" />
     <Compile Include="Src\RunAllTestsWithCodeCoverageCommand.cs" />
     <Compile Include="Src\SequencePointListViewSorter.cs" />
+    <Compile Include="Src\SolutionCodeCoverageResults.cs" />
     <Compile Include="Src\ToggleCodeCoverageCommand.cs" />
     <Compile Include="Src\CodeCoverageHighlighter.cs" />
     <Compile Include="Src\CodeCoverageOptions.cs" />

src/AddIns/Analysis/CodeCoverage/Project/Src/CodeCoverageService.cs

@@ -5,6 +5,7 @@ using ICSharpCode.SharpDevelop.Editor;
 using System;
 using System.Collections.Generic;
 using ICSharpCode.SharpDevelop.Gui;
+using ICSharpCode.SharpDevelop.Project;
 
 namespace ICSharpCode.CodeCoverage
 {
@@ -20,6 +21,7 @@ namespace ICSharpCode.CodeCoverage
 		static CodeCoverageService()
 		{
 			WorkbenchSingleton.Workbench.ViewOpened += ViewOpened;
+			ProjectService.SolutionLoaded += SolutionLoaded;
 		}
 		
 		/// <summary>
@@ -143,5 +145,13 @@ namespace ICSharpCode.CodeCoverage
 				return results.Count > 0;
 			}
 		}
+		
+		static void SolutionLoaded(object sender, SolutionEventArgs e)
+		{
+			var solutionCodeCoverageResults = new SolutionCodeCoverageResults(e.Solution);
+			foreach (CodeCoverageResults results in solutionCodeCoverageResults.GetCodeCoverageResultsForAllProjects()) {
+				ShowResults(results);
+			}
+		}
 	}
 }

src/AddIns/Analysis/CodeCoverage/Project/Src/OpenCoverApplication.cs

@@ -65,18 +65,7 @@ namespace ICSharpCode.CodeCoverage
 		}
 		
 		public string CodeCoverageResultsFileName {
-			get { return GetCodeCoverageResultsFileName(); }
+			get { return new ProjectCodeCoverageResultsFileName(nunitConsoleApp.Project).FileName; }
-		}
-		
-		string GetCodeCoverageResultsFileName()
-		{
-			string  outputDirectory = GetOutputDirectory(nunitConsoleApp.Project);
-			return Path.Combine(outputDirectory, "coverage.xml");
-		}
-		
-		string GetOutputDirectory(IProject project)
-		{
-			return Path.Combine(project.Directory, "OpenCover");
 		}
 		
 		public ProcessStartInfo GetProcessStartInfo()

src/AddIns/Analysis/CodeCoverage/Project/Src/ProjectCodeCoverageResultsFileName.cs

@@ -0,0 +1,30 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.IO;
+using ICSharpCode.SharpDevelop.Project;
+
+namespace ICSharpCode.CodeCoverage
+{
+	public class ProjectCodeCoverageResultsFileName
+	{
+		public ProjectCodeCoverageResultsFileName(IProject project)
+		{
+			FileName = GetCodeCoverageResultsFileName(project);
+		}
+		
+		public string FileName { get; private set; }
+		
+		string GetCodeCoverageResultsFileName(IProject project)
+		{
+			string  outputDirectory = GetOutputDirectory(project);
+			return Path.Combine(outputDirectory, "coverage.xml");
+		}
+		
+		string GetOutputDirectory(IProject project)
+		{
+			return Path.Combine(project.Directory, "OpenCover");
+		}
+	}
+}

src/AddIns/Analysis/CodeCoverage/Project/Src/SolutionCodeCoverageResults.cs

@@ -0,0 +1,48 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+using ICSharpCode.SharpDevelop.Project;
+
+namespace ICSharpCode.CodeCoverage
+{
+	public class SolutionCodeCoverageResults
+	{
+		Solution solution;
+		IFileSystem fileSystem;
+		
+		public SolutionCodeCoverageResults(Solution solution)
+			: this(solution, new FileSystem())
+		{
+		}
+		
+		public SolutionCodeCoverageResults(Solution solution, IFileSystem fileSystem)
+		{
+			this.solution = solution;
+			this.fileSystem = fileSystem;
+		}
+		
+		public IEnumerable<CodeCoverageResults> GetCodeCoverageResultsForAllProjects()
+		{
+			foreach (IProject project in solution.Projects) {
+				CodeCoverageResults results = GetCodeCoverageResultsForProject(project);
+				if (results != null) {
+					yield return results;
+				}
+			}
+		}
+		
+		CodeCoverageResults GetCodeCoverageResultsForProject(IProject project)
+		{
+			var fileName = new ProjectCodeCoverageResultsFileName(project);
+			if (fileSystem.FileExists(fileName.FileName)) {
+				TextReader reader = fileSystem.CreateTextReader(fileName.FileName);
+				return new CodeCoverageResults(reader);
+			}
+			return null;
+		}
+	}
+}

src/AddIns/Analysis/CodeCoverage/Test/CodeCoverage.Tests.csproj

@@ -38,6 +38,9 @@
     <Reference Include="PresentationCore">
       <RequiredTargetFramework>3.0</RequiredTargetFramework>
     </Reference>
+    <Reference Include="Rhino.Mocks">
+      <HintPath>..\..\..\..\Libraries\RhinoMocks\Rhino.Mocks.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Xml" />
     <Reference Include="System.Windows.Forms" />
@@ -75,6 +78,7 @@
     <Compile Include="Coverage\RemoveTaskMarkerTests.cs" />
     <Compile Include="Coverage\SequencePointTests.cs" />
     <Compile Include="Coverage\SimilarRootNamespaceTestFixture.cs" />
+    <Compile Include="Coverage\SolutionCodeCoverageResultsTests.cs" />
     <Compile Include="Gui\DisplayItemTestFixture.cs" />
     <Compile Include="Gui\PropertiesInCodeCoverageTreeView.cs" />
     <Compile Include="Gui\TreeViewSortingTestFixture.cs" />

src/AddIns/Analysis/CodeCoverage/Test/Coverage/SolutionCodeCoverageResultsTests.cs

@@ -0,0 +1,89 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+
+using ICSharpCode.CodeCoverage.Tests.Utils;
+using ICSharpCode.SharpDevelop.Project;
+using NUnit.Framework;
+using Rhino.Mocks;
+using UnitTesting.Tests.Utils;
+
+namespace ICSharpCode.CodeCoverage.Tests.Coverage
+{
+	[TestFixture]
+	public class SolutionCodeCoverageResultsTests
+	{
+		SolutionCodeCoverageResults solutionCodeCoverageResults;
+		Solution solution;
+		IFileSystem fakeFileSystem;
+		
+		void CreateSolutionCodeCoverageResults()
+		{
+			solution = new Solution(new MockProjectChangeWatcher());
+			fakeFileSystem = MockRepository.GenerateStub<IFileSystem>();
+			solutionCodeCoverageResults = new SolutionCodeCoverageResults(solution, fakeFileSystem);
+		}
+		
+		IEnumerable<CodeCoverageResults> GetCodeCoverageResultsForAllProjects()
+		{
+			return solutionCodeCoverageResults.GetCodeCoverageResultsForAllProjects();
+		}
+		
+		void AddProject(string fileName)
+		{
+			var project = new MockCSharpProject(solution, Path.GetFileNameWithoutExtension(fileName));
+			project.FileName = fileName;
+			solution.Folders.Add(project);
+		}
+		
+		void AddCodeCoverageFile(string fileName)
+		{
+			string coverageXml = "<CodeCoverage></CodeCoverage>";
+			AddCodeCoverageFile(fileName, coverageXml);
+		}
+		
+		void AddCodeCoverageFile(string fileName, string coverageXml)
+		{
+			var stringReader = new StringReader(coverageXml);
+			fakeFileSystem.Stub(fs => fs.FileExists(fileName)).Return(true);
+			fakeFileSystem.Stub(fs => fs.CreateTextReader(fileName)).Return(stringReader);
+		}
+		
+		[Test]
+		public void GetCodeCoverageResultsForAllProjects_NoProjects_ReturnsNoResults()
+		{
+			CreateSolutionCodeCoverageResults();
+			
+			List<CodeCoverageResults> results = GetCodeCoverageResultsForAllProjects().ToList();
+			
+			Assert.AreEqual(0, results.Count);
+		}
+		
+		[Test]
+		public void GetCodeCoverageResultsForAllProjects_OneProject_ReturnsOneCodeCoverageResult()
+		{
+			CreateSolutionCodeCoverageResults();
+			AddProject(@"d:\Projects\MyProject\MyProject.csproj");
+			AddCodeCoverageFile(@"d:\Projects\MyProject\OpenCover\coverage.xml");
+			
+			List<CodeCoverageResults> results = GetCodeCoverageResultsForAllProjects().ToList();
+			
+			Assert.AreEqual(1, results.Count);
+		}
+		
+		[Test]
+		public void GetCodeCoverageResultsForAllProjects_OneProjectInSolutionWithoutCodeCoverageResultsFile_ReturnsNoResults()
+		{
+			CreateSolutionCodeCoverageResults();
+			AddProject(@"d:\Projects\MyProject\MyProject.csproj");
+			
+			List<CodeCoverageResults> results = GetCodeCoverageResultsForAllProjects().ToList();
+			
+			Assert.AreEqual(0, results.Count);
+		}
+	}
+}