code coverage

Author: SimonCropp

.gitignore

@@ -8,3 +8,5 @@ obj/
 *.received.*
 nugets/
 *claude*
+*TestResults*
+coverage-report/

src/Delta.EFTests/Delta.EFTests.csproj

@@ -15,6 +15,7 @@
     <PackageReference Include="Verify.AspNetCore" />
     <PackageReference Include="NUnit3TestAdapter" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" />
+    <PackageReference Include="coverlet.collector" IncludeAssets="runtime; build; native; contentfiles; analyzers; buildtransitive" />
     <ProjectReference Include="..\Delta.EF\Delta.EF.csproj" />
     <PackageReference Include="ProjectDefaults" PrivateAssets="all" />
     <ProjectReference Include="..\Delta.SqlServer\Delta.SqlServer.csproj" />

src/DeltaTests/DeltaTests.csproj

@@ -13,6 +13,7 @@
     <PackageReference Include="Verify.AspNetCore" />
     <PackageReference Include="NUnit3TestAdapter" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" />
+    <PackageReference Include="coverlet.collector" IncludeAssets="runtime; build; native; contentfiles; analyzers; buildtransitive" />
     <PackageReference Include="MarkdownSnippets.MsBuild" PrivateAssets="all" />
     <ProjectReference Include="..\Delta.SqlServer\Delta.SqlServer.csproj" />
     <ProjectReference Include="..\Delta\Delta.csproj" />

src/DeltaTests/PostgresTests.cs

@@ -3,6 +3,9 @@
 public class PostgresTests
 {
     [Test]
+    #if DEBUG
+    [Explicit]
+    #endif
     public async Task GetLastTimeStamp()
     {
         await using var connection = new NpgsqlConnection(PostgresConnection.ConnectionString);
@@ -21,4 +24,4 @@ public async Task GetLastTimeStamp()
         IsNotNull(timeStamp);
         IsNotEmpty(timeStamp);
     }
-}
+}

src/Directory.Packages.props

@@ -16,6 +16,7 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageVersion Include="NUnit" Version="4.4.0" />
     <PackageVersion Include="NUnit3TestAdapter" Version="5.2.0" Pinned="true" />
+    <PackageVersion Include="coverlet.collector" Version="6.0.2" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.170" />
     <PackageVersion Include="Verify.AspNetCore" Version="5.0.0" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />

src/coverage.runsettings

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RunSettings>
+  <DataCollectionRunSettings>
+    <DataCollectors>
+      <DataCollector friendlyName="XPlat code coverage">
+        <Configuration>
+          <Format>cobertura,opencover</Format>
+          <Exclude>[*.Tests]*,[*.Test]*</Exclude>
+          <ExcludeByAttribute>Obsolete,GeneratedCodeAttribute,CompilerGeneratedAttribute</ExludeByAttribute>
+          <IncludeTestAssembly>false</IncludeTestAssembly>
+          <SkipAutoProps>true</SkipAutoProps>
+        </Configuration>
+      </DataCollector>
+    </DataCollectors>
+  </DataCollectionRunSettings>
+</RunSettings>

src/run-coverage.ps1

@@ -0,0 +1,24 @@
+# PowerShell script to run tests with coverage and generate HTML report
+
+Write-Host "Running tests with code coverage..." -ForegroundColor Cyan
+dotnet test --collect:"XPlat Code Coverage" --settings coverage.runsettings
+
+if ($LASTEXITCODE -ne 0) {
+    Write-Host "Tests failed!" -ForegroundColor Red
+    exit $LASTEXITCODE
+}
+
+Write-Host "`nGenerating HTML coverage report..." -ForegroundColor Cyan
+reportgenerator -reports:"**/TestResults/**/coverage.cobertura.xml" -targetdir:"../coverage-report" -reporttypes:"Html;HtmlSummary"
+
+if ($LASTEXITCODE -eq 0) {
+    Write-Host "`nCoverage report generated successfully!" -ForegroundColor Green
+    Write-Host "Open ..\coverage-report\index.html to view the report" -ForegroundColor Yellow
+
+    # Open the report in default browser
+    Start-Process "..\coverage-report\index.html"
+}
+else {
+    Write-Host "Failed to generate coverage report!" -ForegroundColor Red
+    exit $LASTEXITCODE
+}