Replace Coveralls with octocov

.github/workflows/build.yml

@@ -10,6 +10,10 @@ jobs:
     env:
       DOTNET_NOLOGO: true
 
+    permissions:
+      actions: write
+      pull-requests: write
+
     steps:
     - uses: actions/checkout@v7
       with:
@@ -34,12 +38,9 @@ jobs:
       with:
         files: "TestResults/reports/lcov.info"
 
-    - name: coveralls
-      uses: coverallsapp/github-action@v2
+    - name: Report code coverage
+      uses: k1LoW/octocov-action@v1
       if: steps.check_files.outputs.files_exists == 'true'
-      with:
-        github-token: ${{ secrets.GITHUB_TOKEN }}
-        file: TestResults/reports/lcov.info
 
     - name: Upload artifacts
       uses: actions/upload-artifact@v7

.octocov.yml

@@ -0,0 +1,17 @@
+# Configuration for octocov (https://github.com/k1LoW/octocov), which reports code coverage without an external service.
+# The coverage report of the default branch is stored as a GitHub Actions artifact, so that pull requests can show the difference.
+coverage:
+  paths:
+    - TestResults/reports/lcov.info
+comment:
+  if: is_pull_request
+  deletePrevious: true
+summary:
+  if: true
+report:
+  if: is_default_branch
+  datastores:
+    - artifact://${GITHUB_REPOSITORY}
+diff:
+  datastores:
+    - artifact://${GITHUB_REPOSITORY}

CONTRIBUTING.md

@@ -70,7 +70,7 @@ Please do:
 * Follow the style presented in the [Coding Guidelines for C#](https://csharpcodingguidelines.com/).
 * Align with the Fluent Assertions [Design Principles](https://github.com/fluentassertions/fluentassertions/issues/1340)
 * Ensure that changes are covered by a new or existing set of unit tests which follow the Arrange-Act-Assert syntax such as is used [in this example](https://github.com/fluentassertions/fluentassertions/blob/daaf35b9b59b622c96d0c034e8972a020b2bee55/Tests/FluentAssertions.Shared.Specs/BasicEquivalencySpecs.cs#L33).
-  * Also the code coverage reported by the coveralls must be non-decreasing unless accepted by the authors.
+  * Also the code coverage reported by octocov must be non-decreasing unless accepted by the authors.
 * If the contribution adds a feature or fixes a bug, please update the [**release notes**](https://github.com/fluentassertions/fluentassertions/blob/develop/docs/_pages/releases.md), which is published on the [website](https://fluentassertions.com/releases).
 * If the contribution changes the public API, the changes needs to be included by running [`AcceptApiChanges.ps1`](https://github.com/fluentassertions/fluentassertions/tree/develop/AcceptApiChanges.ps1)/[`AcceptApiChanges.sh`](https://github.com/fluentassertions/fluentassertions/tree/develop/AcceptApiChanges.sh) or using Rider's [Verify Support](https://plugins.jetbrains.com/plugin/17240-verify-support) plug-in.
 

README.md

@@ -1,7 +1,6 @@
 # FluentAssertions for DataSets
 
 [![](https://img.shields.io/github/actions/workflow/status/fluentassertions/fluentassertions.datasets/build.yml?branch=main)](https://github.com/fluentassertions/fluentassertions.datasets/actions?query=branch%3Amain)
-[![Coveralls branch](https://img.shields.io/coverallsCoverage/github/fluentassertions/fluentassertions.datasets?branch=develop)](https://coveralls.io/github/fluentassertions/fluentassertions.datasets?branch=develop)
 [![](https://img.shields.io/github/release/FluentAssertions.Datasets/FluentAssertions.Datasets.svg?label=latest%20release&color=007edf)](https://github.com/FluentAssertions/FluentAssertions.DataSets/releases/latest)
 [![](https://img.shields.io/nuget/dt/FluentAssertions.DataSets.svg?label=downloads&color=007edf&logo=nuget)](https://www.nuget.org/packages/FluentAssertions.DataSets)
 [![](https://img.shields.io/librariesio/dependents/nuget/FluentAssertions.DataSets.svg?label=dependent%20libraries)](https://libraries.io/nuget/FluentAssertions.DataSets)