Add coverage measurement to GitHub Actions

.github/workflows/boxes.yml

@@ -1,17 +1,26 @@
 name: build
 
-on: [push, pull_request]
+on: [push, pull_request, workflow_dispatch]
 
 jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: add-packages
-      run: |
-        sudo apt-get update -y
-        sudo apt-get install -y git flex bison libunistring-dev libpcre2-dev diffutils vim-common
-    - name: make
-      run: make
-    - name: make test
-      run: make test
+    build:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+
+            - name: add-packages
+              run: |
+                  sudo apt-get update -y
+                  sudo apt-get install -y git flex bison libunistring-dev libpcre2-dev diffutils vim-common lcov
+
+            - name: make cov
+              run: make cov
+
+            - name: make covtest
+              run: make covtest
+
+            - name: Coveralls
+              uses: coverallsapp/github-action@master
+              with:
+                  github-token: ${{ secrets.GITHUB_TOKEN }}
+                  path-to-lcov: out/lcov-blackbox.info

README.md

@@ -1,4 +1,5 @@
 [![Build Status](https://github.com/ascii-boxes/boxes/actions/workflows/boxes.yml/badge.svg)](https://github.com/ascii-boxes/boxes/actions/workflows/boxes.yml)
+[![Coverage](https://coveralls.io/repos/github/ascii-boxes/boxes/badge.svg?branch=master)](https://coveralls.io/github/ascii-boxes/boxes?branch=master)
 [![Latest Version](https://img.shields.io/github/v/release/ascii-boxes/boxes?label=latest)](https://boxes.thomasjensen.com/releases.html)
 
 # boxes