CI: Enable code coverage (#252)

Author: DilumAluthge

.github/workflows/ci.yml

@@ -51,6 +51,17 @@ jobs:
       with:
         version: ${{ matrix.version }}
     - uses: julia-actions/julia-runtest@v1
+    - run: find . -type f -name '*.cov'
+    # - run: find . -type f -name '*.c  ov' -exec cat {} \;
+    - uses: julia-actions/julia-processcoverage@v1
+    - uses: codecov/codecov-action@v5
+      with:
+        files: lcov.info
+        token: ${{ secrets.CODECOV_TOKEN }}
+        # If this PR is from a fork, then do NOT fail CI if the Codecov upload errors.
+        # If this PR is NOT from a fork, then DO fail CI if the Codecov upload errors.
+        # If this is not a PR, then DO fail CI if the Codecov upload errors.
+        fail_ci_if_error: ${{ github.event_name != 'pull_request' || github.repository == github.event.pull_request.head.repo.full_name }}
   test-slurm:
     runs-on: ubuntu-latest
     timeout-minutes: 20
@@ -95,6 +106,20 @@ jobs:
     - name: Run tests without a Slurm allocation
       run: docker exec -t slurmctld julia --project=ClusterManagers -e 'import Pkg; Pkg.test(; test_args=["slurm"])'
     - name: Run tests inside salloc
-      run: docker exec -t slurmctld salloc -t 00:10:00 -n 2 julia --project=ClusterManagers -e 'import Pkg; Pkg.test(test_args=["slurm"])'
+      run: docker exec -t slurmctld salloc -t 00:10:00 -n 2 julia --project=ClusterManagers -e 'import Pkg; Pkg.test(; test_args=["slurm"], coverage=true)'
     - name: Run tests inside sbatch
       run: docker exec -t slurmctld ClusterManagers/ci/run_my_sbatch.sh
+    - run: find . -type f -name '*.cov'
+    - name: Copy .cov files out of the Docker container
+      run: docker exec slurmctld /bin/bash -c 'cd /home/docker/ClusterManagers && tar -cf - src/*.cov' | tar -xvf -
+    - run: find . -type f -name '*.cov'
+    # - run: find . -type f -name '*.cov' -exec cat {} \;
+    - uses: julia-actions/julia-processcoverage@v1
+    - uses: codecov/codecov-action@v5
+      with:
+        files: lcov.info
+        token: ${{ secrets.CODECOV_TOKEN }}
+        # If this PR is from a fork, then do NOT fail CI if the Codecov upload errors.
+        # If this PR is NOT from a fork, then DO fail CI if the Codecov upload errors.
+        # If this is not a PR, then DO fail CI if the Codecov upload errors.
+        fail_ci_if_error: ${{ github.event_name != 'pull_request' || github.repository == github.event.pull_request.head.repo.full_name }}