Add codecov

.github/workflows/ci.yml

@@ -28,7 +28,21 @@ jobs:
       run: docker compose run --rm get-data
     - name: Cache rust build
       uses: Swatinem/rust-cache@v2
+    - name: Install cargo-llvm-cov
+      uses: taiki-e/install-action@cargo-llvm-cov
     - name: Compile test binary
-      run: cargo test --no-run
+      run: |
+        source <(cargo llvm-cov show-env --export-prefix)
+        cargo test --no-run --locked
     - name: Run tests
-      run: cargo test
+      run: cargo llvm-cov test --locked --codecov --output-path codecov.json
+    - name: Print service logs
+      if: failure()
+      run: docker compose logs
+    - name: Upload coverage to Codecov
+      if: always()
+      uses: codecov/codecov-action@v4
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        files: codecov.json
+        fail_ci_if_error: true

README.md

@@ -3,6 +3,7 @@
 [![GitHub tag](https://img.shields.io/github/v/tag/FNNDSC/oxidicom?filter=v*.*.*&label=version)](https://github.com/FNNDSC/oxidicom/pkgs/container/oxidicom)
 [![MIT License](https://img.shields.io/github/license/fnndsc/oxidicom)](https://github.com/FNNDSC/oxidicom/blob/master/LICENSE)
 [![CI](https://github.com/FNNDSC/oxidicom/actions/workflows/ci.yml/badge.svg)](https://github.com/FNNDSC/oxidicom/actions/workflows/ci.yml)
+[![codecov](https://codecov.io/gh/FNNDSC/oxidicom/graph/badge.svg?token=24J11SWJEA)](https://codecov.io/gh/FNNDSC/oxidicom)
 
 _oxidicom_ is a high-performance DICOM receiver for the
 [_ChRIS_ backend](https://github.com/FNNDSC/ChRIS_ultron_backEnd) (CUBE).