Actions: Add coverage tests

.github/workflows/master.yml

@@ -4,11 +4,13 @@ run-name: ${{ github.actor }} is building action
 on:
   push:
     branches:
+      - 'actions/**'
       - 'master'
 
 jobs:
-  dependencies:
+  build:
     runs-on: ubuntu-20.04
+
     steps:
       - name: Install prerequisites
         run: |
@@ -21,6 +23,36 @@ jobs:
       - uses: actions/checkout@v3
       - name: Build project
         run: cargo build --verbose --jobs $(nproc)
-
-      - name: Run tests
-        run: cargo test --lib --bins --tests --jobs $(nproc)
+
+  coverage:
+    runs-on: ubuntu-20.04
+    needs: [build]
+
+    steps:
+      # - name: Install prerequisites
+      #   run: |
+      #     sudo apt update
+      #     sudo apt install -y build-essential curl \
+      #       cmake clang libclang-dev llvm llvm-dev \
+      #       qt5-default libopencv-dev \
+      #       python3-dev python3-numpy python3-opencv
+
+      - uses: actions/checkout@v3
+      - uses: Swatinem/rust-cache@v2
+        continue-on-error: true
+
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: llvm-tools-preview
+
+      - name: Install cargo-llvm-cov
+        uses: taiki-e/install-action@cargo-llvm-cov
+
+      - name: Generate code coverage
+        run: cargo llvm-cov --codecov --output-path coverage.json
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v2
+        with:
+          file: coverage.json
+          fail_ci_if_error: true

.github/workflows/pull-request.yml

@@ -23,6 +23,3 @@ jobs:
 
       - name: Run tests
         run: cargo test --lib --bins --tests --jobs $(nproc)
-
-#      - name: Build docs
-#        run: cargo doc --lib --verbose --jobs $(nproc)