ci: update workflow

.github/workflows/ci.yml

@@ -1,42 +1,100 @@
+on:
+  push:
+  pull_request:
+  merge_group:
+
 name: CI
 
-permissions:
-  contents: read
+jobs:
 
-on: [pull_request, push]
+  coverage:
+    name: Test Suite
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: stable
+      - name: Install cargo-llvm-cov
+        uses: taiki-e/install-action@cargo-llvm-cov
+      - name: Generate code coverage
+        run: |
+          cd auctioning_platform
+          cargo llvm-cov --all-features --workspace --codecov --output-path codecov.json
+      - name: Upload coverage artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-ubuntu
+          path: codecov.json
 
-jobs:
-  build:
-    name: ${{ matrix.task.name }} (${{ matrix.os }})
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest]
-        rust: [stable]
-        task:
-          - name: Check format
-            run: cargo fmt -- --check
-            allow_failure: false
-          - name: Clippy
-            run: cargo clippy
-            allow_failure: true
-          - name: Test
-            run: cargo test --all
-            allow_failure: false
+  upload-coverage:
+    name: Upload test coverage to CodeCov
+    needs: [coverage]
+    runs-on: ubuntu-latest
+    permissions:
+      statuses: write
     steps:
-      - uses: actions/checkout@v2
+      #----------------------------------------------
+      #       check-out repo and set-up python
+      #----------------------------------------------
+      - name: Check out repository
+        uses: actions/checkout@v4
 
-      - name: Install Rust ${{ matrix.rust }}
-        uses: actions-rs/toolchain@v1
+      - name: download coverage files
+        uses: actions/download-artifact@v4
         with:
-          toolchain: ${{ matrix.rust }}
-          profile: minimal
-          override: true
-          components: rustfmt, clippy
+          pattern: coverage-*
 
-      - name: ${{ matrix.task.name }}
-        run:|
+      - name: display files
+        run: |
+          ls -aR
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          # directory: ./coverage
+          # env_vars: OS,PYTHON
+          fail_ci_if_error: false
+          files: ./coverage-ubuntu/codecov.json
+          # flags: unittests
+          # name: codecov-umbrella
+          verbose: true
+  fmt:
+    name: Rustfmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: stable
+          components: rustfmt
+      - run: |
+          cd auctioning_platform
+          cargo fmt --check --all
+
+  lint:
+    name: Clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: stable
+          components: clippy
+      - run: |
           cd auctioning_platform
-          ${{ matrix.task.run }}
-        continue-on-error: ${{ matrix.task.allow_failure }}
+          cargo clippy -- -D warnings
+      
+  # https://github.com/marketplace/actions/alls-green#why used for branch protection checks
+  check:
+    if: always()
+    needs: [lint, coverage, fmt]
+    runs-on: ubuntu-latest
+    permissions: {}
+    steps:
+      - name: Decide whether the needed jobs succeeded or failed
+        uses: re-actors/alls-green@release/v1
+        with:
+          jobs: ${{ toJSON(needs) }}
+          allowed-failures: lint