Update workflow

.github/workflows/rust.yml

@@ -1,22 +1,67 @@
-name: Rust
-
-on:
-  push:
-    branches: [ "main" ]
-  pull_request:
-    branches: [ "main" ]
+on: [push, pull_request]
 
+name: Code coverage with grcov
 env:
-  CARGO_TERM_COLOR: always
+    CARGO_TERM_COLOR: always
+
 
 jobs:
-  build:
+  grcov:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macOS-latest
 
-    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          override: true
+          profile: minimal
 
+      - name: Clean previous build artifacts
+        uses: actions-rs/cargo@v1
+        with:
+          command: clean
+
+      - name: Execute tests
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --all-features --no-fail-fast
+        env:
+          CARGO_INCREMENTAL: 0
+          RUSTFLAGS: >-
+            -Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code
+            -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests
+          RUSTDOCFLAGS: >-
+            -Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code
+            -Coverflow-checks=off -Cpanic=abort -Zpanic_abort_tests
+
+      - name: Gather coverage data
+        uses: actions-rs/[email protected]
+        with:
+          config: ./grcov.yml
+
+      - name: Coveralls upload
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          path-to-lcov: ./lcov.info
+          flag-name: run-${{ matrix.os }}
+          parallel: true
+
+  grcov_finalize:
+    needs: grcov
+    runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - name: Build
-      run: cargo build --verbose
-    - name: Run tests
-      run: cargo test --verbose
+      - name: Coveralls finalization
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          parallel-finished: true

.gitignore

@@ -1 +1,10 @@
-/target
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb

grcov.yml

@@ -0,0 +1,11 @@
+branch: true
+ignore-not-existing: true
+llvm: true
+filter: covered
+output-type: lcov
+output-path: ./lcov.info
+ignore:
+  - "/*"
+  - "tests/*"
+  - "C:/*"
+  - "../*"