ci: ⚙️ Build and test on CI

Enable Rust test and code coverage pipelines
Based on https://dev.to/bampeers/rust-ci-with-github-actions-1ne9
(https://github.com/BamPeers/rust-ci-github-actions-workflow)

.github/workflows/check.yml

@@ -0,0 +1,57 @@
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+env:
+  CARGO_TERM_COLOR: always
+
+name: Check and Lint
+
+jobs:
+  check:
+    name: Check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          command: check
+
+  fmt:
+    name: Rustfmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - run: rustup component add rustfmt
+      - uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check
+
+  clippy:
+    name: Clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          components: clippy
+          override: true
+      - uses: actions-rs/clippy-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --all-features
+          name: Clippy Output

.github/workflows/codecov.yml

@@ -0,0 +1,56 @@
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+name: Test with Code Coverage
+
+jobs:
+  test:
+    name: Test
+    env:
+      PROJECT_NAME_UNDERSCORE: carma
+      CARGO_INCREMENTAL: 0
+      RUSTFLAGS: -Zprofile -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests -Cpanic=abort
+      RUSTDOCFLAGS: -Cpanic=abort
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly
+          override: true
+      - name: Cache dependencies
+        uses: actions/cache@v2
+        env:
+          cache-name: cache-dependencies
+        with:
+          path: |
+            ~/.cargo/.crates.toml
+            ~/.cargo/.crates2.json
+            ~/.cargo/bin
+            ~/.cargo/registry/index
+            ~/.cargo/registry/cache
+            target
+          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('Cargo.lock') }}
+      - name: Generate test result and coverage report
+        run: |
+          cargo install cargo2junit grcov;
+          cargo test $CARGO_OPTIONS -- -Z unstable-options --format json | cargo2junit > results.xml;
+          zip -0 ccov.zip `find . \( -name "$PROJECT_NAME_UNDERSCORE*.gc*" \) -print`;
+          grcov ccov.zip -s . -t lcov --llvm --ignore-not-existing --ignore "/*" --ignore "tests/*" -o lcov.info;
+      - name: Upload test results
+        uses: EnricoMi/publish-unit-test-result-action@v1
+        with:
+          check_name: Test Results
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          files: results.xml
+      - name: Upload to CodeCov
+        uses: codecov/codecov-action@v1
+        with:
+          # required for private repositories:
+          # token: ${{ secrets.CODECOV_TOKEN }}
+          files: ./lcov.info
+          fail_ci_if_error: true