Add test and coverage steps to Rust CI pipeline

.github/workflows/rust-ci.yml

@@ -37,4 +37,45 @@ jobs:
       - name: cargo check (all targets)
         run: cargo check --all-targets --all-features
 
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Cache cargo builds
+        uses: Swatinem/rust-cache@v2
+
+      - name: Run tests
+        run: cargo test --all-features --workspace
+
+  coverage:
+    name: Code Coverage
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Cache cargo builds
+        uses: Swatinem/rust-cache@v2
+
+      - name: Install cargo-tarpaulin
+        run: cargo install cargo-tarpaulin
+
+      - name: Generate coverage report
+        run: cargo tarpaulin --all-features --workspace --out xml --output-dir ./coverage
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          files: ./coverage/cobertura.xml
+          fail_ci_if_error: false
+