Add codecov step to test workflow

.github/workflows/test.yml

@@ -12,25 +12,42 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  build_stable:
-    runs-on: ubuntu-latest
-    steps:
-        - uses: actions/checkout@v3
-        - name: Install latest stable Rust
-          run: rustup install stable
-        - name: Check crate builds on stable
-          run: cargo build --features serde,numtraits,rand,arbitrary && cargo build
-  test_nightly:
-    runs-on: ubuntu-latest
-    steps:
-        - uses: actions/checkout@v3
-        - name: Install latest nightly Rust
-          run: rustup install nightly
-        - name: Set nightly as default
-          run: rustup default nightly
-        - name: Build
-          run: cargo build --all-features --verbose
-        - name: Run tests
-          run: sh scripts/run_all_tests.sh
-        - name: Run doc tests
-          run: cargo test --all-features --doc && cargo test --doc
+    codecov:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v3
+            - name: Install nightly toolchain
+              uses: actions-rs/toolchain@v1
+              with:
+                toolchain: nightly
+                override: true
+            - name: Run cargo-tarpaulin
+              uses: actions-rs/[email protected]
+              with:
+                args: "--all-features"
+    build_stable:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v3
+            - name: Install latest stable Rust
+              run: rustup install stable
+            - name: Check crate builds on stable
+              run: cargo build --features serde,numtraits,rand,arbitrary && cargo build
+            - name: Upload to codecov
+              uses: codecov/codecov-action@v1
+              with:
+                token: ${{ secrets.CODECOV_TOKEN }}
+    test_nightly:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v3
+            - name: Install latest nightly Rust
+              run: rustup install nightly
+            - name: Set nightly as default
+              run: rustup default nightly
+            - name: Build
+              run: cargo build --all-features --verbose
+            - name: Run tests
+              run: sh scripts/run_all_tests.sh
+            - name: Run doc tests
+              run: cargo test --all-features --doc && cargo test --doc