Merge pull request #87 from CosmWasm/coverage

Add coverage to CI

.github/workflows/rust.yml

@@ -34,3 +34,21 @@ jobs:
         run: cargo fmt --all
       - name: cargo clippy --workspace
         run: cargo clippy --workspace --all-features -- -D warnings
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Rust Cache
+        uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: regular-${{ hashFiles('**/Cargo.lock') }}
+      - name: Install cargo-llvm-cov
+        uses: taiki-e/install-action@cargo-llvm-cov
+      - name: Generate code coverage
+        run: cargo llvm-cov --all-features --workspace --codecov --output-path lcov.info
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: lcov.info
+          fail_ci_if_error: true

.gitignore

@@ -1,2 +1,3 @@
+lcov.info
 /target
 /Cargo.lock