Coverage experiments

.circleci/config.yml

@@ -1086,10 +1086,9 @@ jobs:
 
   coverage:
     docker:
-      - image: rust:1.78.0-alpine3.19
+      - image: rust:1.78.0-alpine
     environment:
-      # Limit the number of parallel jobs to avoid OOM crashes during doc testing
-      RUST_TEST_THREADS: 8
+      CARGO_TERM_COLOR: "always"
     resource_class: medium+
     steps:
       - checkout
@@ -1098,47 +1097,36 @@ jobs:
           command: |
             apk update
             apk add mold clang curl coreutils gnupg
+      #- restore_cache:
+      #    keys:
+      #      - cargocache-v2-coverage-rust:1.78-{{ checksum "Cargo.lock" }}
+      - run:
+          name: Install cargo-llvm-cov
+          command: |
+            cargo install cargo-llvm-cov --locked
       - run:
-          name: Install grcov
+          name: Install cargo-nextest
           command: |
-            rustup component add llvm-tools-preview
-            cargo install grcov --locked
+            cargo install cargo-nextest --locked
       - run:
           name: Run tests with coverage
           command: |
-            mkdir -p reports
-            cargo test --all-features
-
-            grcov . -s packages/core --binary-path ./target/debug -t lcov -o ./reports/core.info
-            grcov . -s packages/crypto --binary-path ./target/debug -t lcov -o ./reports/crypto.info
-            grcov . -s packages/derive --binary-path ./target/debug -t lcov -o ./reports/derive.info
-            grcov . -s packages/schema --binary-path ./target/debug -t lcov -o ./reports/schema.info
-            grcov . -s packages/std --binary-path ./target/debug -t lcov -o ./reports/std.info
-            grcov . -s packages/vm --binary-path ./target/debug -t lcov -o ./reports/vm.info
+            cargo llvm-cov nextest --features staking,iterator,stargate,dhat-heap,cosmwasm_2_2 --workspace --lcov --output-path lcov.info
           environment:
-            RUSTFLAGS: "-Clinker=clang -Clink-arg=-fuse-ld=/usr/bin/mold -Cinstrument-coverage"
-            LLVM_PROFILE_FILE: "cosmwasm-%p-%m.profraw"
+            RUSTFLAGS: "-Clinker=clang -Clink-arg=-fuse-ld=/usr/bin/mold"
       - run:
           name: Quick fix for GPG error in Codecov
           command: mkdir -p ~/.gnupg
-      - codecov/upload:
-          file: reports/core.info
-          flags: cosmwasm-core
-      - codecov/upload:
-          file: reports/crypto.info
-          flags: cosmwasm-crypto
-      - codecov/upload:
-          file: reports/derive.info
-          flags: cosmwasm-derive
-      - codecov/upload:
-          file: reports/schema.info
-          flags: cosmwasm-schema
-      - codecov/upload:
-          file: reports/std.info
-          flags: cosmwasm-std
-      - codecov/upload:
-          file: reports/vm.info
-          flags: cosmwasm-vm
+      - codecov/upload
+      - save_cache:
+          paths:
+            - /usr/local/cargo/registry
+            - ~/.cargo/bin/
+            - ~/.cargo/registry/index/
+            - ~/.cargo/registry/cache/
+            - ~/.cargo/git/db/
+            - target/
+          key: cargocache-v2-coverage-rust:1.78-{{ checksum "Cargo.lock" }}
 
   # This job roughly follows the instructions from https://circleci.com/blog/publishing-to-github-releases-via-circleci/
   build_and_upload_devcontracts: