migrate to solidity-coverage - pending sc-forks/solidity-coverage#541

.circleci/config.yml

@@ -35,6 +35,18 @@ jobs:
             - v1-dependencies
       - run: yarn compile
       - run: yarn test
+  coverage:
+    docker:
+      - image: circleci/node:14.6
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+            - v1-dependencies-{{ checksum "package.json" }}
+            - v1-dependencies
+      - run: yarn coverage
+      - store_artifacts:
+          path: coverage
   benchmark:
     docker:
       - image: circleci/node:14.6
@@ -56,6 +68,10 @@ workflows:
       - test:
           requires:
             - build
+      - coverage:
+          requires:
+            - build
+            - test # only run if tests pass, redundantly runs tests
       - benchmark:
           requires:
             - build

.solcover.ts

@@ -0,0 +1,5 @@
+module.exports = {
+    skipFiles: [
+        'test', // don't report coverage for contracts in test directory
+    ],
+};

hardhat.config.ts

@@ -2,6 +2,8 @@ import { HardhatUserConfig } from 'hardhat/config';
 
 import '@nomiclabs/hardhat-waffle';
 
+import 'solidity-coverage';
+
 const config: HardhatUserConfig = {
   networks: {
     hardhat: {

package.json

@@ -12,7 +12,8 @@
     "lint:solidity": "solhint 'contracts/**/*.sol'",
     "lint:typescript": "eslint . --ext .ts",
     "test": "hardhat test --no-compile",
-    "test:watch": "nodemon --ext js,ts --watch test --watch scripts --watch cache/solidity-files-cache.json --exec 'clear && yarn test'"
+    "test:watch": "nodemon --ext js,ts --watch test --watch scripts --watch cache/solidity-files-cache.json --exec 'clear && yarn test'",
+    "coverage": "hardhat coverage"
   },
   "devDependencies": {
     "@nomiclabs/hardhat-ethers": "^2.0.0",
@@ -38,6 +39,7 @@
     "prettier-plugin-solidity": "^1.0.0-alpha.59",
     "solhint": "^3.2.0",
     "solhint-plugin-prettier": "^0.0.4",
+    "solidity-coverage": "^0.7.12",
     "ts-node": "^8.10.2",
     "typescript": "^4.0.2"
   }