Add code coverage

.github/workflows/ci.yml

@@ -0,0 +1,27 @@
+name: Unit test
+on: [pull_request]
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Read .nvmrc
+        run: echo NVMRC=$(cat .nvmrc) >> $GITHUB_OUTPUT
+        id: nvm
+      - name: Set up Node
+        uses: actions/setup-node@v3
+        with:
+          node-version: '${{ steps.nvm.outputs.NVMRC }}'
+      - name: Install dependencies
+        run: npm ci
+      - name: Run unit tests and collect coverage
+        run: npm run test
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: true
+          files: coverage-final.json
+          name: codecov-umbrella
+          verbose: true

README.md

@@ -8,6 +8,7 @@
 [![DeepScan grade](https://deepscan.io/api/teams/6759/projects/8870/branches/113510/badge/grade.svg)](https://deepscan.io/dashboard/#view=project&tid=6759&pid=8870&bid=113510)
 ![GitHub issues](https://img.shields.io/github/issues-raw/liskhq/lisk-core)
 ![GitHub closed issues](https://img.shields.io/github/issues-closed-raw/liskhq/lisk-core)
+[![Code coverage](https://codecov.io/gh/LiskHQ/lisk-core/branch/development/graph/badge.svg?token=U0CU1XQZ52)](https://codecov.io/gh/LiskHQ/lisk-core)
 
 Lisk is a next-generation crypto-currency and decentralized application platform, written entirely in JavaScript. The official documentation about the whole ecosystem can be found in https://lisk.com/docs.
 

codecov.yml

@@ -0,0 +1,17 @@
+codecov:
+  max_report_age: 30
+  notify:
+    wait_for_ci: false
+github_checks:
+  annotations: false
+coverage:
+  status:
+    project:
+      default:
+        # basic
+        target: auto
+        threshold: 0%
+        base: auto
+comment:
+  layout: 'reach, diff, flags, files'
+  behavior: default

jest.config.js

@@ -9,9 +9,9 @@ module.exports = {
 	transform: {
 		'^.+\\.(ts|tsx)$': 'ts-jest',
 	},
-	verbose: false,
-	collectCoverage: false,
-	coverageReporters: ['json'],
+	verbose: true,
+	collectCoverage: true,
+	coverageReporters: ['text', 'json'],
 	coverageDirectory: '.coverage',
 	/**
 	 * restoreMocks [boolean]

package.json

@@ -31,7 +31,7 @@
 		"prepack": "oclif-dev manifest && oclif-dev readme --multi --dir=docs/commands && npm shrinkwrap && npm prune --production && npm shrinkwrap",
 		"prebuild": "if test -d dist; then rm -r dist; fi; rm -f tsconfig.tsbuildinfo; rm -f npm-shrinkwrap.json",
 		"build": "tsc",
-		"test": "jest",
+		"test": "jest --config=jest.config.js",
 		"test:coverage": "jest --coverage=true --coverage-reporters=text",
 		"test:ci": "jest --coverage=true --coverage-reporters=json --verbose",
 		"test:stress": "npx ts-node test/scripts/stress_test.ts",

tsconfig.json

@@ -21,5 +21,5 @@
 		"rootDir": "./src",
 		"outDir": "./dist"
 	},
-	"include": ["./src/**/*.ts", "./src/**/*.json"]
+	"include": ["./src/**/*.ts", "./src/**/*.json", "jest**config.js"]
 }