chore: track test coverage (#6)

* chore: track test coverage

* chore: add json summary reporter

* Update unit-test.yml

.github/workflows/unit-test.yml

@@ -1,4 +1,4 @@
-name: Unit Tests
+name: Unit Tests + Coverage
 
 on:
   pull_request:
@@ -7,6 +7,9 @@ on:
   push:
     branches:
       - main
+permissions:
+  contents: read
+  pull-requests: write # Required for Providing Jest Coverage Comment      
 
 jobs:
   test:
@@ -26,3 +29,11 @@ jobs:
 
       - name: Run Jest tests
         run: yarn run test
+
+      - name: Jest coverage comment
+        uses: MishaKav/[email protected]
+        with:
+          coverage-summary-path: coverage/coverage-summary.json
+          title: Jest Test Coverage
+          summary-title: Tests summary
+          badge-title: Coverage

.gitignore

@@ -1,2 +1,3 @@
 node_modules/
-*.keys
+*.keys
+coverage/

jest.config.js

@@ -3,4 +3,6 @@ module.exports = {
   preset: 'ts-jest',
   testEnvironment: 'node',
   testRegex: '__tests__/.*\\.test\\.ts$',
+  collectCoverage: true,
+  coverageReporters: ['text-summary', 'json-summary'],
 };

package.json

@@ -7,7 +7,7 @@
   "scripts": {
     "build": "npx tsc",
     "prepare": "yarn run build",
-    "test": "jest --passWithNoTests --maxWorkers=3 --silent"
+    "test": "jest --passWithNoTests --maxWorkers=3 --silent --coverage"
   },
   "repository": {
     "type": "git",